今日 NBA-APP项目
整体项目效果
项目分析
想做一个类似腾讯体育那样的APP，有首页，有赛程，有社区，有我的，但是内容就只限NBA
首页，赛程，社区，我的，这4个部分，就可以使用4个Fragment来实现
关于首页
首页就显示新闻，可以浏览新闻，然后有下面几点
- 新闻的数据通过别人提供的接口来获取
- 使用ListView来实现新闻列表
关于赛程
赛程就显示NBA赛程，由于没有相关接口，此处没法实现
关于社区
这里就简单使用视频来实现，进入社区页面，显示视频列表，可以观看视频
- 使用视频播放框架（JiaoZiVideoPlayer）实现该功能
- 使用ListView实现视频列表
- 视频数据需要通过别人提供的接口来获取
关于我的
进入该页面后显示30支NBA球队，还有登录页面，这两个子页面，通过左右滑动进行切换
- 使用ViewPager实现两个子页面进行滑动切换
- 使用GridView对30支球队实现网格布局
- 登录页面就用普通控件实现
项目的实现
准备工作
静态资源，就各种图片
分析接口返回的json数据
引入相关依赖
implementation 'cn.jzvd:jiaozivideoplayer:7.5.0'
implementation 'com.google.code.gson:gson:2.6'
implementation 'com.squareup.picasso:picasso:2.5.2'- 开启允许网络请求
<uses-permission android:name="android.permission.INTERNET" />AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.bin23.nbatoday">
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="@mipmap/app_icon_new"
android:label="@string/app_name"
android:roundIcon="@mipmap/app_icon_new"
android:supportsRtl="true"
android:theme="@style/AppTheme">
...
</application>
</manifest>开始敲代码
基本布局
顶部 top_layout.xml
- 线性布局，引入我们的顶部背景图
- 直接使用一个TextView显示整个APP的名字，今日NBA
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="50dp"
android:background="@mipmap/title_bar"
android:orientation="vertical"
android:gravity="center"
>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="今日 NBA"
android:textColor="#ffffff"
android:textSize="30sp"
android:textStyle="bold"
/>
</LinearLayout>底部 bottom_layout.xml
- 线性布局，引入我们的底部背景图，设置为水平的方向上的线性布局
- 因为底部有4个图标可以点击，也就是首页，赛程，社区，我的，所以这里使用4个线性布局
- 这4个线性布局基本一样，里面就一个ImageButton和一个TextView
- ImageButton用来显示图标
- TextView用来显示图标下面的文字（即首页，赛程，社区，我的）
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="85dp"
android:background="@mipmap/bottom_bar"
>
<LinearLayout
android:id="@+id/id_tab_home"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<ImageButton
android:id="@+id/id_tab_home_img"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#00000000"
android:clickable="false"
android:src="@drawable/tab_home_pressed"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="首页"
android:textColor="#000" />
</LinearLayout>
<LinearLayout
android:id="@+id/id_tab_game"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<ImageButton
android:id="@+id/id_tab_game_img"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#00000000"
android:clickable="false"
android:src="@drawable/tab_game_normal" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="赛程"
android:textColor="#000" />
</LinearLayout>
<LinearLayout
android:id="@+id/id_tab_community"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<ImageButton
android:id="@+id/id_tab_community_img"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#00000000"
android:clickable="false"
android:src="@drawable/tab_community_normal" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="社区"
android:textColor="#000" />
</LinearLayout>
<LinearLayout
android:id="@+id/id_tab_myzone"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<ImageButton
android:id="@+id/id_tab_myzone_img"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#00000000"
android:clickable="false"
android:src="@drawable/tab_myzone_normal" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="我的"
android:textColor="#000" />
</LinearLayout>
</LinearLayout>然后 activity_main.xml
- 使用include标签把上面写的顶部布局和底部布局包含进来
- 中间使用FrameLayout，为碎片进行替换而做准备，其id为id_container
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity"
>
<include layout="@layout/top_layout"/>
<FrameLayout
android:id="@+id/id_container"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
>
</FrameLayout>
<include layout="@layout/bottom_layout"/>
</LinearLayout>目前效果
写4个Fragment的相关布局
直接新建4个布局，我把这4个布局命名为tab_xxx_content.xml，方便我们找到它们
现在，一开始这4个碎片直接最简单的代码，就布局里直接写TextView来显示下当前是哪个页面就OK的
但是在这里，我就完整地写出来
tab_home_content.xml
首页，相对布局，当然，这里你不适用相对布局也可以，无所谓，然后放一个ListView，作为显示新闻的列表
该ListView的id为home_news_infolist_lv
android:divider=”@color/dividerColor” 自己在value下面的colors.xml里定义下分割线颜色，然后这里进行引用
colors.xml
<?xml version="1.0" encoding="utf-8"?> <resources> <color name="colorPrimary">#6200EE</color> <color name="colorPrimaryDark">#3700B3</color> <color name="colorAccent">#03DAC5</color> <color name="dividerColor">#C5C5C5</color> </resources>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="20dp"
>
<ListView
android:id="@+id/home_news_infolist_lv"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:divider="@color/dividerColor"
android:dividerHeight="1dp">
</ListView>
</RelativeLayout>写好这个ListView后，还要写一个新闻列表的item布局
那就新建一个布局文件tab_home_content_infolist_lv.xml
tab_home_content_infolist_lv.xml
- 使用相对布局，高度wrap_content，方向水平，搞点内边距padding
- 第一个ImageView作为新闻的封面图片
- 三个TextView分别作为新闻标题，作者以及发布的时间
- 最后一个ImageView设置一个小箭头，单纯为了好看
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="20dp"
>
<ImageView
android:id="@+id/h_iv_img"
android:layout_width="134dp"
android:layout_height="86dp"
android:layout_marginEnd="10dp"
android:layout_marginRight="10dp"
android:scaleType="fitXY"
android:src="@drawable/news0" />
<TextView
android:id="@+id/h_tv_news_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="3dp"
android:layout_toRightOf="@+id/h_iv_img"
android:maxLines="2"
android:text="新闻标题"
android:textColor="#000"
android:textSize="18sp"
android:textStyle="bold"
android:layout_marginLeft="12dp"
/>
<TextView
android:id="@+id/h_tv_author"
android:layout_width="match_parent"
android:layout_height="15dp"
android:layout_toRightOf="@+id/h_iv_img"
android:maxLines="2"
android:text="作者"
android:layout_above="@+id/h_tv_time"
android:layout_marginLeft="12dp"
android:textColor="#666"
android:textSize="10sp"
/>
<TextView
android:id="@+id/h_tv_time"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/h_iv_img"
android:layout_toRightOf="@+id/h_iv_img"
android:text="2020-11-30"
android:textSize="12dp"
android:layout_alignLeft="@+id/h_tv_author"
/>
<ImageView
android:id="@+id/item_info_tv_next"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@mipmap/expand"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
/>
</RelativeLayout>
这样，新闻列表的item布局也OK了
tab_game_content.xml
没法实现，就最简单的了，直接像上面说的，使用TextView显示
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:text="这是赛程"
android:textSize="30sp"
android:gravity="center"
android:textStyle="bold"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>tab_community_content.xml
- 社区，这里就显示视频列表，直接使用ListView，和首页基本一样
- 该ListView的id为community_lv
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:id="@+id/community_lv"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
</ListView>
</LinearLayout>然后开始写ListView里面的视频item布局
这里就使用饺子视频播放框架
引入依赖
新建布局文件tab_community_content_item_lv.xml作为视频item布局
tab_community_content_item_lv.xml
- 直接使用JzvdStd标签，就出现视频播放器，包含标题，视频缩略图
- 写一些显示视频相关信息的东西，比如作者，收藏量，播放量，都用TextView来写
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="wrap_content">
<cn.jzvd.JzvdStd
android:id="@+id/item_community_jzvd"
android:layout_width="match_parent"
android:layout_height="220dp"
>
</cn.jzvd.JzvdStd>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="10dp"
>
<TextView
android:id="@+id/item_community_tv_name"
android:layout_width="210dp"
android:layout_height="34dp"
android:layout_marginLeft="7dp"
android:padding="8dp"
android:text="Anyone"
android:textSize="12dp"
android:textStyle="bold" />
<TextView
android:id="@+id/item_community_tv_favorite"
android:layout_width="70dp"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:drawableLeft="@mipmap/icon_favorite"
android:text="1234"
android:textSize="12dp"
android:layout_centerVertical="true"
/>
<TextView
android:id="@+id/item_community_tv_play"
android:layout_width="70dp"
android:layout_height="wrap_content"
android:drawableLeft="@mipmap/icon_play"
android:layout_toLeftOf="@+id/item_community_tv_favorite"
android:drawablePadding="5dp"
android:layout_marginRight="10dp"
android:text="12345"
android:textSize="12dp"
android:layout_centerVertical="true"
/>
</RelativeLayout>
</LinearLayout>
这样视频列表的item布局也就OK了
tab_myzone_content.xml
- 就使用ViewPager，实现两个页面的滑动切换，其id为myzone_pg
- PagerTitleStrip是标题滑动的其中一种
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.viewpager.widget.ViewPager
android:id="@+id/myzone_pg"
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.viewpager.widget.PagerTitleStrip
android:id="@+id/pagertitle"
android:layout_width="wrap_content"
android:layout_height="40dp"
android:layout_gravity="top"
android:textColor="#000000"
android:paddingBottom="10dp"
android:paddingHorizontal="15dp"
/>
</androidx.viewpager.widget.ViewPager>
</LinearLayout >然后那两个能通过ViewPager而进行滑动切换的页面布局如下
zone_view_1.xml
- 网格布局，通过这个GridView实现，其id为zone_grid_list_gv，类似ListView
- android:numColumns=”4” 设置布局成为4列的网格
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center">
<GridView
android:id="@+id/zone_grid_list_gv"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:numColumns="4"
>
</GridView>
</LinearLayout>然后还要写GridView里面的item的布局
zone_view_gridlist_item.xml
这里我使用相对布局
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
android:id="@+id/zone_list_item_iv"
android:layout_width="match_parent"
android:layout_height="140dp"
android:src="@mipmap/lalakers"
android:scaleType="centerCrop"
/>
<TextView
android:id="@+id/zone_list_item_name_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="湖人"
android:layout_below="@+id/zone_list_item_iv"
android:textSize="25dp"
android:textStyle="bold"
android:layout_centerHorizontal="true"
/>
<TextView
android:id="@+id/zone_list_item_des_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="8620000粉丝"
android:layout_below="@+id/zone_list_item_name_tv"
android:textSize="15dp"
android:layout_centerHorizontal="true"
/>
</RelativeLayout>
这样，也OK了
zone_view_2.xml
登录页面，没什么好说的，也是常用控件直接写
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center">
<ImageView
android:id="@+id/loginbutton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="120dp"
android:src="@drawable/user_icon"/>
<RelativeLayout
android:id="@+id/input"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/loginbutton"
android:layout_marginLeft="28dp"
android:layout_marginRight="28dp"
android:background="#fff"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="108dp"
android:background="#fff"
android:gravity="center_vertical"
android:orientation="horizontal" >
<ImageView
android:id="@+id/login_user_icon_iv"
android:layout_width="44dp"
android:layout_height="44dp"
android:src="@drawable/user_icon"
android:scaleType="fitXY"
/>
<EditText
android:id="@+id/username_et"
android:layout_width="match_parent"
android:layout_height="44dp"
android:layout_weight="1"
android:background="@null"
android:imeOptions="actionDone"
android:textSize="16sp"
android:ems="10"
android:hint="请输入用户名"
android:layout_toRightOf="@+id/login_user_icon_iv"
android:layout_marginLeft="20dp"
>
</EditText>
<ImageView
android:id="@+id/login_pass_icon_iv"
android:layout_width="44dp"
android:layout_height="44dp"
android:src="@drawable/password_icon"
android:scaleType="fitXY"
android:layout_below="@+id/login_user_icon_iv"
android:layout_marginTop="20dp"
/>
<EditText
android:id="@+id/pass"
android:layout_width="match_parent"
android:layout_height="44.0dip"
android:background="#00ffffff"
android:gravity="center_vertical"
android:layout_below="@+id/username_et"
android:layout_toRightOf="@+id/login_pass_icon_iv"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"
android:inputType="textPassword"
android:maxLength="16"
android:maxLines="1"
android:textColor="#ff1d1d1d"
android:textColorHint="#ff666666"
android:textSize="16.0sp"
android:hint="请输入密码"
/>
</RelativeLayout>
</RelativeLayout>
<Button
android:id="@+id/loginBtn"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/input"
android:layout_marginTop="10dp"
android:background="#3aadfd"
android:text="登 录"
android:textColor="#ffffff"
android:textSize="18dp"
android:layout_centerHorizontal="true"
android:layout_marginLeft="28dp"
android:layout_marginRight="28dp"
/>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="28dp"
android:layout_marginRight="28dp"
android:layout_below="@+id/loginBtn"
>
<TextView
android:id="@+id/login_to_register_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="注册"
android:textStyle="bold"
android:textSize="16dp"
android:layout_marginTop="20dp"
/>
<TextView
android:id="@+id/login_forget_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="忘记密码"
android:textStyle="bold"
android:textSize="16dp"
android:layout_alignParentRight="true"
android:layout_marginTop="20dp"
/>
</RelativeLayout>
<TextView
android:text=""
android:layout_width="wrap_content"
android:layout_below="@+id/loginBtn"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:id="@+id/promptText"
android:textColor="#ff0000"
android:layout_marginTop="10dp"
android:textSize="18sp"/>
</RelativeLayout>MainActivity 实现碎片之间的切换
- 找到4个布局，4个ImageButton，4个Fragment，作为 MainActivity 的属性
private LinearLayout tabHome; private LinearLayout tabGame; private LinearLayout tabCommunity; private LinearLayout tabMyZone; private ImageButton ibHome; private ImageButton ibGame; private ImageButton ibCommunity; private ImageButton ibMyZone; private Fragment homeFragment; private Fragment gameFragment; private Fragment communityFragment; private Fragment myZoneFragment;
- 实现View.OnClickListener类
implements View.OnClickListener
- 找到LinearLayou还有ImageButton以及布局点击事件，进行初始化
private void initView() { tabHome = findViewById(R.id.id_tab_home); tabGame = findViewById(R.id.id_tab_game); tabCommunity = findViewById(R.id.id_tab_community); tabMyZone = findViewById(R.id.id_tab_myzone); ibHome = findViewById(R.id.id_tab_home_img); ibGame = findViewById(R.id.id_tab_game_img); ibCommunity = findViewById(R.id.id_tab_community_img); ibMyZone = findViewById(R.id.id_tab_myzone_img); } private void initEvent() { tabHome.setOnClickListener(this); tabGame.setOnClickListener(this); tabCommunity.setOnClickListener(this); tabMyZone.setOnClickListener(this); }
- 动态添加Fragment
动态添加Fragment主要分为4步
- 获取到FragmentManager，在V4包中通过getSupportFragmentManager，在系统中原生的Fragment是通过getFragmentManager获得的。
- 开启一个事务，通过调用beginTransaction方法开启。
- 向容器内加入Fragment，一般使用add或者replace方法实现，需要传入容器的id和Fragment的实例。
- 提交事务，调用commit方法提交。
这里写了一个setSelect()方法，该方法完成动态添加Fragment
- 最后重写OnClick()方法
先设置点击前的图片，然后根据点击执行setSelect()方法，最后设置点击后的图片
以上，MainActivity基本完成，代码如下
MainActivity
package com.bin23.nbatoday;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import com.bin23.nbatoday.fragment.CommunityFragment;
import com.bin23.nbatoday.fragment.GameFragment;
//import com.bin23.nbatoday.fragment.HomeFragment;
import com.bin23.nbatoday.fragment.HomeNewsFragment;
import com.bin23.nbatoday.fragment.MyZoneFragment;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity implements View.OnClickListener{
private LinearLayout tabHome;
private LinearLayout tabGame;
private LinearLayout tabCommunity;
private LinearLayout tabMyZone;
private ImageButton ibHome;
private ImageButton ibGame;
private ImageButton ibCommunity;
private ImageButton ibMyZone;
private Fragment homeFragment;
private Fragment gameFragment;
private Fragment communityFragment;
private Fragment myZoneFragment;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();//初始化控件
initEvent();//初始化事件
setSelect(0);//对事物方法调用显示第一个界面
}
private void initView() {
tabHome = findViewById(R.id.id_tab_home);
tabGame = findViewById(R.id.id_tab_game);
tabCommunity = findViewById(R.id.id_tab_community);
tabMyZone = findViewById(R.id.id_tab_myzone);
ibHome = findViewById(R.id.id_tab_home_img);
ibGame = findViewById(R.id.id_tab_game_img);
ibCommunity = findViewById(R.id.id_tab_community_img);
ibMyZone = findViewById(R.id.id_tab_myzone_img);
}
private void initEvent() {
tabHome.setOnClickListener(this);
tabGame.setOnClickListener(this);
tabCommunity.setOnClickListener(this);
tabMyZone.setOnClickListener(this);
}
/**
* 选择碎片的方法
* @param i
*/
private void setSelect(int i) {
// FragmentManager fm = getFragmentManager(); //先拿到管理器
FragmentManager fm = getSupportFragmentManager(); //使用V4包下的Fragment的事务管理器
FragmentTransaction transaction = fm.beginTransaction(); //开启一个事务transaction
//一开始隐藏所有Fragment
hideFragment(transaction); //自定义一个函数先对所有事务进行隐藏
//将图片切换为亮色
//切换界面
switch (i) { //切换图片为亮色
case 0: {
if (homeFragment == null) {
//为空则初始化他
homeFragment = new HomeNewsFragment();
transaction.add(R.id.id_container, homeFragment); //初始化Fragment
} else {
//否则对其进行显示
transaction.show(homeFragment);
}
ibHome.setImageResource(R.drawable.tab_home_normal); //切换图片
break;
}
case 1: {
if (gameFragment == null) {
//为空则初始化他
gameFragment = new GameFragment();
transaction.add(R.id.id_container, gameFragment); //初始化Fragment
} else {
//否则对其进行显示
transaction.show(gameFragment);
}
ibGame.setImageResource(R.drawable.tab_game_normal);
break;
}
case 2: {
if (communityFragment == null) {
//为空则初始化他
communityFragment = new CommunityFragment();
transaction.add(R.id.id_container, communityFragment); //初始化Fragment
} else {
//否则对其进行显示
transaction.show(communityFragment);
}
ibCommunity.setImageResource(R.drawable.tab_community_normal);
break;
}
case 3: {
if (myZoneFragment == null) {
//为空则初始化他
myZoneFragment = new MyZoneFragment();
transaction.add(R.id.id_container, myZoneFragment); //初始化Fragment
} else {
//否则对其进行显示
transaction.show(myZoneFragment);
}
ibMyZone.setImageResource(R.drawable.tab_myzone_normal);
break;
}
}//switch
transaction.commit();//提交事务
}//setSelect()
//隐藏事务方法
private void hideFragment(FragmentTransaction transaction) { //对不为空的Fragment隐藏
if (homeFragment != null) {
transaction.hide(homeFragment);
}
if (gameFragment != null) {
transaction.hide(gameFragment);
}
if (communityFragment != null) {
transaction.hide(communityFragment);
}
if (myZoneFragment != null) {
transaction.hide(myZoneFragment);
}
}
//图片设置为暗色
private void resetImg() {
ibHome.setImageResource(R.drawable.tab_home_normal);
ibGame.setImageResource(R.drawable.tab_game_normal);
ibCommunity.setImageResource(R.drawable.tab_community_normal);
ibMyZone.setImageResource(R.drawable.tab_myzone_normal);
}
@Override
public void onClick(View view) {
resetImg();//设置暗色
switch (view.getId()) {
case R.id.id_tab_home: {
setSelect(0);
ibHome.setImageResource(R.drawable.tab_home_pressed); //将点击的图标设置为亮色
break;
}
case R.id.id_tab_game: {
setSelect(1);
ibGame.setImageResource(R.drawable.tab_game_pressed);
break;
}
case R.id.id_tab_community: {
setSelect(2);
ibCommunity.setImageResource(R.drawable.tab_community_pressed);
break;
}
case R.id.id_tab_myzone: {
setSelect(3);
ibMyZone.setImageResource(R.drawable.tab_myzone_pressed);
break;
}
}
}
}写Fragment
先写好这4个Fragment，基本一模一样，就加载的布局不同而已，这里就以HomeNewsFragment为例，代码如下，剩下的就不贴出来了
HomeNewsFragment
package com.bin23.nbatoday.fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import com.bin23.nbatoday.R;
public class HomeNewsFragment extends Fragment {
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
return inflater.inflate(R.layout.tab_home_content, container, false);
}
}
写好4个Fragment，现在来完善它们
HomeNewsFragment
首先就HomeNewsFragment
1. 找到布局中的控件，直接作为该Fragment的属性，
private ListView homeNewsLv;
2. 声明接口的地址，同时生成相关实体类
调用的接口：http://v.juhe.cn/toutiao/index?type=tiyu&key=e357dbe7418a4c1768a0c6fed0633f12
private String url = "http://v.juhe.cn/toutiao/index?type=tiyu&key=e357dbe7418a4c1768a0c6fed0633f12";
该接口返回的json如下（由于json太长，省略掉了一些不必要的）
{
"reason": "成功的返回",
"result": {
"stat": "1",
"data": [
{
"uniquekey": "f81342580eae30c277c2d563ac1f88b8",
"title": "西班牙人必须感谢武磊：球队本赛季预期盈利高达7200万！",
"date": "2020-12-08 14:52",
"category": "体育",
"author_name": "中超球评",
"url": "https://mini.eastday.com/mobile/201208145223715.html",
"thumbnail_pic_s": "https://00imgmini.eastday.com/mobile/20201208/2020120814_a4c635cc5b664b9790269b36705ee7bf_7938_mwpm_03200403.jpg",
"thumbnail_pic_s02": "http://00imgmini.eastday.com/mobile/20201208/2020120814_c744565a8c634fdc9e4277bd1a7ac0b4_0549_mwpm_03200403.jpg",
"thumbnail_pic_s03": "http://00imgmini.eastday.com/mobile/20201208/2020120814_8c3dd7dac5c24306a5b09f35450455f2_1594_mwpm_03200403.jpg"
},
{
"uniquekey": "3a08b197f483910c1566e4333eaad102",
"title": "科林斯：我研究了大量比赛录像，想要在防守端更具存在感",
"date": "2020-12-08 14:52",
"category": "体育",
"author_name": "虎扑体育",
"url": "https://mini.eastday.com/mobile/201208145223032.html",
"thumbnail_pic_s": "https://08imgmini.eastday.com/mobile/20201208/20201208145223_c6d5d4ff006cc9b29693bc0daf3581c1_1_mwpm_03200403.jpg"
},
............................
]
},
"error_code": 0
}新建一个NewsEntity类，直接通过Gson Format这个插件，直接转生成我们所需要的实体类
NewsEntity
package com.bin23.nbatoday.entity;
import java.util.List;
public class NewsEntity {
private String reason;
private ResultBean result;
private int error_code;
public String getReason() {
return reason;
}
public void setReason(String reason) {
this.reason = reason;
}
public ResultBean getResult() {
return result;
}
public void setResult(ResultBean result) {
this.result = result;
}
public int getError_code() {
return error_code;
}
public void setError_code(int error_code) {
this.error_code = error_code;
}
public static class ResultBean {
private String stat;
private List<DataBean> data;
public String getStat() {
return stat;
}
public void setStat(String stat) {
this.stat = stat;
}
public List<DataBean> getData() {
return data;
}
public void setData(List<DataBean> data) {
this.data = data;
}
public static class DataBean {
private String uniquekey;
private String title;
private String date;
private String category;
private String author_name;
private String url;
private String thumbnail_pic_s;
private String thumbnail_pic_s02;
private String thumbnail_pic_s03;
public String getUniquekey() {
return uniquekey;
}
public void setUniquekey(String uniquekey) {
this.uniquekey = uniquekey;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getDate() {
return date;
}
public void setDate(String date) {
this.date = date;
}
public String getCategory() {
return category;
}
public void setCategory(String category) {
this.category = category;
}
public String getAuthor_name() {
return author_name;
}
public void setAuthor_name(String author_name) {
this.author_name = author_name;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getThumbnail_pic_s() {
return thumbnail_pic_s;
}
public void setThumbnail_pic_s(String thumbnail_pic_s) {
this.thumbnail_pic_s = thumbnail_pic_s;
}
public String getThumbnail_pic_s02() {
return thumbnail_pic_s02;
}
public void setThumbnail_pic_s02(String thumbnail_pic_s02) {
this.thumbnail_pic_s02 = thumbnail_pic_s02;
}
public String getThumbnail_pic_s03() {
return thumbnail_pic_s03;
}
public void setThumbnail_pic_s03(String thumbnail_pic_s03) {
this.thumbnail_pic_s03 = thumbnail_pic_s03;
}
}
}
}
通过分析json可知，我们需要的就是ResultBean里面的DataBen
3. 所以，这个DataBean就是我们需要的数据源，把它也作为Fragment的属性
private List<NewsEntity.ResultBean.DataBean> mDatas;
4. 有了数据源，我们还需要创建适配器，以及为数据源设置适配器
下面就是适配器的代码，这里对以下代码进行解释
Context作为适配器的属性，代表当前碎片所在的Activity
数据源也作为适配器的属性，方便我们写入数据到View中
getBitmap(holder, picURL)操作是为了获取json中的图片，因为json中的图片是一个地址，不能直接设置给ImageView，所以需要进行解析，解析成Bitmap。getBitmap(holder, picURL)中创建一个新线程，解析了图片，通过Handler消息机制返回主线程，之所以需要创建新线程进行解析，是因为Android不推荐直接在主线程中使用网络请求
写个工具类，写个方法，解析图片地址转为bitmap的形式
public class HTTPUtil { /** * 获取网落图片资源 * @param path * @return */ public static Bitmap getHttpBitmap(String path){ URL myFileURL; Bitmap bitmap = null; try{ myFileURL = new URL(path); //获得连接 HttpURLConnection conn = (HttpURLConnection) myFileURL.openConnection(); // //设置超时时间为6000毫秒，conn.setConnectionTiem(0);表示没有时间限制 // conn.setConnectTimeout(6000); // //连接设置获得数据流 // conn.setDoInput(true); // //不使用缓存 // conn.setUseCaches(false); //这句可有可无，没有影响 conn.connect(); //得到数据流 InputStream is = conn.getInputStream(); //解析得到图片 if (is == null){ throw new RuntimeException("stream is null"); }else{ try { ByteArrayOutputStream baos = new ByteArrayOutputStream(); byte[] buf = new byte[1024]; int hasReadLen = 0; while ((hasReadLen = is.read(buf)) != -1) { baos.write(buf, 0, hasReadLen); } byte[] data = baos.toByteArray(); bitmap = BitmapFactory.decodeByteArray(data, 0, data.length); } catch (Exception e) { e.printStackTrace(); } is.close(); } }catch(Exception e){ e.printStackTrace(); } return bitmap; } }
NewsAdapter
package com.bin23.nbatoday.adapter;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Bitmap;
import android.os.Handler;
import android.os.Message;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.annotation.NonNull;
import com.bin23.nbatoday.R;
import com.bin23.nbatoday.entity.NewsEntity;
import com.bin23.nbatoday.utils.HTTPUtil;
import java.util.ArrayList;
import java.util.List;
public class NewsAdapter extends BaseAdapter {
private Context context;
private List<NewsEntity.ResultBean.DataBean> mDatas;
public NewsAdapter(Context context, List<NewsEntity.ResultBean.DataBean> mDatas) {
this.context = context;
this.mDatas = mDatas;
}
@Override
public int getCount() {
return mDatas.size();
}
@Override
public Object getItem(int position) {
return mDatas.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
if (convertView == null) {
convertView = LayoutInflater.from(context).inflate(R.layout.tab_home_content_infolist_lv, parent, false);
holder = new ViewHolder(convertView);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
// 获取指定位置的数据
NewsEntity.ResultBean.DataBean dataBean = mDatas.get(position);
String picURL = dataBean.getThumbnail_pic_s();
String title = dataBean.getTitle();
String author_name = dataBean.getAuthor_name();
String date = dataBean.getDate();
// 解析图片地址，获取图片
getBitmap(holder, picURL);
// holder.newsIv.setImageBitmap(bitmap);
holder.newsTitleTv.setText(title);
holder.authorTv.setText(author_name);
holder.timeTv.setText(date);
return convertView;
}
@SuppressLint("HandlerLeak")
Handler handler = new Handler(){
@Override
public void handleMessage(@NonNull Message msg) {
if (msg.what == 3) {
List list = (List) msg.obj;
Bitmap bitmap = (Bitmap) list.get(0);
ViewHolder holder = (ViewHolder) list.get(1);
holder.newsIv.setImageBitmap(bitmap);
}
}
};
private void getBitmap(ViewHolder viewHolder, String picURL) {
new Thread(new Runnable() {
@Override
public void run() {
Bitmap httpBitmap = HTTPUtil.getHttpBitmap(picURL);
List list = new ArrayList();
list.add(httpBitmap);
list.add(viewHolder);
Message message = new Message();
message.what = 3;
message.obj = list;
handler.sendMessage(message);
}
}).start();
}
static class ViewHolder {
private ImageView newsIv;
private TextView authorTv;
private TextView newsTitleTv;
private TextView timeTv;
public ViewHolder (View view){
newsIv = view.findViewById(R.id.h_iv_img);
newsTitleTv = view.findViewById(R.id.h_tv_news_title);
authorTv = view.findViewById(R.id.h_tv_author);
timeTv = view.findViewById(R.id.h_tv_time);
}
}
}
5. 有了适配器，我们值需设置适配器就OK了
HomeNewsFragment的onCreateView()方法里面
homeNewsLv = view.findViewById(R.id.home_news_infolist_lv); // 数据源 mDatas = new ArrayList<>(); // 创建适配器 adapter = new NewsAdapter(view.getContext(), mDatas); // 设置适配器 homeNewsLv.setAdapter(adapter);此时，mDatas还是空的，就需要通过网络请求接口，获取数据，存入mDatas
6. 进行网络请求，获取数据
写个工具类，进行请求，解析json，即获取json内容
public class HTTPUtil { public static String getJsonConetent(String path){ ByteArrayOutputStream baos = new ByteArrayOutputStream(); try { URL url = new URL(path); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.connect(); InputStream is = conn.getInputStream(); byte[] buf = new byte[1024]; int hasReadLen = 0; while ((hasReadLen = is.read(buf)) != -1) { baos.write(buf, 0, hasReadLen); } } catch (Exception e) { e.printStackTrace(); } return baos.toString(); } }获取数据
private void loadData() { // 创建新的线程，完成数据的获取 new Thread(new Runnable() { @Override public void run() { String jsonConetent = HTTPUtil.getJsonConetent(url); // 子线程不能更新UI，需要通过handler发送数据回到主线程--消息通知机制 Message message = new Message(); // 发送的消息对象 message.what = 2; // 设置消息编号 message.obj = jsonConetent; handler.sendMessage(message); // 子线程发送回主线程 } }).start(); //-----------------------------不要忘了start() }进行网络请求，还是一样，通过子线程进行，用Handler返回到主线程
然后handler就进行数据的获取，存入mDatas
记得这个Handler必须声明在loadData()前面，因为loadData()用到了handler
@SuppressLint("HandlerLeak") Handler handler = new Handler(){ @Override public void handleMessage(@NonNull Message msg) { if (msg.what == 2) { String json = (String) msg.obj; NewsEntity newsEntity = new Gson().fromJson(json, NewsEntity.class); NewsEntity.ResultBean resultBean = newsEntity.getResult(); List<NewsEntity.ResultBean.DataBean> itemList = resultBean.getData(); mDatas.addAll(itemList); adapter.notifyDataSetChanged(); } } };
7. 点击实现跳转到浏览器
使用setOnItemClickListener()方法，搞个匿名内部类，重写onItemClick()方法，借助intent进行跳转
private void initUI() { homeNewsLv.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { Intent intent = new Intent(); intent.setAction(Intent.ACTION_VIEW); intent.setData(Uri.parse(mDatas.get(position).getUrl())); startActivity(intent); } }); }
8. 最后，HomeNewsFragment代码如下
package com.bin23.nbatoday.fragment;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import com.bin23.nbatoday.R;
import com.bin23.nbatoday.adapter.NewsAdapter;
import com.bin23.nbatoday.entity.NewsEntity;
import com.bin23.nbatoday.utils.HTTPUtil;
import com.google.gson.Gson;
import java.util.ArrayList;
import java.util.List;
public class HomeNewsFragment extends Fragment {
private ListView homeNewsLv;
private String url = "http://v.juhe.cn/toutiao/index?type=tiyu&key=e357dbe7418a4c1768a0c6fed0633f12";
private List<NewsEntity.ResultBean.DataBean> mDatas;
private NewsAdapter adapter;
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.tab_home_content, container, false);
homeNewsLv = view.findViewById(R.id.home_news_infolist_lv);
// 数据源
mDatas = new ArrayList<>();
// 创建适配器
adapter = new NewsAdapter(view.getContext(), mDatas);
// 设置适配器
homeNewsLv.setAdapter(adapter);
loadData();
initUI();
return view;
}
@SuppressLint("HandlerLeak")
Handler handler = new Handler(){
@Override
public void handleMessage(@NonNull Message msg) {
if (msg.what == 2) {
String json = (String) msg.obj;
NewsEntity newsEntity = new Gson().fromJson(json, NewsEntity.class);
NewsEntity.ResultBean resultBean = newsEntity.getResult();
List<NewsEntity.ResultBean.DataBean> itemList = resultBean.getData();
mDatas.addAll(itemList);
adapter.notifyDataSetChanged();
}
}
};
private void loadData() {
// 创建新的线程，完成数据的获取
new Thread(new Runnable() {
@Override
public void run() {
String jsonConetent = HTTPUtil.getJsonConetent(url);
// 子线程不能更新UI，需要通过handler发送数据回到主线程--消息通知机制
Message message = new Message(); // 发送的消息对象
message.what = 2; // 设置消息编号
message.obj = jsonConetent;
handler.sendMessage(message); // 子线程发送回主线程
}
}).start(); //-----------------------------不要忘了start()
}
private void initUI() {
homeNewsLv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Intent intent = new Intent();
intent.setAction(Intent.ACTION_VIEW);
intent.setData(Uri.parse(mDatas.get(position).getUrl()));
startActivity(intent);
}
});
}
}
CommunityFragment
接下来是写CommunityFragment
1. 找到布局中的控件
private ListView communityLv;
2. 声明接口的地址，同时生成相关实体类
调用的接口：https://api.bilibili.com/x/web-interface/search/all/v2?keyword=nba
private String url = "https://api.bilibili.com/x/web-interface/search/all/v2?keyword=nba";
该接口返回的json如下（由于json太长，省略掉了一些不必要的）
{
"code": 0,
"message": "0",
"ttl": 1,
"data": {
.............................................
"result": [
{
"result_type": "activity",
"data": []
},
{
"result_type": "web_game",
"data": []
},
{
"result_type": "card",
"data": []
},
{
"result_type": "media_bangumi",
"data": []
},
{
"result_type": "media_ft",
"data": []
},
{
"result_type": "bili_user",
"data": []
},
{
"result_type": "user",
"data": []
},
{
"result_type": "star",
"data": []
},
{
"result_type": "video",
"data": [
{
"type": "video",
"id": 372285038,
"author": "GoldenHoops",
"mid": 544291138,
"typeid": "163",
"typename": "运动",
"arcurl": "http://www.bilibili.com/video/av372285038",
"aid": 372285038,
"bvid": "BV1tZ4y157Ge",
"title": "这TM才是过人呀！！纵享极致丝滑",
"description": "脚踝终结者们的丝滑操作",
"arcrank": "0",
"pic": "//i2.hdslb.com/bfs/archive/58586831ecb014dde2d2adfe0cb3f5c1df512028.jpg",
"play": 101778,
"video_review": 125,
"favorites": 383,
"tag": "十月打卡挑战W1,CROSSOVER,脚踝终结者,运球,篮球,NBA",
"review": 49,
"pubdate": 1601816939,
"senddate": 1602006440,
"duration": "4:58",
"badgepay": false,
"hit_columns": [
"tag"
],
"view_type": "",
"is_pay": 0,
"is_union_video": 0,
"rec_tags": null,
"new_rec_tags": [],
"rank_score": 104304550
},
............................
]
}
]
}
}同样的，新建一个BilibiliVideoBean类，直接通过Gson Format这个插件，直接转生成我们所需要的实体类
BilibiliVideoBean
package com.bin23.nbatoday.entity;
import com.google.gson.annotations.SerializedName;
import java.util.List;
public class BilibiliVideoBean {
private int code;
private String message;
private int ttl;
private DataBean data;
public int getCode() {
return code;
}
public void setCode(int code) {
this.code = code;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public int getTtl() {
return ttl;
}
public void setTtl(int ttl) {
this.ttl = ttl;
}
public DataBean getData() {
return data;
}
public void setData(DataBean data) {
this.data = data;
}
public static class DataBean {
private String seid;
private int page;
private int pagesize;
private int numResults;
private int numPages;
private String suggest_keyword;
private String rqt_type;
private CostTimeBean cost_time;
private ExpListBean exp_list;
private int egg_hit;
private PageinfoBean pageinfo;
private TopTlistBean top_tlist;
private int show_column;
private List<String> show_module_list;
private List<ResultBean> result;
public String getSeid() {
return seid;
}
public void setSeid(String seid) {
this.seid = seid;
}
public int getPage() {
return page;
}
public void setPage(int page) {
this.page = page;
}
public int getPagesize() {
return pagesize;
}
public void setPagesize(int pagesize) {
this.pagesize = pagesize;
}
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getNumPages() {
return numPages;
}
public void setNumPages(int numPages) {
this.numPages = numPages;
}
public String getSuggest_keyword() {
return suggest_keyword;
}
public void setSuggest_keyword(String suggest_keyword) {
this.suggest_keyword = suggest_keyword;
}
public String getRqt_type() {
return rqt_type;
}
public void setRqt_type(String rqt_type) {
this.rqt_type = rqt_type;
}
public CostTimeBean getCost_time() {
return cost_time;
}
public void setCost_time(CostTimeBean cost_time) {
this.cost_time = cost_time;
}
public ExpListBean getExp_list() {
return exp_list;
}
public void setExp_list(ExpListBean exp_list) {
this.exp_list = exp_list;
}
public int getEgg_hit() {
return egg_hit;
}
public void setEgg_hit(int egg_hit) {
this.egg_hit = egg_hit;
}
public PageinfoBean getPageinfo() {
return pageinfo;
}
public void setPageinfo(PageinfoBean pageinfo) {
this.pageinfo = pageinfo;
}
public TopTlistBean getTop_tlist() {
return top_tlist;
}
public void setTop_tlist(TopTlistBean top_tlist) {
this.top_tlist = top_tlist;
}
public int getShow_column() {
return show_column;
}
public void setShow_column(int show_column) {
this.show_column = show_column;
}
public List<String> getShow_module_list() {
return show_module_list;
}
public void setShow_module_list(List<String> show_module_list) {
this.show_module_list = show_module_list;
}
public List<ResultBean> getResult() {
return result;
}
public void setResult(List<ResultBean> result) {
this.result = result;
}
public static class CostTimeBean {
private String params_check;
private String illegal_handler;
private String as_response_format;
private String mysql_request;
private String as_request;
private String save_cache;
private String as_request_format;
private String deserialize_response;
private String total;
private String main_handler;
public String getParams_check() {
return params_check;
}
public void setParams_check(String params_check) {
this.params_check = params_check;
}
public String getIllegal_handler() {
return illegal_handler;
}
public void setIllegal_handler(String illegal_handler) {
this.illegal_handler = illegal_handler;
}
public String getAs_response_format() {
return as_response_format;
}
public void setAs_response_format(String as_response_format) {
this.as_response_format = as_response_format;
}
public String getMysql_request() {
return mysql_request;
}
public void setMysql_request(String mysql_request) {
this.mysql_request = mysql_request;
}
public String getAs_request() {
return as_request;
}
public void setAs_request(String as_request) {
this.as_request = as_request;
}
public String getSave_cache() {
return save_cache;
}
public void setSave_cache(String save_cache) {
this.save_cache = save_cache;
}
public String getAs_request_format() {
return as_request_format;
}
public void setAs_request_format(String as_request_format) {
this.as_request_format = as_request_format;
}
public String getDeserialize_response() {
return deserialize_response;
}
public void setDeserialize_response(String deserialize_response) {
this.deserialize_response = deserialize_response;
}
public String getTotal() {
return total;
}
public void setTotal(String total) {
this.total = total;
}
public String getMain_handler() {
return main_handler;
}
public void setMain_handler(String main_handler) {
this.main_handler = main_handler;
}
}
public static class ExpListBean {
/**
* 5510 : true
*/
@SerializedName("5510")
private boolean _$5510;
public boolean is_$5510() {
return _$5510;
}
public void set_$5510(boolean _$5510) {
this._$5510 = _$5510;
}
}
public static class PageinfoBean {
private LiveRoomBean live_room;
private PgcBean pgc;
private OperationCardBean operation_card;
private TvBean tv;
private MovieBean movie;
private BiliUserBean bili_user;
private LiveMasterBean live_master;
private LiveAllBean live_all;
private TopicBean topic;
private UpuserBean upuser;
private LiveBean live;
private VideoBean video;
private UserBean user;
private BangumiBean bangumi;
private ActivityBean activity;
private MediaFtBean media_ft;
private ArticleBean article;
private MediaBangumiBean media_bangumi;
private SpecialBean special;
private LiveUserBean live_user;
public LiveRoomBean getLive_room() {
return live_room;
}
public void setLive_room(LiveRoomBean live_room) {
this.live_room = live_room;
}
public PgcBean getPgc() {
return pgc;
}
public void setPgc(PgcBean pgc) {
this.pgc = pgc;
}
public OperationCardBean getOperation_card() {
return operation_card;
}
public void setOperation_card(OperationCardBean operation_card) {
this.operation_card = operation_card;
}
public TvBean getTv() {
return tv;
}
public void setTv(TvBean tv) {
this.tv = tv;
}
public MovieBean getMovie() {
return movie;
}
public void setMovie(MovieBean movie) {
this.movie = movie;
}
public BiliUserBean getBili_user() {
return bili_user;
}
public void setBili_user(BiliUserBean bili_user) {
this.bili_user = bili_user;
}
public LiveMasterBean getLive_master() {
return live_master;
}
public void setLive_master(LiveMasterBean live_master) {
this.live_master = live_master;
}
public LiveAllBean getLive_all() {
return live_all;
}
public void setLive_all(LiveAllBean live_all) {
this.live_all = live_all;
}
public TopicBean getTopic() {
return topic;
}
public void setTopic(TopicBean topic) {
this.topic = topic;
}
public UpuserBean getUpuser() {
return upuser;
}
public void setUpuser(UpuserBean upuser) {
this.upuser = upuser;
}
public LiveBean getLive() {
return live;
}
public void setLive(LiveBean live) {
this.live = live;
}
public VideoBean getVideo() {
return video;
}
public void setVideo(VideoBean video) {
this.video = video;
}
public UserBean getUser() {
return user;
}
public void setUser(UserBean user) {
this.user = user;
}
public BangumiBean getBangumi() {
return bangumi;
}
public void setBangumi(BangumiBean bangumi) {
this.bangumi = bangumi;
}
public ActivityBean getActivity() {
return activity;
}
public void setActivity(ActivityBean activity) {
this.activity = activity;
}
public MediaFtBean getMedia_ft() {
return media_ft;
}
public void setMedia_ft(MediaFtBean media_ft) {
this.media_ft = media_ft;
}
public ArticleBean getArticle() {
return article;
}
public void setArticle(ArticleBean article) {
this.article = article;
}
public MediaBangumiBean getMedia_bangumi() {
return media_bangumi;
}
public void setMedia_bangumi(MediaBangumiBean media_bangumi) {
this.media_bangumi = media_bangumi;
}
public SpecialBean getSpecial() {
return special;
}
public void setSpecial(SpecialBean special) {
this.special = special;
}
public LiveUserBean getLive_user() {
return live_user;
}
public void setLive_user(LiveUserBean live_user) {
this.live_user = live_user;
}
public static class LiveRoomBean {
/**
* numResults : 5
* total : 5
* pages : 1
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class PgcBean {
/**
* numResults : 0
* total : 0
* pages : 0
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class OperationCardBean {
/**
* numResults : 0
* total : 0
* pages : 0
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class TvBean {
/**
* numResults : 0
* total : 0
* pages : 0
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class MovieBean {
/**
* numResults : 0
* total : 0
* pages : 0
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class BiliUserBean {
/**
* numResults : 432
* total : 432
* pages : 22
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class LiveMasterBean {
/**
* numResults : 0
* total : 0
* pages : 0
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class LiveAllBean {
/**
* numResults : 5
* total : 5
* pages : 1
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class TopicBean {
/**
* numResults : 0
* total : 0
* pages : 0
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class UpuserBean {
/**
* numResults : 0
* total : 0
* pages : 0
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class LiveBean {
/**
* numResults : 316
* total : 316
* pages : 16
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class VideoBean {
/**
* numResults : 1000
* total : 1000
* pages : 50
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class UserBean {
/**
* numResults : 0
* total : 0
* pages : 0
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class BangumiBean {
/**
* numResults : 0
* total : 0
* pages : 0
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class ActivityBean {
/**
* numResults : 0
* total : 0
* pages : 0
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class MediaFtBean {
/**
* numResults : 0
* total : 0
* pages : 0
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class ArticleBean {
/**
* numResults : 1000
* total : 1000
* pages : 50
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class MediaBangumiBean {
/**
* numResults : 0
* total : 0
* pages : 0
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class SpecialBean {
/**
* numResults : 2
* total : 2
* pages : 1
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
public static class LiveUserBean {
/**
* numResults : 311
* total : 311
* pages : 16
*/
private int numResults;
private int total;
private int pages;
public int getNumResults() {
return numResults;
}
public void setNumResults(int numResults) {
this.numResults = numResults;
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public int getPages() {
return pages;
}
public void setPages(int pages) {
this.pages = pages;
}
}
}
public static class TopTlistBean {
/**
* live_room : 5
* pgc : 0
* operation_card : 0
* tv : 0
* movie : 0
* special : 2
* live_master : 0
* bili_user : 432
* topic : 0
* upuser : 0
* live : 5
* video : 1000
* user : 0
* bangumi : 0
* activity : 0
* media_ft : 0
* article : 1000
* media_bangumi : 0
* card : 0
* live_user : 311
*/
private int live_room;
private int pgc;
private int operation_card;
private int tv;
private int movie;
private int special;
private int live_master;
private int bili_user;
private int topic;
private int upuser;
private int live;
private int video;
private int user;
private int bangumi;
private int activity;
private int media_ft;
private int article;
private int media_bangumi;
private int card;
private int live_user;
public int getLive_room() {
return live_room;
}
public void setLive_room(int live_room) {
this.live_room = live_room;
}
public int getPgc() {
return pgc;
}
public void setPgc(int pgc) {
this.pgc = pgc;
}
public int getOperation_card() {
return operation_card;
}
public void setOperation_card(int operation_card) {
this.operation_card = operation_card;
}
public int getTv() {
return tv;
}
public void setTv(int tv) {
this.tv = tv;
}
public int getMovie() {
return movie;
}
public void setMovie(int movie) {
this.movie = movie;
}
public int getSpecial() {
return special;
}
public void setSpecial(int special) {
this.special = special;
}
public int getLive_master() {
return live_master;
}
public void setLive_master(int live_master) {
this.live_master = live_master;
}
public int getBili_user() {
return bili_user;
}
public void setBili_user(int bili_user) {
this.bili_user = bili_user;
}
public int getTopic() {
return topic;
}
public void setTopic(int topic) {
this.topic = topic;
}
public int getUpuser() {
return upuser;
}
public void setUpuser(int upuser) {
this.upuser = upuser;
}
public int getLive() {
return live;
}
public void setLive(int live) {
this.live = live;
}
public int getVideo() {
return video;
}
public void setVideo(int video) {
this.video = video;
}
public int getUser() {
return user;
}
public void setUser(int user) {
this.user = user;
}
public int getBangumi() {
return bangumi;
}
public void setBangumi(int bangumi) {
this.bangumi = bangumi;
}
public int getActivity() {
return activity;
}
public void setActivity(int activity) {
this.activity = activity;
}
public int getMedia_ft() {
return media_ft;
}
public void setMedia_ft(int media_ft) {
this.media_ft = media_ft;
}
public int getArticle() {
return article;
}
public void setArticle(int article) {
this.article = article;
}
public int getMedia_bangumi() {
return media_bangumi;
}
public void setMedia_bangumi(int media_bangumi) {
this.media_bangumi = media_bangumi;
}
public int getCard() {
return card;
}
public void setCard(int card) {
this.card = card;
}
public int getLive_user() {
return live_user;
}
public void setLive_user(int live_user) {
this.live_user = live_user;
}
}
public static class ResultBean {
/**
* result_type : activity
* data : []
*/
private String result_type;
private List<VideoData> data;
public String getResult_type() {
return result_type;
}
public void setResult_type(String result_type) {
this.result_type = result_type;
}
public List<VideoData> getData() {
return data;
}
public void setData(List<VideoData> data) {
this.data = data;
}
}
}
}
3. 这里需要注意的是，最尾的代码，即ResultBean这个类
因为我们需要的视频数据是来自result里面的list的
但是生成的代码，List的泛型是？，所以我们需要自己新建一个类，来作为泛型，即视频数据类
public static class ResultBean {
/**
* result_type : activity
* data : []
*/
private String result_type;
private List<?> data;
.....
}那么就建一个类VideoData，根据json，也直接转成我们需要的代码
随便拿一个视频json
{
"type": "video",
"id": 372285038,
"author": "GoldenHoops",
"mid": 544291138,
"typeid": "163",
"typename": "运动",
"arcurl": "http://www.bilibili.com/video/av372285038",
"aid": 372285038,
"bvid": "BV1tZ4y157Ge",
"title": "这TM才是过人呀！！纵享极致丝滑",
"description": "脚踝终结者们的丝滑操作",
"arcrank": "0",
"pic": "//i2.hdslb.com/bfs/archive/58586831ecb014dde2d2adfe0cb3f5c1df512028.jpg",
"play": 101778,
"video_review": 125,
"favorites": 383,
"tag": "十月打卡挑战W1,CROSSOVER,脚踝终结者,运球,篮球,NBA",
"review": 49,
"pubdate": 1601816939,
"senddate": 1602006440,
"duration": "4:58",
"badgepay": false,
"hit_columns": [
"tag"
],
"view_type": "",
"is_pay": 0,
"is_union_video": 0,
"rec_tags": null,
"new_rec_tags": [],
"rank_score": 104304550
}然后直接生成，代码如下
VideoData
package com.bin23.nbatoday.entity;
import java.util.List;
public class VideoData {
private String type;
private int id;
private String author;
private int mid;
private String typeid;
private String typename;
private String arcurl;
private int aid;
private String bvid;
private String title;
private String description;
private String arcrank;
private String pic;
private int play;
private int video_review;
private int favorites;
private String tag;
private int review;
private int pubdate;
private int senddate;
private String duration;
private boolean badgepay;
private String view_type;
private int is_pay;
private int is_union_video;
private Object rec_tags;
private int rank_score;
private List<String> hit_columns;
private List<?> new_rec_tags;
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public int getMid() {
return mid;
}
public void setMid(int mid) {
this.mid = mid;
}
public String getTypeid() {
return typeid;
}
public void setTypeid(String typeid) {
this.typeid = typeid;
}
public String getTypename() {
return typename;
}
public void setTypename(String typename) {
this.typename = typename;
}
public String getArcurl() {
return arcurl;
}
public void setArcurl(String arcurl) {
this.arcurl = arcurl;
}
public int getAid() {
return aid;
}
public void setAid(int aid) {
this.aid = aid;
}
public String getBvid() {
return bvid;
}
public void setBvid(String bvid) {
this.bvid = bvid;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public String getArcrank() {
return arcrank;
}
public void setArcrank(String arcrank) {
this.arcrank = arcrank;
}
public String getPic() {
return pic;
}
public void setPic(String pic) {
this.pic = pic;
}
public int getPlay() {
return play;
}
public void setPlay(int play) {
this.play = play;
}
public int getVideo_review() {
return video_review;
}
public void setVideo_review(int video_review) {
this.video_review = video_review;
}
public int getFavorites() {
return favorites;
}
public void setFavorites(int favorites) {
this.favorites = favorites;
}
public String getTag() {
return tag;
}
public void setTag(String tag) {
this.tag = tag;
}
public int getReview() {
return review;
}
public void setReview(int review) {
this.review = review;
}
public int getPubdate() {
return pubdate;
}
public void setPubdate(int pubdate) {
this.pubdate = pubdate;
}
public int getSenddate() {
return senddate;
}
public void setSenddate(int senddate) {
this.senddate = senddate;
}
public String getDuration() {
return duration;
}
public void setDuration(String duration) {
this.duration = duration;
}
public boolean isBadgepay() {
return badgepay;
}
public void setBadgepay(boolean badgepay) {
this.badgepay = badgepay;
}
public String getView_type() {
return view_type;
}
public void setView_type(String view_type) {
this.view_type = view_type;
}
public int getIs_pay() {
return is_pay;
}
public void setIs_pay(int is_pay) {
this.is_pay = is_pay;
}
public int getIs_union_video() {
return is_union_video;
}
public void setIs_union_video(int is_union_video) {
this.is_union_video = is_union_video;
}
public Object getRec_tags() {
return rec_tags;
}
public void setRec_tags(Object rec_tags) {
this.rec_tags = rec_tags;
}
public int getRank_score() {
return rank_score;
}
public void setRank_score(int rank_score) {
this.rank_score = rank_score;
}
public List<String> getHit_columns() {
return hit_columns;
}
public void setHit_columns(List<String> hit_columns) {
this.hit_columns = hit_columns;
}
public List<?> getNew_rec_tags() {
return new_rec_tags;
}
public void setNew_rec_tags(List<?> new_rec_tags) {
this.new_rec_tags = new_rec_tags;
}
}4. 所以VideoData就是我们的数据源
private List<VideoData> mDatas;5. 有了数据源，还需要适配器
BilibiliVideoAdapter
这里主要就是饺子视频播放框架以及Picasso的使用
饺子视频播放框架可以在GitHub上看人家给的示例
由于这个视频接口获取不到B站视频的源视频播放地址，所以播放不了，我就直接拿一个可以播放的来顶替下
同时，写好一个找出类别为video的ResultBean的方法，因为ResultBean有类别，我们只需要类别为video的ResultBean，所以遍历下存放ResultBean这个集合
package com.bin23.nbatoday.utils; import com.bin23.nbatoday.entity.BilibiliVideoBean; import java.util.List; public class VideoUtil { /** * 因为ResultBean有类别，我们只需要类别为video的ResultBean，所以遍历下存放ResultBean这个集合 * @return */ public static BilibiliVideoBean.DataBean.ResultBean getResultBeanOfVideo(List<BilibiliVideoBean.DataBean.ResultBean> resultList) { BilibiliVideoBean.DataBean.ResultBean resultBean = null; for (int i = 0; i < resultList.size(); i++) { resultBean = resultList.get(i); if ("video".equals(resultBean.getResult_type())) { System.out.println(""); break; } } return resultBean; } }
package com.bin23.nbatoday.adapter;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import com.bin23.nbatoday.R;
import com.bin23.nbatoday.entity.BilibiliVideoBean;
import com.bin23.nbatoday.entity.VideoData;
import com.bin23.nbatoday.utils.VideoUtil;
import com.squareup.picasso.Picasso;
import java.util.List;
import cn.jzvd.JzvdStd;
public class BilibiliVideoAdapter extends BaseAdapter {
private Context context;
// private List<BilibiliVideoBean.DataBean.ResultBean> mDatas;
private List<VideoData> mDatas;
// public BilibiliVideoAdapter(Context context, List<BilibiliVideoBean.DataBean.ResultBean> mDatas) {
// this.context = context;
// this.mDatas = mDatas;
// }
public BilibiliVideoAdapter(Context context, List<VideoData> mDatas) {
this.context = context;
this.mDatas = mDatas;
}
@Override
public int getCount() {
return mDatas.size();
}
@Override
public Object getItem(int position) {
return mDatas.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
if (convertView == null) {
convertView = LayoutInflater.from(context).inflate(R.layout.tab_community_content_item_lv, parent, false);
holder = new ViewHolder(convertView);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
// 获取指定位置的数据源
// 1.获取我们所需类型为video的ResultBean
VideoData videoData = mDatas.get(position);
holder.upNameTv.setText(videoData.getAuthor());
holder.playTv.setText(videoData.getPlay() + "");
holder.favoriteTv.setText(videoData.getFavorites() + "");
String viedoPageUrl = videoData.getArcurl();
String purl = "https://upos-sz-mirrorks3.bilivideo.com/upgcxcode/37/58/242135837/242135837-1-208.mp4?e=ig8euxZM2rNcNbhM7wdVhwdlhzKMhwdVhoNvNC8BqJIzNbfq9rVEuxTEnE8L5F6VnEsSTx0vkX8fqJeYTj_lta53NCM=&uipk=5&nbs=1&deadline=1607445659&gen=playurl&os=ks3bv&oi=978800370&trid=5dc9eebdbc064f1c9751c122389676ddT&platform=html5&upsig=fc5aa22d1b96c690565e2b12066cc254&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=524602686&orderid=0,1&logo=80000000";
// 2.设置视频播放的信息
holder.jzvdStd.setUp(purl, videoData.getTitle(), JzvdStd.SCREEN_NORMAL);
String picURL = videoData.getPic();
Picasso.with(context).load(picURL).into(holder.jzvdStd.posterImageView);
holder.jzvdStd.positionInList = position;
return convertView;
}
static class ViewHolder {
private JzvdStd jzvdStd;
private TextView upNameTv, playTv, favoriteTv;
public ViewHolder(View view){
jzvdStd = view.findViewById(R.id.item_community_jzvd);
upNameTv = view.findViewById(R.id.item_community_tv_name);
playTv = view.findViewById(R.id.item_community_tv_play);
favoriteTv = view.findViewById(R.id.item_community_tv_favorite);
}
}
}
6. 有了适配器，那就设置适配器
communityLv = view.findViewById(R.id.community_lv);
// 数据源
mDatas = new ArrayList<>();
// 创建适配器
adapter = new BilibiliVideoAdapter(view.getContext(), mDatas);
// 设置适配器
communityLv.setAdapter(adapter);7. 进行网络请求，获取数据
@SuppressLint("HandlerLeak")
Handler handler = new Handler(){
@Override
public void handleMessage(@NonNull Message msg) {
if (msg.what == 1) {
String json = (String) msg.obj;
BilibiliVideoBean videoBean = new Gson().fromJson(json, BilibiliVideoBean.class);
BilibiliVideoBean.DataBean dataBean = videoBean.getData();
List<BilibiliVideoBean.DataBean.ResultBean> resultBeanList_fromJson = dataBean.getResult();
BilibiliVideoBean.DataBean.ResultBean resultBean = VideoUtil.getResultBeanOfVideo(resultBeanList_fromJson);
// 获取视频数据
List<VideoData> itemList = resultBean.getData();
for (int i = 0; i < itemList.size(); i++) {
VideoData videoData = itemList.get(i);
mDatas.add(videoData);
}
// 提示适配器更新数据
adapter.notifyDataSetChanged();
}
}
};
private void loadData() {
// 创建新的线程，完成数据的获取
new Thread(new Runnable() {
@Override
public void run() {
String jsonConetent = HTTPUtil.getJsonConetent(url);
// 子线程不能更新UI，需要通过handler发送数据回到主线程--消息通知机制
Message message = new Message(); // 发送的消息对象
message.what = 1; // 设置消息编号
message.obj = jsonConetent;
handler.sendMessage(message); // 子线程发送回主线程
}
}).start(); //-----------------------------不要忘了start()
}8. 最后，CommunityFragment代码如下
CommunityFragment
package com.bin23.nbatoday.fragment;
import android.annotation.SuppressLint;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import com.bin23.nbatoday.R;
import com.bin23.nbatoday.adapter.BilibiliVideoAdapter;
import com.bin23.nbatoday.entity.BilibiliVideoBean;
import com.bin23.nbatoday.entity.VideoData;
import com.bin23.nbatoday.utils.HTTPUtil;
import com.bin23.nbatoday.utils.VideoUtil;
import com.google.gson.Gson;
import java.util.ArrayList;
import java.util.List;
import cn.jzvd.JzvdStd;
public class CommunityFragment extends Fragment {
private ListView communityLv;
private String url = "https://api.bilibili.com/x/web-interface/search/all/v2?keyword=nba";
// private List<BilibiliVideoBean.DataBean.ResultBean> mDatas;
private List<VideoData> mDatas;
private BilibiliVideoAdapter adapter;
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.tab_community_content, container, false);
communityLv = view.findViewById(R.id.community_lv);
// 数据源
mDatas = new ArrayList<>();
// 创建适配器
adapter = new BilibiliVideoAdapter(view.getContext(), mDatas);
// 设置适配器
communityLv.setAdapter(adapter);
// 加载网络数据
loadData();
return view;
}
@SuppressLint("HandlerLeak")
Handler handler = new Handler(){
@Override
public void handleMessage(@NonNull Message msg) {
if (msg.what == 1) {
String json = (String) msg.obj;
BilibiliVideoBean videoBean = new Gson().fromJson(json, BilibiliVideoBean.class);
BilibiliVideoBean.DataBean dataBean = videoBean.getData();
List<BilibiliVideoBean.DataBean.ResultBean> resultBeanList_fromJson = dataBean.getResult();
BilibiliVideoBean.DataBean.ResultBean resultBean = VideoUtil.getResultBeanOfVideo(resultBeanList_fromJson);
// 获取视频数据
List<VideoData> itemList = resultBean.getData();
for (int i = 0; i < itemList.size(); i++) {
VideoData videoData = itemList.get(i);
mDatas.add(videoData);
}
// 提示适配器更新数据
adapter.notifyDataSetChanged();
}
}
};
private void loadData() {
// 创建新的线程，完成数据的获取
new Thread(new Runnable() {
@Override
public void run() {
String jsonConetent = HTTPUtil.getJsonConetent(url);
// 子线程不能更新UI，需要通过handler发送数据回到主线程--消息通知机制
Message message = new Message(); // 发送的消息对象
message.what = 1; // 设置消息编号
message.obj = jsonConetent;
handler.sendMessage(message); // 子线程发送回主线程
}
}).start(); //-----------------------------不要忘了start()
}
}MyZoneFragment
接下来是MyZoneFragment，这里就用到PagerView的知识
因为多出两个页面，那么就多写两个布局文件
1. 两个布局文件
第一个页面，网格布局，显示30支球队，纯静态，使用GridView
zone_view_1.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center">
<GridView
android:id="@+id/zone_grid_list_gv"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:numColumns="4"
>
</GridView>
</LinearLayout>第二个页面，纯静态登录页面
zone_view_2.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center">
<ImageView
android:id="@+id/loginbutton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="40dp"
android:layout_marginBottom="20dp"
android:src="@drawable/login_logo"/>
<RelativeLayout
android:id="@+id/input"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/loginbutton"
android:layout_marginLeft="28dp"
android:layout_marginRight="28dp"
android:background="#fff"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="108dp"
android:background="#fff"
android:gravity="center_vertical"
android:orientation="horizontal" >
<ImageView
android:id="@+id/login_user_icon_iv"
android:layout_width="44dp"
android:layout_height="44dp"
android:src="@drawable/user_icon"
android:scaleType="fitXY"
/>
<EditText
android:id="@+id/username_et"
android:layout_width="match_parent"
android:layout_height="44dp"
android:layout_weight="1"
android:background="@null"
android:imeOptions="actionDone"
android:textSize="16sp"
android:ems="10"
android:hint="请输入用户名"
android:layout_toRightOf="@+id/login_user_icon_iv"
android:layout_marginLeft="20dp"
>
</EditText>
<ImageView
android:id="@+id/login_pass_icon_iv"
android:layout_width="44dp"
android:layout_height="44dp"
android:src="@drawable/password_icon"
android:scaleType="fitXY"
android:layout_below="@+id/login_user_icon_iv"
android:layout_marginTop="20dp"
/>
<EditText
android:id="@+id/pass"
android:layout_width="match_parent"
android:layout_height="44.0dip"
android:background="#00ffffff"
android:gravity="center_vertical"
android:layout_below="@+id/username_et"
android:layout_toRightOf="@+id/login_pass_icon_iv"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"
android:inputType="textPassword"
android:maxLength="16"
android:maxLines="1"
android:textColor="#ff1d1d1d"
android:textColorHint="#ff666666"
android:textSize="16.0sp"
android:hint="请输入密码"
/>
</RelativeLayout>
</RelativeLayout>
<Button
android:id="@+id/loginBtn"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/input"
android:layout_marginTop="10dp"
android:background="#3aadfd"
android:text="登 录"
android:textColor="#ffffff"
android:textSize="18dp"
android:layout_centerHorizontal="true"
android:layout_marginLeft="28dp"
android:layout_marginRight="28dp"
/>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="28dp"
android:layout_marginRight="28dp"
android:layout_below="@+id/loginBtn"
>
<TextView
android:id="@+id/login_to_register_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="注册"
android:textStyle="bold"
android:textSize="16dp"
android:layout_marginTop="20dp"
/>
<TextView
android:id="@+id/login_forget_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="忘记密码"
android:textStyle="bold"
android:textSize="16dp"
android:layout_alignParentRight="true"
android:layout_marginTop="20dp"
/>
</RelativeLayout>
<TextView
android:text=""
android:layout_width="wrap_content"
android:layout_below="@+id/loginBtn"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:id="@+id/promptText"
android:textColor="#ff0000"
android:layout_marginTop="10dp"
android:textSize="18sp"/>
</RelativeLayout>布局文件OK了，那么就多两个Fragment
2. 两个Fragment
ZoneOne和ZoneTwo，基本也一样，如下
package com.bin23.nbatoday.fragment.sub;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import com.bin23.nbatoday.R;
public class ZoneOne extends Fragment {
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.zone_view_1, container, false);
return view;
}
}
同理，对于ZoneOne，它是一个GridView，类上ListView，所以需要数据源，适配器
3. ZoneOne的数据源
那么开始吧，数据源是静态的，我们就自己写
TeamBean
package com.bin23.nbatoday.entity;
public class TeamBean {
private String teamName;
private String teamFans;
private int teamPic;
public String getTeamName() {
return teamName;
}
public void setTeamName(String teamName) {
this.teamName = teamName;
}
public String getTeamFans() {
return teamFans;
}
public void setTeamFans(String teamFans) {
this.teamFans = teamFans;
}
public int getTeamPic() {
return teamPic;
}
public void setTeamPic(int teamPic) {
this.teamPic = teamPic;
}
public TeamBean() {
}
public TeamBean(String teamName, String teamFans, int teamPic) {
this.teamName = teamName;
this.teamFans = teamFans;
this.teamPic = teamPic;
}
}
写一个工具类，来获取30支球队的信息，作为数据源
package com.bin23.nbatoday.utils;
import com.bin23.nbatoday.R;
import com.bin23.nbatoday.entity.TeamBean;
import java.util.ArrayList;
public class TeamUtil {
public static ArrayList<TeamBean> getAllTeam(){
ArrayList<TeamBean> arrayList = new ArrayList<>();
for (int i = 0; i < 1; i++) {
TeamBean t1 = new TeamBean();
t1.setTeamName("湖人");
t1.setTeamFans("862万粉丝");
t1.setTeamPic(R.mipmap.lalakers);
TeamBean t2 = new TeamBean();
t2.setTeamName("快船");
t2.setTeamFans("484万粉丝");
t2.setTeamPic(R.mipmap.laclippers);
TeamBean t3 = new TeamBean();
t3.setTeamName("勇士");
t3.setTeamFans("1260万粉丝");
t3.setTeamPic(R.mipmap.goldenstate);
TeamBean t4 = new TeamBean();
t4.setTeamName("篮网");
t4.setTeamFans("119万粉丝");
t4.setTeamPic(R.mipmap.brooklyn);
TeamBean t5 = new TeamBean();
t5.setTeamName("火箭");
t5.setTeamFans("1168万粉丝");
t5.setTeamPic(R.mipmap.houston);
TeamBean t6 = new TeamBean();
t6.setTeamName("雷霆");
t6.setTeamFans("393万粉丝");
t6.setTeamPic(R.mipmap.okc);
TeamBean t7 = new TeamBean();
t7.setTeamName("马刺");
t7.setTeamFans("321万粉丝");
t7.setTeamPic(R.mipmap.sanantonio);
TeamBean t8 = new TeamBean();
t8.setTeamName("76人");
t8.setTeamFans("166万粉丝");
t8.setTeamPic(R.mipmap.phila);
TeamBean t9 = new TeamBean();
t9.setTeamName("雄鹿");
t9.setTeamFans("136万粉丝");
t9.setTeamPic(R.mipmap.milwaukee);
TeamBean t10 = new TeamBean();
t10.setTeamName("凯尔特人");
t10.setTeamFans("344万粉丝");
t10.setTeamPic(R.mipmap.boston);
TeamBean t11 = new TeamBean();
t11.setTeamName("猛龙");
t11.setTeamFans("165万粉丝");
t11.setTeamPic(R.mipmap.toronto);
TeamBean t12 = new TeamBean();
t12.setTeamName("开拓者");
t12.setTeamFans("148万粉丝");
t12.setTeamPic(R.mipmap.portland);
TeamBean t13 = new TeamBean();
t13.setTeamName("森林狼");
t13.setTeamFans("117万粉丝");
t13.setTeamPic(R.mipmap.minnesota);
TeamBean t14 = new TeamBean();
t14.setTeamName("步行者");
t14.setTeamFans("96万粉丝");
t14.setTeamPic(R.mipmap.indiana);
TeamBean t15 = new TeamBean();
t15.setTeamName("公牛");
t15.setTeamFans("179万粉丝");
t15.setTeamPic(R.mipmap.chicago);
TeamBean t16 = new TeamBean();
t16.setTeamName("黄蜂");
t16.setTeamFans("92万粉丝");
t16.setTeamPic(R.mipmap.charlotte);
TeamBean t17 = new TeamBean();
t17.setTeamName("爵士");
t17.setTeamFans("88万粉丝");
t17.setTeamPic(R.mipmap.utah);
TeamBean t18 = new TeamBean();
t18.setTeamName("活塞");
t18.setTeamFans("75万粉丝");
t18.setTeamPic(R.mipmap.detroit);
TeamBean t19 = new TeamBean();
t19.setTeamName("太阳");
t19.setTeamFans("67万粉丝");
t19.setTeamPic(R.mipmap.phoenix);
TeamBean t20 = new TeamBean();
t20.setTeamName("国王");
t20.setTeamFans("80万粉丝");
t20.setTeamPic(R.mipmap.sacramento);
TeamBean t21 = new TeamBean();
t21.setTeamName("尼克斯");
t21.setTeamFans("93万粉丝");
t21.setTeamPic(R.mipmap.newyork);
TeamBean t22 = new TeamBean();
t22.setTeamName("老鹰");
t22.setTeamFans("75万粉丝");
t22.setTeamPic(R.mipmap.atlanta);
TeamBean t23 = new TeamBean();
t23.setTeamName("魔术");
t23.setTeamFans("58万粉丝");
t23.setTeamPic(R.mipmap.orlando);
TeamBean t24 = new TeamBean();
t24.setTeamName("鹈鹕");
t24.setTeamFans("86万粉丝");
t24.setTeamPic(R.mipmap.neworleans);
TeamBean t25 = new TeamBean();
t25.setTeamName("骑士");
t25.setTeamFans("55万粉丝");
t25.setTeamPic(R.mipmap.cleveland);
TeamBean t26 = new TeamBean();
t26.setTeamName("奇才");
t26.setTeamFans("77万粉丝");
t26.setTeamPic(R.mipmap.washington);
TeamBean t27 = new TeamBean();
t27.setTeamName("掘金");
t27.setTeamFans("112万粉丝");
t27.setTeamPic(R.mipmap.denver);
TeamBean t28 = new TeamBean();
t28.setTeamName("独行侠");
t28.setTeamFans("235万粉丝");
t28.setTeamPic(R.mipmap.dallas);
TeamBean t29 = new TeamBean();
t29.setTeamName("灰熊");
t29.setTeamFans("116万粉丝");
t29.setTeamPic(R.mipmap.memphis);
TeamBean t30 = new TeamBean();
t30.setTeamName("热火");
t30.setTeamFans("212万粉丝");
t30.setTeamPic(R.mipmap.miami);
arrayList.add(t1);
arrayList.add(t2);
arrayList.add(t3);
arrayList.add(t4);
arrayList.add(t5);
arrayList.add(t6);
arrayList.add(t7);
arrayList.add(t8);
arrayList.add(t9);
arrayList.add(t10);
arrayList.add(t11);
arrayList.add(t12);
arrayList.add(t13);
arrayList.add(t14);
arrayList.add(t15);
arrayList.add(t16);
arrayList.add(t17);
arrayList.add(t18);
arrayList.add(t19);
arrayList.add(t20);
arrayList.add(t21);
arrayList.add(t22);
arrayList.add(t23);
arrayList.add(t24);
arrayList.add(t25);
arrayList.add(t26);
arrayList.add(t27);
arrayList.add(t28);
arrayList.add(t29);
arrayList.add(t30);
}
return arrayList;
}
}
4. ZoneOne的适配器
package com.bin23.nbatoday.adapter;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.bin23.nbatoday.R;
import com.bin23.nbatoday.entity.TeamBean;
import java.util.List;
public class TeamAdapter extends BaseAdapter {
private Context context;
private List<TeamBean> mDatas;
public TeamAdapter(Context context, List<TeamBean> mDatas) {
this.context = context;
this.mDatas = mDatas;
}
@Override
public int getCount() {
return mDatas.size();
}
@Override
public Object getItem(int position) {
return mDatas.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
if (convertView == null) {
convertView = LayoutInflater.from(context).inflate(R.layout.zone_view_gridlist_item, null);
holder = new ViewHolder(convertView);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
// 获取当前指定位置的数据
TeamBean teamBean = mDatas.get(position);
holder.iv.setImageResource(teamBean.getTeamPic());
holder.nameTv.setText(teamBean.getTeamName());
holder.desTv.setText(teamBean.getTeamFans());
return convertView;
}
static class ViewHolder {
ImageView iv;
TextView nameTv, desTv;
public ViewHolder(View view){
iv = view.findViewById(R.id.zone_list_item_iv);
nameTv = view.findViewById(R.id.zone_list_item_name_tv);
desTv = view.findViewById(R.id.zone_list_item_des_tv);
}
}
}
5. 最后，ZoneOne代码如下
package com.bin23.nbatoday.fragment.sub;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.GridView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import com.bin23.nbatoday.R;
import com.bin23.nbatoday.adapter.TeamAdapter;
import com.bin23.nbatoday.entity.TeamBean;
import com.bin23.nbatoday.utils.TeamUtil;
import java.util.List;
public class ZoneOne extends Fragment {
private GridView gv;
private List<TeamBean> mDatas;
private TeamAdapter adapter;
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.zone_view_1, container, false);
gv = view.findViewById(R.id.zone_grid_list_gv);
// 获取球队数据源
mDatas = TeamUtil.getAllTeam();
// 创建适配器对象
adapter = new TeamAdapter(view.getContext(), mDatas);
// 设置适配器
gv.setAdapter(adapter);
return view;
}
}
6. ZoneTwo基本不变
package com.bin23.nbatoday.fragment.sub;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import com.bin23.nbatoday.R;
public class ZoneTwo extends Fragment {
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.zone_view_2, container, false);
return view;
}
}
7. MyZoneFragment
- 实现ViewPager.OnPageChangeListener接口
implements ViewPager.OnPageChangeListener
- 找到布局中的控件
private ViewPager myZonePg;
- 声明两个集合，一个存放View，一个存放标题
private ArrayList<View> viewList; private ArrayList<String> titleList; //几个代表页面的常量 public static final int PAGE_ONE = 0; public static final int PAGE_TWO = 1;
完整MyZoneFragment代码如下
package com.bin23.nbatoday.fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.viewpager.widget.ViewPager;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;
import com.bin23.nbatoday.R;
import com.bin23.nbatoday.adapter.ZoneFragmentAdapter;
//import com.bin23.nbatoday.adapter.ZonePagerAdapter;
import java.util.ArrayList;
public class MyZoneFragment extends Fragment implements ViewPager.OnPageChangeListener{
private ViewPager myZonePg;
private ArrayList<View> viewList;
private ArrayList<String> titleList;
//几个代表页面的常量
public static final int PAGE_ONE = 0;
public static final int PAGE_TWO = 1;
private ZoneFragmentAdapter zoneFragmentAdapter;
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.tab_myzone_content, container, false);
myZonePg = view.findViewById(R.id.myzone_pg);
titleList = new ArrayList<String>();
titleList.add("NBA中心");
titleList.add("登录");
zoneFragmentAdapter = new ZoneFragmentAdapter(getChildFragmentManager(), titleList);
myZonePg.setAdapter(zoneFragmentAdapter);
return view;
}
private void bindViews(View view) {
myZonePg = view.findViewById(R.id.myzone_pg);
myZonePg.setCurrentItem(0);
myZonePg.addOnPageChangeListener(this);
}
//重写ViewPager页面切换的处理方法
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
}
@Override
public void onPageScrollStateChanged(int state) {
}
}
写个启动页
新建一个Activity，其布局设置一张背景图
WelcomeActivity
WelcomeActivity继承Activity，而不是AppCompatActivity，然后修改主启动为WelcomeActivity，让页面在WelcomeActivity停留2秒后跳转到MainActivity
package com.bin23.nbatoday;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import java.util.Timer;
import java.util.TimerTask;
public class WelcomeActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_welcome);
startMainActivity();
}
private void startMainActivity() {
TimerTask delayTask = new TimerTask() {
@Override
public void run() {
Intent mainIntent = new Intent(WelcomeActivity.this, MainActivity.class);
startActivity(mainIntent);
WelcomeActivity.this.finish();
}
};
Timer timer = new Timer();
timer.schedule(delayTask,2000);// 延时两秒执行 run 里面的操作
}
}所用到的知识
- 布局文件的各种操作，比如设置背景，设置边距，设置位置等等
- 动态添加Fragment，从而实现多页面切换
- ListView的使用
- 通过别人提供的接口获取数据，即网络请求接口地址后使用IO流进行获取json数据
- JiaoZiVideoPlayer的使用
- PagerView实现页面的左右滑动
- GridView的使用
- Handler消息机制
