android短视频开发，两个ViewPager联动效果

activity_main.xml

<br><?xml version="1.0" encoding="utf-8"?><br><android.support.v4.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"<br>    xmlns:app="http://schemas.android.com/apk/res-auto"<br>    android:layout_width="match_parent"<br>    android:layout_height="match_parent"><br> <br>    <LinearLayout<br>        android:layout_width="match_parent"<br>        android:layout_height="match_parent"<br>        android:orientation="vertical"><br> <br>        <com.yundi.piano.ceshidemo.WrapContentHeightViewPager<br>            android:id="@+id/body_vp"<br>            android:layout_width="match_parent"<br>            android:layout_height="wrap_content" /><br> <br>        <TextView<br>            android:layout_width="match_parent"<br>            android:text="hhh"<br>            android:padding="10dp"<br>            android:layout_height="wrap_content" /><br> <br>        <com.yundi.piano.ceshidemo.WrapContentHeightViewPager<br>            android:id="@+id/header_vp"<br>            android:layout_width="match_parent"<br>            android:layout_height="wrap_content" /><br>    </LinearLayout><br></android.support.v4.widget.NestedScrollView>

MainActivity.java

<br>package com.yundi.piano.ceshidemo;<br> <br>import android.support.v4.view.ViewPager;<br>import android.support.v7.app.AppCompatActivity;<br>import android.os.Bundle;<br> <br>import java.util.ArrayList;<br>import java.util.List;<br> <br>public class MainActivity extends BaseActivity {<br> <br>    private WrapContentHeightViewPager mVp1,mVp2;<br>    @Override<br>    protected void onCreate(Bundle savedInstanceState) {<br>        super.onCreate(savedInstanceState);<br>        setContentView(R.layout.activity_main);<br>        mVp1=findViewById(R.id.body_vp);<br>        mVp2=findViewById(R.id.header_vp);<br>        List<String> list = new ArrayList<>();<br>        for (int i = 0; i < 3; i++) {<br>            list.add("第" + i + "个View");<br>        }<br>        mVp1.setAdapter(new MyPagerAdapter1(MainActivity.this, list));<br> <br>        List<String> list2 = new ArrayList<>();<br>        for (int i = 0; i < 3; i++) {<br>            list2.add("第" + i + "个Views");<br>        }<br>        mVp2.setAdapter(new MyPagerAdapter1(MainActivity.this, list2));<br> <br>        mVp1.addOnPageChangeListener(new BaseLinkPageChangeListener(mVp1, mVp2) {<br>            @Override<br>            public void onPageSelected(int position) {<br>                super.onPageSelected(position);<br>//                pageScrollToTop();<br>                mVp1.resetHeight(position);//设置viewpager高度<br>                mVp2.resetHeight(position);<br>            }<br>        });<br>        mVp2.addOnPageChangeListener(new BaseLinkPageChangeListener(mVp2, mVp1) {<br>            @Override<br>            public void onPageSelected(int position) {<br>                super.onPageSelected(position);<br>//                tabLayout.onPageSelected(position);<br>            }<br> <br>            @Override<br>            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {<br>                super.onPageScrolled(position, positionOffset, positionOffsetPixels);<br>//                tabLayout.onPageScrolled(position, positionOffset, positionOffsetPixels);<br>                mVp1.resetHeight(position);<br>                mVp2.resetHeight(position);<br>            }<br>        });<br> <br>    }<br>}<br> 