Android高级控件（四）——VideoView 实现引导页播放视频欢迎效果，超级简单却十分的炫酷

Android高级控件（四）——VideoView 实现引导页播放视频欢迎效果，超级简单却十分的炫酷

CustomVideoView

package com.lgl.mp4index;

import android.content.Context;
import android.media.MediaPlayer;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.widget.VideoView;

/**
* 视频播放,主要是因为手机的大小很多，不能保证原生的VideoView能实现全屏
* Created by lgl on 16/2/18.
*/
public class CustomVideoView extends VideoView {

public CustomVideoView(Context context) {
super(context);
}

public CustomVideoView(Context context, AttributeSet attrs) {
super(context, attrs);
}

public CustomVideoView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
//我们重新计算高度
int width = getDefaultSize(0, widthMeasureSpec);
int height = getDefaultSize(0, heightMeasureSpec);
setMeasuredDimension(width, height);
}

@Override
public void setOnPreparedListener(MediaPlayer.OnPreparedListener l) {
super.setOnPreparedListener(l);
}

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
return super.onKeyDown(keyCode, event);
}
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">

<com.lgl.mp4index.CustomVideoView
android:id="@+id/videoview"
android:layout_width="match_parent"
android:layout_height="match_parent" />

<Button
android:id="@+id/btn_start"
android:layout_width="100dp"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="56dp"
android:text="进入" />
</RelativeLayout>

MainActivity

package com.lgl.mp4index;

import android.media.MediaPlayer;
import android.net.Uri;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements View.OnClickListener{

private CustomVideoView videoview;
private Button btn_start;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

initView();
}

/**
* 初始化
*/
private void initView() {
btn_start = (Button) findViewById(R.id.btn_start);
btn_start.setOnClickListener(this);

videoview = (CustomVideoView) findViewById(R.id.videoview);
//设置播放加载路径
videoview.setVideoURI(Uri.parse("android.resource://"+getPackageName()+"/"+R.raw.media));
//播放
videoview.start();
//循环播放
videoview.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mediaPlayer) {
videoview.start();
}
});

}

@Override
public void onClick(View view) {
switch (view.getId()){
case R.id.btn_start:
Toast.makeText(this,"进入了主页",Toast.LENGTH_SHORT).show();
break;
}
}
}