Android 播放音乐文件与视频文件

  package cn.m15.test;

import android.app.Activity;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.MediaController;
import android.widget.TextView;
import android.widget.VideoView;

public class TestActivity extends Activity {

Button mPlayMusic = null;
Button mStopMusic = null;
Button mPlayVido = null;
Button mStopVido = null;

TextView mTextView = null;
VideoView mVideoView;
Uri mUri;

MediaPlayer mMediaMusic = null;
MediaPlayer mMediaVido = null;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mPlayMusic = (Button) findViewById(R.id.btn_01);
mStopMusic = (Button) findViewById(R.id.btn_02);
mPlayVido = (Button) findViewById(R.id.btn_03);
mStopVido = (Button) findViewById(R.id.btn_04);

// 创建MediaPlayer 这里用的音频格式是mp3
mMediaMusic = MediaPlayer.create(this, R.raw.music);

// 创建视频播放视图
mVideoView = (VideoView) findViewById(R.id.vidoView);

// sd卡下文件的路径(这是我录的一段汤姆猫的录像)
mUri = Uri.parse(Environment.getExternalStorageDirectory() + "/TalkingFriends/TalkingTom.mp4");

// 设置MediaController
mVideoView.setMediaController( new MediaController(this));

// 设置音频循环播放
mMediaMusic.setLooping(true);

mTextView = (TextView) findViewById(R.id.textView);

// 播放声音
mPlayMusic.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mTextView.setText("开始播放音频");
if (!mMediaMusic.isPlaying()) {
mMediaMusic.start();
}

}
});
// 关闭声音
mStopMusic.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mTextView.setText("停止播放音频");
if (mMediaMusic.isPlaying()) {
mMediaMusic.stop();
}
}
});

// 播放视频
mPlayVido.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
mTextView.setText("开始播放视频");
mVideoView.setVideoURI(mUri);
mVideoView.start();
}
});

// 关闭视频
mStopVido.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
mTextView.setText("停止播放视频");
mVideoView.stopPlayback();
}
});
}
}

  <?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/textView"
/>
<Button android:id="@+id/btn_01" android:layout_height="50dip"
android:text="播放音频" android:layout_width="150dip"/>
<Button android:id="@+id/btn_02" android:layout_height="50dip"
android:text="关闭音频" android:layout_width="150dip"/>
<Button android:id="@+id/btn_03" android:layout_height="50dip"
android:text="播放视频" android:layout_width="150dip"/>
<Button android:id="@+id/btn_04" android:layout_height="50dip"
android:text="关闭视频" android:layout_width="150dip"/>
<VideoView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/vidoView"
/>
</LinearLayout>