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>