本文转自：http://blog.csdn.net/hu48934/article/details/6920773
package com.hu;
import java.io.IOException;
import android.app.Activity;
import android.content.Context;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class ShengYinActivity extends Activity {
MyThread m;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button b = (Button)findViewById(R.id.button1);
m = new MyThread(this);
m.start();
b.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if(m.isAlive()){
m.StopAlarmRing();
}
}
});
}
class MyThread extends Thread{
MediaPlayer mMediaPlayer;
Context mContext;
public MyThread(Context mContext) {
mMediaPlayer = new MediaPlayer();
this.mContext = mContext;
}
@Override
public void run() {
Uri alert = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_ALARM);
try {
mMediaPlayer.setDataSource(mContext, alert);
final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
if (audioManager.getStreamVolume(AudioManager.STREAM_ALARM) != 0) {
mMediaPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
mMediaPlayer.setLooping(true);
mMediaPlayer.prepare();
}
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
mMediaPlayer.start();
}
private void StopAlarmRing() {
mMediaPlayer.stop();
}
}
}