android 常用控件总结

//这里可以理解为装载音乐文件

player = MediaPlayer.create(this, R.raw.test);

//开始播放

player.start();

}

public void onDestroy(){

super.onDestroy();

//停止音乐-停止Service

player.stop();

}

}

AndroidManifest.xml文件中

<service android:name=".MusicService">

<intent-filter>

<action android:name="com.yarin.Android.MUSIC" />

<category android:name="android.intent.category.default" />

</intent-filter>

</service>

2.2 Aandrod的生命周期

public class Activity02 extends Activity{

private static final String TAG = "Activity02";

public void onCreate(Bundle savedInstanceState){

super.onCreate(savedInstanceState);

setContentView(yout.main2);

Log.v(TAG, "onCreate");

}

public void onStart(){

super.onStart();

Log.v(TAG, "onStart");