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@ -48,7 +48,8 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
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MediaPlayer mPlayer;// 媒体播放器
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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protected void onCreate(Bundle savedInstanceState) //当一个Activity被创建时系统会调用该的onCreate()方法,在onCreate()方法的参数savedInstanceState是一个Bundle对象,用于保存Activity的状态。当Activity因为某种原因(例如屏幕旋转、内存不足等)被销毁时,系统会将Activity的状态保存在savedInstanceState中。当Activity重新创建时,系统会将savedInstanceState传递给onCreate()方法,以便恢复之前保存的状态。
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{
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super.onCreate(savedInstanceState);
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requestWindowFeature(Window.FEATURE_NO_TITLE);
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