基本上,这就是我正在做的事情
1)设置AlarmManager以执行BroadcastReceiver(BCR)
Intent intent = new Intent(m_Context, BCR.class);
intent.putExtras(extras);
PendingIntent pendingIntent = PendingIntent.getBroadcast(m_Context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
am.set(AlarmManager.RTC_WAKEUP, StartTime, pendingIntent)
Run Code Online (Sandbox Code Playgroud)
2)从BCR启动MyActivity
@Override
public void onReceive(Context context, Intent intent) {
Intent newIntent = new Intent(context, MyActivity.class);
newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
context.startActivity(newIntent);
}
Run Code Online (Sandbox Code Playgroud)
3)如果MyActivity未打开,请将其打开
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().addFlags(LayoutParams.FLAG_DISMISS_KEYGUARD);
getWindow().addFlags(LayoutParams.FLAG_SHOW_WHEN_LOCKED);
getWindow().addFlags(LayoutParams.FLAG_TURN_SCREEN_ON);
setContentView(R.layout.myactivity);
}
@Overide
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
}
Run Code Online (Sandbox Code Playgroud)
出于某种原因,我注意到当MyActivity打开时,它的流程如下:
onCreate/onNewIntent - > onResume - > onPause - > onResume
我不确定为什么它会立即进行onPause.我注意到这只发生在标志打开被筛选时.有谁知道为什么会这样?有什么办法可以防止这种行为?