I want launch my activity on push notification over lock screen without change in lock.
Any special permission for that activity?
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1)
{
setShowWhenLocked(true);
setTurnScreenOn(true);
KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
if(keyguardManager!=null)
keyguardManager.requestDismissKeyguard(this, null);
}
else
{
getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD |
WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED |
WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
}
After API level 17 this would work
<activity
android:name=".yourActivityName"
android:showOnLockScreen="true"
android:screenOrientation="sensorPortrait" >
or write this in onCreate() before calling setContentView()
getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
The other answers include extra functionality that you may or may not want.
The minimum code to allow your activity to display on the lock screen is this:
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (Build.VERSION.SDK_INT >= 27)
setShowWhenLocked(true);
else
getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
// setContentView etc
}
If you also want your activity to turn on the screen (since it might be off) or unlock the keyguard, then see Vladimir Demirev's answer .
In the method onCreate(Bundle savedInstanceState) you should add some window flags:
Window window = this.getWindow();
window.addFlags(LayoutParams.FLAG_DISMISS_KEYGUARD);
window.addFlags(LayoutParams.FLAG_SHOW_WHEN_LOCKED);
window.addFlags(LayoutParams.FLAG_TURN_SCREEN_ON);
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