Start Activity From Lockscreen

I have created an app that uses a Broadcast Receiver. The Receiver needs to open another activity via intent. The program works when phone in unlocked / not sleeping. But when the

Solution 1:

use below code above setContentView(R.layout.main);

finalWindowwin= getWindow();
    win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
                  | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD); 
    win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
                  | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);

now your activity will display even when your device is locked

Solution 2:

I guess your activity is paused when the phone sleeps, so you don't receive the Broadcast.

You could try to launch a Service. It will be able to run even in sleep mode (like your media player is able to play music even when the phone is locked)

Put your receiver in a Serive an start your activity from there. It should work