package nodomain.freeyourgadget.gadgetbridge.activities; import android.app.Activity; import android.app.KeyguardManager; import android.content.Context; import android.content.Intent; import android.os.Build; import android.os.Bundle; import android.view.WindowManager; import androidx.annotation.Nullable; public class WakeActivity extends Activity { /* By starting this activity via an intent sent e.g. by a Bangle.js the keyguard can be dismissed automatically if the android device is in a trusted state (e.g. using a GB Device (Bangle.js) as a trusted device via smart lock settings) First try to start the activity you want to start with an intent and then start this activity with a second intent, both initiated on the Bangle.js, or other device. */ private void dismissKeyguard() { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1) { setTurnScreenOn(true); KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE); keyguardManager.requestDismissKeyguard(this, null); } else { this.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON|WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD); } } @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(null); // Unlock the android device if it's in a trusted state, otherwise request user action to unlock dismissKeyguard(); // Go back to last activity, which can have been waiting to start under // the lock screen, e.g. it was previously initiated via intent message from Bangle.js this.onBackPressed(); } }