Simple application to add up to 3 quick settings tiles to the quick settings layout. The app makes use of the accessibility service to provide quick settings tiles to perform global actions: screenshot (API level 28), sleep (API level 28) and system power dialog (API level 21). System power dialog (GLOBAL_ACTION_POWER_DIALOG) has been added in <a href="https://developer.android.com/reference/android/accessibilityservice/AccessibilityService#GLOBAL_ACTION_POWER_DIALOG">API level 21</a>. Sleep (GLOBAL_ACTION_LOCK_SCREEN) has been added in <a href="https://developer.android.com/reference/android/accessibilityservice/AccessibilityService#GLOBAL_ACTION_LOCK_SCREEN">API level 28</a> Screenshot (GLOBAL_ACTION_TAKE_SCREENSHOT) has been added in <a href="https://developer.android.com/reference/android/accessibilityservice/AccessibilityService#GLOBAL_ACTION_TAKE_SCREENSHOT">API level 28</a>. Android Developers Documentation - <a href="https://developer.android.com/reference/android/accessibilityservice/AccessibilityService">Accessibility service</a> - <a href="https://developer.android.com/reference/android/service/quicksettings/Tile">Tile</a> - <a href="https://developer.android.com/reference/android/service/quicksettings/TileService">TileService</a>