Required to be able to access the camera device. This will automatically enforce the '> uses-featureall camera features. If you do not require all camera features or can properly operate if a camera is not available, then you must modify your manifest as appropriate in order to install on devices that don't support all camera features.
Allows an application to read or write the system settings. Note: If the app targets API level 23 or higher, the app user must explicitly grant this permission to the app through a permission management screen. The app requests the user's approval by sending an intent with action ACTION_MANAGE_WRITE_SETTINGS. The app can check whether it has this authorization by calling android.provider.Settings.System#canWrite Settings.System.canWrite()