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 read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any android.telecom.PhoneAccount registered on the device. Note: If both your ' minSdkVersion and ' targetSdkVersion values are set to 3 or lower, the system implicitly grants your app this permission. If you don't need this permission, be sure your ' targetSdkVersion is 4 or higher.
Allows an app to create windows using the type TYPE_APPLICATION_OVERLAY, shown on top of all other apps. Very few apps should use this permission; these windows are intended for system-level interaction with the user. 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_OVERLAY_PERMISSION. The app can check whether it has this authorization by calling android.provider.Settings#canDrawOverlays Settings.canDrawOverlays()
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()