Android change some system settings

i was looking for some info about chnaging system setttings , here arte some pointers for links that might help you .

The major class  is : /Settings.Secure

http://developer.android.com/reference/android/provider/Settings.Secure.html

allowed adb insatll

http://stackoverflow.com/questions/11985251/how-to-access-device-settings-programmatically

Settings.Secure.putInt(getActivity().getContentResolver(),Settings.Secure.ADB_ENABLED, 1);

How to change programmatically a global setting like 'haptic feedback'?

http://stackoverflow.com/questions/7696934/how-to-change-programmatically-a-global-setting-like-haptic-feedback

Settings.System.putInt(getContentResolver(), Settings.System.HAPTIC_FEEDBACK_ENABLED, 0);

Control default auto rotate screen in my application

http://stackoverflow.com/questions/9718317/control-default-auto-rotate-screen-in-my-application

public static void setAutoOrientationEnabled(ContentResolver resolver, boolean enabled)

{

  Settings.System.putInt(resolver, Settings.System.ACCELEROMETER_ROTATION, enabled ? 1 : 0);

}

  How to change screen timeout programmatically?

http://stackoverflow.com/questions/10748861/how-to-change-screen-timeout-programmatically

  android.provider.Settings.System.putInt(getContentResolver(),

            Settings.System.SCREEN_OFF_TIMEOUT, time);

turn-the-volume-to-max

http://stackoverflow.com/questions/15670524/how-to-turn-the-volume-to-max-programmatically-on-android

change keyboard

http://stackoverflow.com/questions/6901097/change-input-method-of-android-device-programatically-android

not possible to change keyboard

GPS - on off

http://stackoverflow.com/questions/4721449/enable-gps-programatically-like-tasker

http://stackoverflow.com/questions/8983772/turn-on-location-providers-programmatically-in-android