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public static boolean isAirplaneModeOn(Context context) {
// indique si le mode avion est on ou off
    return Settings.System.getInt(context.getContentResolver (),Settings.System.AIRPLANE_MODE_ON, 0) != 0;
}
 
public void setAirplaneMode(Context context) {
// swith du mode avion
 
    boolean isAirplaneModeOn = isAirplaneModeOn(context);
 
    if(isAirplaneModeOn) {
 
	Toast.makeText(getApplicationContext(), "Mode avion désactivé", Toast.LENGTH_SHORT).show();
	Settings.System.putInt(context.getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 0);
	Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
	intent.putExtra("state", 0);
	context.sendBroadcast(intent);
    }
    else {
 
	Toast.makeText(getApplicationContext(), "Mode avion activé", Toast.LENGTH_SHORT).show();
	Settings.System.putInt(context.getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 1);
	Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
	intent.putExtra("state", 1);
	context.sendBroadcast(intent);
    }
}