public static void set24HourTimeFormat(boolean use24HourTimeFormat) {
    Settings.System.putString(RuntimeEnvironment.application.getContentResolver(), Settings.System.TIME_12_24, use24HourTimeFormat ? "24" : "12");
  }
public static void set24HourTimeFormat(boolean use24HourTimeFormat) {
    Settings.System.putString(RuntimeEnvironment.application.getContentResolver(), Settings.System.TIME_12_24, use24HourTimeFormat ? "24" : "12");
  }
public static void set24HourTimeFormat ( boolean use24HourTimeFormat ) { Settings . System . putString ( RuntimeEnvironment . application . getContentResolver ( ) , Settings . System . TIME_12_24 , use24HourTimeFormat ? "24" : "12" ) ; }
Sets the value of the {@link Settings.System#TIME_12_24} setting.

@param use24HourTimeFormat new status for the time setting
Sets the value of the { @link Settings . System#TIME_12_24 } setting .