Android 屏幕亮度调节（2.0以后出现亮度自动调节）如何开启、关闭亮度自动调节

/**
* 判断是否开启了自动亮度调节
*/
public static boolean isAutoBrightness(ContentResolver aContentResolver) {
boolean automicBrightness = false;
try {
automicBrightness = Settings.System.getInt(aContentResolver,
Settings.System.SCREEN_BRIGHTNESS_MODE) == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
} catch (SettingNotFoundException e) {
e.printStackTrace();
}
return automicBrightness;
}

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/** * 停止自动亮度调节 */public static void stopAutoBrightness(Activity activity) {    Settings.System.putInt(activity.getContentResolver(),            Settings.System.SCREEN_BRIGHTNESS_MODE,            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL);}/** * 开启亮度自动调节 *  * @param activity */public static void startAutoBrightness(Activity activity) {    Settings.System.putInt(activity.getContentResolver(),            Settings.System.SCREEN_BRIGHTNESS_MODE,            Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);}/** * 保存亮度设置状态 */public static void saveBrightness(ContentResolver resolver, int brightness) {    Uri uri = android.provider.Settings.System            .getUriFor("screen_brightness");    android.provider.Settings.System.putInt(resolver, "screen_brightness",            brightness);    // resolver.registerContentObserver(uri, true, myContentObserver);    resolver.notifyChange(uri, null);}

原文作者：木易日尧氵皮

原文地址： http://my.eoe.cn/1116476/archive/21785.html

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