Java tutorial
//package com.java2s; /** * Copyright (c) 2015, Spencer , ChinaSunHZ (www.spencer-dev.com). * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.app.Activity; import android.content.ContentResolver; import android.net.Uri; import android.provider.Settings; public class Main { private static boolean isAuto; private static int currentBrightness; public static void quickResetBrightness(Activity mActivity, ContentResolver resolver) { if (isAuto) { startAutoBrightness(mActivity); } else { saveBrightness(resolver, currentBrightness); } } public static void startAutoBrightness(Activity activity) { Settings.System.putInt(activity.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC); } 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.notifyChange(uri, null); } }