Java tutorial
//package com.java2s; /** * Copyright 2016 JustWayward Team * <p> * 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 * <p> * http://www.apache.org/licenses/LICENSE-2.0 * <p> * 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.content.Context; import android.provider.Settings; public class Main { public static float getScreenBrightness(Context mContext) { int screenBrightness = 255; try { screenBrightness = Settings.System.getInt(mContext.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS); } catch (Exception e) { e.printStackTrace(); } return screenBrightness / 255.0F * 100; } }