Main.java Source code

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Here is the source code for Main.java

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//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;
import android.provider.Settings.SettingNotFoundException;

public class Main {
    private static boolean isAuto;
    private static int currentBrightness;

    public static void quickSetBrightness(Activity mActivity, ContentResolver resolver, int brightness) {
        isAuto = isAutoBrightness(resolver);
        if (isAuto) {
            stopAutoBrightness(mActivity);
        } else {
            currentBrightness = getScreenBrightness(mActivity);
        }
        saveBrightness(resolver, brightness);
    }

    public static boolean isAutoBrightness(ContentResolver aContentResolver) {
        boolean automaticBrightness = false;

        try {
            automaticBrightness = Settings.System.getInt(aContentResolver,
                    Settings.System.SCREEN_BRIGHTNESS_MODE) == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
        } catch (SettingNotFoundException e) {
            e.printStackTrace();
        }
        return automaticBrightness;
    }

    public static void stopAutoBrightness(Activity activity) {
        Settings.System.putInt(activity.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE,
                Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL);
    }

    public static int getScreenBrightness(Activity activity) {
        int nowBrightnessValue = 0;

        ContentResolver resolver = activity.getContentResolver();

        try {
            nowBrightnessValue = android.provider.Settings.System.getInt(resolver,
                    Settings.System.SCREEN_BRIGHTNESS);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return nowBrightnessValue;
    }

    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);
    }
}