Android Open Source - AdvancedPlayer Lightness Controller

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Back to project page AdvancedPlayer.

License

The source code is released under:

Apache License

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Java Source Code

package com.huilan.library_videoplay.sample;
//from   w w  w  .  j  a v  a 2 s  .c  om
import android.app.Activity;
import android.content.ContentResolver;
import android.content.Context;
import android.provider.Settings.System;
import android.view.WindowManager;
import android.widget.Toast;

public class LightnessController {

    /**
     * ?????????????????
     */
    public static boolean isAutoBrightness(Context context) {
        boolean autoBrightness = false;
        ContentResolver aContentResolver = context.getContentResolver();
        try {
            autoBrightness = System.getInt(aContentResolver,
                    System.SCREEN_BRIGHTNESS_MODE) == System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
        } catch (Exception e) {
            Toast.makeText(context, "????????", Toast.LENGTH_SHORT).show();
        }
        return autoBrightness;
    }

    /**
     * ??????
     */
    public static void setLightness(Activity activity, int value) {
        try {
            System.putInt(activity.getContentResolver(), System.SCREEN_BRIGHTNESS, value);
            WindowManager.LayoutParams lp = activity.getWindow().getAttributes();
            lp.screenBrightness = (value <= 0 ? 1 : value) / 255f;
            activity.getWindow().setAttributes(lp);
        } catch (Exception e) {
            Toast.makeText(activity, "????????", Toast.LENGTH_SHORT).show();
        }
    }

    /**
     * ??????
     */
    public static int getLightness(Context context) {
        return System.getInt(context.getContentResolver(), System.SCREEN_BRIGHTNESS, -1);
    }

    /**
     * ??????????
     */
    public static void stopAutoBrightness(Context context) {
        System.putInt(context.getContentResolver(),
                System.SCREEN_BRIGHTNESS_MODE,
                System.SCREEN_BRIGHTNESS_MODE_MANUAL);
    }

    /**
     * ??????????
     */
    public static void startAutoBrightness(Context context) {
        System.putInt(context.getContentResolver(),
                System.SCREEN_BRIGHTNESS_MODE,
                System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
    }
}

Java Source Code List