ScreenUtil.java
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package com.sunvote.xpadcomm;
import android.app.Activity;
import android.provider.Settings;
import android.provider.Settings.SettingNotFoundException;
import android.view.WindowManager;
import com.sunvote.util.LogUtil;
public class ScreenUtil {
static String TAG = "ScreenUtil";
public static void setDarkMode(Activity context){
try {
// if(isAutoBrightness(context)){
// ScreenUtil.stopAutoBrightness(context);
// }
// int bval = ScreenUtil.getScreenBrightness(context);
// LogUtil.d(TAG, "brightness:"+bval);
// ScreenUtil.setBrightness(context, 0);
// ScreenUtil.saveBrightness(context, 0);
// bval = ScreenUtil.getScreenBrightness(context);
// LogUtil.d(TAG, "brightness:"+bval);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void setNormalMode(Activity context , int level){
try {
// if(isAutoBrightness(context)){
// ScreenUtil.stopAutoBrightness(context);
// }
// int bval = ScreenUtil.getScreenBrightness(context);
// LogUtil.d(TAG, "brightness:"+bval);
// ScreenUtil.setBrightness(context, level);
// ScreenUtil.saveBrightness(context, level);
// bval = ScreenUtil.getScreenBrightness(context);
// LogUtil.d(TAG, "brightness:"+bval);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 判断是否开启了自动亮度调节
*
* @param activity
* @return
*/
public static boolean isAutoBrightness(Activity activity) {
boolean isAutoAdjustBright = false;
// try {
// isAutoAdjustBright = Settings.System.getInt(
// activity.getContentResolver(),
// Settings.System.SCREEN_BRIGHTNESS_MODE) == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
// } catch (SettingNotFoundException e) {
// e.printStackTrace();
// }
return isAutoAdjustBright;
}
/**
* 获取屏幕的亮度
*
* @param activity
* @return
*/
public static int getScreenBrightness(Activity activity) {
int brightnessValue = 0;
// try {
// brightnessValue = android.provider.Settings.System.getInt(
// activity.getContentResolver(),
// Settings.System.SCREEN_BRIGHTNESS);
// } catch (Exception e) {
// e.printStackTrace();
// }
return brightnessValue;
}
/**
* 设置屏幕亮度
*
* @param activity
* @param brightness
*/
public static void setBrightness(Activity activity, int brightness) {
// WindowManager.LayoutParams lp = activity.getWindow().getAttributes();
// lp.screenBrightness = Float.valueOf(brightness) * 255f / 100 ;
// activity.getWindow().setAttributes(lp);
}
/**
* 关闭亮度自动调节
*
* @param activity
*/
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
*
* @param activity
* @param brightness
*/
public static void saveBrightness(Activity activity, int brightness) {
// Uri uri = android.provider.Settings.System
// .getUriFor("screen_brightness");
// ContentResolver resolver = activity.getContentResolver();
// int value =(int) (Float.valueOf(brightness) * 255f / 100) ;
// android.provider.Settings.System.putInt(resolver, "screen_brightness", value);
//
// resolver.notifyChange(uri, null);
}
public static void screenPowerOff(Activity activity){
// PowerManager pm = (PowerManager) activity.getSystemService(Context.POWER_SERVICE);
// PowerManager.WakeLock wakeLock = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "TAG");
// wakeLock.acquire();
//做我们的工作，在这个阶段，我们的屏幕会持续点亮
//释放锁，屏幕熄灭。
// wakeLock.release();
}
}