/**

	 * 获取当前屏幕亮度模式

	 * SCREEN_BRIGHTNESS_MODE_AUTOMATIC=1 为自己主动调节屏幕亮度

	 * SCREEN_BRIGHTNESS_MODE_MANUAL=0  为手动调节屏幕亮度

	 */

	  private int getScreenMode(){

	    int screenMode=0;

	    try{

	    	screenMode = Settings.System.getInt(getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE);

	    }

	    catch (Exception localException){

	    }

	    return screenMode;

	  }

	 /**

	 * 获得当前屏幕亮度值  0-255

	 */

	  private int getScreenBrightness(){

	    int screenBrightness=255;

	    try{

	    	screenBrightness = Settings.System.getInt(getContentResolver(), Settings.System.SCREEN_BRIGHTNESS);

	    }

	    catch (Exception localException){

	    }

	    return screenBrightness;

	  }

	/**

	 * 设置当前屏幕亮度的模式

	 * SCREEN_BRIGHTNESS_MODE_AUTOMATIC=1 为自己主动调节屏幕亮度

	 * SCREEN_BRIGHTNESS_MODE_MANUAL=0  为手动调节屏幕亮度

	 */

	  private void setScreenMode(int paramInt){

	    try{

	      Settings.System.putInt(getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, paramInt);

	    }catch (Exception localException){

	      localException.printStackTrace();

	    }

	  }

	  /**

	   * 设置系统级屏幕亮度值  0-255

<span style="white-space:pre">	</span>   *

	   */

	  private void saveScreenBrightness(int paramInt){

	    try{

	      Settings.System.putInt(getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, paramInt);

	    }

	    catch (Exception localException){

	      localException.printStackTrace();

	    }

	  }

	  /**

	   * 设置当前的屏幕亮度值，及时生效 0-255

<span style="white-space:pre">	</span>   * 该方法仅对当前应用屏幕亮度生效

	   */

	  private void setScreenBrightness(int paramInt){

	    Window localWindow = getWindow();

	    WindowManager.LayoutParams localLayoutParams = localWindow.getAttributes();

	    float f = paramInt / 255.0F;

	    localLayoutParams.screenBrightness = f;

	    localWindow.setAttributes(localLayoutParams);

	  }