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/** * 获得当前屏幕亮度的模式
* SCREEN_BRIGHTNESS_MODE_AUTOMATIC=1 为自动调节屏幕亮度
* 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();
}
}
/**
* 设置当前屏幕亮度值 0--255
*/
private
void saveScreenBrightness( int
paramInt){
try {
Settings.System.putInt(getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, paramInt);
}
catch
(Exception localException){
localException.printStackTrace();
}
}
/**
* 保存当前的屏幕亮度值,并使之生效
*/
private
void setScreenBrightness( int
paramInt){
Window localWindow = getWindow();
WindowManager.LayoutParams localLayoutParams = localWindow.getAttributes();
float
f = paramInt / 255 .0F;
localLayoutParams.screenBrightness = f;
localWindow.setAttributes(localLayoutParams);
}
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