setBrightness

最新推荐文章于 2025-05-25 16:50:21 发布

tarena_unix

最新推荐文章于 2025-05-25 16:50:21 发布

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CC 4.0 BY-SA版权

文章标签： Android OS

本文链接：https://blog.youkuaiyun.com/tarena_unix/article/details/83614226

try {
IPowerManager power = IPowerManager.Stub.asInterface(
ServiceManager.getService("power"));
if (power != null) {
power.setBacklightBrightness(brightness);
}
} catch (RemoteException doe) {

}
import android.provider.Settings.SettingNotFoundException;
import android.provider.Settings;
import android.os.IPowerManager;
import android.os.RemoteException;
import android.os.ServiceManager;

private static final int MINIMUM_BACKLIGHT = android.os.Power.BRIGHTNESS_DIM + 10;
private static final int MAXIMUM_BACKLIGHT = android.os.Power.BRIGHTNESS_ON;

try {
mOldBrightness = Settings.System.getInt(getContext().getContentResolver(),
Settings.System.SCREEN_BRIGHTNESS);
} catch (SettingNotFoundException snfe) {
mOldBrightness = MAXIMUM_BACKLIGHT;
}
mSeekBar.setProgress(mOldBrightness - MINIMUM_BACKLIGHT);

private void setBrightness() {
int MAXIMUM_BACKLIGHT = android.os.Power.BRIGHTNESS_ON;
int mOldBrightness=0;
try {
mOldBrightness = Settings.System.getInt(context.getContentResolver(),
Settings.System.SCREEN_BRIGHTNESS);
Log.i("setBacklightBrightness", "onTouchEvent()->" + "ACTION_UPsetBacklightBrightness "+mOldBrightness);
} catch (SettingNotFoundException snfe) {
mOldBrightness = MAXIMUM_BACKLIGHT;
}
//mSeekBar.setProgress(mOldBrightness - MINIMUM_BACKLIGHT);

try {
IHardwareService hardware = IHardwareService.Stub.asInterface(
ServiceManager.getService("hardware"));
if (hardware != null) {
hardware.setBacklight(LIGHT_ID_BACKLIGHT,mOldBrightness);
}
} catch (RemoteException doe) {

}
}