java.lang.NoSuchMethodError。解决思路

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 IPowerManager manager =
		 IPowerManager.Stub.asInterface(ServiceManager.getService("power"));
		
		 if (manager!=null)
		 {
		 manager.setTemporaryScreenBrightnessSettingOverride(value);
		 }

代码调用如上  

 是为了调用隐藏的api

你可以用这个方法试试 

try {
                IPowerManager power = IPowerManager.Stub.asInterface(
                        ServiceManager.getService("power"));
                if (power != null) {
                    power.setBacklightBrightness(brightness);
                }
               //保存亮度
                if (write) {
                    mCurBrightness = -1;
                    final ContentResolver resolver = getContext().getContentResolver();
                    Settings.System.putInt(resolver,
                            Settings.System.SCREEN_BRIGHTNESS, brightness);
                } else {
                    mCurBrightness = brightness;
                }
            } catch (RemoteException doe) {
            }

 我的class.jar 没有 setbacklightness方法 ，大神能否把你的class.jar 发给我 。邮箱是 [email protected]