IPowerManager移植有关问题

IPowerManager移植问题
请教各位，我有份代码用到了IPowerManager ，但是在2.1里没有IPowerManager，应该想办法移植还是直接用新的接口。

Java code

    private void setBacklight(int brightness) {        try {            IPowerManager power = IPowerManager.Stub.asInterface(                    ServiceManager.getService("power"));            if (power != null) {                power.setBacklightBrightness(brightness);                Log.i(TAG, "set brightness to :"+ new Integer(brightness).toString());            }        } catch (RemoteException doe) {            Log.e(mName, "can't set backlights");        }            }

[解决办法]
其实编译过，好像权限也不行的，1.5开始有新的设置方法了，
[解决办法]
Is there a way to raise the backlight on an Android device through the official API?
http://stackoverflow.com/questions/826970/is-there-a-way-to-raise-the-backlight-on-an-android-device-through-the-official-a

changing screen brightness
http://www.anddev.org/viewtopic.php?p=12512
[解决办法]
自己编译下android framework，生成个自制的android.jar就行了，权限问题，当然你换更老的，比如0.9的肯定能编译通过

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