android camera焦距设置,该如何解决

android camera焦距设置
请教android camera焦距设置的代码

[解决办法]
源码camera.java里有 你想请教什么

Java code

           private void initializeZoom() {           if (!mParameters.isZoomSupported()) return;           // Maximum zoom value may change after preview size is set. Get the           // latest parameters here.           mParameters = mCameraDevice.getParameters();           mZoomMax = mParameters.getMaxZoom();           mSmoothZoomSupported = mParameters.isSmoothZoomSupported();           mGestureDetector = new GestureDetector(this, new ZoomGestureListener());           mCameraDevice.setZoomChangeListener(mZoomListener);       }        ……
[解决办法]
set zoom: mParameters.setZoom(xxx);
set focus mode: setFocusMode(String value);
看看api就明白了的。
http://developer.android.com/reference/android/hardware/Camera.Parameters.html