PreviewCallback.java 文件源码

@Override
public void onPreviewFrame(byte[] data, Camera camera) {
  Point cameraResolution = configManager.getCameraResolution();
  Handler thePreviewHandler = previewHandler;
  if (cameraResolution != null && thePreviewHandler != null) {
    Message message = thePreviewHandler.obtainMessage(previewMessage, cameraResolution.x,
        cameraResolution.y, data);
    message.sendToTarget();
    previewHandler = null;
  } else {
    Log.d(TAG, "Got preview callback, but no handler or resolution available");
  }
}