52     private final TextureView mPreview;  field in TextureViewHelper
79         mPreview = preview;  in TextureViewHelper()
81         mPreview.addOnLayoutChangeListener(this);  in TextureViewHelper()
82         mPreview.setSurfaceTextureListener(this);  in TextureViewHelper()
108         int rotation = CameraUtil.getDisplayRotation((Activity) mPreview.getContext());  in onLayoutChange()
129         mPreview.setTransform(new Matrix());  in clearTransform()
195         mPreview.setTransform(matrix);  in updateTransformFullScreen()
222         mPreview.setTransform(matrix);
359             mOrientation = CameraUtil.getDisplayRotation((Activity) mPreview.getContext());
372         mPreview.setTransform(matrix);
384         mPreview.post(new Runnable() {
408         if (mPreview == null) {
413         mPreview.getTransform(matrix).mapRect(area);
421         Bitmap preview = mPreview.getBitmap(width, height);
422         return Bitmap.createBitmap(preview, 0, 0, width, height, mPreview.getTransform(null), true);