51     private final TextureView mPreview;  field in TextureViewHelper
78         mPreview = preview;  in TextureViewHelper()
80         mPreview.addOnLayoutChangeListener(this);  in TextureViewHelper()
81         mPreview.setSurfaceTextureListener(this);  in TextureViewHelper()
128         mPreview.setTransform(new Matrix());  in clearTransform()
194         mPreview.setTransform(matrix);  in updateTransformFullScreen()
221         mPreview.setTransform(matrix);
371         mPreview.setTransform(matrix);
383         mPreview.post(new Runnable() {
407         if (mPreview == null) {
412         mPreview.getTransform(matrix).mapRect(area);
420         Bitmap preview = mPreview.getBitmap(width, height);
421         return Bitmap.createBitmap(preview, 0, 0, width, height, mPreview.getTransform(null), true);