/** Set's the ImageView's ScaleType to Matrix. */
private static void setImageViewScaleTypeMatrix(ImageView imageView) {
/**
* PhotoView sets it's own ScaleType to Matrix, then diverts all calls setScaleType to
* this.setScaleType automatically.
*/
if (null != imageView && !(imageView instanceof IPhotoView)) {
if (!ScaleType.MATRIX.equals(imageView.getScaleType())) {
imageView.setScaleType(ScaleType.MATRIX);
}
}
}
private void checkImageViewScaleType() {
ImageView imageView = getImageView();
/**
* PhotoView's getScaleType() will just divert to this.getScaleType() so only call if we're not
* attached to a PhotoView.
*/
if (null != imageView && !(imageView instanceof IPhotoView)) {
if (!ScaleType.MATRIX.equals(imageView.getScaleType())) {
throw new IllegalStateException(
"The ImageView's ScaleType has been changed since attaching a PhotoViewAttacher");
}
}
}