Try with:
ImageView.setImageURI(Uri.fromFile(new File("/sdcard/cats.jpg")));
Or with:
ImageView.setImageURI(Uri.parse(new File("/sdcard/cats.jpg").toString()));
Try with:
ImageView.setImageURI(Uri.fromFile(new File("/sdcard/cats.jpg")));
Or with:
ImageView.setImageURI(Uri.parse(new File("/sdcard/cats.jpg").toString()));