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Intent intent = new Intent(MainActivity.this, PreviewActivity.class);
intent.putExtra("image_cropped_file", croppedFile.toString());
startActivity(intent);
Intent intent = getIntent();
String data = intent.getStringExtra("image_cropped_file");
filePath = data;
File file = new File(data);
Log.d("Newton", "file path: " + file.toString());
Uri u = Uri.fromFile(file);
iv_preview.setImageURI(u);