Android custom progress bar with .gif file

Question

In my app i have a custom progress bar

progress.xml

Answer 1

Android progress dialog with gif

public class CustomProgressDialog extends AlertDialog {
public CustomProgressDialog(Context context) {
    super(context);
    getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));
}

@Override
public void show() {
    super.show();
    setContentView(R.layout.custom_progress_dialog);
 }
}

for more info http://www.androidcoding.in/2017/11/14/android-custom-progressbar/