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1. Code (1) DocumentWebViewFragment2.java WebView webView = (WebView) rootView.findViewById(R.id.webView2); final ConstraintLayout topBar = (ConstraintLayout) rootView.findViewById(R.id.topBar); final ConstraintLayout BottomBar = (ConstraintLayout) rootView.findViewById(R.id.BottomBar); webView.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent e..