How to handle click on ScrollView in Fragment?

Question

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".ExampleFragment"> <ScrollView android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/myScroll"> </ScrollView> </FrameLayout>

And in Fragment I'm trying:

@Override public void onStart() { super.onStart(); ScrollView refresh = (ScrollView) getActivity().findViewById(R.id.myScroll); refresh.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Toast toast = Toast.makeText(getActivity().getApplicationContext(), "TEST", Toast.LENGTH_LONG); toast.show(); } }); }

But after clicking nothing happens.

Any other idea to handle a click on a fragment? This does not have to be a ScrollView. I tried also for FragmentLayout but it returns a lot of bugs.

did you make debugging? does onclick function run properly? Does the toast show runs properly but does not occur on your screen? Where does the error occurs exactly? — koksalb
– koksalb, Commented Oct 22, 2017 at 13:25

Venkata Narayana · Accepted Answer · 2017-10-22 13:36:24Z

The reason for the onClickListener of ScrollView being ignored is explained here.

You could add an onTouchListener instead like this.

 refresh.setOnTouchListener(new View.OnTouchListener() { /** * Called when a touch event is dispatched to a view. This allows listeners to * get a chance to respond before the target view. * * @param v The view the touch event has been dispatched to. * @param event The MotionEvent object containing full information about * the event. * @return True if the listener has consumed the event, false otherwise. */ @Override public boolean onTouch(View v, MotionEvent event) { Toast toast = Toast.makeText(getActivity().getApplicationContext(), "TEST", Toast.LENGTH_LONG); toast.show(); return false; } });

Sush · Accepted Answer · 2017-10-22 13:33:51Z

use this code in onCreateView

 ScrollView refresh = (ScrollView) getActivity().findViewById(R.id.myScroll); refresh.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Toast toast = Toast.makeText(getActivity().getApplicationContext(), "TEST", Toast.LENGTH_LONG); toast.show(); } });

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