[Android 9.0 Pie Java] Implement setOnTouchListener in the margin of RecyclerView and close the soft keyboard

at first

RecyclerView is convenient for displaying a list, but if you leave it as the default, you will not be able to fire an event when you touch the margin. I sought an implementation to close the soft keyboard by touching the margin of RecyclerView, so I would like to share it.


Implementation method

First to RecyclerView


Will be added.



        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />

All you have to do now is implement the listener with onCreateView or onCreatedView.


RecyclerView recyclerView = view.findViewById(R.id.recyclerView);
recyclerView.setOnTouchListener(new View.OnTouchListener() {
    public boolean onTouch(View v, MotionEvent event) {
        //Hide keyboard
        InputMethodManager inputMethodManager = (InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        inputMethodManager.hideSoftInputFromWindow(v.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
        //Move focus to background
        return false;

that's all.

I hope it will be helpful to anyone.

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