[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
android:touchscreenBlocksFocus="true"
Will be added.
fragment.xml
<LinearLayout
android:id="@+id/scrollView"
android:layout_width="0dp"
android:layout_height="0dp"
android:isScrollContainer="false"
app:layout_constraintBottom_toTopOf="@+id/footerBorder"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/headerBorder">
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:touchscreenBlocksFocus="true"
app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />
</LinearLayout>
All you have to do now is implement the listener with onCreateView or onCreatedView.
Fragment.java
RecyclerView recyclerView = view.findViewById(R.id.recyclerView);
recyclerView.setOnTouchListener(new View.OnTouchListener() {
@Override
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
recyclerView.requestFocus();
return false;
}
});
that's all.
I hope it will be helpful to anyone.
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