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Code Issues Packages Projects Releases Wiki Activity

Added a custom snap helper in recyclerview

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CappielloAntonio
2021-08-09 12:00:56 +02:00
parent a3d01e1425
commit 3e9ae1bb6c
5 changed files with 72 additions and 6 deletions
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24
app/src/main/java/com/cappielloantonio/play/helper/recyclerview/CustomLinearSnapHelper.java Normal file
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package com.cappielloantonio.play.helper.recyclerview;
import android.view.View;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.LinearSnapHelper;
import androidx.recyclerview.widget.RecyclerView;
public class CustomLinearSnapHelper extends LinearSnapHelper {
@Override
public View findSnapView(RecyclerView.LayoutManager layoutManager) {
if (layoutManager instanceof LinearLayoutManager) {
LinearLayoutManager linearLayoutManager = (LinearLayoutManager) layoutManager;
if (!needToDoSnap(linearLayoutManager)) {
return null;
}
}
return super.findSnapView(layoutManager);
}
public boolean needToDoSnap(LinearLayoutManager linearLayoutManager) {
return linearLayoutManager.findFirstCompletelyVisibleItemPosition() != 0 && linearLayoutManager.findLastCompletelyVisibleItemPosition() != linearLayoutManager.getItemCount() - 1;
}
}