我要评论分割线
public class MyItemDecoration extends RecyclerView.ItemDecoration {
private final int spec;
public MyItemDecoration(Context context, int dpValue) {
spec = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dpValue, context.getResources().getDisplayMetrics());
}
@Override
public void onDraw(@NonNull Canvas c, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
}
@Override
public void onDrawOver(@NonNull Canvas c, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
}
@Override
public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
outRect.set(spec, spec, 0, 0);
}
}
StaggeredGridLayoutManager layoutManager = new StaggeredGridLayoutManager(2, RecyclerView.VERTICAL);
recyclerView.addItemDecoration(new MyItemDecoration(this,10));
recyclerView.setLayoutManager(layoutManager);
布局：
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginLeft="@dimen/dp_10"
android:layout_marginRight="@dimen/dp_20"
android:layout_weight="1"/>
本文地址：https://blog.csdn.net/qq_37382732/article/details/108583812
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