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Keep selectedItems up-to-date safely (behaviour was undefined before?)

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This commit is contained in:
Matthew Wong
2015-08-11 16:59:55 -04:00
parent 4845300730
commit 083f340f29
1 changed files with 9 additions and 2 deletions
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11
app/src/main/java/com/zeapo/pwdstore/utils/PasswordRecyclerAdapter.java
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@@ -190,12 +190,19 @@ public class PasswordRecyclerAdapter extends RecyclerView.Adapter<PasswordRecycl
public void remove(int position) { public void remove(int position) {
this.values.remove(position); this.values.remove(position);
this.notifyItemRemoved(position); this.notifyItemRemoved(position);
// keep selectedItems updated so we know what to notifyItemChanged
// (instead of just using notifyDataSetChanged)
Set<Integer> temp = new TreeSet<>();
for (int selected : selectedItems) { for (int selected : selectedItems) {
if (selected > position) { if (selected > position) {
selectedItems.remove(selected); temp.add(selected - 1);
selectedItems.add(selected - 1); } else {
temp.add(selected);
} }
} }
selectedItems.clear();
selectedItems.addAll(temp);
} }
public void toggleSelection(int position, View view) { public void toggleSelection(int position, View view) {