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fix crash with reordering tasks

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This commit is contained in:
Elliot 2016-07-24 14:12:43 -04:00
parent 955926c569
commit 2f22ca06d2
1 changed files with 39 additions and 37 deletions
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76
Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/tasks/TaskRecyclerViewFragment.java
View file

@ -61,43 +61,7 @@ public class TaskRecyclerViewFragment extends BaseFragment implements View.OnCli
private HabitRPGUser user;
private View view;
private SortableTasksRecyclerViewAdapter.SortTasksCallback sortCallback;
private ItemTouchHelper.Callback mItemTouchCallback = new ItemTouchHelper.Callback() {
private Integer mFromPosition = null;
@Override
public void onSelectedChanged(RecyclerView.ViewHolder viewHolder, int actionState) {
super.onSelectedChanged(viewHolder, actionState);
if (viewHolder != null){
viewHolder.itemView.setBackgroundColor(Color.LTGRAY);
}
}
public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) {
if (mFromPosition == null) mFromPosition = viewHolder.getAdapterPosition();
((ItemTouchHelperAdapter)recyclerAdapter).onItemMove(viewHolder.getAdapterPosition(), target.getAdapterPosition());
return true;
}
@Override
public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) {}
//defines the enabled move directions in each state (idle, swiping, dragging).
@Override
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
return makeFlag(ItemTouchHelper.ACTION_STATE_DRAG,
ItemTouchHelper.DOWN | ItemTouchHelper.UP);
}
@Override
public void clearView(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
super.clearView(recyclerView, viewHolder);
viewHolder.itemView.setBackgroundColor(Color.WHITE);
if (mFromPosition != null){
((ItemTouchHelperDropCallback)recyclerAdapter).onDrop(mFromPosition, viewHolder.getAdapterPosition());
}
}
};
private ItemTouchHelper.Callback mItemTouchCallback;
public static TaskRecyclerViewFragment newInstance(HabitRPGUser user, String classType,
SortableTasksRecyclerViewAdapter.SortTasksCallback sortCallback) {
@ -148,6 +112,44 @@ public class TaskRecyclerViewFragment extends BaseFragment implements View.OnCli
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
mItemTouchCallback = new ItemTouchHelper.Callback() {
private Integer mFromPosition = null;
@Override
public void onSelectedChanged(RecyclerView.ViewHolder viewHolder, int actionState) {
super.onSelectedChanged(viewHolder, actionState);
if (viewHolder != null){
viewHolder.itemView.setBackgroundColor(Color.LTGRAY);
}
}
public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) {
if (mFromPosition == null) mFromPosition = viewHolder.getAdapterPosition();
((ItemTouchHelperAdapter)recyclerAdapter).onItemMove(viewHolder.getAdapterPosition(), target.getAdapterPosition());
return true;
}
@Override
public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) {}
//defines the enabled move directions in each state (idle, swiping, dragging).
@Override
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
return makeFlag(ItemTouchHelper.ACTION_STATE_DRAG,
ItemTouchHelper.DOWN | ItemTouchHelper.UP);
}
@Override
public void clearView(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
super.clearView(recyclerView, viewHolder);
viewHolder.itemView.setBackgroundColor(Color.WHITE);
if (mFromPosition != null){
((ItemTouchHelperDropCallback)recyclerAdapter).onDrop(mFromPosition, viewHolder.getAdapterPosition());
}
}
};
if (view == null) {
view = inflater.inflate(R.layout.fragment_recyclerview, container, false);