// and in your imlpementaion of
public boolean onMove(
RecyclerView recyclerView,
RecyclerView.ViewHolder viewHolder,
RecyclerView.ViewHolder target) {
// get the viewHolder's and target's positions in your adapter data, swap them
animAdapter.onItemMove(viewHolder.getAdapterPosition(), target.getAdapterPosition());
// and notify the adapter that its dataset has changed
animAdapter.notifyItemMoved(viewHolder.getAdapterPosition(), target.getAdapterPosition());
return true;
}
@Override
public void onItemClick(int adapterPosition) {
switch (radioGroup.getCheckedRadioButtonId()) {
case R.id.rdo_add:
animAdapter.addItem(adapterPosition);
break;
case R.id.rdo_del:
animAdapter.deleteItem(adapterPosition);
break;
case R.id.rdo_change:
animAdapter.changeItem(adapterPosition);
break;
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_animate_list);
radioGroup = (RadioGroup) findViewById(R.id.radioGroup);
RecyclerView.ItemAnimator itemAnimator = new DefaultItemAnimator();
itemAnimator.setAddDuration(500);
itemAnimator.setRemoveDuration(500);
RecyclerView recyclerView = (RecyclerView) findViewById(R.id.list);
animAdapter = new AnimAdapter();
animAdapter.setOnItemClickListener(this);
recyclerView.setItemAnimator(itemAnimator);
recyclerView.setLayoutManager(
new StaggeredGridLayoutManager(1, StaggeredGridLayoutManager.VERTICAL));
recyclerView.setAdapter(animAdapter);
ItemTouchHelper ith = new ItemTouchHelper(_ithCallback);
ith.attachToRecyclerView(recyclerView);
}
