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July 6, 2019 18:37
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RecyclerView Swipe Right/Left
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private void deleteTodoItem() { | |
//Swipe to delete currentTodo Item | |
new ItemTouchHelper(new ItemTouchHelper.SimpleCallback(0, | |
ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT) { | |
//private Drawable icon = ContextCompat.getDrawable(getApplicationContext(),R.drawable.icon_delete); | |
private ColorDrawable background = new ColorDrawable(Color.RED); | |
@Override | |
public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) { | |
return false; | |
} | |
@Override | |
public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) { | |
int position = viewHolder.getAdapterPosition(); | |
mTodoAdapter.deleteCurrentTodoItem(position); | |
// showMySnackBar("Todo deleted"); | |
} | |
@Override | |
public void onChildDraw(@NonNull Canvas c, @NonNull RecyclerView recyclerView, | |
@NonNull RecyclerView.ViewHolder viewHolder, float dX, float dY, | |
int actionState, boolean isCurrentlyActive) { | |
super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive); | |
View itemView = viewHolder.itemView; | |
int backgroundCornerOffset = 20; | |
if (dX > 0) { // Swiping to the right | |
background.setBounds(itemView.getLeft(), itemView.getTop(), | |
itemView.getLeft() + ((int) dX) + backgroundCornerOffset, | |
itemView.getBottom()); | |
} else if (dX < 0) { // Swiping to the left | |
background.setBounds(itemView.getRight() + ((int) dX) - backgroundCornerOffset, | |
itemView.getTop(), itemView.getRight(), itemView.getBottom()); | |
} else { // view is unSwiped | |
background.setBounds(0, 0, 0, 0); | |
} | |
background.draw(c); | |
} | |
}).attachToRecyclerView(mRecyclerView); | |
} |
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