Java RecyclerView在不删除项目的情况下滑动
我想在RecyclerView中对刷卡执行一些操作。为此,我使用ItemTouchHelper.SimpleCallback 但当我刷卡时,一个项目从我的回收视图中消失 我该如何解决这个问题?我想显示一些滑动动画,并在不删除项目的情况下调用onsweed()回调Java RecyclerView在不删除项目的情况下滑动,java,android,kotlin,android-recyclerview,Java,Android,Kotlin,Android Recyclerview,我想在RecyclerView中对刷卡执行一些操作。为此,我使用ItemTouchHelper.SimpleCallback 但当我刷卡时,一个项目从我的回收视图中消失 我该如何解决这个问题?我想显示一些滑动动画,并在不删除项目的情况下调用onsweed()回调 val simpleItemTouchCallback = object : ItemTouchHelper.SimpleCallback(0, ItemTouchHelper.LEFT or ItemTouchHelper.RIGHT
val simpleItemTouchCallback = object : ItemTouchHelper.SimpleCallback(0, ItemTouchHelper.LEFT or ItemTouchHelper.RIGHT) {
override fun onMove(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder, target: RecyclerView.ViewHolder): Boolean {
return false
}
override fun onSwiped(viewHolder: RecyclerView.ViewHolder, swipeDir: Int) {
val position = viewHolder.adapterPosition
val item = (recyclerView.adapter as DashboardAdapter).getItem(position)
if (swipeDir == ItemTouchHelper.LEFT) {
// Close query
...
} else if (swipeDir == ItemTouchHelper.RIGHT) {
// Take query
...
}
recyclerView.adapter?.notifyDataSetChanged()
}
}
val itemTouchHelper = ItemTouchHelper(simpleItemTouchCallback)
itemTouchHelper.attachToRecyclerView(recyclerView)
您可以通过添加到ViewHolder字段来实现这一点,该字段将包含有关视图是否可切换的信息,在方法OnSweep上,将其设置为false,并使用方法translationX(0)将项目动画设置为原始x,如果您也在垂直方向上滑动,则可以使用to transaltionY(0)。如果您这样做,该项目将无法再次刷卡
private ItemTouchHelper.SimpleCallback simpleItemTouchCallback = new ItemTouchHelper.SimpleCallback(0, ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT) {
@Override
public boolean onMove(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder, @NonNull RecyclerView.ViewHolder target) {
return false;
}
@Override
public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int direction) {
Log.e("Swiped","Swiped");
((YourViewHolder) viewHolder).setSwipeable(false);
View item = viewHolder.itemView;
item.animate().translationX(0);
}
@Override
public int getSwipeDirs(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {
if(((RemarkAdapter.RemarkViewHolder) viewHolder).isSwipeable()){
return super.getSwipeDirs(recyclerView, viewHolder);
}
else{
return 0;
}
}
};
你找到解决问题的方法了吗??