我刚刚将一个项目迁移到了androidX,并设法解决了除1之外的所有问题 . 这是下面的触摸监听器的实现 .
private fun setItemTouchListner() {
val touchListner = object: ItemTouchHelper.SimpleCallback(0, ItemTouchHelper.LEFT) {
override fun onMove(recyclerView: androidx.recyclerview.widget.RecyclerView?, viewHolder: androidx.recyclerview.widget.RecyclerView.ViewHolder?, target: androidx.recyclerview.widget.RecyclerView.ViewHolder?): Boolean {
return false
}
override fun onSwiped(viewHolder: androidx.recyclerview.widget.RecyclerView.ViewHolder?, direction: Int) {
var rec: ChargeRecord? = null
if (viewHolder != null) {
rec = mAdapter?.getRecord((viewHolder.adapterPosition))
}
// delete record from cloud
if (rec != null) {
firebase?.child(rec.id)?.removeValue()
recordsViewModel?.deleteRecord(rec)
}
// remove record from list
if (viewHolder != null) {
records_list.adapter.notifyItemRemoved(viewHolder.adapterPosition)
}
}
}
val itemTouchHelper = ItemTouchHelper(touchListner)
itemTouchHelper.attachToRecyclerView(records_list)
}
我得到一个对象不是抽象错误,覆盖没有做任何错误 . 我搜索过并尝试重新格式化代码,但似乎无法修复它 . 任何指导将不胜感激 .
干杯
1 回答
啊啊经过很多寻找和思考我终于解决了,我不得不重新调整移动和滑动方法 .
这解决了这个问题
干杯