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要實現(xiàn)RecyclerView列表項滑動刪除確認(rèn)功能,可以采取以下步驟:
public interface OnItemDeleteListener {
void onItemDelete(int position);
}
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
private List<Item> itemList;
private OnItemDeleteListener onItemDeleteListener;
// Adapter的構(gòu)造方法
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
// 綁定數(shù)據(jù)到ViewHolder
holder.btnDelete.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (onItemDeleteListener != null) {
onItemDeleteListener.onItemDelete(position);
}
}
});
}
public void setOnItemDeleteListener(OnItemDeleteListener listener) {
this.onItemDeleteListener = listener;
}
}
MyAdapter adapter = new MyAdapter(itemList);
adapter.setOnItemDeleteListener(new MyAdapter.OnItemDeleteListener() {
@Override
public void onItemDelete(int position) {
AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
builder.setMessage("確認(rèn)刪除該項?");
builder.setPositiveButton("確認(rèn)", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
itemList.remove(position);
adapter.notifyItemRemoved(position);
}
});
builder.setNegativeButton("取消", null);
builder.show();
}
});
recyclerView.setAdapter(adapter);
通過以上步驟,就可以實現(xiàn)RecyclerView列表項滑動刪除確認(rèn)功能。當(dāng)用戶滑動刪除某個列表項時,會彈出確認(rèn)對話框,用戶確認(rèn)刪除后再執(zhí)行刪除操作。
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