我需要获得数据,特别是行Id,这是我以前在Recyclerview中设置为textview的。
在这里,我得到了我留下的适配器的位置,我使用它滑动了.by,我希望获得以前设置的隐藏id,并删除SQlite中的数据。
RecyclerviewAdapter.java
public class RecyclerviewAdapter_list extends RecyclerView.Adapter<RecyclerviewAdapter_list.MyViewHolder> {
private Context mContext;
private List<myAlarms> myAlarmsdata;
Database_Helper database_helper;
public RecyclerviewAdapter_list(Context mContext, List<myAlarms>myAlarmsdata){
this.mContext = mContext;
this.myAlarmsdata =myAlarmsdata;
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view;
LayoutInflater inflater = LayoutInflater.from(parent.getContext());
view = inflater.inflate(R.layout.cardview_alarm, parent, false);
return new MyViewHolder(view);
}
@Override
public void onBindViewHolder(MyViewHolder holder, int position) {
myAlarms myAlarms =myAlarmsdata.get(position);
String mTimeSplit = myAlarms.getALARM_TIME();
SpannableString mtime= new SpannableString(mTimeSplit);
mtime.setSpan(new RelativeSizeSpan(2f), 0,5, 0);
holder.mTime.setText(mtime);
holder.mTitle.setText(myAlarms.getALARM_TITLE());
holder.mTitle.setTag(myAlarms.getALARM_ID());
String mStatus = myAlarms.getALARM_STATUS();
if(mStatus.equals("Active") && !holder.mbtn.isChecked()){
holder.mbtn.setChecked(true);
}else{
holder.mbtn.setChecked(false);
}
}
@Override
public int getItemCount() {
return myAlarmsdata.size();
}
public class MyViewHolder extends RecyclerView.ViewHolder {
TextView mTime,mTitle;
com.suke.widget.SwitchButton mbtn;
public RelativeLayout viewBackground;
public RelativeLayout viewForeground;
public MyViewHolder(View itemView) {
super(itemView);
mTime = (TextView) itemView.findViewById(R.id.mTime);
mTitle = (TextView) itemView.findViewById(R.id.mTitle);
mbtn = (com.suke.widget.SwitchButton)itemView.findViewById(R.id.mbtn);
viewBackground = itemView.findViewById(R.id.view_background);
viewForeground = itemView.findViewById(R.id.view_foreground);
database_helper = new Database_Helper(mContext);
mbtn.setOnCheckedChangeListener(new SwitchButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(SwitchButton view, boolean isChecked) {
if(isChecked == false) {
String mStatus = "InActive";
Integer mRowId = (Integer) mTitle.getTag();
database_helper.updateStatus(mRowId,mStatus);
}else{
if(isChecked == true){
String mStatus = "Active";
Integer mRowId = (Integer) mTitle.getTag();
database_helper.updateStatus(mRowId,mStatus);
}
}
}
});
}
}
public void removeItem(int position) {
myAlarmsdata.remove(position);
notifyItemRemoved(position);
//need to get the data by using the adapter position
}
}有人能帮我用适配器的位置来获取数据吗..。
发布于 2018-06-17 11:53:07
你把它放在myAlarmsdata里了。
public void removeItem(int position) {
myAlarms myAlarms = myAlarmsdata.get(position);
int id = myAlarms.getALARM_ID();
myAlarmsdata.remove(position);
notifyItemRemoved(position);
// use id to get the data by using the adapter position
}我没猜错你吗?
https://stackoverflow.com/questions/50896311
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