在我的RecycerView适配器类中实现Android底层表

Question

     public class AddAtendanceAdapter extends      
        RecyclerView.Adapter<AddAtendanceAdapter.AttendanceViewHolder> {
        public List<Details> dAttendance = Collections.emptyList();

        private LayoutInflater inflater;
        private static Context context;

        private View v;




        public AddAtendanceAdapter(Context context, List<Details> dAttendance) {
            this.dAttendance = dAttendance;
            this.context = context;
            inflater = LayoutInflater.from(context);
        }

        @Override
        public AttendanceViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
            View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.student_item_row,
    parent, false);
            AttendanceViewHolder pvh = new AttendanceViewHolder(v);
            return pvh;
        }

        @Override
        public void onBindViewHolder(AttendanceViewHolder holder, int postions) {
            Details details = dAttendance.get(postions);
            holder.StudentsName.setText(details.getStudentName());
            Glide.with(context)
                    .load(details.getStudentImage())
                    .into(holder.stdImg);

        }

        @Override
        public int getItemCount() {
            if (dAttendance != null) {
                return dAttendance.size();
            }
            return 0;
        }


        @Override
        public void onAttachedToRecyclerView(RecyclerView recyclerView) {
            super.onAttachedToRecyclerView(recyclerView);
        }

        public static class AttendanceViewHolder extends RecyclerView.ViewHolder {



            TextView StudentsName;
            CircleImageView stdImg;
            private  Activity activity;
            AttendanceViewHolder(View itemView) {
                super(itemView);
                StudentsName = (TextView) itemView.findViewById(R.id.txtStdName);
                stdImg = (CircleImageView) itemView.findViewById(R.id.stdImg);
                itemView.setOnLongClickListener(new View.OnLongClickListener() {
                    @Override
                    public boolean onLongClick(View v) {
                        Log.d("juu","hhh");
                        openBottomSheet(v);

                        return false;
                    }
                });


            }
            private  void openBottomSheet(View v) {
           //View view = activity.getLayoutInflater ().inflate (R.layout.bottom_sheet, null);
               // View view = inflater.inflate( R.layout.bottom_sheet, null );

                LayoutInflater inflater = (LayoutInflater) context.getSystemService( Context.LAYOUT_INFLATER_SERVICE );
            View view = inflater.inflate (R.layout.bottom_sheet, null);
                TextView txtBackup = (TextView)view.findViewById(R.id.txt_backup);
                TextView txtDetail = (TextView)view.findViewById(R.id.txt_detail);
                TextView txtOpen = (TextView)view.findViewById(R.id.txt_open);
                final TextView txtUninstall = (TextView)view.findViewById( R.id.txt_uninstall);

                final Dialog mBottomSheetDialog = new Dialog (context, R.style.MaterialDialogSheet);
                mBottomSheetDialog.setContentView (view);
                mBottomSheetDialog.setCancelable (true);
                mBottomSheetDialog.getWindow ().setLayout (LinearLayout.LayoutParams.MATCH_PARENT,
    LinearLayout.LayoutParams.WRAP_CONTENT);
                mBottomSheetDialog.getWindow ().setGravity (Gravity.BOTTOM);
                mBottomSheetDialog.show ();


                txtBackup.setOnClickListener(new View.OnClickListener() {

                    @Override
                    public void onClick(View v) {
                        Toast.makeText(context,"Clicked Backup",Toast.LENGTH_SHORT).show();
                        mBottomSheetDialog.dismiss();
                    }
                });

                txtDetail.setOnClickListener(new View.OnClickListener() {

                    @Override
                    public void onClick(View v) {
                        Toast.makeText(context,"Clicked Detail",Toast.LENGTH_SHORT).show();
                        mBottomSheetDialog.dismiss();
                    }
                });

                txtOpen.setOnClickListener(new View.OnClickListener() {

                    @Override
                    public void onClick(View v) {
                        Toast.makeText(context,"Clicked Open",Toast.LENGTH_SHORT).show();
                        mBottomSheetDialog.dismiss();
                    }
                });

                txtUninstall.setOnClickListener(new View.OnClickListener() {

                    @Override
                    public void onClick(View v) {
                        Toast.makeText(context,"Clicked Uninstall",Toast.LENGTH_SHORT).show();
                        mBottomSheetDialog.dismiss();
                    }
                });
            }

        }

}

Android.view.Windowmanager$BadTokenException：无法添加窗口--令牌null不适用于在Android.view.view.viewRootimpl.SetView（viewRootimpl.java:583)，在Android.view.WindowmanagerLobal.AddView（WindowmanagerLobal.java:310)，在Android.view.WindowmanagerImpl.AddView（WindowmanagerImpl.java:85)，在Android.view.WindowmanagerImpl.AddView（WindowmanagerImpl.java:85)，在eViewholder.Access$000(addatendanceAdapter.java:80)在in.edsys.teacherapp.adapters.addatendanceAdapter$AttendanceViewholder$1.onlongclick(addatendanceAdapter.java:95)

Answer 1

在适配器类中，可以使用底部工作表对话框或底部工作表对话框片段来显示底部工作表

BottomSheetDialog示例

 View view = ((FragmentActivity)context).getLayoutInflater().inflate(R.layout.fragment_bottom_sheet, null);
                BottomSheetDialog dialog = new BottomSheetDialog(mContext);
                dialog.setContentView(view);
                dialog.show();

您还可以使用BottomsheetDialogFragment

public class BottomsheetDialog extends BottomSheetDialogFragment {

@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup       container, @Nullable Bundle savedInstanceState) {
    View v=inflater.inflate(R.layout.fragment_bottom_sheet,container,false);
    return v;
}
}

BottomSheetDialogFragment bottomSheetDialogFragment = new BottomsheetDialog();               
bottomSheetDialogFragment.show(((FragmentActivity)mContext).getSupportFragmentManager(), bottomSheetDialogFragment.getTag());