[英]I can't get the text from edittext in recycler view java by using recycler view adapter with .get(position)
我是java编程的新手。 我正在尝试创建一个聊天应用程序,现在我想获取特定RecyclerView
布局EditText
的文本。 我使用以下代码作为回收器视图适配器代码。 但是在第 60 行获取mImagenames.get(position)
显示错误。我需要mImageNames.get(position)
正常工作。 任何帮助深表感谢。 提前致谢
public class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerViewAdapter.ViewHolder>
{
private List<item_type> mImageNames;
private Context mContext;
public RecyclerViewAdapter(List<item_type> mImageNames, Context mContext) {
this.mImageNames = mImageNames;
this.mContext = mContext;
}
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_list_item,parent,false);
ViewHolder holder =new ViewHolder(view);
return holder;
}
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, final int position) {
item_type type =mImageNames.get(position);
if("MSG_TYPE_GROUP".equals(type.getType())){
holder.imageNames.setText(type.getName());
holder.last_messages.setText("that trick won");
}
if("MSG_TYPE_PERSONAL".equals(type.getType())){
holder.imageName.setText(type.getName());
holder.last_message.setText("that was a nice trick");
}
holder.parentLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent =new Intent(mContext,ChatActivity.class);
intent.putExtra("usernames",mImageNames.get(position));
mContext.startActivity(intent);
}
});
holder.grouplayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent =new Intent(mContext,chat_group.class);
mContext.startActivity(intent);
}
});
}
@Override
public int getItemCount() {
return mImageNames.size();
}
public class ViewHolder extends RecyclerView.ViewHolder{
CircleImageView image,imagess;
TextView imageName,last_message,imageNames,last_messages;
RelativeLayout parentLayout,grouplayout;
public ViewHolder(@NonNull View itemView) {
super(itemView);
image=itemView.findViewById(R.id.images);
imageName=itemView.findViewById(R.id.imageName);
last_message=itemView.findViewById(R.id.last_mess);
parentLayout=itemView.findViewById(R.id.parent_layout);
imagess=itemView.findViewById(R.id.imagess);
imageNames=itemView.findViewById(R.id.imageNames);
last_messages=itemView.findViewById(R.id.last_messs);
grouplayout=itemView.findViewById(R.id.group);
}
}
}
查看您的代码后,很明显您正在尝试传递对象
intent.putExtra("usernames",mImageNames.get(position).getName());
如果您想传递名称,请尝试此操作。 如果您想将对象传递给下一个活动,您可以使该类可打包。
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