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[英]Android RecyclerView -Multiple Edittext change simultaneously
[英]Multiple edittext in Recyclerview
我們正在制作一個可以分攤團體費用的應用程序。 為此,您可以選擇要與之共享下一份賬單的人。 我制作了一種“列表視圖項”,其中包含每個用戶的“借方”和“貸方”字段,並根據有多少人共享付款,將這些項添加到Recyclerview中。 但是,現在我試圖讀取在這些edittext中輸入的所有值,但我不知道如何。 在recyclerview中生成列表的代碼如下:
private void initRecyclerView() {
rvTransactions = (RecyclerView) findViewById(R.id.rvTransactions);
lmTransactions = new LinearLayoutManager(this);
rvTransactions.setLayoutManager(lmTransactions);
transactionAdapter = new RecyclerView.Adapter<CustomViewHolder>() {
@Override
public CustomViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.list_item_transaction, viewGroup, false);
return new CustomViewHolder(view);
}
@Override
public void onBindViewHolder(CustomViewHolder viewHolder, int i) {
viewHolder.noticeSubject.setText(participatingUsers.get(i).getFirstname() + " " + participatingUsers.get(i).getLastname());
}
@Override
public int getItemCount() {
return participatingUsers.size();
}
};
rvTransactions.setAdapter(transactionAdapter);
}
private class CustomViewHolder extends RecyclerView.ViewHolder {
private TextView noticeSubject;
private EditText userDebt,userCredit;
public CustomViewHolder(View itemView) {
super(itemView);
noticeSubject = (TextView) itemView.findViewById(R.id.tvTransactionUser);
userCredit = (EditText) findViewById(R.id.etTransactionPayed);
userDebt = (EditText) findViewById(R.id.etTransactionOwes);
}
}
PartitioningUsers對象是用戶列表。 用戶具有以下字段:
private int id;
private boolean isSelected;
private String firstname, lastname, email, password, api_key, creditcardnumber;
我希望能夠為所有用戶獲取在“已付”和“欠”編輯文本中輸入的值。
任何幫助將非常感激。
循環訪問RecyclerView的childCount並檢查以確保您閱讀的項目是CustomViewHolder類型,將其轉換為該類型並讀取EditText值。 就像是:
public void printAllEditTextValues(){
int childCount = rvTransactions.getChildCount();
for(int i = 0; i < childCount; i++){
if(rvTransactions.findViewHolderForLayoutPosition(i) instanceOf CustomViewHolder){
CustomViewHolder childHolder = (CustomViewHolder) rvTransactions.findViewHolderForLayoutPosition(i);
Log.d("EDIT_TEXT_1" , childHolder.userCredit.getText().toString());
Log.d("EDIT_TEXT_2" , childHolder.userDebt.getText().toString());
}
}
您的適配器缺少您的編輯文本的itemView.findViewById(int),請使用:
private class CustomViewHolder extends RecyclerView.ViewHolder {
private TextView noticeSubject;
private EditText userDebt,userCredit;
public CustomViewHolder(View itemView) {
super(itemView);
noticeSubject = (TextView) itemView.findViewById(R.id.tvTransactionUser);
userCredit = (EditText) itemView.findViewById(R.id.etTransactionPayed);
userDebt = (EditText) itemView.findViewById(R.id.etTransactionOwes);
}
}
希望這會有所幫助,祝您好運,並祝您編程愉快!
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