我想從用戶的名字和姓氏以及動態輸入數量的變化;同時驗證輸入不起作用。Android在edittext中驗證用戶輸入不適用於適配器?
驗證的代碼是;
public class IndividualAdapter extends ArrayAdapter<Individual> {
List<Individual> individualList;
LayoutInflater vi;
ViewHolder holder;
public IndividualAdapter(Context context, List<Individual> objects) {
super(context, R.layout.inidividual_list, objects);
vi = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
individualList = objects;
}
static class ViewHolder {
public EditText edtfName;
public EditText edtlName;
private TextView txtType;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
Individual ind = getItem(position);
if (v == null) {
holder = new ViewHolder();
v = vi.inflate(R.layout.inidividual_list, parent, true);
holder.edtfName = (EditText)findViewById(R.id.fst_name);
holder.edtlName = (EditText)findViewById(R.id.lst_name);
holder.txtType = (TextView)findViewById(R.id.typeValue);
}
holder.txtType.setText(ind.getType());
String fName = holder.edtfName.getText().toString().trim();
String lName = holder.edtlName.getText().toString().trim();
if (fName.equals(" ")) {
holder.edtfName.setError("First Name Can not be empty");
holder.edtfName.setText("First Name Can not be empty");
}
if (lName.equals(" ")) {
holder.edtlName.setError("Last Name Can not be empty");
holder.edtlName.setText("Last Name Can not be empty");
}
return v;
}
}
只要我在提交文本字段後點擊下一個按鈕,我的應用就會崩潰。
沒有填充字段,它不顯示任何錯誤。
謝謝,我想如上面提到的,但所有的解決方案,這是什麼事,我通過這個活動它翔ws錯誤輸入anydata之前編輯文本字段,並在我輸入後需要傳遞給下一個活動,但它不? – 2015-03-26 05:22:38