就像標題所說,我怎樣才能從自定義對話框中找到的EditText中獲取文本?如何從對話框中的edittext中獲取文本
這是從我的dialogfragment的onCreateDialog方法:
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
LayoutInflater inflater = getActivity().getLayoutInflater();
SharedPreferences sharedPref = getActivity().getPreferences(Context.MODE_PRIVATE);
final SharedPreferences.Editor editor = sharedPref.edit();
builder.setView(inflater.inflate(R.layout.name_dialog, null))
.setPositiveButton(R.string.name_ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
EditText nameEditText = (EditText) getActivity().findViewById(R.id.name_text_view);
editor.putString(getString(R.string.name_key), nameEditText.getText().toString());
editor.commit();
}
})
.setNegativeButton(R.string.name_cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
NameDialogFragment.this.getDialog().cancel();
}
});
return builder.create();
}
我無法得到它的工作..我寫的東西的EditText然後我按OK,它只是崩潰,並給了我一個空指針錯誤在這條線:
editor.putString(getString(R.string.name_key), nameEditText.getText().toString());
'(EditText上)getActivity()' - >'(EditText上)dialog' – njzk2 2014-09-24 13:57:24