我创建了一个 DialogFragment 并且我想添加一个 EditText 但是当我尝试像这样添加它时:
final EditText input = new EditText(this);
我在“this”上收到错误消息,说“构造函数 EditText(EncryptionDialogFragment) 未定义”。
我的最终目标是让用户以这种方式输入密码。
public class EncryptionDialogFragment extends DialogFragment {
final EditText input = new EditText(this);
static EncryptionDialogFragment newInstance(String title){
EncryptionDialogFragment fragment = new EncryptionDialogFragment();
Bundle args = new Bundle();
args.putString("title", title);
fragment.setArguments(args);
return fragment;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
return new AlertDialog.Builder(getActivity())
.setIcon(R.drawable.ic_launcher)
.setTitle("Enter Password:")
.setView(input)
.setPositiveButton("OK",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
((MainActivity)getActivity()).doPositiveClick();
}
})
.setNegativeButton("Cancel",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
((MainActivity)getActivity()).doNegativeClick();
}
}).create();
}
}