[英]No default Radio button selected
I need a dialog like this 我需要这样的对话框
but I can't find the way to do a RadioButton
dialog with no option selected by default. 但我找不到默认不选择任何选项的“ RadioButton
对话框的方法。 I try with a null where you select the default button, but it doesn't work. 我尝试使用null来选择默认按钮,但是它不起作用。 Any ideas? 有任何想法吗?
Here is my code: 这是我的代码:
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setTitle(titulo)
.setSingleChoiceItems(items, 0, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dlgRadiobuttonsListener.seleccionadoRB(DlgRadiobuttons.this, getResources().getStringArray(items)[which]);
}
});
return builder.create();
}
The second parameter of setSingleChoiceItems is the index of the item to be selected, passing -1 will make android to not select anyone. setSingleChoiceItems的第二个参数是要选择的项目的索引,传递-1将使android不选择任何人。
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setTitle(titulo)
.setSingleChoiceItems(items, -1, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dlgRadiobuttonsListener.seleccionadoRB(DlgRadiobuttons.this, getResources().getStringArray(items)[which]);
}
});
return builder.create();
}
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