我正在尝试对复选框进行分组,以便在选中时取消选中另一个复选框。我动态地添加它们,当我添加它们时,我给它们一个单击事件侦听器,但是侦听器只在添加的最后一对复选框上被调用,而不在其他复选框上被调用。因此,我有6对复选框,但只有最后一对调用单击事件侦听器。这是我尝试过的:
foreach (KeyValuePair<string, string> pair in parametros)
{
LinearLayout inner_container = new LinearLayout(this);
inner_container.Orientation = Orientation.Vertical;
TextView tt = new TextView(this);
tt.Text = pair.Value;
inner_container.AddView(tt);
LinearLayout horizontal = new LinearLayout(this);
horizontal.Orientation = Orientation.Horizontal;
ckb_conforme = new CheckBox(this);
ckb_conforme.Text = "Conforme";
list_ckb.Add(ckb_conforme);
list_ckb_conforme.Add(ckb_conforme);
ckb_nao_conforme = new CheckBox(this);
ckb_nao_conforme.Text = "Não Conforme";
list_ckb_nao_conforme.Add(ckb_nao_conforme);
// Make only one checkbox selected
ckb_conforme.Click += (sender, args) =>
{
if (ckb_conforme.Checked)
ckb_nao_conforme.Checked = !ckb_conforme.Checked;
};
ckb_nao_conforme.Click += (sender, args) =>
{
if (ckb_nao_conforme.Checked)
ckb_conforme.Checked = !ckb_nao_conforme.Checked;
};
//ckb_conforme.SetOnCheckedChangeListener(OnCheckedChanged(ckb_conforme, false));
//ckb_nao_conforme.SetOnCheckedChangeListener(OnCheckedChanged(ckb_nao_conforme, false));
horizontal.AddView(ckb_conforme);
horizontal.AddView(ckb_nao_conforme);
inner_container.AddView(horizontal);
params_container.AddView(inner_container);
}因此,我尝试将每个复选框放入复选框列表中,然后遍历它们,并将其属性设置为选中的已更改事件侦听器:
for (int i = 0; i < list_ckb_conforme.Count - 1; i++)
{
list_ckb_conforme[i].CheckedChange += (sender, args) =>
{
if (list_ckb_conforme[i].Checked)
list_ckb_nao_conforme[i].Checked = !list_ckb_conforme[i].Checked;
};
list_ckb_nao_conforme[i].CheckedChange += (sender, args) =>
{
if (list_ckb_nao_conforme[i].Checked)
list_ckb_conforme[i].Checked = !list_ckb_nao_conforme[i].Checked;
};
}这也不起作用,如何在创建复选框时将复选框成对组合在一起,并为它们提供选中的已更改事件侦听器?
发布于 2021-08-13 02:32:43
单选按钮是进行单选的更好选择。以下是您可能需要的一些文档:https://docs.microsoft.com/en-us/xamarin/xamarin-forms/user-interface/radiobutton
接口:
https://docs.microsoft.com/en-us/dotnet/api/xamarin.forms.radiobutton?view=xamarin-forms
此外,您可以根据不同的情况尝试使用picker:
https://docs.microsoft.com/en-us/xamarin/xamarin-forms/user-interface/picker/
https://stackoverflow.com/questions/68756382
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