public static class alertextension
{
public static void showalert(this activity activity ,string msg,string title = "", string btntext = "ok"){
alertdialog.builder builder = new alertdialog.builder(activity);
builder.settitle(title);
builder.setmessage(msg);
builder.setcancelable(false);
builder.setpositivebutton(btntext, delegate {
// it is alert ,keep it simple , do nothing here
});
builder.show();
}
}
浣跨敤鏃讹細
if(txtpwd.text != txtcfmpwd.text){
this.showalert("password and confirmed password not match");
}
以上就是c# 使用xamarin 开发应用 -- alert box的内容。