C# AlertDialog.Builder.Create方法代码示例

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

#if __ANDROID_14__
            Window.RequestFeature(WindowFeatures.ActionBar);
            ActionBar.SetDisplayHomeAsUpEnabled(ViewModel.CanGoBack);
#endif

            SetContentView(Resource.Layout.identityproviderlistview);

            _loadingToken = ViewModel.WeakSubscribe(() => ViewModel.LoadingIdentityProviders, (sender, args) =>
            {
                if (ViewModel.LoadingIdentityProviders)
                    LoadingDialog.Show();
                else
                    LoadingDialog.Dismiss();

                InvalidateOptionsMenu();
            });

            ViewModel.LoginError += (sender, args) =>
            {
                var builder = new AlertDialog.Builder(this);
                builder.SetTitle("Error");
                builder.SetIcon(Android.Resource.Drawable.IcDialogAlert);
                builder.SetMessage(args.Message);
                builder.SetPositiveButton("Dismiss", (s, e) => { });
                builder.Create().Show();
            };
        }

		protected override void WriteLine(string textLine, LogEvent logEvent)
		{
			if (_activity == null)
				return;

			_activity.RunOnUiThread(() =>
			{
			    try
			    {
                    var adBuilder = new AlertDialog.Builder(_activity);
                    adBuilder.SetTitle(string.Format("LogWriter: {0}", logEvent.Logger.LoggingType.Name));
                    adBuilder.SetMessage(textLine);
                    adBuilder.SetNegativeButton("OK", (s, e) =>
                    {
                        var alertDialog = s as AlertDialog;
                        if (alertDialog != null)
                        {
                            alertDialog.Dismiss();
                            alertDialog.Cancel();
                        }
                    });

                    adBuilder.Create().Show();
			    }
			    catch (Exception e)
			    {
                    // TODO detta måste fixas
			        // something went terribly wrong
			    }
				
			});
		}

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate (bundle);

            using (var db = new SQLiteConnection (dbPath)) {
                db.CreateTable<LogEntry> ();
            }

            // Set our view from the "main" layout resource
            SetContentView (Resource.Layout.Main);

            // Create our database if it does not already exist

            // Get our button from the layout resource,
            // and attach an event to it
            Button addFood = FindViewById<Button> (Resource.Id.AddFoodButton);

            addFood.Click += (object sender, EventArgs e) =>
            {
                AlertDialog.Builder addFoodDialogBuilder = new AlertDialog.Builder(this);
                addFoodDialogBuilder.SetTitle ("I had something to eat and it was:");
                addFoodDialogBuilder.SetSingleChoiceItems (choices, -1, clickFoodDialogList);

                addFoodDialog = addFoodDialogBuilder.Create();
                // Show the alert dialog to the user and wait for response.
                addFoodDialog.Show();
            };
        }

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);
            String extra = Intent.GetStringExtra("User") ?? "Data not available";

            var builder = new AlertDialog.Builder(this);
            builder.SetTitle("Logged in");
            builder.SetMessage(extra);
            builder.SetPositiveButton("Ok", delegate { Finish(); });
            builder.Create().Show();

            // Create your application here
            SetContentView(Resource.Layout.Home);

            TextView textView = FindViewById<TextView>(Resource.Id.textView_Username);
            textView.Text = extra;

            Button goToBogdan = FindViewById<Button>(Resource.Id.button_Veres);
            Button goToMiki = FindViewById<Button>(Resource.Id.button_Miki);

            goToBogdan.Click += (sender, args) =>
            {
                var bogdan = new Intent(this, typeof(Bogdan));
                StartActivity(bogdan);
            };

            goToMiki.Click += (sender, args) =>
            {
                var miki = new Intent(this, typeof(Miki));
                StartActivity(miki);
            };
        }

        public override Dialog OnCreateDialog(Bundle savedInstanceState)
        {

            AlertDialog.Builder dialog = new AlertDialog.Builder(Activity)
                .SetTitle(title)
                .SetPositiveButton("Got it", (sender, args) => { });

            LayoutInflater inflater = Activity.LayoutInflater;
            View view = inflater.Inflate(Resource.Layout.VideoHelpPopup, null);

            video = view.FindViewById<VideoView>(Resource.Id.helper_video);
            descriptionView = view.FindViewById<TextView>(Resource.Id.helper_explanation);
            descriptionView.SetText(description.ToCharArray(),0, description.Length);

            if (!string.IsNullOrEmpty(videoAdd))
            {
                video.Prepared += VideoPrepared;
                video.SetVideoURI(Uri.Parse(videoAdd));
                video.Touch += VideoTouched; 
                video.SetZOrderOnTop(true); // Removes dimming
            }
            else
            {
                LinearLayout holder = view.FindViewById<LinearLayout>(Resource.Id.helper_videoHolder);
                holder.Visibility = ViewStates.Gone;
            }

            dialog.SetView(view);

            return dialog.Create();
        }

 private void ButtonOnClick(object sender, EventArgs eventArgs)
 {
     var builder = new AlertDialog.Builder(this);
     builder.SetMessage("This is an Alert Dialog.");
     var dialog = builder.Create();
     dialog.Show();
 }

        void LoginToVk()
        {
            var auth = new OAuth2Authenticator (
                clientId: "",  // put your id here
                scope: "friends,video,groups",
                authorizeUrl: new Uri ("https://oauth.vk.com/authorize"),
                redirectUrl: new Uri ("https://oauth.vk.com/blank.html"));

            auth.AllowCancel = true;
            auth.Completed += (s, ee) => {
                if (!ee.IsAuthenticated) {
                    var builder = new AlertDialog.Builder (this);
                    builder.SetMessage ("Not Authenticated");
                    builder.SetPositiveButton ("Ok", (o, e) => { });
                    builder.Create().Show();
                    return;
                }
                else
                {
                    token = ee.Account.Properties ["access_token"].ToString ();
                    userId = ee.Account.Properties ["user_id"].ToString ();
                    GetInfo();
                }
            };
            var intent = auth.GetUI (this);
            StartActivity (intent);
        }

        public override bool OnOptionsItemSelected(Android.Views.IMenuItem item)
        {
            if (ViewModel.IsBusy)
                return base.OnOptionsItemSelected(item);

            switch (item.ItemId)
            {
                case Resource.Id.menu_about:
                    var builder = new AlertDialog.Builder(this);
                        builder
                        .SetTitle(Resource.String.menu_about)
                        .SetMessage(Resource.String.about)
                        .SetPositiveButton(Resource.String.ok, delegate {

                    });

                    AlertDialog alert = builder.Create();
                    alert.Show();
                    return true;
                case Resource.Id.menu_refresh:
                    ViewModel.RefreshLoginCommand.Execute(null);
                    return true;
            }
            return base.OnOptionsItemSelected(item);
        }

 public override Dialog OnCreateDialog(Bundle savedInstanceState)
 {
     base.OnCreate(savedInstanceState);
     // Begin building a new dialog.
     var builder = new AlertDialog.Builder(Activity);
     //Get the layout inflater
     var inflater = Activity.LayoutInflater;
     populate (listData);
     viewdlg = SetViewDelegate;
     var view = inflater.Inflate(Resource.Layout.ListCustView, null);
     listView = view.FindViewById<ListView> (Resource.Id.CustList);
     if (listView != null) {
         adapter = new GenericListAdapter<Trader> (this.Activity, listData,Resource.Layout.ListCustDtlView, viewdlg);
         listView.Adapter = adapter;
         listView.ItemClick += ListView_Click;
         txtSearch= view.FindViewById<EditText > (Resource.Id.txtSearch);
         butSearch= view.FindViewById<Button> (Resource.Id.butCustBack);
         butSearch.Text = "SEARCH";
         butSearch.SetCompoundDrawables (null, null, null, null);
         butSearch.Click+= ButSearch_Click;
         //txtSearch.TextChanged += TxtSearch_TextChanged;
         builder.SetView (view);
         builder.SetPositiveButton ("CANCEL", HandlePositiveButtonClick);
     }
     var dialog = builder.Create();
     //Now return the constructed dialog to the calling activity
     return dialog;
 }

        public bool showConfirmDialog(Context context, string info)
        {
            if (!prepareModal())
                return false;
            // reset choice
            mChoice = false;

            AlertDialog.Builder builder = new AlertDialog.Builder(context);
            builder.SetMessage(info);
            builder.SetCancelable(false);
            builder.SetPositiveButton("OK", (object o, Android.Content.DialogClickEventArgs e) =>
                {
                    this.mQuitModal = true;
                    this.mChoice = true;
                    builder.Dispose();
                });

            builder.SetNegativeButton("Cancel", (object o, Android.Content.DialogClickEventArgs e) =>
                {
                    mQuitModal = true;
                    mChoice = false;
                    builder.Dispose(); // probably wrong
                });

            AlertDialog alert = builder.Create();
            alert.Show();

            doModal();
            return mChoice;
        }

        public override bool OnOptionsItemSelected(IMenuItem item)
        {
            switch (item.ItemId)
            {
            case Resource.Id.mmenu_back:
                BackupDatabase ();
                return true;
            case Resource.Id.mmenu_downdb:
                var builderd = new AlertDialog.Builder(this);
                builderd.SetMessage("Confirm to download database from server ? All local data will be overwritten by the downloaded data.");
                builderd.SetPositiveButton("OK", (s, e) => { DownlooadDb ();;});
                builderd.SetNegativeButton("Cancel", (s, e) => { /* do something on Cancel click */ });
                builderd.Create().Show();
                return true;
            //			case Resource.Id.mmenu_Reset:
            //				//do something
            //				return true;
            case Resource.Id.mmenu_setting:
                StartActivity (typeof(SettingActivity));
                return true;
            case Resource.Id.mmenu_logoff:
                RunOnUiThread(() =>ExitAndLogOff()) ;
                return true;
            case Resource.Id.mmenu_downcompinfo:
                DownloadCompInfo ();
                return true;
            case Resource.Id.mmenu_clear:
                ClearPostedInv ();
                return true;
            }

            return base.OnOptionsItemSelected(item);
        }

 public static void HandleException(AggregateException ex, Activity activity)
 {
     AlertDialog.Builder builder = new AlertDialog.Builder(activity);
     builder.SetTitle("One or more Error(s)");
     builder.SetMessage("First:" + ex.InnerExceptions.First().Message);
     builder.Create().Show();
 }

 void GetInfo()
 {
     // создаем xml-документ
     XmlDocument xmlDocument = new XmlDocument ();
     // делаем запрос на получение имени пользователя
     WebRequest webRequest = WebRequest.Create ("https://api.vk.com/method/users.get.xml?&access_token=" + token);
     WebResponse webResponse = webRequest.GetResponse ();
     Stream stream = webResponse.GetResponseStream ();
     xmlDocument.Load (stream);
     string name =  xmlDocument.SelectSingleNode ("response/user/first_name").InnerText;
     // делаем запрос на проверку,
     webRequest = WebRequest.Create ("https://api.vk.com/method/groups.isMember.xml?group_id=20629724&access_token=" + token);
     webResponse = webRequest.GetResponse ();
     stream = webResponse.GetResponseStream ();
     xmlDocument.Load (stream);
     bool habrvk = (xmlDocument.SelectSingleNode ("response").InnerText =="1");
     // выводим диалоговое окно
     var builder = new AlertDialog.Builder (this);
     // пользователь состоит в группе "хабрахабр"?
     if (!habrvk) {
         builder.SetMessage ("Привет, "+name+"!\r\n\r\nТы не состоишь в группе habrahabr.Не хочешь вступить?");
         builder.SetPositiveButton ("Да", (o, e) => {
             // уточнив, что пользователь желает вступить, отправим запрос
             webRequest = WebRequest.Create ("https://api.vk.com/method/groups.join.xml?group_id=20629724&access_token=" + token);
              webResponse = webRequest.GetResponse ();
         });
         builder.SetNegativeButton ("Нет", (o, e) => {
         });
     } else {
         builder.SetMessage ("Привет, "+name+"!\r\n\r\nОтлично! Ты состоишь в группе habrahabr.");
         builder.SetPositiveButton ("Ок", (o, e) => {
         });
     }
     builder.Create().Show();
 }

        public override Dialog OnCreateDialog(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);

            // Build Password Dialog
            var builder = new AlertDialog.Builder(Activity);

            // Get Layout Inflater
            var inflator = Activity.LayoutInflater;

            // Inflate Layout For Password Dialog
            var dialogView = inflator.Inflate(Resource.Layout.AddReminderDialogFragment, null);

            // Initialize Properties
            ReminderEditText = dialogView.FindViewById<EditText>(Resource.Id.editTextReminder);

            // Set Positive & Negative Buttons
            builder.SetView(dialogView);
            builder.SetPositiveButton("Add Reminder", HandlePositiveButtonClick);
            builder.SetNegativeButton("Cancel", HandleNegativeButtonClick);

            // Build And Return Dialog
            var dialog = builder.Create();
            return dialog;
        }

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            SetContentView(Resource.Layout.identityproviderlistview);

            _loadingToken = ViewModel.WeakSubscribe(() => ViewModel.LoadingIdentityProviders, (sender, args) =>
            {
                if (ViewModel.LoadingIdentityProviders)
                    LoadingDialog.Show();
                else
                    LoadingDialog.Dismiss();

                InvalidateOptionsMenu();
            });

            ViewModel.LoginError += (sender, args) =>
            {
                var builder = new AlertDialog.Builder(this);
                builder.SetTitle("Error");
                builder.SetIcon(Android.Resource.Drawable.IcDialogAlert);
                builder.SetMessage(args.Message);
                builder.SetPositiveButton("Dismiss", (s, e) => { });
                builder.Create().Show();
            };
        }