Android Toast in iPhone?

Question

When I write Android apps, I love the Toast feature. Is there a way to get this kind of set and forget popup message in iPhone development using MonoTouch (C# .NET)?

Answer 1

You could try my open source library TSMessages: https://github.com/toursprung/TSMessages

It's really easy to use and looks beautiful on iOS 5/6 and on iOS 7 as well.

Answer 2

MonoTouch Toast Version here. Inspired by Android.

To call it,

        ToastView t = new ToastView ("Email Sent", 1000);
        t.Show ();

Enum File:

public enum ToastGravity
{
    Top = 0,
    Bottom = 1,
    Center = 2
}

ToastSettings File:

using System;
using System.Drawing;
using MonoTouch.UIKit;
namespace General
{

    public class ToastSettings
    {
        public ToastSettings ()
        {
            this.Duration = 500;
            this.Gravity = ToastGravity.Center;
        }

        public int Duration
        {
            get;
            set;
        }

        public double DurationSeconds
        {
            get { return (double) Duration/1000 ;}

        }

        public ToastGravity Gravity
        {
            get;
            set;
        }

        public PointF Position
        {
            get;
            set;
        }


    }
}

Main Toast Class:

using System;
using MonoTouch.Foundation;
using MonoTouch.UIKit;
using System.Drawing;
using MonoTouch.ObjCRuntime;

namespace General
{
    public class ToastView : NSObject
    {

        ToastSettings theSettings = new ToastSettings ();

        private string text = null;
        UIView view;
        public ToastView (string Text, int durationMilliseonds)
        {
            text = Text;
            theSettings.Duration = durationMilliseonds;
        }

        int offsetLeft = 0;
        int offsetTop = 0;
        public ToastView SetGravity (ToastGravity gravity, int OffSetLeft, int OffSetTop)
        {
            theSettings.Gravity = gravity;
            offsetLeft = OffSetLeft;
            offsetTop = OffSetTop;
            return this;
        }

        public ToastView SetPosition (PointF Position)
        {
            theSettings.Position = Position;
            return this;
        }

        public void Show ()
        {
            UIButton v = UIButton.FromType (UIButtonType.Custom);
            view = v;

            UIFont font = UIFont.SystemFontOfSize (16);
            SizeF textSize = view.StringSize (text, font, new SizeF (280, 60));

            UILabel label = new UILabel (new RectangleF (0, 0, textSize.Width + 5, textSize.Height + 5));
            label.BackgroundColor = UIColor.Clear;
            label.TextColor = UIColor.White;
            label.Font = font;
            label.Text = text;
            label.Lines = 0;
            label.ShadowColor = UIColor.DarkGray;
            label.ShadowOffset = new SizeF (1, 1);


            v.Frame = new RectangleF (0, 0, textSize.Width + 10, textSize.Height + 10);
            label.Center = new PointF (v.Frame.Size.Width / 2, v.Frame.Height / 2);
            v.AddSubview (label);

            v.BackgroundColor = UIColor.FromRGBA (0, 0, 0, 0.7f);
            v.Layer.CornerRadius = 5;

            UIWindow window = UIApplication.SharedApplication.Windows[0];

            PointF point = new PointF (window.Frame.Size.Width / 2, window.Frame.Size.Height / 2);

            if (theSettings.Gravity == ToastGravity.Top)
            {
                point = new PointF (window.Frame.Size.Width / 2, 45);
            }
            else if (theSettings.Gravity == ToastGravity.Bottom)
            {
                point = new PointF (window.Frame.Size.Width / 2, window.Frame.Size.Height - 45);
            }
            else if (theSettings.Gravity == ToastGravity.Center)
            {
                point = new PointF (window.Frame.Size.Width / 2, window.Frame.Size.Height / 2);
            }
            else
            {
                point = theSettings.Position;
            }

            point = new PointF (point.X + offsetLeft, point.Y + offsetTop);
            v.Center = point;
            window.AddSubview (v);
            v.AllTouchEvents += delegate { HideToast (null); };

            NSTimer.CreateScheduledTimer (theSettings.DurationSeconds, HideToast);

        }


        void HideToast ()
        {
            UIView.BeginAnimations ("");
            view.Alpha = 0;
            UIView.CommitAnimations ();
        }

        void RemoveToast ()
        {
            view.RemoveFromSuperview ();
        }

    }
}

Answer 3

I modified John's answer as follows:

Toast.h

@interface Toast : NSObject

+ (void)toast:(NSString *)message
             :(UIView *) view
             :(int)delay;

@end

Toast.m

#import "Toast.h"

@interface Toast ()

@end

@implementation Toast

+ (void)toast:(NSString *)message
             :(UIView *) view
             :(int)delay
{
    CGRect initialFrame = CGRectMake(10, view.frame.size.height/2, 300, 40);
    UILabel *flashLabel=[[UILabel alloc] initWithFrame:initialFrame];
    flashLabel.font=[UIFont fontWithName:@"Optima-Italic" size:19.0];
    flashLabel.backgroundColor=[UIColor whiteColor];
    flashLabel.layer.cornerRadius=9.0f;
    flashLabel.clipsToBounds = YES;
    flashLabel.numberOfLines=3;
    flashLabel.textAlignment=NSTextAlignmentCenter;
    CGSize maxSize = CGSizeMake(flashLabel.frame.size.width, MAXFLOAT);
    CGRect labelRect = [message boundingRectWithSize:maxSize
                                             options:NSStringDrawingUsesLineFragmentOrigin
                                          attributes:@{NSFontAttributeName:flashLabel.font}
                                             context:nil];

    //adjust the label the the new height.
    CGRect newFrame = flashLabel.frame;
    newFrame.size.height = labelRect.size.height * 2;
    flashLabel.frame = newFrame;
    flashLabel.text=message;
    [view addSubview:flashLabel];
    flashLabel.alpha=1.0;
    view.userInteractionEnabled=FALSE;

    [UIView animateWithDuration:delay animations:^
    {
        flashLabel.alpha=0.0f;
    }

    completion:^(BOOL finished)
    {
        view.userInteractionEnabled=TRUE;
        [flashLabel removeFromSuperview];
    }];
}

@end

Answer 4

You might be after Local Notifications, pretty sure they allow you to set a time, I think in epoch time to be fired off. Don't think there is a way to hide them though. I might be misunderstanding your question though cause I'm unfamiliar with Toast.

Answer 5

You can use this link for objective-c code for Toast

http://code.google.com/p/toast-notifications-ios/source/browse/trunk/

While this link for its usage

http://code.google.com/p/toast-notifications-ios/wiki/HowToUse

which could be like any one of the below samples

[[iToast makeText:NSLocalizedString(@"The activity has been successfully saved.", @"")] show];

[[[iToast makeText:NSLocalizedString(@"The activity has been successfully saved.", @"")] 
                          setGravity:iToastGravityBottom] show];

[[[[iToast makeText:NSLocalizedString(@"Something to display a very long time", @"")] 
                  etGravity:iToastGravityBottom] setDuration:iToastDurationLong] show];

Answer 6

Are you looking for something like UIAlertView?