1 forms定义接口
2
3 using System;
4
5 namespace
6 {
7 public interface ISystemToast
8 {
9 void DisplayToast(string message);
10 }
11 }
12
13
14 平台实现
15
16 using System;
17
18 using Android.App;
19 using Android.OS;
20 using Android.Views;
21 using Android.Widget;
22 using Android.Content;
23
24 using Xamarin.Forms;
25
26 using.TDroid;
27
28 [assembly:Dependency(typeof(SystemToast))]
29 namespace.TDroid
30 {
31 public class SystemToast : Java.Lang.Object,ISystemToast
32 {
33 public void DisplayToast(string message)
34 {
35 Toast.MakeText (Android.App.Application.Context,message,ToastLength.Short).Show ();
36 }
37 }
38 }