添加项目文件。

XXCpzs/Services/IDeviceOrientationService.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Xamarin.Forms.Internals;
+
+namespace XXCpzs.Services
+{
+    public enum DeviceOrientation
+    {
+        Undefined,
+        Landscape,
+        Portrait
+    }
+    public interface ICommonService
+    {
+        /// <summary>
+        /// 获取本地版本号
+        /// </summary>
+        /// <returns></returns>
+        string GetVersion();
+
+        void CloseApp();
+
+        /// <summary>
+        /// 升级App
+        /// </summary>
+        /// <param name="DownloadUrl">升级地址</param>
+        void UpdateApp(string DownloadUrl);
+
+        /// <summary>
+        /// 发送通知
+        /// </summary>
+        /// <param name="title">标题</param>
+        /// <param name="content">内容</param>
+         void SendNotity(string title, string content);
+    }
+}