BREAKING CHANGE: use extension commands for deprecated endpoints

src/Appium.Net/Appium/AppiumCommand.cs

@@ -90,9 +90,6 @@ public class AppiumCommand
 
             #endregion
 
-            // TODO: Use mobile:shake
-            new AppiumCommand(HttpCommandInfo.PostCommand, AppiumDriverCommand.ShakeDevice,
-                "/session/{sessionId}/appium/device/shake"),
             // TODO: Use mobile:pressKey
             new AppiumCommand(HttpCommandInfo.PostCommand, AppiumDriverCommand.PressKeyCode,
                 "/session/{sessionId}/appium/device/press_keycode"),
@@ -148,9 +145,6 @@ public class AppiumCommand
 
             #endregion (WinAppDriver) legacy app management
 
-            // TODO: Use mobile:backgroundApp
-            new AppiumCommand(HttpCommandInfo.PostCommand, AppiumDriverCommand.BackgroundApp,
-                "/session/{sessionId}/appium/app/background"),
             // TODO: Remove
             new AppiumCommand(HttpCommandInfo.PostCommand, AppiumDriverCommand.EndTestCoverage,
                 "/session/{sessionId}/appium/app/end_test_coverage"),

src/Appium.Net/Appium/AppiumDriver.cs

@@ -190,13 +190,27 @@ public void PushFile(string pathOnDevice, FileInfo file) =>
         public void FingerPrint(int fingerprintId) =>
             AppiumCommandExecutionHelper.FingerPrint(this, fingerprintId);
 
-        public void BackgroundApp() =>
-            Execute(AppiumDriverCommand.BackgroundApp,
-                AppiumCommandExecutionHelper.PrepareArgument("seconds", -1));
+        public void BackgroundApp() {
+            Execute(DriverCommand.ExecuteScript, new Dictionary<string, object> {
+                ["script"] = "mobile:backgroundApp",
+                ["args"] = new object[] {
+                    new Dictionary<string, object> {
+                        ["seconds"] = -1
+                    }
+                }
+            });
+        }
 
-        public void BackgroundApp(TimeSpan timeSpan) =>
-            Execute(AppiumDriverCommand.BackgroundApp,
-                AppiumCommandExecutionHelper.PrepareArgument("seconds", timeSpan.TotalSeconds));
+        public void BackgroundApp(TimeSpan timeSpan) {
+                        Execute(DriverCommand.ExecuteScript, new Dictionary<string, object> {
+                ["script"] = "mobile:backgroundApp",
+                ["args"] = new object[] {
+                    new Dictionary<string, object> {
+                        ["seconds"] = timeSpan.TotalSeconds
+                    }
+                }
+            });
+        }
 
         public AppState GetAppState(string appId) =>
             (AppState)Convert.ToInt32(Execute(AppiumDriverCommand.GetAppState,

src/Appium.Net/Appium/iOS/IOSCommandExecutionHelper.cs

@@ -26,8 +26,12 @@ namespace OpenQA.Selenium.Appium.iOS
 {
     public sealed class IOSCommandExecutionHelper
     {
-        public static void ShakeDevice(IExecuteMethod executeMethod) =>
-            executeMethod.Execute(AppiumDriverCommand.ShakeDevice);
+        public static void ShakeDevice(IExecuteMethod executeMethod) {
+            executeMethod.Execute(DriverCommand.ExecuteScript, new Dictionary<string, object> {
+                ["script"] = "mobile: shake",
+                ["args"] = new object[] {}
+            });
+        }
 
         public static void PerformTouchID(IExecuteMethod executeMethod, bool match) =>
             executeMethod.Execute(AppiumDriverCommand.TouchID,