added isAvailable ChromeSafariBrowser static method

CHANGELOG.md

@@ -4,6 +4,7 @@
 - Added `onCloseWindow`, `onTitleChanged`, `onWindowFocus`, `onWindowBlur` webview events
 - Added `androidOnRequestFocus`, `androidOnReceivedIcon`, `androidOnReceivedTouchIconUrl`, `androidOnJsBeforeUnload`, `androidOnReceivedLoginRequest` Android-specific webview events
 - Added `disableDefaultErrorPage` Android-specific webview option
+- Added `isAvailable` ChromeSafariBrowser static method
 - Fixed "SFSafariViewController doesn't open like a native iOS modal" [#403](https://github.com/pichillilorenzo/flutter_inappwebview/issues/403)
 
 ### BREAKING CHANGES

README.md

@@ -1256,6 +1256,7 @@ Screenshots:
 * `close`: Closes the `ChromeSafariBrowser` instance.
 * `addMenuItem`: Adds a `ChromeSafariBrowserMenuItem` to the menu.
 * `addMenuItems`: Adds a list of `ChromeSafariBrowserMenuItem` to the menu.
+* `static isAvailable`: On Android, returns `true` if Chrome Custom Tabs is available. On iOS, returns `true` if SFSafariViewController is available. Otherwise returns `false`.
 
 #### `ChromeSafariBrowser` options
 

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/ChromeSafariBrowserManager.java

@@ -49,6 +49,9 @@ public class ChromeSafariBrowserManager implements MethodChannel.MethodCallHandl
           open(activity, uuid, url, options, menuItemList, uuidFallback, headersFallback, optionsFallback, contextMenuFallback, windowIdFallback, result);
         }
         break;
+      case "isAvailable":
+        result.success(CustomTabActivityHelper.isAvailable(activity));
+        break;
       default:
         result.notImplemented();
     }

example/.flutter-plugins-dependencies

@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"e2e","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/e2e-0.2.4+4/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.10/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.0.1/","dependencies":[]}],"android":[{"name":"e2e","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/e2e-0.2.4+4/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.10/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.0.1/","dependencies":[]}],"macos":[{"name":"path_provider_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-0.0.4+3/","dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-0.0.1+1/","dependencies":[]}],"windows":[],"web":[]},"dependencyGraph":[{"name":"e2e","dependencies":[]},{"name":"flutter_downloader","dependencies":[]},{"name":"flutter_inappwebview","dependencies":[]},{"name":"path_provider","dependencies":["path_provider_macos","path_provider_linux"]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_macos","dependencies":[]},{"name":"permission_handler","dependencies":[]}],"date_created":"2020-06-29 17:43:40.301350","version":"1.17.4"}
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"e2e","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/e2e-0.2.4+4/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.10/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.0.1/","dependencies":[]}],"android":[{"name":"e2e","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/e2e-0.2.4+4/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.10/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.0.1/","dependencies":[]}],"macos":[{"name":"path_provider_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-0.0.4+3/","dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-0.0.1+1/","dependencies":[]}],"windows":[],"web":[]},"dependencyGraph":[{"name":"e2e","dependencies":[]},{"name":"flutter_downloader","dependencies":[]},{"name":"flutter_inappwebview","dependencies":[]},{"name":"path_provider","dependencies":["path_provider_macos","path_provider_linux"]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_macos","dependencies":[]},{"name":"permission_handler","dependencies":[]}],"date_created":"2020-06-30 14:26:38.633976","version":"1.17.4"}

example/ios/Flutter/flutter_export_environment.sh

@@ -2,7 +2,7 @@
 # This is a generated file; do not edit or check into version control.
 export "FLUTTER_ROOT=/Users/lorenzopichilli/flutter"
 export "FLUTTER_APPLICATION_PATH=/Users/lorenzopichilli/Desktop/flutter_inappwebview/example"
-export "FLUTTER_TARGET=/Users/lorenzopichilli/Desktop/flutter_inappwebview/example/test_driver/app.dart"
+export "FLUTTER_TARGET=/Users/lorenzopichilli/Desktop/flutter_inappwebview/example/lib/main.dart"
 export "FLUTTER_BUILD_DIR=build"
 export "SYMROOT=${SOURCE_ROOT}/../build/ios"
 export "OTHER_LDFLAGS=$(inherited) -framework Flutter"

ios/Classes/ChromeSafariBrowserManager.swift

@@ -29,10 +29,10 @@ public class ChromeSafariBrowserManager: NSObject, FlutterPlugin {
     
     public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
         let arguments = call.arguments as? NSDictionary
-        let uuid: String = arguments!["uuid"] as! String
 
         switch call.method {
             case "open":
+                let uuid: String = arguments!["uuid"] as! String
                 let url = arguments!["url"] as! String
                 let options = arguments!["options"] as! [String: Any?]
                 let menuItemList = arguments!["menuItemList"] as! [[String: Any]]
@@ -45,6 +45,13 @@ public class ChromeSafariBrowserManager: NSObject, FlutterPlugin {
                      headersFallback: headersFallback, optionsFallback: optionsFallback, contextMenuFallback: contextMenuFallback,
                      windowIdFallback: windowIdFallback, result: result)
                 break
+            case "isAvailable":
+                if #available(iOS 9.0, *) {
+                    result(true)
+                } else {
+                    result(false)
+                }
+                break
             default:
                 result(FlutterMethodNotImplemented)
                 break

lib/src/chrome_safari_browser.dart

@@ -109,6 +109,14 @@ class ChromeSafariBrowser {
     });
   }
 
+  ///On Android, returns `true` if Chrome Custom Tabs is available.
+  ///On iOS, returns `true` if SFSafariViewController is available.
+  ///Otherwise returns `false`.
+  static Future<bool> isAvailable() async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    return await _sharedChannel.invokeMethod("isAvailable", args);
+  }
+
   ///Event fires when the [ChromeSafariBrowser] is opened.
   void onOpened() {}