fixing a problem in safari webview and adding tabs to examples

.gitignore

 .DS_Store
 .dart_tool/
 
+.vscode/
 .packages
 .pub/
 pubspec.lock

example/lib/chrome_safari_example.screen.dart

+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_inappbrowser/flutter_inappbrowser.dart';
+
+class MyChromeSafariBrowser extends ChromeSafariBrowser {
+  MyChromeSafariBrowser(browserFallback) : super(browserFallback);
+  @override
+  void onOpened() {
+    print("ChromeSafari browser opened");
+  }
+
+  @override
+  void onLoaded() {
+    print("ChromeSafari browser loaded");
+  }
+
+  @override
+  void onClosed() {
+    print("ChromeSafari browser closed");
+  }
+}
+
+class ChromeSafariExampleScreen extends StatefulWidget {
+  final ChromeSafariBrowser browser = new MyChromeSafariBrowser(new InAppBrowser());
+  @override
+  _ChromeSafariExampleScreenState createState() => new _ChromeSafariExampleScreenState();
+}
+
+class _ChromeSafariExampleScreenState extends State<ChromeSafariExampleScreen> {
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return new Center(
+      child: new RaisedButton(
+          onPressed: () async {
+            await widget.browser.open("https://flutter.io/");
+          },
+          child: Text("Open Chrome Safari Browser")),
+    );
+  }
+}

example/lib/inline_example.screen.dart

+import 'package:flutter/material.dart';
+import 'package:flutter_inappbrowser/flutter_inappbrowser.dart';
+
+class InlineExampleScreen extends StatefulWidget {
+  @override
+  _InlineExampleScreenState createState() => new _InlineExampleScreenState();
+}
+
+class _InlineExampleScreenState extends State<InlineExampleScreen> {
+  InAppWebViewController webView;
+  String url = "";
+  double progress = 0;
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+        child: Column(children: <Widget>[
+      Container(
+        padding: EdgeInsets.all(20.0),
+        child: Text(
+            "CURRENT URL\n${(url.length > 50) ? url.substring(0, 50) + "..." : url}"),
+      ),
+      Container( 
+        padding: EdgeInsets.all(10.0),
+        child: progress < 1.0 ? LinearProgressIndicator(value: progress) : null
+      ),
+      Expanded(
+        child: Container(
+          margin: const EdgeInsets.all(10.0),
+          decoration:
+              BoxDecoration(border: Border.all(color: Colors.blueAccent)),
+          child: InAppWebView(
+            initialUrl: "https://flutter.io/",
+            initialHeaders: {},
+            initialOptions: {},
+            onWebViewCreated: (InAppWebViewController controller) {
+              webView = controller;
+            },
+            onLoadStart: (InAppWebViewController controller, String url) {
+              print("started $url");
+              setState(() {
+                this.url = url;
+              });
+            },
+            onProgressChanged:
+                (InAppWebViewController controller, int progress) {
+              setState(() {
+                this.progress = progress / 100;
+              });
+            },
+          ),
+        ),
+      ),
+      ButtonBar(
+        alignment: MainAxisAlignment.center,
+        children: <Widget>[
+          RaisedButton(
+            child: Icon(Icons.arrow_back),
+            onPressed: () {
+              if (webView != null) {
+                webView.goBack();
+              }
+            },
+          ),
+          RaisedButton(
+            child: Icon(Icons.arrow_forward),
+            onPressed: () {
+              if (webView != null) {
+                webView.goForward();
+              }
+            },
+          ),
+          RaisedButton(
+            child: Icon(Icons.refresh),
+            onPressed: () {
+              if (webView != null) {
+                webView.reload();
+              }
+            },
+          ),
+        ],
+      ),
+    ]));
+  }
+}

example/lib/webview_example.screen.dart

+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_inappbrowser/flutter_inappbrowser.dart';
+
+class MyInappBrowser extends InAppBrowser {
+   @override
+ Future onBrowserCreated() async {
+   print("\n\nBrowser Ready!\n\n");
+ }
+
+ @override
+ Future onLoadStart(String url) async {
+   print("\n\nStarted $url\n\n");
+ }
+
+ @override
+ Future onLoadStop(String url) async {
+   print("\n\nStopped $url\n\n");
+ }
+
+ @override
+ Future onScrollChanged(int x, int y) async {
+   print("Scrolled: x:$x y:$y");
+ }
+
+ @override
+ void onLoadError(String url, int code, String message) {
+   print("Can't load $url.. Error: $message");
+ }
+
+ @override
+ void onProgressChanged(int progress) {
+   print("Progress: $progress");
+ }
+
+ @override
+ void onExit() {
+   print("\n\nBrowser closed!\n\n");
+ }
+
+ @override
+ void shouldOverrideUrlLoading(String url) {
+   print("\n\n override $url\n\n");
+   this.webViewController.loadUrl(url);
+ }
+
+ @override
+ void onLoadResource(
+     WebResourceResponse response, WebResourceRequest request) {
+   print("Started at: " +
+       response.startTime.toString() +
+       "ms ---> duration: " +
+       response.duration.toString() +
+       "ms " +
+       response.url);
+ }
+
+ @override
+ void onConsoleMessage(ConsoleMessage consoleMessage) {
+   print(consoleMessage.message);
+ }
+  
+}
+
+class WebviewExampleScreen extends StatefulWidget {
+  final InAppBrowser browser = new InAppBrowser();
+  @override
+  _WebviewExampleScreenState createState() => new _WebviewExampleScreenState();
+}
+
+class _WebviewExampleScreenState extends State<WebviewExampleScreen> {
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return new Center(
+      child: new RaisedButton(
+          onPressed: ()  {
+            widget.browser.open(url:"https://flutter.io/");
+          },
+          child: Text("Open Webview Browser")),
+    );
+  }
+}

ios/Classes/InAppWebView.swift

@@ -26,7 +26,7 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
         scrollView.delegate = self
     }
     
-    required init(coder aDecoder: NSCoder) {
+    required public init(coder aDecoder: NSCoder) {
         super.init(coder: aDecoder)!
     }
     

lib/flutter_inappbrowser.dart

@@ -487,6 +487,7 @@ class ChromeSafariBrowser {
     args.putIfAbsent('headers', () => headersFallback);
     args.putIfAbsent('options', () => options);
     args.putIfAbsent('optionsFallback', () => optionsFallback);
+    args.putIfAbsent('isData', () => false);
     args.putIfAbsent('useChromeSafariBrowser', () => true);
     await _ChannelManager.channel.invokeMethod('open', args);
     this._isOpened = true;