updating Android

android/build.gradle

@@ -25,8 +25,10 @@ android {
     compileSdkVersion 27
 
     defaultConfig {
-        minSdkVersion 16
+        minSdkVersion 17
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+        vectorDrawables.useSupportLibrary = true
     }
     lintOptions {
         disable 'InvalidPackage'
@@ -35,4 +37,6 @@ android {
 
 dependencies {
     implementation 'com.android.support:customtabs:27.1.1'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
 }

android/src/main/AndroidManifest.xml

+<?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.pichillilorenzo.flutter_inappbrowser">
 
-    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:theme="@style/AppTheme">
+        <activity android:name=".WebViewActivity"></activity>
+    </application>
 
 </manifest>
\ No newline at end of file

android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppBrowserOptions.java

+package com.pichillilorenzo.flutter_inappbrowser;
+
+import android.os.Build;
+import android.support.annotation.RequiresApi;
+import android.util.Log;
+
+import java.lang.reflect.Field;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.HashMap;
+
+public class InAppBrowserOptions {
+
+    boolean clearCache = false;
+    boolean clearSessionCache = false;
+    boolean spinner = true;
+    boolean hidden = false;
+    boolean toolbarTop = true;
+    String toolbarTopColor = "toolbarTopColor";
+    boolean hideUrlBar = false;
+    boolean enableViewportScale = false;
+    boolean keyboardDisplayRequiresUserAction = true;
+    boolean suppressesIncrementalRendering = false;
+    boolean allowsAirPlayForMediaPlayback = true;
+    boolean mediaTypesRequiringUserActionForPlayback = true;
+    boolean allowsBackForwardNavigationGestures = true;
+    boolean allowsLinkPreview = true;
+    boolean ignoresViewportScaleLimits = false;
+    boolean allowsInlineMediaPlayback = false;
+    boolean allowsPictureInPictureMediaPlayback = true;
+    boolean javaScriptCanOpenWindowsAutomatically = false;
+    boolean javaScriptEnabled = true;
+
+    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
+    public void parse(HashMap<String, Object> options) {
+        Iterator it = options.entrySet().iterator();
+        while (it.hasNext()) {
+            Map.Entry<String, Object> pair = (Map.Entry<String, Object>)it.next();
+            try {
+                this.getClass().getField(pair.getKey()).set(this, pair.getValue());
+            } catch (NoSuchFieldException | IllegalAccessException  e) {
+                // silent
+            }
+        }
+
+    }
+
+    public HashMap<String, Object> getHashMap() {
+        HashMap<String, Object> options = new HashMap<>();
+        for (Field f: this.getClass().getDeclaredFields()) {
+            try {
+                options.put(f.getName(), f.get(this));
+            } catch (IllegalAccessException e) {
+                // silent
+            }
+        }
+        return options;
+    }
+
+}

android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/WebViewActivity.java

+package com.pichillilorenzo.flutter_inappbrowser;
+
+import android.app.SearchManager;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Build;
+import android.support.annotation.RequiresApi;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.webkit.WebView;
+import android.widget.EditText;
+import android.widget.SearchView;
+
+import java.util.HashMap;
+
+public class WebViewActivity extends AppCompatActivity {
+
+    WebView wv;
+    SearchView searchView;
+    InAppBrowserOptions options;
+
+    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Bundle b = getIntent().getExtras();
+        String url = b.getString("url");
+
+        options = new InAppBrowserOptions();
+        options.parse((HashMap<String, Object>) b.getSerializable("options"));
+
+        setContentView(R.layout.activity_web_view);
+        wv = (WebView) findViewById(R.id.webView);
+
+        InAppBrowser.webViewActivity = this;
+
+        wv.loadUrl(url);
+        getSupportActionBar().setTitle(wv.getTitle());
+
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        MenuInflater inflater = getMenuInflater();
+        // Inflate menu to add items to action bar if it is present.
+        inflater.inflate(R.menu.menu_main, menu);
+
+        searchView = (SearchView) menu.findItem(R.id.menu_search).getActionView();
+        searchView.setQuery(wv.getUrl(), false);
+        getSupportActionBar().setTitle(wv.getTitle());
+
+        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
+            @Override
+            public boolean onQueryTextSubmit(String query) {
+                wv.loadUrl(query);
+                return false;
+            }
+
+            @Override
+            public boolean onQueryTextChange(String newText) {
+                return false;
+            }
+        });
+
+        return true;
+    }
+
+}

android/src/main/res/drawable/ic_more_vert_black_24dp.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M12,8c1.1,0 2,-0.9 2,-2s-0.9,-2 -2,-2 -2,0.9 -2,2 0.9,2 2,2zM12,10c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2zM12,16c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2z"/>
+</vector>

android/src/main/res/layout/activity_web_view.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:focusableInTouchMode="true"
+    android:orientation="vertical"
+    tools:context=".WebViewActivity">
+
+    <WebView
+        android:id="@+id/webView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</LinearLayout>
+

android/src/main/res/menu/menu_main.xml

+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:appcompat="http://schemas.android.com/apk/res-auto"
+    xmlns:app="http://schemas.android.com/tools">
+
+    <item
+        android:id="@+id/action_settings"
+        android:title="@string/action_settings"
+        android:orderInCategory="100"
+        app:showAsAction="never"/>
+
+    <item
+        android:id="@+id/menu_search"
+        android:title="@string/menu_search"
+        appcompat:actionViewClass="android.widget.SearchView"
+        appcompat:showAsAction="always" />
+
+</menu>

android/src/main/res/values/strings.xml

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="action_settings">Settings</string>
+    <string name="menu_search">Search</string>
+</resources>

android/src/main/res/values/styles.xml

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="AppTheme" parent="Theme.AppCompat.Light">
+
+    </style>
+</resources>

example/android/app/build.gradle

@@ -34,7 +34,7 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.pichillilorenzo.flutter_inappbrowserexample"
-        minSdkVersion 16
+        minSdkVersion 17
         targetSdkVersion 27
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName

example/ios/Runner/WebView.storyboard

@@ -22,7 +22,7 @@
                             <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="5cB-8U-Az3">
                                 <rect key="frame" x="206.66666666666666" y="367.66666666666669" width="1" height="1"/>
                             </imageView>
-                            <wkWebView contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="gA9-n8-qaQ">
+                            <wkWebView contentMode="scaleToFill" allowsBackForwardNavigationGestures="YES" translatesAutoresizingMaskIntoConstraints="NO" id="gA9-n8-qaQ">
                                 <rect key="frame" x="0.0" y="67" width="414" height="625"/>
                                 <color key="backgroundColor" red="0.36078431370000003" green="0.38823529410000002" blue="0.4039215686" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <wkWebViewConfiguration key="configuration" applicationNameForUserAgent="">

example/lib/main.dart

@@ -18,6 +18,7 @@ class MyInAppBrowser extends InAppBrowser {
     this.injectScriptCode("""
       \$( "body" ).html( "Next Step..." )
     """);
+
     this.injectStyleCode("""
     body {
       background-color: #3c3c3c !important;

ios/Classes/InAppBrowserOptions.swift

@@ -14,11 +14,6 @@ public class InAppBrowserOptions: NSObject {
     var clearCache = false
     var clearSessionCache = false
     var spinner = true
-    var enableViewportScale = false
-    var mediaPlaybackRequiresUserAction = false
-    var allowInlineMediaPlayback = false
-    var keyboardDisplayRequiresUserAction = true
-    var suppressesIncrementalRendering = false
     var hidden = false
     var disallowOverScroll = false
     var toolbarTop = true
@@ -30,6 +25,18 @@ public class InAppBrowserOptions: NSObject {
     var hideUrlBar = false
     var presentationStyle = 0 //fullscreen
     var transitionStyle = 0 //crossDissolve
+    var enableViewportScale = false
+    var keyboardDisplayRequiresUserAction = true
+    var suppressesIncrementalRendering = false
+    var allowsAirPlayForMediaPlayback = true
+    var mediaTypesRequiringUserActionForPlayback = "none"
+    var allowsBackForwardNavigationGestures = true
+    var allowsLinkPreview = true
+    var ignoresViewportScaleLimits = false
+    var allowsInlineMediaPlayback = false
+    var allowsPictureInPictureMediaPlayback = true
+    var javaScriptCanOpenWindowsAutomatically = false
+    var javaScriptEnabled = true
     
     public func parse(options: [String: Any]) {
         for (key, value) in options {

ios/Classes/SwiftFlutterPlugin.swift

@@ -59,6 +59,25 @@ public class SwiftFlutterPlugin: NSObject, FlutterPlugin {
             self.hide()
             result(true)
             break
+        case "reload":
+            self.webViewController?.reload()
+            result(true)
+            break
+        case "goBack":
+            self.webViewController?.goBack()
+            result(true)
+            break
+        case "goForward":
+            self.webViewController?.goForward()
+            result(true)
+            break
+        case "isLoading":
+            result(self.webViewController?.webView.isLoading == true)
+            break
+        case "stopLoading":
+            self.webViewController?.webView.stopLoading()
+            result(true)
+            break
         case "injectScriptCode":
             self.injectScriptCode(arguments: arguments!)
             result(true)

lib/flutter_inappbrowser.dart

@@ -144,6 +144,31 @@ class InAppBrowser {
     return await _channel.invokeMethod('close');
   }
 
+  ///Reloads the [InAppBrowser] window.
+  Future<void> reload() async {
+    return await _channel.invokeMethod('reload');
+  }
+
+  ///Goes back in the history of the [InAppBrowser] window.
+  Future<void> goBack() async {
+    return await _channel.invokeMethod('goBack');
+  }
+
+  ///Goes forward in the history of the [InAppBrowser] window.
+  Future<void> goForward() async {
+    return await _channel.invokeMethod('goForward');
+  }
+
+  ///Check if the Web View of the [InAppBrowser] instance is in a loading state.
+  Future<bool> isLoading() async {
+    return await _channel.invokeMethod('isLoading');
+  }
+
+  ///Stops the Web View of the [InAppBrowser] instance from loading.
+  Future<void> stopLoading() async {
+    return await _channel.invokeMethod('stopLoading');
+  }
+
   ///Injects JavaScript code into the [InAppBrowser] window. (Only available when the target is set to `_blank` or to `_self`)
   Future<void> injectScriptCode(String source) async {
     Map<String, dynamic> args = <String, dynamic>{};