Merge branch 'master' into android-permissions

android/build.gradle

 buildscript {
-  //Buildscript is evaluated before everything else so we can't use getExtOrDefault
-  def kotlin_version = rootProject.ext.has('kotlinVersion') ? rootProject.ext.get('kotlinVersion') : project.properties['ReactNativeWebView_kotlinVersion']
-
-  repositories {
-    google()
-    jcenter()
+  ext.getExtOrDefault = {name ->
+    return rootProject.ext.has(name) ? rootProject.ext.get(name) : project.properties['ReactNativeWebView_' + name]
   }
 
-  dependencies {
-    classpath 'com.android.tools.build:gradle:3.2.1'
-    //noinspection DifferentKotlinGradleVersion
-    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-  }
-}
+  // The Android Gradle plugin is only required when opening the android folder stand-alone.
+  // This avoids unnecessary downloads and potential conflicts when the library is included as a
+  // module dependency in an application project.
+  if (project == rootProject) {
+    repositories {
+      google()
+      jcenter()
+    }
 
-def getExtOrDefault(name) {
-  return rootProject.ext.has(name) ? rootProject.ext.get(name) : project.properties['ReactNativeWebView_' + name]
+    dependencies {
+      classpath("com.android.tools.build:gradle:3.6.0")
+      classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:${getExtOrDefault('kotlinVersion')}")
+    }
+  }
 }
 
 def getExtOrIntegerDefault(name) {

android/src/main/java/com/reactnativecommunity/webview/RNCWebViewModule.java

       // convert file extensions to mime types
       if (t.matches("\\.\\w+")) {
         String mimeType = getMimeTypeFromExtension(t.replace(".", ""));
-        mimeTypes[i] = mimeType;
+        if(mimeType != null) {
+          mimeTypes[i] = mimeType;
+        } else {
+          mimeTypes[i] = t;
+        }
       } else {
         mimeTypes[i] = t;
       }
     // when our array returned from getAcceptTypes() has no values set from the webview
     // i.e. <input type="file" />, without any "accept" attr
     // will be an array with one empty string element, afaik
-    return arr.length == 0 || (arr.length == 1 && arr[0].length() == 0);
+    return arr.length == 0 || (arr.length == 1 && arr[0] != null && arr[0].length() == 0);
   }
 
   private PermissionAwareActivity getPermissionAwareActivity() {

apple/RNCWebView.m

     selector:@selector(appDidBecomeActive)
         name:UIApplicationDidBecomeActiveNotification
       object:nil];
-    
+
     [[NSNotificationCenter defaultCenter]addObserver:self
     selector:@selector(appWillResignActive)
         name:UIApplicationWillResignActiveNotification
                                                selector:@selector(hideFullScreenVideoStatusBars)
                                                    name:UIWindowDidBecomeHiddenNotification
                                                  object:nil];
-      
+
   }
 #endif // !TARGET_OS_OSX
   return self;
   if (_applicationNameForUserAgent) {
       wkWebViewConfig.applicationNameForUserAgent = [NSString stringWithFormat:@"%@ %@", wkWebViewConfig.applicationNameForUserAgent, _applicationNameForUserAgent];
   }
-  
+
   return wkWebViewConfig;
 }
 
         _webView.scrollView.delegate = nil;
 #endif // !TARGET_OS_OSX
         _webView = nil;
+        if (_onContentProcessDidTerminate) {
+          NSMutableDictionary<NSString *, id> *event = [self baseEvent];
+          _onContentProcessDidTerminate(event);
+        }
     }
 
     [super removeFromSuperview];
   if (_ignoreSilentHardwareSwitch) {
     [self forceIgnoreSilentHardwareSwitch:true];
   }
-    
+
   if (_onLoadingFinish) {
     _onLoadingFinish([self baseEvent]);
   }
 
 - (void)setInjectedJavaScript:(NSString *)source {
   _injectedJavaScript = source;
-  
+
   self.atEndScript = source == nil ? nil : [[WKUserScript alloc] initWithSource:source
       injectionTime:WKUserScriptInjectionTimeAtDocumentEnd
     forMainFrameOnly:_injectedJavaScriptForMainFrameOnly];
-  
+
   if(_webView != nil){
     [self resetupScripts:_webView.configuration];
   }
 
 - (void)setInjectedJavaScriptBeforeContentLoaded:(NSString *)source {
   _injectedJavaScriptBeforeContentLoaded = source;
-  
+
   self.atStartScript = source == nil ? nil : [[WKUserScript alloc] initWithSource:source
        injectionTime:WKUserScriptInjectionTimeAtDocumentStart
     forMainFrameOnly:_injectedJavaScriptBeforeContentLoadedForMainFrameOnly];
-  
+
   if(_webView != nil){
     [self resetupScripts:_webView.configuration];
   }
 
 - (void)setMessagingEnabled:(BOOL)messagingEnabled {
   _messagingEnabled = messagingEnabled;
-  
+
   self.postMessageScript = _messagingEnabled ?
   [
    [WKUserScript alloc]
    forMainFrameOnly:YES
    ] :
   nil;
-  
+
   if(_webView != nil){
     [self resetupScripts:_webView.configuration];
   }
 - (void)resetupScripts:(WKWebViewConfiguration *)wkWebViewConfig {
   [wkWebViewConfig.userContentController removeAllUserScripts];
   [wkWebViewConfig.userContentController removeScriptMessageHandlerForName:MessageHandlerName];
-  
+
   NSString *html5HistoryAPIShimSource = [NSString stringWithFormat:
     @"(function(history) {\n"
     "  function notify(type) {\n"
   ];
   WKUserScript *script = [[WKUserScript alloc] initWithSource:html5HistoryAPIShimSource injectionTime:WKUserScriptInjectionTimeAtDocumentStart forMainFrameOnly:YES];
   [wkWebViewConfig.userContentController addUserScript:script];
-  
+
   if(_sharedCookiesEnabled) {
     // More info to sending cookies with WKWebView
     // https://stackoverflow.com/questions/26573137/can-i-set-the-cookies-to-be-used-by-a-wkwebview/26577303#26577303
       [wkWebViewConfig.userContentController addUserScript:cookieInScript];
     }
   }
-  
+
   if(_messagingEnabled){
     if (self.postMessageScript){
       [wkWebViewConfig.userContentController addScriptMessageHandler:[[RNCWeakScriptMessageDelegate alloc] initWithDelegate:self]

package.json

     "Thibault Malbranche <malbranche.thibault@gmail.com>"
   ],
   "license": "MIT",
-  "version": "9.4.0",
+  "version": "10.0.0",
   "homepage": "https://github.com/react-native-community/react-native-webview#readme",
   "scripts": {
     "start": "node node_modules/react-native/local-cli/cli.js start",