先安装插件
cordova-plugin-wkwebview-engine
然后修改插件中CDVWKWebViewEngine.m文件，下面是全部代码，修改部分已经进行注释
/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
#import "CDVWKWebViewEngine.h"
#import "CDVWKWebViewUIDelegate.h"
#import "CDVWKProcessPoolFactory.h"
#import <Cordova/NSDictionary+CordovaPreferences.h>
#import <objc/message.h>
#define CDV_BRIDGE_NAME @"cordova"
#define CDV_WKWEBVIEW_FILE_URL_LOAD_SELECTOR @"loadFileURL:allowingReadAccessToURL:"
@interface CDVWKWeakScriptMessageHandler : NSObject <WKScriptMessageHandler>
@property (nonatomic, weak, readonly) id<WKScriptMessageHandler>scriptMessageHandler;
- (instancetype)initWithScriptMessageHandler:(id<WKScriptMessageHandler>)scriptMessageHandler;
@end
@interface CDVWKWebViewEngine ()
@property (nonatomic, strong, readwrite) UIView* engineWebView;
@property (nonatomic, strong, readwrite) id <WKUIDelegate> uiDelegate;
@property (nonatomic, weak) id <WKScriptMessageHandler> weakScriptMessageHandler;
@end
// see forwardingTargetForSelector: selector comment for the reason for this pragma
#pragma clang diagnostic ignored "-Wprotocol"
@implementation CDVWKWebViewEngine
@synthesize engineWebView = _engineWebView;
- (instancetype)initWithFrame:(CGRect)frame
{
self = [super init];
if (self) {
if (NSClassFromString(@"WKWebView") == nil) {
return nil;
}
self.engineWebView = [[WKWebView alloc] initWithFrame:frame];
}
return self;
}
- (WKWebViewConfiguration*) createConfigurationFromSettings:(NSDictionary*)settings
{
WKWebViewConfiguration* configuration = [[WKWebViewConfiguration alloc] init];
configuration.processPool = [[CDVWKProcessPoolFactory sharedFactory] sharedProcessPool];
if (settings == nil) {
return configuration;
}
configuration.allowsInlineMediaPlayback = [settings cordovaBoolSettingForKey:@"AllowInlineMediaPlayback" defaultValue:NO];
configuration.mediaPlaybackRequiresUserAction = [settings cordovaBoolSettingForKey:@"MediaPlaybackRequiresUserAction" defaultValue:YES];
configuration.suppressesIncrementalRendering = [settings cordovaBoolSettingForKey:@"SuppressesIncrementalRendering" defaultValue:NO];
configuration.mediaPlaybackAllowsAirPlay = [settings cordovaBoolSettingForKey:@"MediaPlaybackAllowsAirPlay" defaultValue:YES];
return configuration;
}
- (void)pluginInitialize
{
// viewController would be available now. we attempt to set all possible delegates to it, by default
NSDictionary* settings = self.commandDelegate.settings;
self.uiDelegate = [[CDVWKWebViewUIDelegate alloc] initWithTitle:[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"]];
CDVWKWeakScriptMessageHandler *weakScriptMessageHandler = [[CDVWKWeakScriptMessageHandler alloc] initWithScriptMessageHandler:self];
WKUserContentController* userContentController = [[WKUserContentController alloc] init];
[userContentController addScriptMessageHandler:weakScriptMessageHandler name:CDV_BRIDGE_NAME];
WKWebViewConfiguration* configuration = [self createConfigurationFromSettings:settings];
configuration.userContentController = userContentController;
// re-create WKWebView, since we need to update configuration
WKWebView* wkWebView = [[WKWebView alloc] initWithFrame:self.engineWebView.frame configuration:configuration];
//------------added begin-------------
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000
if (@available(iOS 11.0, *)) {
[wkWebView.scrollView setContentInsetAdjustmentBehavior:UIScrollViewContentInsetAdjustmentNever];
}
#endif
//------------added end----------------
wkWebView.UIDelegate = self.uiDelegate;
self.engineWebView = wkWebView;
if (IsAtLeastiOSVersion(@"9.0") && [self.viewController isKindOfClass:[CDVViewController class]]) {
wkWebView.customUserAgent = ((CDVViewController*) self.viewController).userAgent;
}
if ([self.viewController conformsToProtocol:@protocol(WKUIDelegate)]) {
wkWebView.UIDelegate = (id <WKUIDelegate>)self.viewController;
}
if ([self.viewController conformsToProtocol:@protocol(WKNavigationDelegate)]) {
wkWebView.navigationDelegate = (id <WKNavigationDelegate>)self.viewController;
} else {
wkWebView.navigationDelegate = (id <WKNavigationDelegate>)self;
}
if ([self.viewController conformsToProtocol:@protocol(WKScriptMessageHandler)]) {
[wkWebView.configuration.userContentController addScriptMessageHandler:(id < WKScriptMessageHandler >)self.viewController name:CDV_BRIDGE_NAME];
}
[self updateSettings:settings];
// check if content thread has died on resume
NSLog(@"%@", @"CDVWKWebViewEngine will reload WKWebView if required on resume");
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(onAppWillEnterForeground:)
name:UIApplicationWillEnterForegroundNotification object:nil];
NSLog(@"Using WKWebView");
[self addURLObserver];
}
- (void)onReset {
[self addURLObserver];
}
static void * KVOContext = &KVOContext;
- (void)addURLObserver {
if(!IsAtLeastiOSVersion(@"9.0")){
[self.webView addObserver:self forKeyPath:@"URL" options:0 context:KVOContext];
}
}
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSString *,id> *)change context:(void *)context
{
if (context == KVOContext) {
if (object == [self webView] && [keyPath isEqualToString: @"URL"] && [object valueForKeyPath:keyPath] == nil){
NSLog(@"URL is nil. Reloading WKWebView");
[(WKWebView*)_engineWebView reload];
}
} else {
[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
}
}
- (void) onAppWillEnterForeground:(NSNotification*)notification {
if ([self shouldReloadWebView]) {
NSLog(@"%@", @"CDVWKWebViewEngine reloading!");
[(WKWebView*)_engineWebView reload];
}
}
- (BOOL)shouldReloadWebView
{
WKWebView* wkWebView = (WKWebView*)_engineWebView;
return [self shouldReloadWebView:wkWebView.URL title:wkWebView.title];
}
- (BOOL)shouldReloadWebView:(NSURL*)location title:(NSString*)title
{
BOOL title_is_nil = (title == nil);
BOOL location_is_blank = [[location absoluteString] isEqualToString:@"about:blank"];
BOOL reload = (title_is_nil || location_is_blank);
#ifdef DEBUG
NSLog(@"%@", @"CDVWKWebViewEngine shouldReloadWebView::");
NSLog(@"CDVWKWebViewEngine shouldReloadWebView title: %@", title);
NSLog(@"CDVWKWebViewEngine shouldReloadWebView location: %@", [location absoluteString]);
NSLog(@"CDVWKWebViewEngine shouldReloadWebView reload: %u", reload);
#endif
return reload;
}
- (id)loadRequest:(NSURLRequest*)request
{
if ([self canLoadRequest:request]) { // can load, differentiate between file urls and other schemes
if (request.URL.fileURL) {
SEL wk_sel = NSSelectorFromString(CDV_WKWEBVIEW_FILE_URL_LOAD_SELECTOR);
NSURL* readAccessUrl = [request.URL URLByDeletingLastPathComponent];
return ((id (*)(id, SEL, id, id))objc_msgSend)(_engineWebView, wk_sel, request.URL, readAccessUrl);
} else {
return [(WKWebView*)_engineWebView loadRequest:request];
}
} else { // can't load, print out error
NSString* errorHtml = [NSString stringWithFormat:
@"<!doctype html>"
@"<title>Error</title>"
@"<div style='font-size:2em'>"
@" <p>The WebView engine '%@' is unable to load the request: %@</p>"
@" <p>Most likely the cause of the error is that the loading of file urls is not supported in iOS %@.</p>"
@"</div>",
NSStringFromClass([self class]),
[request.URL description],
[[UIDevice currentDevice] systemVersion]
];
return [self loadHTMLString:errorHtml baseURL:nil];
}
}
- (id)loadHTMLString:(NSString*)string baseURL:(NSURL*)baseURL
{
return [(WKWebView*)_engineWebView loadHTMLString:string baseURL:baseURL];
}
- (NSURL*) URL
{
return [(WKWebView*)_engineWebView URL];
}
- (BOOL) canLoadRequest:(NSURLRequest*)request
{
// See: https://issues.apache.org/jira/browse/CB-9636
SEL wk_sel = NSSelectorFromString(CDV_WKWEBVIEW_FILE_URL_LOAD_SELECTOR);
// if it's a file URL, check whether WKWebView has the selector (which is in iOS 9 and up only)
if (request.URL.fileURL) {
return [_engineWebView respondsToSelector:wk_sel];
} else {
return YES;
}
}
- (void)updateSettings:(NSDictionary*)settings
{
WKWebView* wkWebView = (WKWebView*)_engineWebView;
wkWebView.configuration.preferences.minimumFontSize = [settings cordovaFloatSettingForKey:@"MinimumFontSize" defaultValue:0.0];
/*
wkWebView.configuration.preferences.javaScriptEnabled = [settings cordovaBoolSettingForKey:@"JavaScriptEnabled" default:YES];
wkWebView.configuration.preferences.javaScriptCanOpenWindowsAutomatically = [settings cordovaBoolSettingForKey:@"JavaScriptCanOpenWindowsAutomatically" default:NO];
*/
// By default, DisallowOverscroll is false (thus bounce is allowed)
BOOL bounceAllowed = !([settings cordovaBoolSettingForKey:@"DisallowOverscroll" defaultValue:NO]);
// prevent webView from bouncing
if (!bounceAllowed) {
if ([wkWebView respondsToSelector:@selector(scrollView)]) {
((UIScrollView*)[wkWebView scrollView]).bounces = NO;
} else {
for (id subview in wkWebView.subviews) {
if ([[subview class] isSubclassOfClass:[UIScrollView class]]) {
((UIScrollView*)subview).bounces = NO;
}
}
}
}
NSString* decelerationSetting = [settings cordovaSettingForKey:@"WKWebViewDecelerationSpeed"];
if (!decelerationSetting) {
// Fallback to the UIWebView-named preference
decelerationSetting = [settings cordovaSettingForKey:@"UIWebViewDecelerationSpeed"];
}
if (![@"fast" isEqualToString:decelerationSetting]) {
[wkWebView.scrollView setDecelerationRate:UIScrollViewDecelerationRateNormal];
} else {
[wkWebView.scrollView setDecelerationRate:UIScrollViewDecelerationRateFast];
}
wkWebView.allowsBackForwardNavigationGestures = [settings cordovaBoolSettingForKey:@"AllowBackForwardNavigationGestures" defaultValue:NO];
}
- (void)updateWithInfo:(NSDictionary*)info
{
NSDictionary* scriptMessageHandlers = [info objectForKey:kCDVWebViewEngineScriptMessageHandlers];
NSDictionary* settings = [info objectForKey:kCDVWebViewEngineWebViewPreferences];
id navigationDelegate = [info objectForKey:kCDVWebViewEngineWKNavigationDelegate];
id uiDelegate = [info objectForKey:kCDVWebViewEngineWKUIDelegate];
WKWebView* wkWebView = (WKWebView*)_engineWebView;
if (scriptMessageHandlers && [scriptMessageHandlers isKindOfClass:[NSDictionary class]]) {
NSArray* allKeys = [scriptMessageHandlers allKeys];
for (NSString* key in allKeys) {
id object = [scriptMessageHandlers objectForKey:key];
if ([object conformsToProtocol:@protocol(WKScriptMessageHandler)]) {
[wkWebView.configuration.userContentController addScriptMessageHandler:object name:key];
}
}
}
if (navigationDelegate && [navigationDelegate conformsToProtocol:@protocol(WKNavigationDelegate)]) {
wkWebView.navigationDelegate = navigationDelegate;
}
if (uiDelegate && [uiDelegate conformsToProtocol:@protocol(WKUIDelegate)]) {
wkWebView.UIDelegate = uiDelegate;
}
if (settings && [settings isKindOfClass:[NSDictionary class]]) {
[self updateSettings:settings];
}
}
// This forwards the methods that are in the header that are not implemented here.
// Both WKWebView and UIWebView implement the below:
// loadHTMLString:baseURL:
// loadRequest:
- (id)forwardingTargetForSelector:(SEL)aSelector
{
return _engineWebView;
}
- (UIView*)webView
{
return self.engineWebView;
}
#pragma mark WKScriptMessageHandler implementation
- (void)userContentController:(WKUserContentController*)userContentController didReceiveScriptMessage:(WKScriptMessage*)message
{
if (![message.name isEqualToString:CDV_BRIDGE_NAME]) {
return;
}
CDVViewController* vc = (CDVViewController*)self.viewController;
NSArray* jsonEntry = message.body; // NSString:callbackId, NSString:service, NSString:action, NSArray:args
CDVInvokedUrlCommand* command = [CDVInvokedUrlCommand commandFromJson:jsonEntry];
CDV_EXEC_LOG(@"Exec(%@): Calling %@.%@", command.callbackId, command.className, command.methodName);
if (![vc.commandQueue execute:command]) {
#ifdef DEBUG
NSError* error = nil;
NSString* commandJson = nil;
NSData* jsonData = [NSJSONSerialization dataWithJSONObject:jsonEntry
options:0
error:&error];
if (error == nil) {
commandJson = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
}
static NSUInteger maxLogLength = 1024;
NSString* commandString = ([commandJson length] > maxLogLength) ?
[NSString stringWithFormat : @"%@[...]", [commandJson substringToIndex:maxLogLength]] :
commandJson;
NSLog(@"FAILED pluginJSON = %@", commandString);
#endif
}
}
#pragma mark WKNavigationDelegate implementation
- (void)webView:(WKWebView*)webView didStartProvisionalNavigation:(WKNavigation*)navigation
{
[[NSNotificationCenter defaultCenter] postNotification:[NSNotification notificationWithName:CDVPluginResetNotification object:webView]];
}
- (void)webView:(WKWebView*)webView didFinishNavigation:(WKNavigation*)navigation
{
CDVViewController* vc = (CDVViewController*)self.viewController;
[CDVUserAgentUtil releaseLock:vc.userAgentLockToken];
[[NSNotificationCenter defaultCenter] postNotification:[NSNotification notificationWithName:CDVPageDidLoadNotification object:webView]];
}
- (void)webView:(WKWebView*)theWebView didFailProvisionalNavigation:(WKNavigation*)navigation withError:(NSError*)error
{
[self webView:theWebView didFailNavigation:navigation withError:error];
}
- (void)webView:(WKWebView*)theWebView didFailNavigation:(WKNavigation*)navigation withError:(NSError*)error
{
CDVViewController* vc = (CDVViewController*)self.viewController;
[CDVUserAgentUtil releaseLock:vc.userAgentLockToken];
NSString* message = [NSString stringWithFormat:@"Failed to load webpage with error: %@", [error localizedDescription]];
NSLog(@"%@", message);
NSURL* errorUrl = vc.errorURL;
if (errorUrl) {
errorUrl = [NSURL URLWithString:[NSString stringWithFormat:@"?error=%@", [message stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]] relativeToURL:errorUrl];
NSLog(@"%@", [errorUrl absoluteString]);
[theWebView loadRequest:[NSURLRequest requestWithURL:errorUrl]];
}
}
- (void)webViewWebContentProcessDidTerminate:(WKWebView *)webView
{
[webView reload];
}
- (BOOL)defaultResourcePolicyForURL:(NSURL*)url
{
// all file:// urls are allowed
if ([url isFileURL]) {
return YES;
}
return NO;
}
- (void) webView: (WKWebView *) webView decidePolicyForNavigationAction: (WKNavigationAction*) navigationAction decisionHandler: (void (^)(WKNavigationActionPolicy)) decisionHandler
{
NSURL* url = [navigationAction.request URL];
CDVViewController* vc = (CDVViewController*)self.viewController;
//------------added begin 修改开始-------------
NSString *scheme = [url scheme];
UIApplication *app = [UIApplication sharedApplication];
//电话,短信,邮件
if ([scheme isEqualToString:@"tel"]||[scheme isEqualToString:@"sms"] ||[scheme isEqualToString:@"mailto"]) {
if ([app canOpenURL:url]) {
CGFloat version = [[[UIDevice currentDevice]systemVersion]floatValue];
if (version >= 10.0) {
/// 大于等于10.0系统使用此openURL方法
[[UIApplication sharedApplication] openURL:url options:@{} completionHandler:nil];
} else {
[[UIApplication sharedApplication] openURL:url];
}
}
}
// 打开appstore
if ([url.absoluteString containsString:@"ituns.apple.com"]) {
if ([app canOpenURL:url]) {
[app openURL:url];
decisionHandler(WKNavigationActionPolicyCancel);
return;
}
}
//------------added end 修改结束-------------
/*
* Give plugins the chance to handle the url
*/
BOOL anyPluginsResponded = NO;
BOOL shouldAllowRequest = NO;
for (NSString* pluginName in vc.pluginObjects) {
CDVPlugin* plugin = [vc.pluginObjects objectForKey:pluginName];
SEL selector = NSSelectorFromString(@"shouldOverrideLoadWithRequest:navigationType:");
if ([plugin respondsToSelector:selector]) {
anyPluginsResponded = YES;
// https://issues.apache.org/jira/browse/CB-12497
int navType = (int)navigationAction.navigationType;
if (WKNavigationTypeOther == navigationAction.navigationType) {
navType = (int)UIWebViewNavigationTypeOther;
}
shouldAllowRequest = (((BOOL (*)(id, SEL, id, int))objc_msgSend)(plugin, selector, navigationAction.request, navType));
if (!shouldAllowRequest) {
break;
}
}
}
if (anyPluginsResponded) {
return decisionHandler(shouldAllowRequest);
}
/*
* Handle all other types of urls (tel:, sms:), and requests to load a url in the main webview.
*/
BOOL shouldAllowNavigation = [self defaultResourcePolicyForURL:url];
if (shouldAllowNavigation) {
return decisionHandler(YES);
} else {
[[NSNotificationCenter defaultCenter] postNotification:[NSNotification notificationWithName:CDVPluginHandleOpenURLNotification object:url]];
}
return decisionHandler(NO);
}
#pragma mark - Plugin interface
- (void)allowsBackForwardNavigationGestures:(CDVInvokedUrlCommand*)command;
{
id value = [command argumentAtIndex:0];
if (!([value isKindOfClass:[NSNumber class]])) {
value = [NSNumber numberWithBool:NO];
}
WKWebView* wkWebView = (WKWebView*)_engineWebView;
wkWebView.allowsBackForwardNavigationGestures = [value boolValue];
}
@end
#pragma mark - CDVWKWeakScriptMessageHandler
@implementation CDVWKWeakScriptMessageHandler
- (instancetype)initWithScriptMessageHandler:(id<WKScriptMessageHandler>)scriptMessageHandler
{
self = [super init];
if (self) {
_scriptMessageHandler = scriptMessageHandler;
}
return self;
}
- (void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message
{
[self.scriptMessageHandler userContentController:userContentController didReceiveScriptMessage:message];
}
@end