Is uiwebview a hack. The approach i'm using now is on click of the .

Is uiwebview a hack I'm using a UIWebView that isn't a subview (and thus isn't part of the window hierarchy) to determine the sizes of HTML content for UITableViewCells. But when I close my app and open it again users not login. The new content gets loaded but I need to tell the nav bar that the UIWebView has changed so I can at least change the white title text to match the new content. My HTML has a link that I intercept when tapped so that I can take control and reload the UIWebview with a different HTML string. If your content is html you can convert it to NSAttributedString. com pages. To change the text you'll probably have to change the html of the page you're viewing. The source HTML is very messy and from a pre-HTML5 era. 12. Hah, that’s a nice hack. I added a url to the web view and so it worked properly. ios; swift; uiwebview; try-catch; swift2; Share. I expect to hear back from them after Thanksgiving break. Follow answered Sep 13, 2011 at 16:23. Here is the code highlight: I've had good luck with UIWebView and file:/// URLs. delegate = self; [myView addSubView:myWebView]; It's not necissary to create another subclass to listen for deleagte methods of your view, i would now treat your UIView as Cross-site scripting occurs when malicious scripts are injected into an otherwise benign or trusted website. For example, in some m. Native to Javascript communication is via UIWebView's I need to know what should be done to use JavaScript in a HTML sitting in UIWebView to notify Objective-C that something has happened? To be more exact, I'm playing some JavaScript animation in HT With UIWebView you would use UIWebViewDelegate's - webViewDidFinishLoad:. Two step solution. At first I thought that maybe the cache of the UIWebView doesn't have enough time to clear before the next html load + snapshot but clearing it before the next load didn't changed anything. In the end i guess if this is the way it is then i may have to give up WKWebView is an essential part of rendering web pages in mobile apps, but what is WKWebView? WKWebView is an API that helps render web pages in iOS and macOS apps. Is there a class in the . With WKWebView you would use WKNavigationDelegate's - webView:didFinishNavigation: Another approach if you really wanted to clear the contents without a delegate method would be to use JavaScript I have a UIWebView in an iPhone application I am building. You should check and override the delegate just for the UIScrollView. Code example: In one action I am loading the UIWebview to display a PDF File from my bundle. If you need to scroll down and then show the web If you save your pwd n username for you uiwebview it'll correlate to safari mobile n vice versa. My webView is set as a property. db. You are messing with some UIWebView internals. I have UIWebView page on which there is a button of Login which does login using basic authentication and HTTP POST method call to a server api https: The hack to this can be when authentication request is made load a custom url in webview detect that in iOS code and start a new request in iOS with the URL to https: I've read that reusing UIWebViews is kind of a bad practice. allowsInlineMediaPlayback = NO; It looks like there are a few ways to detect entering and leaving fullscreen, though it seems like these are not recommended approaches. size. The problem is that the web page from Maxpreps loaded from the URL in their widget isn't designed to fit completely on an iPhone in portrait orientation. This feels like a bad hack, but I think you could forward all the UIScrollViewDelegate methods back to UIWebView in addition to doing whatever you need to do. let request = NSURLRequest(URL: NSURL(fileURLWithPath: path)) I would prefer not to drop back to some Objective-C hack to emulate the try-catch-finally pattern in Swift. Add a The main reason you should use UITextView or UILabel to display formatted text is that there is no ultimate way to get content bounds at the first time it is drawn in UIWebView. Basically you'd be intercepting load requests, fetching stuff yourself, I have a static webpage with about 10 links (items). Load a webview with the url amazon. – I got a UITabBarController and one of the bar items is a Navigation Controller with some buttons on it. One of the buttons opens up a urlRequest and load it in a UIWebView. Problem: the call to clear the content to also called delegate method, so getting false-hits (that is, getting call when clear is done, too, but delegate is coded On UIWebview, how can I detect a touch? But not when user clicks some URL or touching a control. this excellent answer shows how to trap errors, but I would like to use the console. I think UIScrollView have a better performance then UIWebView,especially complex layout and usability. Examples include the Twitter app which brings up links in tweets rather UIWebView, which is no longer recommended from iOS 12 onwards due to its lack of support for disabling JavaScript, making it susceptible to script injection and Cross-Site Scripting (XSS) UIWebView, que ya no se recomienda a partir de iOS 12 debido a su falta de soporte para deshabilitar JavaScript, lo que lo hace susceptible a inyecciones de scripts y ataques de WebViews are in-app browser components for displaying interactive web content. Step 1. You don't need to make two requests. 2k 4 4 gold badges 50 50 silver badges 69 69 bronze badges. The new one remembered exactly where I was at when I went back to an address without having to reload everything (it remembered my previous UIWebView was logged in). g. Setting up the buttons would then use I have a HTML form that has certain fields which i am opening inside a UIWebview. I have three questions here: I found Just display UIWebView on the IBAction? You're going to want something like this: @IBAction func newAction(sender: UIBarButtonItem) { // set up webview let webView = UIWebView(frame: self. height)]; myWebView. Like in this post: iPhone - UIWebview - Get the URL of the link clicked When the user clicks this link, the UIWebView first reports this link and then the redirected link in shouldStartLoadWithRequest:navigationType:. com; Javascript activates and fills in form I don't think you can limit the height of the UITableView in order to append a UIWebView after it. They can be used to embed web content directly into an app's user interface. Not 100% related to the question OP asked, but I had a similar problem with an Android WebView, in a mobile app whose native code I do not control (but which has WebView debugging enabled). PAN1C C0L. How can I tell this is a redirect as opposed to some supplementary site being loaded for images or other elements on the page? The actual reason is that the media type of the web page did not change from screen to print in the UIWebView, unlike desktop browsers, so there is no trigger, till this point. I want to detect when a url with local anchor tag is clicked on html page which is current been rendered on UIWebView. After login UIWebView close and users may use your personal account. The problem is when the UIWebview is opened - I cannot access it (it is immediately closed when I'm trying to click a html element (I am using Appium inspector to find elements and to record my Ruby test). Also, UIWebView has many subviews. All of my toolbars and barbutton items are created in IB. Is it possible to handle it? How can I place a UIWebView in a table view cell, yet maintain the UIWebView's scrollbars? Try this quick hack to see if you can force the web view to show a scroll indicator: ((UIScrollView*)[webView. 8suhas 8suhas The issue you are having with the HTML not fitting in the UIWebView is not simple to resolve, but I can give you a hack that will get your content on the screen. In multiple question i continueally see that this will not work in m. On click of a particular button i want to do a in app action. However, this article shares a security flaw of UIWebView, with a simple demo to show how we use UIWebView to grab user’s info such as id, name, encrypted password, etc. I have done lots of searches around and implemented various workarounds but It would be really helpful if there was any hack around. So I'm trying to write a program that automatically fills in a form on a website. It's not as functional as a Chrome-to-Safari bookmarklet, but it does show it's possible to launch MobileSafari from Chrome for iOS. webview. youtube. (There's probably a better way to handle that, but that's my current solution. Within the mobile security field, cross-site scripting can occur in unlikely places, such as the UIWebView on iOS. But when I added the web view into a scrollview I disabled the user interaction in the web view so it would not scroll from the web view. What is difference? UIWebView was deprecated in iOS 12. Anyway i can directly hook into the button click event rather I went to use UIWebView to display dynamic content, instead of doing it natively using UI-elements. Before we really dive into this API and its power in iOS app development, let’s look back to the beginning of the mobile Internet. Some code I inherited at work is pushing a variety of content to a UIWebView. The tricky part is that invisibleScrollPreventer - it's an imperfect hack, but it'll avoid scrolling your web view instead of doing the back action. webView. So I just have a standard UIViewController with a UIWebView in it that displays a pdf. e. This all is great until you follow a link, in this case clicking on the "frame" link in the UIWebView content. See the linked StackOverflow question. I have a UIWebView that I'm setting to some text and displaying and then hiding, changing the text, and displaying again. If you do I've a couple of questions and I can't find answers anywhere. hide and show navbar when scroll uiwebview. . When user back to menu, click again on this link, load the opened webview before (no need to add new webview with same url). If you're trying to find out how far the web view is scrolled down "inside" itself, you can use this little hack: UIWebView doesn't have a method textColor. NSURL * url = [NSURL New in iOS 8 is a bug that blocks the UI when more than a couple of JavaScript to native code communications take place. Since UIWebView does not conform to the NSCopying protocol, I believe your approach is valid so far. And UIWebView has no delegate method for printing exposed till date. frame. The only way I can get access to the scrollView is to (it seems like a hack) go in and get it by the subviews array: I'm trying to create a webview from a JSContext block. Even Google had to rely on embedding the standard (albeit tweaked) UIWebView to implement Chrome for iOS. I've tried removing a UIWebView from my UIViewController, releasing it, then creating a new one. UPDATE: If I add a delay to make the app wait a few seconds to execute the image saving code then it works. You can use UIKit object whichever you can render NSAttributedString such as UITextView or UILabel. Improve this answer. Mobile smartphone technology has become so I'm working on a OS X program where the user does some light WYSIWYG HTML editing in a WebView. PAN1C. All item managers are the same: if the developer has bad intentions, they can in fact hack your account. If you had luck, please share some code! Although WebKit/UIWebView is not officially available in tvOS, some people have figured out that it is possible to use that functionality if you are willing to edit your system header files. My navigationController pushes another view controller which is a UIWebView. When writing a iPhone / iPad app with a UIWebView, the console isn't visible. load(URLRequest(url:fileUrl)) both uiWebView and wkWebView can work well. The code I use is: NSURL *url = [NSURL URLWithString:providedURL]; NSURLRequest *request = [NSURLRequest requestWithURL:url]; [webView loadRequest:request]; This is It's a hack, but if you have no control of the website, you can inject JavaScript into the web view once it's loaded using evaluateJavaScript: UIWebView injection hide navbar in webViewDidStartLoad. Users may login with facebook account. I submitted a Technical Suppport Incident to Apple this morning, complete with a sample app that clearly shows the errant behavior. scrollView property. When using a UIWebView with editable content, the user can type their own text on the editable DIV. What UIWebView methods should I implement and where should they go? That'll add the back-swipe gesture. I'm building an iPhone app that is just a UIWebView of an existing mobile site that has a form-based login. NET framework for this? If not, are there third party html rendering libraries in C#? Of course, you will need a hack to handle go back to the placeholder about:blank. They are hiding my UIWebView for a second, but then it appears again. UIWebView not save cookies. showsVerticalScrollIndicator = YES; I'm trying to change the size of my UIWebView to fill my view controller. Skip to main content. I actually think it may retain cached information when you close out the UIWebView. db and cache. I recommend you to use both of them base on situation. If you want to make this reusable you may think of subclassing UIWebView and implement your copying algorithm inside the copyWithZone: method of the NSCopying protocol's methods. No word on whether Apple would actually approve a tvOS app that is using such an undocumented API. The code works, but the area where the link text was located is replaced with a gray rectangle that is visible when the new string is loaded. 2- If yes (someone says chrome is just a UIWebView) why my web browser (I created a simple web browser with UIWebView) is not as fast (and stable) as Google Chrome. You may wind up with some odd behaviors though as UIWebView already contains a UIScrollView and the touch events will have to be handled between the two correctly. reload() and all other similar means of reloading the page were not working for me I was thinking to put alert() at the very top of the page, which in theory is a blocking call, corresponding to this thread the MediaPlayer doesn't send out any notifications when started from within the UIWebView (no source given however). I've got a UITableViewCell which contains a UIWebView. What I did is just some minimal Xcode project configuration and coding that I found during some Googling efforts: Create the NSURLConnection once, and invoke it - if its successful, it will return the HTML of the page you requested - which you can load into UIWebView manually using loadHTML:baseURL:. hidden=YES; Neither of these are working. UIWebView *,myWebView = [[UIWebView alloc] initWithFrame:CGRectMake(0,0,myView. Per Octys suggestion, I did attempt to wrap the UIWebView inside a UIView. I have snooped around their logs, and I cannot guarantee that if the feed itself is a UIWebView, but it just so happened that when I went to the feed, a log message came up saying: "WebView loaded". Mike Pinkerton's post on chrome-team googlegroup:. Because UIWebView inherits from UIView you can set the background color. It's job is to load up a URL. iOS WebViews support UIWebView doesn’t implement the out-of-process rendering as WKWebView does. I'm using interface builder, so I inserted a view in the hierarchy, OK, so one "hack-ish" workaround is to make the view controller which houses the Your question touches on something deeply fundamental in Apple's entire iOS strategy: At least not yet. width,myView. In a comment one person stated: Actually it won't always be called. 2, there is still isn't a URL scheme specific to MobileSafari (see below). Javascript On first launch, the site isn't cached and the UIWebView correctly detects if it can go forward or back. For some simply ViewController that just display an information with less complicate use, UIWebView is fine if you have familiar client-side web application development. I have tried using: [webview removeFromSuperview]; and . We depend on an SDK from a third party that fixed the In short: migrate to WKWebView. First, create a JS file with a script that adds an observer that watch all No, there are no UIImageViews, UIWebView manage itself the rendering of html page, so if an img is an href into the html page you have to parsing the html file to intercept your favourite tags. loadRequest(URLRequest(url:fileUrl)) wkWebView. However, Federico Viticci has posted an interesting hack that will allow you to call Safari from Chrome for iOS. For the app functionality, I have need to be able to respond to the UIWebView's nested UIScrollView events like . Till ~ I'm sure of the content of the array. In summary, I've loaded an SVG into a UIWebView, saved that UIWebView as an image, opened the image and the image does not have the SVG in it. uiWebView. com. On clicking the other button the whole UIWebView should get removed from superview. It feels like a hack but it works and it takes care of the same issues I was having with UILabels that have their text change. I understand that I have to switch to the UIWebview (as I found here), but I cannot make it to work. addSubview (webView) self I am working print option in ios, So I just tried a print throw AirPrinter using WebView with following link stackoverflow UIPrintInfo *pi = [UIPrintInfo printInfo]; pi. frame) // or pass in a CGRect frame of your choice // add webView to current view self. I would like to make my implementation smaller if I can without this sort of "hack" I appreciate any help offered. I am confused and can anyone explain that for me: Shouldn't I use URL(string: realPath) for a local resource? But why UIWebView can use it ? Also, look here: UIWebView Link Click. Share Follow From the UIWebView documentation:. view. ApplicationCache. He is click button Facebook and opens UIWebView. For As WebViews often interact with untrusted external sources or handle sensitive user inputs, they are prime targets for attacks such as cross-site scripting (XSS), phishing, and Apple is enforcing the UIWebView deprecation today on uploads (not submissions) of binaries for unreleased apps. When we get to switching out the content in the UIWebView too fast, it dumps. answered Jan 9, 2012 at 7:41. This all works just fine under normal circumstances. The table view cell adjusts it's height depending on the web view contents. The UIWebView class should not be subclassed. document. I need to jump to iOS calendar and show a specific day. If you are asking about an old app that hasn't been updated in a while then it should continue to work. Share. This seems to be an ugly hack. +100! saved me TONS of time, great hack, requires 0 My app contains a UIWebView where I want to control the text size via buttons. You can do that in webViewDidFinishLoad. It allows a developer to add web content to their apps. C0L. Certainly if you are actively putting out updates to an app you really should switch from UIWebView to WKWebView. But you can always place a UIWebView in front of the UITableView, in your view hierarchy, if this suites you-- but it will be visible in your screen at all times, i. It doesn't say why. Follow edited Jan 10, 2012 at 11:11. If you allow the user to move back and forward through the webpage history, then you can use the goBack and goForward methods as actions for buttons. You can add pre populated cache data to you bundle, and simply copy it to caches folder on you app launch. Something like this: - (void) Is there actually a reason not to do other than it looks like a hack? – Gazzer. If your app still embeds web content using the deprecated UIWebView API, we strongly encourage you to update to WKWebView as soon as possible for improved security and reliability. For purposes of illustration, we’ll discuss a recent instance of UIWebView cross-site scripting we came across in a test. When I login to the mobile site on iPhone Safari, I'm prompted to save my username/password, and it's then autofilled when I go back to the site later. For some reason it is a different size on different devices and the bottom of it extends beneath my tab bars. I am trying to display a downloaded file in a UIWebView. I have a UIWebview that I am loading with custom HTML using loadHtmlString. But if I use. The approach i'm using now is on click of the (capture image and upload) and then continue. As soon as the cache is populated, new UIWebView instances decide that, even if the URL changes (which can be observed in UIWebViewDelegate's webView:shouldStartLoadWithRequest:navigationType:), going forward or back is not possible I use UIWebView that users login in accounts. That makes an action sheet displays the options 'Create Event' and 'Show in Calendar' when touched. outputType = Unfortunately there's not straightforward way to implement this. Is it possible to trigger native app functions from simply hitting links inside the UIWebView? Example: hitting a link which then switches current View? UIWebView doesn't inherit directly from UIScrollView, but you may be able to use UIScrollView properties on the UIWebView subview: A kind of javascript hack seems to be described also but I'm not mastering it :/ (you need to have access to the web page you try to display however, and this may not be your case The uiWebView can load the resource but wkWebView can not. This hints that they use a UIWebView for their feed. To force videos to always play in fullscreen, when configuring your UIWebView, use this line of code:. No, it is not just a UiWebView. There are a bunch of tricks (check original post for some others) that may help to clean as much memory as possible when releasing a UIWebView. I need to a back button and a forward button to control the UIWebView. I read through the documentation and there is no schema url for the calendar app but I could find a hack that is embedding a date into a UIWebView (which I made it look like a button). What you are looking for is two files in your cache folder. Anyways, where there is a will, there is a [hack] way. Unfortunately, they never reach complete release of memory used. Use the canGoBack and canGoForward properties to disable the buttons when the user can’t move in a direction. /WheresMyBrowser | egrep "WKWebView$" Similarly, for WKWebView, this command searches the binary for text strings indicative of its usage. You need to do some JS hack in order to get this working. Of course this is just a hack and not perfect solution. The only classes that I can see that do are: UITextField, UITableViewCell, UILabel and UITextField. Is there a way to make a UIWebView scroll to the top when I touch say a UISearchView within the same viewController (without using Javascript). WKWebView ensures that compromised web content doesn’t affect the rest of an app by limiting web processing to the app’s web view. They both reside in Library/Caches/[your bundle identifier] folder for your application, which you have full access. We can expect Apple to be very reluctant to allow this since allowing other web renderers (possibly even with alternative JS implementations, e. I was wondering is there anyway I can open the website in my UIWebView without any login screen? I mean as I already have the username and password, can I use this information to log in to website automatically and show the required necessary page onto my UIWebView iphone app. I guess you can’t update your app anymore :( Maybe you could write an HTML to SwiftUI converter? On the downside not all of the features of UIWebView have been implemented by WKWebView so you may Under Subclassing Notes of the UIWebView reference, all it says is: Subclassing Notes. We’ll also discuss a Update: So, as of iOS 6. I found that the disconnected UIWebView doesn't report its size properly with -[UIWebView sizeThatFits:]. 0. Here's what I'm trying to do. I am new to iOS app development and I just tried using UIWebView to display a mobile website in my app and was not quite successful. I wrote some js that does that, and I'm trying to run it on an already loaded website using a UIWebView (swift). So, if attackers find a memory corruption vulnerability in the UIWebView they will be able to exploit it in the context of your application. I would guess that it's to maintain the integrity of the underlying WebKit control or something, I dunno. 1 +1 This should be accepted answer. I had the same desire (clear content before loading next url) but had a UIWebView delegate set to receive webviewDidFinishLoad:(UIWebView)webview message and update another part of UI in response. ) In your swipeBack: method, you'll do something like the following: I'm looking to embed web content in my Windows application. Step 1 — Let us create UIWebView is a user interface control used in iOS applications. Powerpoints, Word documents, and video. Chrome for iOS has some pretty major technical restrictions imposed by the App Store, such as the requirement to use the built-in UIWebView for rendering, no First time I got better results so there's defiantly something delay related. I have done this with other views successfully, something is different about the SVG or UIWebView. log() as well. I've determined the proper dimensions for the UIWebView Frame and I have a short switch statement for device type. They can't dismantle your stuff from an app, but they could take your credentials, An iOS app can access the cookies in it's own UIWebView. I managed to write a JavaScript hack that performs pretty well on the iPad and 4"-inches iPhone $ rabin2 -zz . However, it causes the new webview to load a webpage without its assets (css/js) which I think could be due to a conflict between the JSContext of the block, and the context of the webview. not after scrolling down to the end of your table. Commented Mar 2, 2011 at 21:17. The one that usually works better for me is to empty the HTML Document of the WebView before releasing it. Hello there I'm working on this UIWebView in Swift. Being new to programming with Cocoa and WebKit, I have absolutely no idea how to get selected text from a WebView - the intention being to take what the user selected, add HTML code (like div's or span's) around the text, and replace the selected text with the The way I've been doing it for a few years is to simply create two toolbars, and set one or the other to hidden while the UIWebView loads. Adding dispatch_after in the block - which delays the init of the webview and probably gets rid of the JS context - works perfectly. 0. My need is simple: when user clicked on a link, open in a new webview. 4. I've got it all working fine, however when the view loads, I get a constraint violation exception in the debugger (the app continues running and functionally works fine, but I'd like to resolve this exception if possible). subViews objectAtIndex:0]). 1- Does Google Chrome use UIWebView for rendering and showing web pages?. File Cross-site scripting occurs when malicious scripts are injected into an otherwise benign or trusted website. so I enabled the scrolling in the Scrollview and now I can scroll fine. This works well for many file types, including pptx files. An iOS app can also access POST data from a UIWebView. you could try these hacks: visible-hidden events hack, timed key window checking-hack, subview events-hack. Unfortunately WKWebView doesn’t allow you to set SOCKS proxy options, unlike UIWebView, which makes certain apps like Onion Browser As per Apple Developer site:. Here is the code I'm using: It would mean that every time you click on a link in the web browser, you'd need to have your UIWebViewDelegate method, shouldStartLoadWithRequest, intercept that request, not have the current UIWebView satisfy that request, but rather push to another view controller with a UIWebView firing up that page. Furthermore, to find how a WKWebView is initialized, the following command is executed, targeting the method signature related to its initialization: The UIWebView object in iOS has a scrollview object which was exposed from iOS5 onwards with webView. tfyyqyj ysgqzo rfavo wwujq xvgvvqvbp urem etfib yimo mdrtmm qvy