Uiwebview load pdf with swift sometimes you just want to load a pdf in a uiwebview, so heres an extension to help you. Topics covered in this article are 1 how to add uiwebview to a view 2 load requestdata in uiwebview 3 uiwebviewdelegate methods 4 execute javascript in uiwebview. Because you want to make it as a background, so you need to set the frame size according to the iphone screen. When youre displaying content in your iphone app in a uiwebview, its helpful to be able to store your javascript and css in external js and css files. The desktop browsers, mobile browsers, and android webview all load the content correctly.
In this post we will learn on how to generate a pdf from an html file, or convert an html rendered in a uiwebview into a pdf. To load the pdf which was in your application, use the following code. Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. I download that file from an external source and saving it to a directory that i created in the app. Solved how to load local pdf in uiwebview in swift ios.
A little bit of encapsulation can make the world of difference in. How to load local pdf in uiwebview in swift exceptionshub. Pdf in uiwebview ios 8 black border around pdf xamarin. Since i need to be in a loggedin state to download the pdf, i have to pass the. The size of the data is subject to a theoretical limit of about 8 exabytes 1 eb 10 bytes. Lets create a new project with the single view application template. Since i need to be in a loggedin state to download the pdf, i have to pass the authentication cookies from wkwebview where i loggedin to the shared cookie storage which is used by the download task. Create a new project, and choose view based application from the project template. Data objects let simple allocated buffers that is, data with no embedded pointers take on the behavior of foundation objects. Starting with ios 9 the uiwebview sometimes shows the html as usual and sometimes it renders the html as a very small page. Make an awesome video background view using uiwebview. I have a uiwebview that displays an html page that it receives from the server as nsdata.
As much as i try to avoid using uiwebview due to the fact it is deprecated, i just couldnt get wkwebview to work. In the previous ios webview example i have explained about creating ios webview. So i am currently trying to display a local pdf i have in uiwebview and this is the cod. In ios you can load a url into a native app through the uiwebview control. Swift assuming there is a text file in the project named home. This modified text is an extract of the original stack overflow documentation created by following contributors and released under cc bysa 3. I also have videos on that directory and i can play the videos just fine. Even if i have to download the stream and save the pdf to a. When i load a pdf into a uiwebview there is a black border and background around the pdf displayed not the whole background view. By continuing to browse this site, you agree to this use. When we want to open the pdf file from a url string then we use the uiwebview.
This site uses cookies for analytics, personalized content and ads. In my iphone application i am trying to load the pdf file on uiwebview but some how its not working. Nsdata is used to load the pdf files when they are stored locally in any of the directories. Contribute to tracy euiwebviewtofile development by creating an account on github. But the way to access these reliably has changed as ios has matured, and theres a lot of outdated misinformation about it. This web page is a third party plugin that i dont have direct access to. But for docx, rtf, doc filese, none of the cases work except 2 where it loads data but with encoded characters. For this we first load our webview in our viewdidload as follows. Rendering html pdf report for printing from uiwebview example.
Uiwebview not loading certain web components xamarin. The types of data converted to clickable urls in the web views content. So just before generating pdf i now add a uiwebview, load html there, and i. I have found some really nasty bugs with uiwebview. This site contains user submitted content, comments and opinions and is for informational purposes only. Solved how to load local pdf in uiwebview in swift ios knowledge base ios pedia tutorial. Nsdata and its mutable subclass nsmutable data provide data objects, or objectoriented wrappers for byte buffers. Sets the main page contents, mime type, content encoding, and base url. Uiwebview load local html file in webview essential ios. A web view uiwebview is a uiview subclass that acts as a versatile renderer. The loadview method simply creates the web view object and makes it able to data filemanager contentsatpath.
I have a uiwebview opening up a web page that displays some customer information. Uiwebview acts weird on ios9 apple developer forums. Do not load content remotely and then process the data returned before passing to a uiwebview if at all. I am able to load a local html file in my windows project assets folder. See example of report csshtml 2 create pdf by rendering uiwebview using 2480x3540 page a4 in 300dpi 3 in renderer scale down end result. Rendering html pdf report for printing from uiwebview. Okay so i have made some progress looking at the sample you provided and trying to mimic it in my customer renderer. Then, call below method after document finished loading in uiwebview. Display pdf in uiwebview using loaddata stack overflow. Wkwebview tutorial wkwebview tutorial by example swift ios.
See example of report csshtml 2 create pdf by rendering uiwebview using 2480x3540 page a4. In ios uiwebview tutorial, i have covered how to use uiwebview webview in ios and how to control it programmatically. How to display nsdata with pdf content in ios uiwebview. Ios10 swift3 with uiwebviewwkwebview apple developer. Create a uiwebview and add the gif nsdata as its data source. We use cookies for various purposes including analytics. A protip by xjki about pdf, printing, uiwebview, ios, and swift. How to show a pdf file from url in a uiwebview in ios findnerd. The ios uiwebview only seems to populate part of the content. Below are the advantages of wkwebview wkwebview runs faster than uiwebview wkwebview runs in a separate process instead of app. In order to get it back, you can use the nsdata class to get the contents of the file at that url.
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