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Disable magnification in WKWebView
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// Remember to @import WebKit at the top of the class | |
// Javascript that disables pinch-to-zoom by inserting the HTML viewport meta tag into <head> | |
NSString *source = @"var meta = document.createElement('meta'); \ | |
meta.name = 'viewport'; \ | |
meta.content = 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no'; \ | |
var head = document.getElementsByTagName('head')[0];\ | |
head.appendChild(meta);"; | |
WKUserScript *script = [[WKUserScript alloc] initWithSource:source injectionTime:WKUserScriptInjectionTimeAtDocumentEnd forMainFrameOnly:YES]; | |
// Create the user content controller and add the script to it | |
WKUserContentController *userContentController = [WKUserContentController new]; | |
[userContentController addUserScript:script]; | |
// Create the configuration with the user content controller | |
WKWebViewConfiguration *configuration = [WKWebViewConfiguration new]; | |
configuration.userContentController = userContentController; | |
// Create the web view with the configuration | |
WKWebView *webView = [[WKWebView alloc] initWithFrame:CGRectZero configuration:configuration]; | |
webView.translatesAutoresizingMaskIntoConstraints = NO; | |
[self.view addSubview:webView]; | |
// Add the constraints | |
NSDictionary *views = NSDictionaryOfVariableBindings(webView); | |
[self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[webView]|" options:0 metrics:nil views:views]]; | |
[self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[webView]|" options:0 metrics:nil views:views]]; | |
[webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://apple.com"]]]; |
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