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  1. BlackBerry Docs
  2. BlackBerry Dynamics SDK for iOS 12.0
  3. BlackBerry Dynamics SDK for iOS Development Guide
  4. Requirements and support for platform-specific features
  5. Requirements and prerequisites for iOS platform features
  6. Support for WKWebView

Support for WKWebView

The
BlackBerry Dynamics SDK for iOS
 version 4.2 and later supports secure WKWebView for displaying interactive web content.
Note the following support details:
  • The SDK supports multiple WKWebView instances. The instances must be created programmatically.
  • The SDK supports loading WKWebView from UIStoryBoard. To avoid any possible data leaks, you must load UIStoryBoard with the WKWebView component after the SDK is initialized.
  • The supported versions of
    iOS
     require
    JavaScript
     injection by the
    BlackBerry Dynamics Runtime
    .
  • The secure Fetch API is supported.
  • Synchronous XMLHttpRequests are supported for
    iOS
     12.2 and later, but the GET method is supported for
    iOS
     13.1 and later only.
  • The SDK supports the use of the cache to search for valid cached data for resources loaded by WKWebView.
The SDK’s implementation of secure WKWebView currently supports:
  • Loading HTTP and HTTPS data
  • Redirection
  • Basic, Digest, NTLM,
    Kerberos
    , and ClientCertificate authentication
  • Cookies
  • Video and audio playback
  • Asynchronous XHR requests
  • HTML5 non-persistent local storage
  • HTML5 persistent local storage
  • Sending the following types of body data using XMLHttpRequest: ArrayBuffer, Blob, FormData, URLSearchParams, USVString
  • WebRTC
  • HTTP/2
WebSockets are supported in WKWebView with the following limitations:
  • The permessage-deflate extension is not supported.
The SDK’s implementation of secure WKWebView does not currently support:
  • The JavaScript sendBeacon API
  • The following Data Leakage Prevention (DLP) settings from
    BlackBerry UEM
     for long-press or 3D touch actions:
    • Do not allow copying data from
      BlackBerry Dynamics
       apps into non
      BlackBerry Dynamics
       apps
    • Do not allow copying data from non
      BlackBerry Dynamics
       apps into
      BlackBerry Dynamics
       apps
  • HTML attributes for a link tag (for example, preconnect)