ios - HTML file upload "Could not create a sandbox extension" using WKWebView -



i'm running strange issue while using wkwebview in ios 8 app. html page shown inside view allows file upload. when images selected, works fine - files returned html/javascript , can upload them. however, if select video (.mov) during file selection, appears wkwebview crashes.
when happens, following spit out in xcode - "could not create sandbox extension '/var/mobile/media/dcim/100apple/img_0745.mov'"

appreciated! seems strange image files can handed on fine, video breaks.

there bug in safari crashes browser when try upload videos <input type="file"> "multiple" attribute set. fixed in latest ios 8.4 release, still affects wkwebview.

source: https://github.com/fineuploader/fine-uploader/issues/990


i've been studying @ least 3 hours , came these 3 solutions:

1.) capture/upload single video only 

<input type="file" accept="video/*" capture="camcoder">

2.) capture/upload single image or video 

<input type="file" accept="image/*,video/*" capture="camera,camcoder">

3.) select multiple images straight gallery

<input type="file" accept="image/*" multiple>


first 2 inputs open system popup asking if want capture file, or select gallery. third 1 go straight gallery , filter images, can't select videos crash app.

if has different solution, i'm ears , willing buy him beer :d


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