1.0.0 Example Code needs a few tweaks and fails Task.fromJson

[kiwicmc]

I like this component, but need to supply it with Survey questions externally.

To get to work with the hardcoded survey I needed to do the following:

Had to download app_bar_example.dart from git
Changed to https for video file: 'https://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4',
Added assets directory and downloaded example_json.json and fancy_checkmark.json from repo
Add assets to pubspec.yaml
Works with hard coded getSampleTask
When I try to load the JSON example for getJsonTask throws Exception

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! Error: Browsing on the local area network for iPhone XS. Ensure the device is unlocked and attached with a cable or associated with the same local area network as this Mac.
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  The device must be opted into Developer Mode to connect wirelessly. (code -27)

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