Thursday, May 09, 2013

N=14 - Adding the PictureChooser and File plugins to CollectABull - N+1 Days of MvvmCross

Continuing on the Collect-A-Bull sample, we add:

  • Image taking using the MvxPictureChooserTask
  • File read/write using the MvxFileStore
  • On-View image display using some value converters

The source code from the end of this step is at

I may have been a bit confusing when I talked about the value converters - sorry about this. The basic concept that I was trying to explain was:

  • the WindowsPhone Image control directly supports BitmapImage objects for its Source property
  • the WindowsPhone runtime knows how to load http:// urls and embedded app content/resource files into BitmapImage objects
  • but it does not know what to do with either byte[] arrays or with isolated storage file paths
  • to work around this problem, we provide two converters to do the work


Previously in N+1:

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