iOS File Association, Preview, and Open In… with Xamarin

May 29, 2014

Many mobile apps need the ability to preview files -- email attachments, web links, cloud photos, and other assets. Some apps even need the ability to open and handle files themselves. Although file sharing between iOS applications hasn't always been available and easy, basic file sharing scenarios are now entirely accessible and easily available to any iOS app. In this post we'll take a look at how iOS apps can register as a file type handler for a specific file type, how apps can preview files, and how apps can trigger an "Open in..." dialog so that another app...
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Identifying Specific Reference Type Arrays with SOS

May 1, 2014

When you're looking for arrays of a specific type using SOS, you might notice a weird phenomenon. Value type arrays (such as System.Int32) will be shown properly regardless of which command you use, but reference type arrays (such as System.String) exhibit some weird behavior. Here's an example: 0:000> !dumpheap -stat Statistics: MT Count TotalSize Class Name ... 00007ffecf435740 2 304 System.Byte 00007ffecf4301c8 2 320 System.Threading.ThreadAbortException 00007ffecf4327d8 11 ...
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