Commits on Oct 18, 2024

1. Creating .NET MAUI Project sometimes causes error *.png is being used… …

   … by another process
   
   Fixes dotnet#25207
   Context
   dotnet/android-tools#245
   dotnet/android#9409
   
   So there is a problem where the design time builds (DTB) of android sometimes
   lock files. This can happen when two processes try to write to the same
   file. This is not a great experience for our users as it just fails the build.
   
   So lets try a few things to fix this.
   
   1. Move the Resizetizer output for a DTB into the android
   `$(IntermediateOutputPath)designtime` folder. This will keep the DTB files
   completely separate. This should prevent clashes.
   2. Add some retry code to the `SkiaSharpTools.Save` method. This will catch
   `UnauthorizedAccessException` exceptions as well as specific `IOException` types
   (Access Denied and Sharing Violation). This will allow us to catch when this happens
   and retry the write. There is a small delay before attempting to write the file
   again.
   
   Note these code uses the Identical code as we are going to use in Android.
   We have introduced two new environment variables which can be used to
   control the new behavior.
   
   1. `DOTNET_ANDROID_FILE_WRITE_RETRY_ATTEMPTS`. Integer, controls the number of times
   we try to write the file. The default is 10.
   2. `DOTNET_ANDROID_FILE_WRITE_RETRY_DELAY_MS`. Integer, controls the delay in
   milliseconds between retry attempts.  Default is 1000ms (or 1 second).

   

   dellis1972 committed Oct 18, 2024
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