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Context: dotnet/java-interop#719
Modify "old" bindings, so that they hold the object reference
long enough to avoid above issue.
It is implemented as linker step, which looks for offended methods
and injects call to
System.GC.KeepAlive
to prevent prematurecollection.
The injection can be disabled with
AndroidAddKeepAlives
propertyset to false.
The property's default value depends on
AndroidIncludeDebugSymbols
property and is thus true for release builds and false for debug.
The impact on release build of XA forms template (flyout variety) is
cca 137ms on my machine.
Disabled:
Enabled:
Example updated method body:
Added new
AndroidAddKeepAlives
test toLinkerTests.cs
to checkwhether registered method was updated.