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<TITLE> [Mono-bugs] [Bug 551742] UIImagePicker leaks memory when using camera
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<H1>[Mono-bugs] [Bug 551742] UIImagePicker leaks memory when using camera</H1>
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<B>bugzilla_noreply at novell.com</B>
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<A HREF="mailto:mono-bugs%40lists.ximian.com?Subject=%5BMono-bugs%5D%20%5BBug%20551742%5D%20UIImagePicker%20leaks%20memory%20when%20using%0A%09camera&In-Reply-To=bug-551742-28286%40http.bugzilla.novell.com/"
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TITLE="[Mono-bugs] [Bug 551742] UIImagePicker leaks memory when using camera">bugzilla_noreply at novell.com
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<I>Mon Nov 2 14:18:45 EST 2009</I>
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<PRE><A HREF="http://bugzilla.novell.com/show_bug.cgi?id=551742">http://bugzilla.novell.com/show_bug.cgi?id=551742</A>
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User <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">gnorton at novell.com</A> added comment
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<A HREF="http://bugzilla.novell.com/show_bug.cgi?id=551742#c3">http://bugzilla.novell.com/show_bug.cgi?id=551742#c3</A>
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Geoff Norton <<A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">gnorton at novell.com</A>> changed:
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What |Removed |Added
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----------------------------------------------------------------------------
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Status|NEW |RESOLVED
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Resolution| |INVALID
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--- Comment #3 from Geoff Norton <<A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">gnorton at novell.com</A>> 2009-11-02 12:18:42 MST ---
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Mike,
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There are a few different things at play here. First UIImagePickerView
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appears to be a singleton under the hood, and keeps some things around for you
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to reuse it in the future, please see:
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<A HREF="http://stackoverflow.com/questions/1189707/memory-leak-problems-with-uiimagepickercontroller-in-iphone">http://stackoverflow.com/questions/1189707/memory-leak-problems-with-uiimagepickercontroller-in-iphone</A>
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Additionally, you're seeing further clicks coalesce some more memory because
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you keep adding new eventhandlers to the TouchUpInsideEvent:
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In FinishedLaunching you have:
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cameraButton.TouchUpInside += HandleCameraButtonTouchUpInside;
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But in HandleCameraButtonTouchUpInside you have:
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cameraButton.TouchUpInside += delegate {};
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So every time (after the first) that you click the button, you're adding
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another event handler to the list, causing the anonymous delegate to be invoked
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many times.
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--
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You are the QA contact for the bug.
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