Android Gallery and bad performance gotcha

If you’re using the Gallery component from android and experiencing “snappy” animations when your item is selected, you’re most likely doing too much in the UI thread OnItemSelected.

Always try and create a separate thread to do expensive tasks so your UI thread can keep the user happy. Also, look for ways to optimize what you’re trying to do in that method. For instance, instead of swapping out resources to reflect a UI update, make a stateful skin.

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