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Asynchronous Android by Steve Liles

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Common AsyncTask issues

As with any powerful programming abstraction, AsyncTask is not entirely free from issues and compromises.

Fragmentation issues

In the Controlling the level of concurrency section, we saw how AsyncTask has evolved with new releases of the Android platform, resulting in behavior that varies with the platform of the device running the task, which is a part of the wider issue of fragmentation.

The simple fact is that if we target a broad range of API levels, the execution characteristics of our AsyncTasks—and therefore, the behavior of our apps—can vary considerably on different devices. So what can we do to reduce the likelihood of encountering AsyncTask issues due to fragmentation?

The most obvious approach is to deliberately ...

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