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DoinBackground is a free, open-source, and easy-to-use Android app that provides background information about the people who are in the background of your photos. It also provides information about where they work, what they do and more.

doInBackground(Params...) is a background thread function that is called after onPreExecute() completes its execution. This stage is used to execute lengthy background computations. The asynchronous task's arguments are delivered to this step.

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