November 2017
Beginner to intermediate
348 pages
7h 57m
English
Content preview from Hands-On Android UI Development
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Making events quick
Android places very strict limits on the use of threads in applications: every application has a main thread, where all user-interface related code must run, but any long-running code will cause an error. Any attempt at networking on the main thread will result in a NetworkOnMainThreadException immediately, as networking by its very nature will block the main thread for too long, making the application unresponsive.
This means most tasks that you will want to perform should take place on a background worker thread. This will also provide you with a form of isolation from the user interface, as typically you will capture the user interface state on the main thread, pass the state to the background thread, process the event ...
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