Correct Way To Communicate The Result Of A Background Thread To The Ui Thread In Android
Answer : Background In Android, when an application is launched, the system creates a thread of execution for the application, called main thread (also known as the UI thread). Google introduces the main thread and its responsible as below. The main thread has a very simple design: Its only job is to take and execute blocks of work from a thread-safe work queue until its app is terminated. The framework generates some of these blocks of work from a variety of places. These places include callbacks associated with lifecycle information, user events such as input, or events coming from other apps and processes. In addition, app can explicitly enqueue blocks on their own, without using the framework. Nearly any block of code your app executes is tied to an event callback, such as input, layout inflation, or draw. When something triggers an event, the thread where the event happened pushes the event out of itself, and into the main thread’s message queue. The main thread can then servic...