Understanding the activity lifecycle
The Android OS is a dangerous place for an activity. The demand for resources on a battery-operated platform is managed quite ruthlessly by the system. Our activities can be dumped from memory when it's running low, without even a moment's notice and along with any data they contain. Therefore, it is essential to understand the activity lifecycle.
The following diagram shows the stages through which an activity passes during its lifetime:
Along with the stages, the diagram also shows the methods that can be overridden. As you can see, we've already utilized most of these methods in the preceding recipes. Hopefully, ...
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