July 2015
Beginner to intermediate
600 pages
18h 59m
English
book
Android Programming: The Big Nerd Ranch Guide, 2nd Edition
by Bill Phillips, Chris Stewart, Brian Hardy, Kristin Marsicano
Content preview from Android Programming: The Big Nerd Ranch Guide, 2nd Edition
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3 The Activity Lifecycle
Every instance of Activity has a lifecycle. During this lifecycle, an activity transitions between three states: running, paused, and stopped. For each transition, there is an Activity method that notifies the activity of the change in its state. Figure 3.1 shows the activity lifecycle, states, and methods.
Figure 3.1 Activity state diagram
Subclasses of Activity can take advantage of the methods named in Figure 3.1 to get work done at critical transitions in the activity’s lifecycle.
You are already acquainted with one of these methods – onCreate(Bundle). The OS calls this method ...
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