1Example: Android Activity Graphs
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3
4Building on top of the simple Android example, this example demonstrates how it is possible to
5create child graphs for each activity which extend from the global graph.
6
7Some of the advantages of the activity scope:
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9 * Provides the ability to inject objects which require the activity to be constructed.
10 * Allows for the use of singletons on a per-activity basis. This is a great way to manage a
11   resource that is shared by a bunch of fragments in an activity.
12 * Keeps the global object graph clear of things that can be used only by activities.
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14While this example only shows the presence of an activity scope, you should be able to see the
15potential for other useful scopes that can be used. For example, having a dedicated object graph
16for the current user session is a great way to manage data that is tied to the currently logged-in
17user.
18
19_Note: The app does not actually do anything when it is run. It is only to show how you can
20 structure Dagger within an Android app_
21
22_Note: The app is in transition to Dagger 2 and may not reflect recommended patterns.  Before
23 we release Dagger 2.0 it will, but until this note is removed, please do not rely on this
24 example as a strong recommendation._
25