- ANDROID STUDIO FRAGMENT GETAPPLICATIONCONTEXT HOW TO
- ANDROID STUDIO FRAGMENT GETAPPLICATIONCONTEXT REGISTRATION
However using the ApplicationContext elsewhere can easily lead to serious leaks if you forget to unregister, unbind, etc. This is necessary if the receiver is associated with static data, not a particular component.
ANDROID STUDIO FRAGMENT GETAPPLICATIONCONTEXT HOW TO
Thus it will never be unregistered for you. How to use Fragments in Android - Android Advanced Tutorial 1In this video I go over how to use Fragments in Android. If used from the Context returned here, the receiver is being registered with the global state associated with your application.
ANDROID STUDIO FRAGMENT GETAPPLICATIONCONTEXT REGISTRATION
Thus, if you use the Activity context to register a receiver that is static (global to the process, not associated with an Activity instance) then that registration will be removed on you at whatever point the activity you used is destroyed.
This means that you are expected to unregister before the activity is done being destroyed in fact if you do not do so, the framework will clean up your leaked registration as it removes the activity and log an error. If used from an Activity context, the receiver is being registered within that activity. FragmentActivity.getApplicationContext (Showing top 20 results out of 936) 4. This generally should only be used if you need a Context whose lifecycle is separate from the current context, that is tied to the lifetime of the process rather than the current component.Ĭonsider for example how this interacts with registerReceiver(BroadcastReceiver, IntentFilter):
The fragment’s view hierarchy becomes part of, or attaches to, the host’s view. Fragments cannot live on their own-they must be hosted by an activity or another fragment. A fragment defines and manages its own layout, has its own lifecycle, and can handle its own input events. Return the context of the single, global Application object of the current process. You can get the context using getActivity (). A Fragment represents a reusable portion of your apps UI.
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