How to manage the activity state in android?
The activity could go for destruction during its
lifecycle by the system. If the system has enough memory the system allows the
activities in memory otherwise send the activity to destroy. When user
navigates the activity back the system recreate the activity object without
notice of user.
In this case the state of the activity is lost. To
manage the activity state and data before destroy the onSaveInstanceState
Method will be called. All the activity objects can be saved by implementing
the callback method.
The data can be resume and process back on
onResumeInstanceState method.
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