Android-activity State Save

Source: Internet
Author: User
Android-activity State Save

An application in case of an unexpected save
1 onsaveinstancestate used with Oncreat, OnPause before the call


2 Onrestoreinstancestate method, called after OnCreate, does not use the system in general


3 So the official recommendation we all use OnCreate to recover, because sometimes onrestoreinstancestate will not be called


Two normal preservation

1 system Recovery in shielded Onsaveinstancestate
2 inside the Onrestoreinstancestate method restores


Three attached two pictures






Four questions
1 How activity saves and restores state
Onsaveinstancestate and Oncreat, official recommendation

Onrestoreinstancestate not used

Android-activity State Save

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