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You're reading from  Android Studio 4.1 Development Essentials – Java Edition

Product typeBook
Published inMay 2021
PublisherPackt
ISBN-139781801815161
Edition1st Edition
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Neil Smyth
Neil Smyth
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Neil Smyth

Neil Smyth has over 25 years of experience in the IT industry, including roles in software development and enterprise-level UNIX and Linux system administration. In addition to a bachelor’s degree in information technology, he also holds A+, Security+, Network+, Project+, and Microsoft Certified Professional certifications and is a CIW Database Design Specialist. Neil is the co-founder and CEO of Payload Media, Inc. (a technical content publishing company), and the author of the Essentials range of programming and system administration books.
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15.2 Default Saving of User Interface State

In the previous chapter, the diagnostic output from the StateChange example application showed that an activity goes through a number of state changes when the device on which it is running is rotated sufficiently to trigger an orientation change.

Launch the StateChange application once again, this time entering some text into the EditText field prior to performing the device rotation (on devices or emulators running Android 9 or later it may be necessary to tap the rotation button in the located in the status bar to complete the rotation). Having rotated the device, the following state change sequence should appear in the Logcat window:

onPause

onStop

onSaveInstanceState

onDestroy

onCreate

onStart

onRestoreInstanceState

onResume

Clearly this has resulted in the activity being destroyed and re-created. A review of the user interface of the running application, however, should show that the text entered into the...

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Android Studio 4.1 Development Essentials – Java Edition
Published in: May 2021Publisher: PacktISBN-13: 9781801815161

Author (1)

author image
Neil Smyth

Neil Smyth has over 25 years of experience in the IT industry, including roles in software development and enterprise-level UNIX and Linux system administration. In addition to a bachelor’s degree in information technology, he also holds A+, Security+, Network+, Project+, and Microsoft Certified Professional certifications and is a CIW Database Design Specialist. Neil is the co-founder and CEO of Payload Media, Inc. (a technical content publishing company), and the author of the Essentials range of programming and system administration books.
Read more about Neil Smyth