android studio java how to save activity

For example a quiz app would know which questions have been asked, how many answers were correct, or incorrect, and which question was next. The term state is used to describe the data an application has at a moment in time, what the app is displaying, and the work it is performing. If not familiar with app programming in Studio then Tek Eye has beginners articles.) What is Activity State? (This tutorial assumes that an app can be created and run in Android Studio. after taking a phone call, the screen is expected to be the same as when it was last viewed, that includes any values entered into any fields. Despite the possibility of activities being suspended or killed users expect apps to be robust. See the Android Activity Lifecycle on the Android developer site, and the article Testing Android's Activity Lifecycle for a lifecycle overview. The Android operating system (OS) will pause, stop or kill Activities as required to maintain an efficient and smooth user experience. Saving Activity State in an App when it's InterruptedĪndroid developers soon become aware of the precarious existence of the Activities they code in their applications (apps).

Android studio java how to save activity