Stack 5 interrup2ng a task user can interrupt what

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Unformatted text preview: uitable for suppor2ng repeated brief interac2ons with the app •  Hard limits on memory use •  Fast applica2on switching (less than 1 sec) •  Android applica2on ≠ process –  Applica2on could use a single process –  Applica2on can span mul2ple processes –  Mul2ple applica2ons may share a process COMP 4521 (Muppala) Android Tasks and Back Stack 5 Interrup2ng a Task •  User can interrupt what they're doing (their task) to perform a different task –  Can return to where they leS off to complete the original task –  Mul2tasking and switching between the tasks •  Task switching: –  User is interrupted by a no2fica2on – a no2fica2on appears and the user wants to act on it –  User deciding to perform another task – user just presses Home and starts an applica2on COMP 4521 (Muppala) Android Tasks and Back Stack 6 Ac2vi2es and Tasks •  Star2ng an Ac2vity from Home –  Home is the star2ng place for most applica2ons. (Some applica2ons can be launched only from other applica2ons.) –  When the user touches an icon in the applica2on launcher (or a shortcut on the Home screen), the applica2on is launched into the foreground where it has user focus COMP 4521 (M...
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This document was uploaded on 03/12/2014.

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