The following statement gets the configurationĪn application is made up of multiple activities And as you know one activity can start another activity, which can, in turn start another activity Activities are connected together as a task Whether in the same or different applications This sequence of activities in a task is called the back stackĪ fragment is a behavior or part of a user interface that can be placed in an activity Use it to create a multi-pane UI Reuse the same fragment in multiple activities Think of a fragment as a modular section of an activity which: Has its own lifecycle Receives its own input eventsįragments are always embedded in an activity Fragments are controller objects An activity’s view contains visual space where the fragment’s view will be inserted An activity can have several fragments Fragments were introduced at API level 11 along with the first tables There is a support library for older versions 2 Lecture Overview Another way to get configuration informationĬonceptualizing the Back Stack Introduction to fragmentsĪ contains configuration information about your device Screen size: screenHeightDP, screenWidthDP Orientation contained in the orientation property: ORIENTATION_LANDSCAPE, ORIENTATION_PORTRAIT
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