Fragment can be used in multiple activities.ĥ. Fragments has its own layout and its own behaviour with its own life cycle callbacks.Ĥ. For Example if we replace a Fragment and add it in back stack then on pressing the Back button on device it display the previous Fragment.ģ. back stack allow us to reverse a Fragment transaction on pressing Back button of device. While performing Fragment Transaction we can add a Fragment into back stack that’s managed by the Activity. We can manipulate each Fragment independently, such as add or remove them. We can create Fragments by extending Fragment class or by inserting a Fragment into our Activity layout by declaring the Fragment in the activity’s layout file, as a element. Important Related Read: Fragment Lifecycle We always need to embed Fragment in an activity and the fragment lifecycle is directly affected by the host activity’s lifecycle. We can combine multiple Fragments in Single Activity to build a multi panel UI and reuse a Fragment in multiple Activities. It represents a behaviour or a portion of user interface in an Activity. It will not be wrong if we say a fragment is a kind of sub-activity. In Android, Fragment is a part of an activity which enable more modular activity design. Import 7.app.Fragment Tutorial With Example In Android Studio Once we create a new layout resource file result.xml, open it and write the code like as shown below result.xml Now we will create another layout resource file result.xml in \src\main\res\layout path to get the first activity ( activity_main.xml) details in second activity file for that right click on your layout folder à Go to New à select Layout Resource File and give name as result.xml.
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