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We can’t create multi-screen UI without using fragment in an activity,Īfter using multiple fragments in a single activity, we can create a multi-screen UI.įragment cannot be used without an Activity.Ĭreating a project using only Activity then it’s difficult to manage We need to mention all activity it in the manifest.xml fileįragment is not required to mention in the manifest file The fragment is only part of an activity, it basically contributes its UI to that activity.įragment is dependent on activity. To read more refer to Fragment Lifecycle in Android Difference TableĪctivity is an application component that gives a user interface where the user can interact. Activity is the UI of an application through which user can interact and Fragment is the part of the Activity, it is a sub-Activity inside activity which has its own Life Cycle which runs parallel to the Activities Life Cycle. It is possible to develop a UI only using Activities, but this is generally a bad idea since their code cannot later be reused within other Activities, and cannot support multiple screens. We can add or remove fragments in an activity while the activity is running. It has its own layout and its own behavior with its own life cycle callbacks. We can call a fragment is a kind of sub-activity. It is basically a piece of an activity that enables more modular activity design. Fragments, as tablets emerged with larger screens, are reusable components that are attached to and displayed within activities. An activity can host one or more fragments at a time. External Storage in Android with ExampleĪn Activity is a user interface component that is mainly used to construct a single screen of the application and represents the main focus of attention on a screen.Firebase Authentication with Phone Number OTP in Android. ANDROID STUDIO FRAGMENT CANT WORK HOW TO
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