These functions include onCreate, onStart, onResume, onPause, onStop, and onDestroy.

For instance, an app can display a Snackbar or Toast message.Īlternatively, callback methods can also help in the management of the fragment’s lifecycle. As a result, certain actions can be executed. A LifecycleObserver allows the developer to detect when a specific fragment is active. This includes when they are initialized, started, created, resumed, and destroyed. This component tracks the fragments in all aspects of their lifecycle. Just like activities, fragments also have a lifecycle. Fragments are beneficial since they allow code to be divided into smaller and more manageable chunks. Fragments also have their logic and can thus, accept and handle different events. As we stated above, a fragment is a part of application’s user interface that is bound to an activity. What are fragments?īefore going any further, it’s essential to understand what fragments are or mean. These functionalities or features allow you to develop more interactive applications. This means that they can be used to showcase different messages or functions to the user. Fragments help enrich your UI design, pass data between different screens, and adapt to different device configurations. Fragments have their lifecycle and layouts or UI components. According to the Android documentation, a fragment is a part of applications user interface that is bound to an activity.

Android studio fragment types