What is fragment lifecycle explain with diagram?
Methods of the Android Fragment
| Methods | Description |
|---|---|
| onAttach() | The very first method to be called when the fragment has been associated with the activity. This method executes only once during the lifetime of a fragment. |
| onCreate() | This method initializes the fragment by adding all the required attributes and components. |
What is the fragment lifecycle in Android?
Fragment life cycle is closely related to the life cycle of its host activity which means when the activity is paused, all the fragments available in the activity will also be stopped. A fragment can implement a behaviour that has no user interface component.
How does fragment work in Android?
A Fragment is a combination of an XML layout file and a java class much like an Activity . Using the support library, fragments are supported back to all relevant Android versions. Fragments encapsulate views and logic so that it is easier to reuse within activities.
What is fragments in Android with example?
In Android, Fragment is a part of an activity which enable more modular activity design. It will not be wrong if we say a fragment is a kind of sub-activity. It represents a behaviour or a portion of user interface in an Activity.
What is activity and fragment in Android?
Activity is the part where the user will interacts with your application. In other words, it is responsible for creating a window to hold your UI components. (UI components and how to build a layout will be discussed in another article). Fragment represents a behavior or a portion of user interface in an Activity.
What is true about fragments?
Explanation: A Fragment is a piece of an activity which enable more modular activity design. It will not be wrong if we say, a fragment is a kind of sub-activity.
What is the difference between activity and fragment in Android?
Activity is an application component that gives a user interface where the user can interact. The fragment is only part of an activity, it basically contributes its UI to that activity. Fragment is dependent on activity. It can’t exist independently.
What is difference between activity and fragment?
What is fragment and activity in Android?
How do you implement a fragment?
1.2 Add a Fragment
- In Project: Android view, expand app > java and select com.
- Choose File > New > Fragment > Fragment (Blank).
- In the Configure Component dialog, name the Fragment SimpleFragment.
- Uncheck the Include fragment factory methods and Include interface callbacks options.
What is the difference between fragment lifecycle and activity lifecycle?
It is always hosted by an activity. It has its own layout and its own behavior with its own life cycle callbacks. We can add or remove fragments in an activity while the activity is running….Difference Table.
| Activity | Fragment |
|---|---|
| Activity can exist without a Fragment | Fragment cannot be used without an Activity. |