Android Difference Between Activity And Fragment Which is Very Interesting

Activity is the part where the user will interacts with your application. FragmentActivity is for use with the backport of fragments found in the support-v4 and support-v13 libraries.

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A ctivity is the fundamental block of creating Android Application.

Android difference between activity and fragment. Use androidappFragment with Activity. Fragment are part of an activity. Activity is not lite weight.

If your project is targeting HoneyComb or newer only you should use Activity and not FragmentActivity to hold your Fragments. Objects created in the main activity of an application cant be accessed by its fragments. For Activity we just need to mention in Manifest but for fragment its not required.

Fragment represents a behavior or a portion of user interface in. Activity a lot of memory used and the fragment is non-memory used. Fragments can also be thought like a sub activity.

On the other hand the complete screen with which the user interact is called as activity. With this fragments activity. Differences between Activity and fragments in Android A fragment is the part of the activity which has its own UI for that activity.

A fragment defines and manages its own layout has its own lifecycle and can handle its own input events. Fragments cannot live on their own–they must be hosted by an activity or another fragment. The child FragmentManager is the one that handles Fragments contained within only the Fragment that it was added to.

The bundle has put and get methods for all primitive types Parcelables and Serializable. Its own lifecycle. The fragment is the lite weight.

However this can be remedied through the use of bundles. The fragments view hierarchy becomes part of or attaches to the hosts view hierarchy. Receives its own input events.

Activity represents the whole screen and Fragment will be a portion of UI inside the Activity. Activity is the baseline. Difference between Android Fragment Lifecycle and Activity The main difference is that Activity creates only one view for the entire lifetime but fragments views can be recreated and even dynamically changed during their lifetime.

Sometimes we need to send some valuable data to another activity or fragment So when passing data to an activity or a fragment in Android the Bundle is used to contain the data and ship it to the activity or fragment to be launched. In other words it is responsible for creating a window to hold your UI components. This structure is largely intended to foster code reuse and facilitate economies of scale.

Bundles are special objects which can store. Fragment can be thought like a sub activity whereas the complete screen with which user interacts is called as activity. The native implementation of fragments was added in API Level 11 which is higher than your proposed minSdkVersion values.

A Fragment is a section of an Activity which has. Every activity inherits from Activity directly or indirectly. Technically Speaking Both Activity and Fragment are the View Containers in android app in which a user can see UI.

We can combine 2 or more fragments. The activity has own life cycle but fragment has there own life cycle. Multiple fragments can be combined within a single activity and conversely the same fragment can often be reused across multiple activities.

Because of this difference we need to treat the fragment lifecycle a little bit differently. An activity can contain multiple fragments. 8 rows Activity is the UI of an application through which user can interact and Fragment is the part of.

In General Terms Activity indicates a room in the house and fragment indicates a portion of the room. Activity – fragmentactivity – AppCompatActivity – ActionBarActivity means AppCompatActivity inherits FragmentActivity and FragmentActivity inherent Activity. Basically the difference is that Fragments now have their own internal FragmentManager that can handle Fragments.

Differences Between Activity and Fragment The most significant difference between an activity and a fragment is how one is stored in its respective back stack. The FragmentActivity class has an API for dealing with Fragments whereas the Activity class prior to HoneyComb doesnt. The other FragmentManager is contained within the entire Activity.

As there are a lot of android devices with different resolutions its a bit tough to handle all of those thats where fragments come handy. Activity is the base Class of all other Activities. UI components and how to build a layout will be discussed in another article.

For an activity the back stack is managed by the system and in most cases you would not have to worry about it.

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