Why we use baseActivity in Android?

It makes it easy to start writing new activities and fragments, that are well know by all developers, instead of making them understand your version of activities and fragments!

What is base activity class?

It’s always been a good idea to make a baseActivity in android project. Usually one screen is represented by an activity. Suppose, you have 3 custom activity classes (i.e, you writes them) in your android project. Activity called baseActivity and make the 3 custom activity to extend from baseActivity.

What is base fragment?

So, you need to make something like this: public class ChildFragment extends BaseFragment { private AppCompatTextView mTvChild; public ChildFragment() { // Required empty public constructor } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = …

Which one is the super class of activity?

Context is the base class for Activity. The Application class in Android is the base class within an Android app that contains all other components such as activities and services.

What is base activity?

An activity base is a measured activity that is used to allocate overhead costs. For example, the number of machine hours used during a reporting period is a reasonable activity to use as the basis for allocating machine costs to units produced.

What is Appcompat activity?

androidx.appcompat.app.AppCompatActivity. Base class for activities that wish to use some of the newer platform features on older Android devices. Some of these backported features include: Using the action bar, including action items, navigation modes and more with the setSupportActionBar(Toolbar) API.

What is base class in Android?

Overview. The Application class in Android is the base class within an Android app that contains all other components such as activities and services. The Application class, or any subclass of the Application class, is instantiated before any other class when the process for your application/package is created.

What is the fragment life cycle 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.

Which is not related to fragment class?

Answer is “CursorFragment”

When should I use AppCompatActivity?

2019: Use AppCompatActivity At the time of this writing (check the link to confirm it is still true), the Android Documentation recommends using AppCompatActivity if you are using an App Bar. Beginning with Android 3.0 (API level 11), all activities that use the default theme have an ActionBar as an app bar.