What is FragmentPagerAdapter?

Implementation of PagerAdapter that represents each page as a Fragment that is persistently kept in the fragment manager as long as the user can return to the page. This version of the pager is best for use when there are a handful of typically more static fragments to be paged through, such as a set of tabs.

How do I refresh FragmentPagerAdapter?

You can use startActivityForResult(or broadcast/receiver) to get the result from the activity. Then use adapter. notifyDataSetChanged to refresh the fragment.

Is PagerAdapter deprecated?

Technically, ViewPager is not deprecated, but the two concrete PagerAdapter implementations — FragmentPagerAdapter and FragmentStatePagerAdapter — are deprecated.

What is a ViewPager?

ViewPager in Android allows the user to flip left and right through pages of data. In our android ViewPager application we’ll implement a ViewPager that swipes through three views with different images and texts.

What is an Android adapter?

In Android, Adapter is a bridge between UI component and data source that helps us to fill data in UI component. It holds the data and send the data to an Adapter view then view can takes the data from the adapter view and shows the data on different views like as ListView, GridView, Spinner etc.

What is Behavior_resume_only_current_fragment?

FragmentStatePagerAdapter(fm,BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT). BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT, it means offset fragments will be executed on onStart() and the current fragment will be executed onStart() and onResume().

What is setOffscreenPageLimit in Android?

setOffscreenPageLimit(limit: Int) Set the number of pages that should be retained to either side of the current page in the view hierarchy in an idle state.

What is difference between activity and FragmentActivity?

FragmentActivity is part of the support library, while Activity is the framework’s default class. They are functionally equivalent. You should always use FragmentActivity and android. support.

What is Viewpageradapter?

ViewPager in Android is a class that allows the user to flip left and right through pages of data. This class provides the functionality to flip pages in app. It is a widget found in the support library. To use it you’ll have to put the element inside your XML layout file that’ll contain multiple child views.

What does an adapter do?

An adapter or adaptor is a device that converts attributes of one electrical device or system to those of an otherwise incompatible device or system. Some modify power or signal attributes, while others merely adapt the physical form of one connector to another.