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Android ViewPager Fragment Example | Implement Unlimited Fragments

In Android anyone can create fragments that are views on an activity with different behavior which can be used to build a multi-pane User interface. In this blog you'll see Android ViewPager Fragment Example in which we will create fragments on activity.

However, the best part about fragments are that they can be reused in multiple activities.

Android ViewPager Fragment Example

Here is a step by step tutorial on Android ViewPager Fragment Example:

Android ViewPager Fragment Example
Android ViewPager Fragment Example

  • Open Android Studio and create a new Project. 
  • Create an Empty Blank Activity in the project.
  • Wait for Gradle to build and then go to Project in the Left Corner.
  • Have Android Selected in the Project Drop down menu and go to your package name in the Java folder (app > java > 'com.cpmpanyname.appname')
  • Right click on the folder and then go to New > Java Class
  • Name this class as ViewPagerAdapter as keep visibility as public with no modifiers.
  • Once the class is created open it and extend the class to FragmentPagerAdapter.
  • Now click inside curly braces and press Ctrl + I and then implement the respective methods: getItem(position) and getCount();
Android ViewPager Fragment Example
Android ViewPager Fragment Example

  • Again go and click on one of the curly braces of class and now press Alt + Insert and select 'Constructor', create an empty constructor.
  • Now create two Array list, one ArrayList<String> for Tab titles and another ArrayList<Fragment> for fragments.
  • Now create addFragments method for the Array Lists.
  • In the getItem() method return fragments.get(position) and in getCount() method return fragments.size().
  • Now in the class ViewPagerAdapter, override a method by clicking Alt + Insert and click override method and search for public CharSequence getPageTitle(int position). In this method return tabTitles.get(position);
  • TaDa! Now the ViewPagerAdapter class is ready and now add some fragments by going to app in project on the right and right click on 'app' and then go to New > Fragment > Fragment (Blank).
  • Now go to activity_main.xml or activity where you want to inflate the fragments.
  • Create AppBarLayout for TabLayout where tabs will be created and viewPager after AppBarLayout where Fragments will be inflated by using code shown below:

<    android:id="@+id/toolbar"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:fitsSystemWindows="true"    android:minHeight="?attr/actionBarSize"    android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">

    <        android:id="@+id/tablayout"        android:layout_width="match_parent"        android:layout_height="wrap_content"        app:tabBackground="?attr/selectableItemBackground"        app:tabGravity="fill"        app:tabIndicatorColor="@color/colorPrimaryDark"        app:tabIndicatorHeight="5dp"        app:tabMode="scrollable">

<    android:id="@+id/viewPager"    android:layout_width="match_parent"    android:layout_height="match_parent">

  • Now go to activity where you want to inflate these fragments and create two variables there. 

TabLayout tablayout;
ViewPager viewPager;ViewPagerAdapter viewPagerAdapter;

// Inside onCreate() method
tablayout = findViewById(;viewPager = findViewById(;

  • Now write following lines of code:

viewPagerAdapter = new ViewPagerAdapter(getSupportFragmentManager());
viewPagerAdapter.addFragments(new Last7Days(), "Last 7 Days");viewPagerAdapter.addFragments(new last30days(), "Last 30 Days");viewPagerAdapter.addFragments(new last90days(), "Last 90 Days");viewPagerAdapter.addFragments(new last365days(), "Last 365 Days");viewPager.setAdapter(viewPagerAdapter);tablayout.setupWithViewPager(viewPager);

In the code above fragments can be added by using following line of code:

viewPagerAdapter.addFragments(new fragment_name(), "Fragment Name to Appear in Tab");

Now you've successfully created and inflated fragments. 

Here we will wrap up this tutorial on Android ViewPager Fragment Example. If you face any issues please comment below we will help resolve your issues.


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