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  • How to make Tabs ViewPager with the using Fragments in android

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    In the below example I have created a Tabs ViewPager by using three fragments. Before creating layout firstly I have added design libraries in the dependencies section of build.gradle file. Then I have created three fragments layout, in this I have added ImageView with in LinearLayout.

    In activity_main.xml layout I have added Toolbar, TabLayout and ViewPager with in RelativeLayout. Now see in coding part I have created three new fragments classes and a PagerAdapter class , fragments classes extends with Fragment class and PagerAdapter class extends with FragmentStatePagerAdapter class. In MainActivity I have set text tabsLayouts and used OnTabSelectedListener() method. You can see below program it will clearly describe you How to make Tabs ViewPager with the using Fragments in android.

    Step(1)-Added these libraries in the dependencies section of your build.gradle file-

       

        compile 'com.android.support:design:23.1.1'
        compile 'com.android.support:support-v4:22.0.0'

    Step(2)-Created a new tab_fragment1.xml layout-
     

    <?xml version="1.0" encoding="utf-8"?>
    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
    
        <ImageView
            android:id="@+id/textView"
            android:background="@drawable/two"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"/>
    
    </RelativeLayout>

    Step(3)-Created a new tab_fragment2.xml layout-
     

     <?xml version="1.0" encoding="utf-8"?>
    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
    
        <ImageView
            android:id="@+id/textView"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:layout_centerInParent="true"
            android:background="@drawable/one"/>
    
    </RelativeLayout>
    
    

    Step(4)-Created a new tab_fragment3.xml layout-
     

    <?xml version="1.0" encoding="utf-8"?>
    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
    
        <ImageView
            android:id="@+id/textView"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:background="@drawable/three"/>
    
    </RelativeLayout>

    Step(5)-activity_main.xml layout-
     

    <RelativeLayout
        android:id="@+id/main_layout"
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".MainActivity">
    
        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_alignParentTop="true"
            android:background="?attr/colorPrimary"
            android:elevation="6dp"
            android:minHeight="?attr/actionBarSize"
            android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
            app:popupTheme="@style/ThemeOverlay.AppCompat.Light"/>
    
        <android.support.design.widget.TabLayout
            android:id="@+id/tab_layout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@+id/toolbar"
            android:background="?attr/colorPrimary"
            android:elevation="6dp"
            android:minHeight="?attr/actionBarSize"
            android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"/>
    
        <android.support.v4.view.ViewPager
            android:id="@+id/pager"
            android:layout_width="match_parent"
            android:layout_height="fill_parent"
            android:layout_below="@id/tab_layout"/>
    
    </RelativeLayout>

    Step(6)-Created a new class TabFragment1-
     

        public class TabFragment1 extends Fragment {
        @Override
        public View onCreateView(LayoutInflater inflater,ViewGroup container,Bundle savedInstanceState){
            return inflater.inflate(R.layout.tab_fragment_1,container,false);
        }
    }

    Step(7)-Created a new class TabFragment2-
     

     public class TabFragment2 extends Fragment {
        @Override
        public View onCreateView(LayoutInflater inflater,ViewGroup container,Bundle savedInstanceState){
            return inflater.inflate(R.layout.tab_fragment_2,container,false);
        }
      }
    
    }

    Step(8)-Created a new class TabFragment3-
     

    public class TabFragment3 extends Fragment  {
        @Override
        public View onCreateView(LayoutInflater inflater,ViewGroup container,Bundle savedInstanceState){
            return inflater.inflate(R.layout.tab_fragment_3,container,false);
        }
    }

    Step(9)-Created a new PagerAdapter class-
     

    public class PagerAdapter  extends FragmentStatePagerAdapter {
        int mNumOfTabs;
    
        public PagerAdapter(FragmentManager fm, int NumOfTabs) {
            super(fm);
            this.mNumOfTabs = NumOfTabs;
        }
    
        @Override
        public Fragment getItem(int position) {
    
            switch (position) {
                case 0:
                    TabFragment1 tab1 = new TabFragment1();
                    return tab1;
                case 1:
                    TabFragment2 tab2 = new TabFragment2();
                    return tab2;
                case 2:
                    TabFragment3 tab3 = new TabFragment3();
                    return tab3;
                default:
                    return null;
            }
        }
    
        @Override
        public int getCount() {
            return mNumOfTabs;
        }
    }

    Step(10)-MainActivity-
     

    public class MainActivity extends AppCompatActivity {
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
    
            TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
            tabLayout.addTab(tabLayout.newTab().setText("BBDNITM"));
            tabLayout.addTab(tabLayout.newTab().setText("SVM"));
            tabLayout.addTab(tabLayout.newTab().setText("NIC"));
            tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
    
            final ViewPager viewPager = (ViewPager) findViewById(R.id.pager);
            final PagerAdapter adapter = new PagerAdapter
                    (getSupportFragmentManager(), tabLayout.getTabCount());
            viewPager.setAdapter(adapter);
            viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));
            tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
                @Override
                public void onTabSelected(TabLayout.Tab tab) {
                    viewPager.setCurrentItem(tab.getPosition());
                }
    
                @Override
                public void onTabUnselected(TabLayout.Tab tab) {
    
                }
    
                @Override
                public void onTabReselected(TabLayout.Tab tab) {
    
                }
            });
        }
    
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
            getMenuInflater().inflate(R.menu.menu_main, menu);
            return true;
        }
    
        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
            int id = item.getItemId();
            if (id == R.id.action_settings) {
                return true;
            }
    
            return super.onOptionsItemSelected(item);
        }
    }

     

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