Tab widget with swipe

Activity.java

public class Activity extends AppCompatActivity {

    private TabLayout tabLayout;    private ViewPager viewPager;
    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);        setContentView(R.layout.activity);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);        setSupportActionBar(toolbar);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);        getSupportActionBar().setDisplayShowHomeEnabled(true);
        viewPager = (ViewPager) findViewById(R.id.viewpager);        setupViewPager(viewPager);
        tabLayout = (TabLayout) findViewById(R.id.tabs);        tabLayout.setupWithViewPager(viewPager);    }

    private void setupViewPager(ViewPager viewPager) {
        ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager());        adapter.addFragment(new Fragment1(), "TODAY");        adapter.addFragment(new Fragment1(), "YESTERDAY");        adapter.addFragment(new Fragment1(), "LAST WEEK");        viewPager.setAdapter(adapter);    }
    class ViewPagerAdapter extends FragmentPagerAdapter {
        private final List<Fragment> mFragmentList = new ArrayList<>();        private final List<String> mFragmentTitleList = new ArrayList<>();
        public ViewPagerAdapter(FragmentManager manager) {
            super(manager);        }

        @Override        public Fragment getItem(int position) {
            return mFragmentList.get(position);        }

        @Override        public int getCount() {
            return mFragmentList.size();        }

        public void addFragment(Fragment fragment, String title) {
            mFragmentList.add(fragment);            mFragmentTitleList.add(title);        }

        @Override        public CharSequence getPageTitle(int position) {
            return mFragmentTitleList.get(position);        }
    }
}

activity.xml (layout)

<?xml version="1.0" encoding="utf-8"?><android.support.design.widget.CoordinatorLayout 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"android:fitsSystemWindows="true">
    <android.support.design.widget.AppBarLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:theme="@style/AppTheme.AppBarOverlay">
        <android.support.v7.widget.Toolbar            android:id="@+id/toolbar"            android:minHeight="?attr/actionBarSize"            android:background="@drawable/toolbar_bg"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:gravity="center_horizontal">        </android.support.v7.widget.Toolbar>
        <android.support.design.widget.TabLayout            android:id="@+id/tabs"            android:layout_width="match_parent"            android:layout_height="50dp"            app:tabMode="fixed"            app:tabGravity="fill"            app:tabIndicatorColor="#FFFFFF"            app:tabSelectedTextColor="@color/colorWhite"            app:tabIndicatorHeight="2dp"            android:background="@drawable/bg_tabview"/>
    </android.support.design.widget.AppBarLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="vertical">
        <View            android:layout_width="match_parent"            android:layout_height="?attr/actionBarSize"            android:layout_marginBottom="50dp"/>
        <android.support.v4.view.ViewPager            android:id="@+id/viewpager"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:background="@color/colorBackground">        </android.support.v4.view.ViewPager>
    </LinearLayout>

</android.support.design.widget.CoordinatorLayout>

Fragment1.java

public class Fragment1 extends Fragment {

    @Override    public View onCreateView(LayoutInflater inflater, ViewGroup container,                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment1, container, false);
        return view;    }
}

fragment1.xml (layout)

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical" android:layout_width="match_parent"    android:layout_height="match_parent">    <ScrollView        android:layout_width="match_parent"        android:layout_height="wrap_content">        <LinearLayout            style="@style/mainWrapper"            android:padding="0dp">            <LinearLayout                android:layout_width="match_parent"                android:layout_height="wrap_content"                android:orientation="vertical">                <View                    android:layout_width="2dp"                    android:layout_height="500dp"/>            </LinearLayout>        </LinearLayout>    </ScrollView></LinearLayout>

bg_tabview.xml (drawable)

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">    <item>        <shape android:shape="rectangle" >            <solid android:color="#034ea1" />        </shape>    </item>    <item android:top="-2dp" android:right="-2dp" android:left="-2dp">        <shape>            <solid android:color="#034ea1" />            <stroke                android:width="1dp"                android:color="#e4e4e4" />        </shape>    </item></layer-list>