TabLayout+Viewpager+Fragment

Main_布局

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:tools="http://schemas.android.com/tools"
              xmlns:app="http://schemas.android.com/apk/res-auto"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:orientation="vertical"
              tools:context=".MainActivity">
    <android.support.design.widget.TabLayout
        android:id="@+id/tabLayout"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        app:tabGravity="fill"
        app:tabIndicatorHeight="0dp"
        app:tabMode="fixed"
        app:tabSelectedTextColor="#FF4081"
        app:tabTextColor="#000">
    </android.support.design.widget.TabLayout>

    <android.support.v4.view.ViewPager
        android:id="@+id/viewPager"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:scrollbars="none">
    </android.support.v4.view.ViewPager>


</LinearLayout>

Main——主界面

package com.example.samsung.shuxingdonghuademo;


        import android.os.Bundle;
        import android.support.design.widget.TabLayout;
        import android.support.v4.app.Fragment;
        import android.support.v4.app.FragmentPagerAdapter;
        import android.support.v4.view.ViewPager;
        import android.support.v7.app.AppCompatActivity;

        import java.util.List;

        import fragment阿.Fragment1;
        import fragment.Fragment2;
        import fragment.Fragment3;
        import fragment.Fragment4;

public class ZhuJieMian extends AppCompatActivity {
    private TabLayout mTablayout;
    private ViewPager mViewPager;

    private TabLayout.Tab one;
    private TabLayout.Tab two;
    private TabLayout.Tab three;
    private TabLayout.Tab four;


    private TabLayout tabLayout;

    private List<String> list;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_zhu_jie_mian);

        //找控件
        initViews();
    }

    private void initViews() {
        mTablayout = (TabLayout) findViewById(R.id.tabLayout);
        mViewPager = (ViewPager) findViewById(R.id.viewPager);
        mViewPager.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {
            private String[] mTitles = new String[]{"最新日报", "专栏", "热门","主题日报"};
            @Override
            public Fragment getItem(int position) {
                if (position==0){
                    return new Fragment1();
                }else if (position==1){

                    return new Fragment2();
                }else if (position==2){
                    return new Fragment3();
                }else if(position==3){
                    return new Fragment4();

                }
                return null;
            }

            @Override
            public int getCount() {
                return mTitles.length;
            }
            @Override
            public CharSequence getPageTitle(int position) {
                return mTitles[position];
            }
        });
        mTablayout.setupWithViewPager(mViewPager);

        one = mTablayout.getTabAt(0);
        two = mTablayout.getTabAt(1);
        three = mTablayout.getTabAt(2);
        four = mTablayout.getTabAt(3);




    }
}