Tablayout和ViewPager关联

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首先需要添加一个依赖：

compile 'com.android.support:design:26+'

布局文件：

<?xml version="1.0" encoding="utf-8"?><LinearLayout 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:orientation="vertical"    >    <android.support.design.widget.TabLayout        android:id="@+id/tablelatout"        android:layout_width="match_parent"        android:layout_height="wrap_content" />    <android.support.v4.view.ViewPager        android:id="@+id/vp"        android:layout_width="match_parent"        android:layout_height="0dp"        android:layout_weight="1" /></LinearLayout>

主类：

package com.bwei.ssp.tablalayout;import android.os.Bundle;import android.support.design.widget.TabLayout;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentManager;import android.support.v4.app.FragmentPagerAdapter;import android.support.v4.view.ViewPager;import android.support.v7.app.AppCompatActivity;import java.util.ArrayList;import java.util.List;public class MainActivity extends AppCompatActivity {    private TabLayout tabley;    private ViewPager vp;    List<Fragment>Flist =new ArrayList<>();    List<String>Slist =new ArrayList<>();    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        tabley = (TabLayout) findViewById(R.id.tablelatout);        vp = (ViewPager) findViewById(R.id.vp);        initData();        Madapter madapter = new Madapter(getSupportFragmentManager());        vp.setAdapter(madapter);        //设置TabLayout的模式        tabley.setTabMode(TabLayout.MODE_FIXED);        //让tablayout和Viewpager关联;        tabley.setupWithViewPager(vp);     }private void initData() {    for (int i = 0; i <4 ; i++) {        Flist.add(new F1());        Slist.add("do not love"+1);    }    }    private class Madapter extends FragmentPagerAdapter{        public Madapter(FragmentManager fm) {            super(fm);        }        @Override        public Fragment getItem(int position) {            return Flist.get(position);        }        @Override        public int getCount() {            return Flist.size();        }        @Override        public CharSequence getPageTitle(int position) {            return Slist.get(position);        }    }    private class MODE_FIXED {    }}

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