Android Tablayout 的使用

效果如下

Android Tablayout 的使用_第1张图片

Android Tablayout 的使用_第2张图片

package com.example.robot.tablayout;import android.support.annotation.Nullable;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 android.os.Bundle;import java.util.ArrayList;import java.util.List;public class MainActivity extends AppCompatActivity {    TabLayout tabLayout;    ViewPager viewPager;    List fragments;    String[] title = {"标题1","标题2","标题3"};    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        this.tabLayout = findViewById(R.id.TabLayout);        this.viewPager = findViewById(R.id.viewPager);        fragments = new ArrayList<>();        fragments.add(new MainFragment1());        fragments.add(new MainFragment2());        fragments.add(new MainFragment3());        viewPager.setAdapter( new adapter( getSupportFragmentManager(), fragments));        tabLayout.setupWithViewPager(viewPager);    }    private  class  adapter extends FragmentPagerAdapter {        List fragments;        public adapter(FragmentManager fm, List list)        {            super(fm);            this.fragments = list;        }        @Override        public Fragment getItem(int i) {            return this.fragments.get(i);        }        @Override        public int getCount() {            return this.fragments.size();        }        @Nullable        @Override        public CharSequence getPageTitle(int position) {            //return super.getPageTitle(position);            return  title[position];        }    }}

工程下载：https://download.csdn.net/download/nicepainkiller/10855899

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