TabLayout,viewpaper,frment获取轮播图

最新推荐文章于 2024-12-20 02:07:43 发布

原创最新推荐文章于 2024-12-20 02:07:43 发布 · 317 阅读

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本文介绍了一个使用Android Support库中的TabLayout和ViewPager组件来创建带标签页的应用实例。通过MainActivity代码展示了如何设置ViewPager和TabLayout，并从服务器获取数据填充到各标签页中。

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package com.exbawei.liteli.month1;

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 android.os.Bundle;


import com.exbawei.liteli.month1.bean.Bean;
import com.exbawei.liteli.month1.http.HttpUtil;
import com.exbawei.liteli.month1.http.RequestBean;
import com.google.gson.Gson;

import java.util.ArrayList;
import java.util.List;



public class MainActivity extends AppCompatActivity {
List<String> list = new ArrayList<>();
    TabLayout tab;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
         tab= (TabLayout) findViewById(R.id.tab);
             ViewPager vp= (ViewPager) findViewById(R.id.vp);
        getData();
        vp.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {
            @Override
            public Fragment getItem(int position) {
                switch (position) {
                    case 0:
                          return new Fone();

                    case 1:
                        return new Ftwo();

                    case 2:
                        return new Fthree();

                    case 3:
                        return new Four();

                }
                return null;
            }

            @Override
            public int getCount() {
                return 4;
            }
        });
    tab.setupWithViewPager(vp);
    }
    public  void getData(){
        RequestBean requestBean = new RequestBean("http://japi.juhe.cn/comic/category?key=4aa7945424c431ea9ac3edd39728cac9");
        new HttpUtil().getDataFromServer(MainActivity.this, requestBean, new HttpUtil.DataCallBack() {
            @Override
            public void prosseData(String json) {
                Gson gson=new Gson();
                Bean bean = gson.fromJson(json, Bean.class);
                if (bean!=null) {
             list.addAll(bean.getResult());
                    for (int i=0;i<list.size();i++) {
                        TabLayout.Tab tabAt = tab.getTabAt(i);
                        tabAt.setText(list.get(i));
                    }
                }
            }
        });


    }



}