tablayout导航栏

tablayout的依赖

compile 'com.android.support:design:23.4.0'

package com.example.myapplication;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.ArrayList;import java.util.List;public class MainActivity extends AppCompatActivity {    TabLayout ta;    private ViewPager vp;    private List<String> list;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        vp = (ViewPager) findViewById(R.id.vp);        ta= (TabLayout) findViewById(R.id.tab);        list=new ArrayList<>();        list.add("头条");        list.add("社会");        list.add("国内");        list.add("国际");        list.add("娱乐");        list.add("体育");        list.add("军事");        list.add("科技");        list.add("财经");        list.add("时尚");        vp.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {            @Override            public CharSequence getPageTitle(int position) {                return list.get(position);            }            @Override            public Fragment getItem(int position) {                Fragments fragments = new Fragments();                Bundle bundle = new Bundle();                if(list.get(position).endsWith("头条")){                    bundle.putString("name","top");                }else if (list.get(position).equals("社会")){                    bundle.putString("name","shehui");                }else if (list.get(position).equals("国内")){                    bundle.putString("name","guonei");                }else if (list.get(position).equals("国际")){                    bundle.putString("name","guoji");                }else if (list.get(position).equals("娱乐")){                    bundle.putString("name","yule");                }else if (list.get(position).equals("体育")){                    bundle.putString("name","tiyu");                }else if (list.get(position).equals("军事")){                    bundle.putString("name","junshi");                }else if (list.get(position).equals("科技")){                    bundle.putString("name","keji");                }else if (list.get(position).equals("财经")){                    bundle.putString("name","caijing");                }else if (list.get(position).equals("时尚")){                    bundle.putString("name","shishang");                }                fragments.setArguments(bundle);                return fragments;            }            @Override            public int getCount() {                return list.size();            }        });        ta.setupWithViewPager(vp);    }}//fragment加网络请求数据package com.example.myapplication;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.ListView;import android.widget.TextView;import com.google.gson.Gson;import com.nostra13.universalimageloader.core.ImageLoader;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.UnsupportedEncodingException;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.util.List;public class Fragments extends Fragment {    private ListView lv;    private Handler handler=new Handler(){        @Override        public void handleMessage(Message msg) {            if(msg.what==0){                JsonRootBean bean= (JsonRootBean) msg.obj;                list = bean.getResult().getData();                Log.i("aaa",list.toString());//                Myad myad=new Myad();//                lv.setAdapter(myad);            }        }    };    private List<Data> list;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View v=View.inflate(getActivity(),R.layout.ragments,null);        lv = v.findViewById(R.id.lv);        return v;    }    //适配    class Myad extends BaseAdapter{        @Override        public int getCount() {            return list.size();        }        @Override        public Object getItem(int i) {            return null;        }        @Override        public long getItemId(int i) {            return 0;        }        @Override        public View getView(int i, View view, ViewGroup viewGroup) {            He he=null;            if(view==null){                view=View.inflate(getActivity(),R.layout.tem,null);                he=new He();                 he.img= view.findViewById(R.id.img);                he.wenben=view.findViewById(R.id.wenzi);                view.setTag(he);            }else{                he= (He) view.getTag();            }            he.wenben.setText(list.get(i).getTitle());            ImageLoader.getInstance().displayImage(list.get(i).getThumbnail_pic_s(),he.img);            return view;        }        class He{            ImageView img;            TextView wenben;        }    }    @Override    public void onActivityCreated(@Nullable Bundle savedInstanceState) {        super.onActivityCreated(savedInstanceState);        Bundle bundle = getArguments();        String string=bundle.getString("name","top");        getData(string);    }    private void getData(final String string) {        new Thread(){            @Override            public void run() {                String path="http://v.juhe.cn/toutiao/index?type="+string+"&key=597b4f9dcb50e051fd725a9ec54d6653";                try {                    URL url=new URL(path);                    HttpURLConnection connection = (HttpURLConnection) url.openConnection();                    connection.setRequestMethod("GET");                    connection.setConnectTimeout(5000);                    connection.setReadTimeout(5000);                    if(connection.getResponseCode()==200){                        InputStream stream = connection.getInputStream();                        String json=zhuan(stream,"utf-8");                        Gson gson = new Gson();                        JsonRootBean jsonRootBean = gson.fromJson(json, JsonRootBean.class);                        Message message=Message.obtain();                        message.what=0;                        message.obj=jsonRootBean;                        handler.sendMessage(message);                    }                } catch (MalformedURLException e) {                    e.printStackTrace();                } catch (IOException e) {                    e.printStackTrace();                }            }        }.start();    }    private String zhuan(InputStream stream, String s) {        try {            InputStreamReader in=new InputStreamReader(stream,s);            BufferedReader re=new BufferedReader(in);            String ss=null;            StringBuilder builder=new StringBuilder();            while((ss=re.readLine())!=null){                builder.append(ss);            }            return builder.toString();        } catch (UnsupportedEncodingException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }        return null;    }}//加载网络图片@Overridepublic void onCreate() {    DisplayImageOptions options=new DisplayImageOptions.Builder().showImageOnLoading(R.drawable.jiazai).displayer(new FadeInBitmapDisplayer(2000)).cacheOnDisc(true).cacheInMemory(true).build();    ImageLoaderConfiguration configuration=new ImageLoaderConfiguration.Builder(this).defaultDisplayImageOptions(options).threadPoolSize(5).build();    ImageLoader.getInstance().init(configuration);    super.onCreate();}

//关于导航布局

<android.support.design.widget.TabLayout    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:id="@+id/tab"    app:tabIndicatorColor="#f5e20d"    app:tabIndicatorHeight="5dp"    app:tabGravity="center"    app:tabSelectedTextColor="#090df7"    app:tabTextColor="#000000"    app:tabMode="scrollable"></android.support.design.widget.TabLayout>