android 模仿今日头条ViewPager+TabLayout

导入依赖库：

compile 'com.android.support:design:25.3.1'

1.fg_content_demo2.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:text="123"
        android:gravity="center"
        android:id="@+id/fg_content_demo2_textview"/>

</LinearLayout>

2.Demo2Fragment

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.GridView;
import android.widget.TextView;

import com.example.mac.mainapplication.R;
import com.example.mac.mainapplication.adapter.MainAdapter;

import org.w3c.dom.Text;

/**
 * Created by mac on 17/6/16.
 */
public class Demo2Fragment extends Fragment {

    private TextView textView;
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fg_content_demo2, container, false);
//        tv_content = (TextView) view.findViewById(R.id.tv_content);
//        String text = getArguments().getString("text");
//        tv_content.setText(text);

       textView = (TextView)view.findViewById(R.id.fg_content_demo2_textview);
        String text = getArguments().getString("text");
        textView.setText(text);

        return view;
    }

//    fg_content_demo2_textview
}

Demo2Adaper代码

public class Demo2Adapter extends FragmentPagerAdapter {

    private final String[] titles;
    private Context context;
    private List<Fragment> fragments;

    public Demo2Adapter(List<Fragment> fragments, String[] titles, FragmentManager fm, Context context) {
        super(fm);
        this.context = context;
        this.fragments = fragments;
        this.titles = titles;
    }

    @Override
    public Fragment getItem(int position) {
        return fragments.get(position);
    }

    @Override
    public int getCount() {
        return titles.length;
    }

    @Override
    public CharSequence getPageTitle(int position) {
        return titles[position];
    }
}

3.main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="#d33c3c"
    android:gravity="center_vertical"
    android:orientation="horizontal">
   <android.support.design.widget.TabLayout
       android:id="@+id/demo2_tablayout"
       android:layout_width="0dp"
       android:layout_height="wrap_content"
       android:layout_weight="1"
       app:tabIndicatorColor="@color/colorPrimary"
       app:tabMode="scrollable">

   </android.support.design.widget.TabLayout>

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginRight="8dp"
        android:src="@drawable/ic_launcher"/>

</LinearLayout>

    <android.support.v4.view.ViewPager
        android:id="@+id/demo2_viewPager"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1">

    </android.support.v4.view.ViewPager>

</LinearLayout>

4.main代码：

 private LinearLayout backLayout;
    private String[]titles = {"项目1","项目2","项目4","项目5","项目6","项目7","项目8","项目9","项目10","项目11"};
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_demo2);

        backLayout = (LinearLayout)findViewById(R.id.default_nav_left_layout);
        backLayout.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                onBackPressed();
            }
        });

        ViewPager viewPager = (ViewPager) findViewById(R.id.demo2_viewPager);
        List<Fragment> fragments = new ArrayList<>();
        for (int i = 0; i < titles.length; i++) {
            Fragment fragment = new Demo2Fragment();
            Bundle bundle = new Bundle();
            bundle.putString("text",titles[i]);
            fragment.setArguments(bundle);
            fragments.add(fragment);
        }
        viewPager.setAdapter(new Demo2Adapter(fragments, titles, getSupportFragmentManager(), this));

        // 初始化
        TabLayout tablayout = (TabLayout) findViewById(R.id.demo2_tablayout);
// 将ViewPager和TabLayout绑定
        tablayout.setupWithViewPager(viewPager);
// 设置tab文本的没有选中（第一个参数）和选中（第二个参数）的颜色
        tablayout.setTabTextColors(getResources().getColor(R.color.colorPrimaryDark), Color.WHITE);

    }