69、ViewPagerIndicator+ViewPager实现Tab

<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:background="#C5DAED"
    android:orientation="vertical" >
    <include layout="@layout/top" />

    <com.viewpagerindicator.TabPageIndicator
        android:id="@+id/id_indicator"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:background="@android:color/transparent" />

    <android.support.v4.view.ViewPager
        android:id="@+id/id_viewpager"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" />
</LinearLayout>

 1 package com.imooc.tab04;
 2
 3 import android.os.Bundle;
 4 import android.support.v4.app.FragmentActivity;
 5 import android.support.v4.view.ViewPager;
 6 import android.view.Window;
 7
 8 import com.viewpagerindicator.TabPageIndicator;
 9
10 public class MainActivity extends FragmentActivity {
11     private ViewPager mViewPager;
12     private TabPageIndicator mTabPageIndicator;
13     private TabAdapter mAdapter;
14
15     @Override
16     protected void onCreate(Bundle savedInstanceState) {
17         super.onCreate(savedInstanceState);
18         requestWindowFeature(Window.FEATURE_NO_TITLE);
19         setContentView(R.layout.activity_main);
20
21         initView();
22     }
23
24     private void initView() {
25         mViewPager = (ViewPager) findViewById(R.id.id_viewpager);
26         mTabPageIndicator = (TabPageIndicator) findViewById(R.id.id_indicator);
27         mAdapter = new TabAdapter(getSupportFragmentManager());
28         mViewPager.setAdapter(mAdapter);
29
30         mTabPageIndicator.setViewPager(mViewPager, 0);
31     }
32
33 }

 3 import android.support.v4.app.Fragment;
 4 import android.support.v4.app.FragmentManager;
 5 import android.support.v4.app.FragmentPagerAdapter;
 6
 7 public class TabAdapter extends FragmentPagerAdapter {
 9     public static String[] TITLES = new String[] { "课程", "问答", "求课", "学习", "计划" };
10
11     public TabAdapter(FragmentManager fm) {
12         super(fm);
13     }
15     @Override
16     public Fragment getItem(int arg0) {
17         TabFragment fragment = new TabFragment(arg0);
18         return fragment;
19     }
21     @Override
22     public int getCount() {
23         return TITLES.length;
24     }
26     @Override
27     public CharSequence getPageTitle(int position) {
28         return TITLES[position];
29     }
31 }

package com.imooc.tab04;

import android.annotation.SuppressLint;
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.TextView;

@SuppressLint("ValidFragment")
public class TabFragment extends Fragment {
    private int pos;

    @SuppressLint("ValidFragment")
    public TabFragment(int pos) {
        this.pos = pos;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.frag, container, false);
        TextView tv = (TextView) view.findViewById(R.id.id_tv);
        tv.setText(TabAdapter.TITLES[pos]);
        return view;
    }
}

DEMO：http://download.csdn.net/detail/androidsj/9354439