ViewPager

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1.activity_main.xml

<android.support.v4.view.ViewPager
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/viewpager"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <android.support.v4.view.PagerTabStrip
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="top"
        android:background="@color/background_material_dark"
        android:textColor="#fff"
        android:paddingTop="4dp"
        android:paddingBottom="4dp"/>
</android.support.v4.view.ViewPager>

2.fragment_page.xml

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

    <ImageView
        android:id="@+id/img"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:scaleType="fitCenter"
        android:contentDescription="@string/app_name"/>
</LinearLayout>

3.MainActivity

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.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

public class MainActivity extends AppCompatActivity {

    MyFragmentStatePagerAdapter mMyFragmentStatePagerAdapter;
    ViewPager mViewPager;

    String[] titles={"1","2","3","4","5"};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        ActionBar ab=this.getSupportActionBar();
        if(ab!=null){
            ab.hide();
        }
        mMyFragmentStatePagerAdapter=new MyFragmentStatePagerAdapter(getSupportFragmentManager());
        mViewPager= (ViewPager) findViewById(R.id.viewpager);
        mViewPager.setAdapter(mMyFragmentStatePagerAdapter);
    }

    public class MyFragmentStatePagerAdapter extends FragmentPagerAdapter{

        public MyFragmentStatePagerAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
            Fragment fragment=new MyFragment();

            Bundle args=new Bundle();
            args.putInt(MyFragment.WHICH,position);
            fragment.setArguments(args);

            return fragment;
        }

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

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

    public static class MyFragment extends Fragment{
        public static final String WHICH="which";

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
            View v=inflater.inflate(R.layout.fragment_page,container,false);
            Bundle args=getArguments();
            ImageView iv= (ImageView) v.findViewById(R.id.img);
            int which=args.getInt(WHICH);
            int resId=0;
            switch (which){
                case 0:
                    resId=R.drawable.mei;
                    break;
                case 1:
                    resId=R.drawable.s;
                    break;
                case 2:
                    resId=R.drawable.s1;
                    break;
                case 3:
                    resId=R.drawable.s2;
                    break;
                case 4:
                    resId=R.drawable.s3;
                    break;
            }
            iv.setImageResource(resId);
            return v;
        }
    }
}

使用ViewPager的一般步骤

1.创建一个包含ViewPager的主界面布局。需要标题栏，则可将PagerTabStrip或PagerTitleStrip嵌套在ViewPager中

2.实现一个FragmentPagerAdapter或FragmentPagerStateAdapter的子类，并覆盖其中的getItem和getCount方法

3.创建实现的PagerAdapter的对象，并调用ViewPager的setAdapter将它作为ViewPager的Adapter。

ViewPager

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原文地址：http://blog.csdn.net/qq_29481375/article/details/51361732