TabWidget + ViewPager实现滑动切换页面http://www.jb51.net/article/46524.htm

代码:

package com.swordy.demo.android.fragment;
import java.util.Random;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TabWidget;
import android.widget.TextView;
import com.swordy.demo.android.R;
/**
 * 1. 使用TabWidget和ViewPager实现可滑动的Tab
 * 
 * @author swordy
 * @email mryangjian@live.com
 * @since Jan 20, 2014
 * @version 1.0
 */
public class SlideTabs3 extends FragmentActivity
{
    private static final String TAG = "AndroidDemos.SlideTabs3";
    private ViewPager mViewPager;
    private PagerAdapter mPagerAdapter;
    private TabWidget mTabWidget;
    private String[] addresses = { "first", "second", "third" };
    private Button[] mBtnTabs = new Button[addresses.length];
    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.fragment_slidetabs3);
        mTabWidget = (TabWidget) findViewById(R.id.tabWidget1);
        mTabWidget.setStripEnabled(false);
        mBtnTabs[0] = new Button(this);
        mBtnTabs[0].setFocusable(true);
        mBtnTabs[0].setText(addresses[0]);
        mBtnTabs[0].setTextColor(getResources().getColorStateList(R.color.button_bg_color_selector));
        mTabWidget.addView(mBtnTabs[0]);
        /* 
         * Listener必须在mTabWidget.addView()之后再加入,用于覆盖默认的Listener,
         * mTabWidget.addView()中默认的Listener没有NullPointer检测。
         */
        mBtnTabs[0].setOnClickListener(mTabClickListener);
        mBtnTabs[1] = new Button(this);
        mBtnTabs[1].setFocusable(true);
        mBtnTabs[1].setText(addresses[1]);
        mBtnTabs[1].setTextColor(getResources().getColorStateList(R.color.button_bg_color_selector));
        mTabWidget.addView(mBtnTabs[1]);
        mBtnTabs[1].setOnClickListener(mTabClickListener);
        mBtnTabs[2] = new Button(this);
        mBtnTabs[2].setFocusable(true);
        mBtnTabs[2].setText(addresses[2]);
        mBtnTabs[2].setTextColor(getResources().getColorStateList(R.color.button_bg_color_selector));
        mTabWidget.addView(mBtnTabs[2]);
        mBtnTabs[2].setOnClickListener(mTabClickListener);

        mViewPager = (ViewPager) findViewById(R.id.viewPager1);
        mPagerAdapter = new MyPagerAdapter(getSupportFragmentManager());
        mViewPager.setAdapter(mPagerAdapter);
        mViewPager.setOnPageChangeListener(mPageChangeListener);

        mTabWidget.setCurrentTab(0);
    }
    private OnClickListener mTabClickListener = new OnClickListener() {
        @Override
        public void onClick(View v)
        {
            if (v == mBtnTabs[0])
            {
                mViewPager.setCurrentItem(0);
            } else if (v == mBtnTabs[1])
            {
                mViewPager.setCurrentItem(1);
            } else if (v == mBtnTabs[2])
            {
                mViewPager.setCurrentItem(2);
            }
        }
    };

    private OnPageChangeListener mPageChangeListener = new OnPageChangeListener() {

        @Override
        public void onPageSelected(int arg0)
        {
            mTabWidget.setCurrentTab(arg0);
        }

        @Override
        public void onPageScrolled(int arg0, float arg1, int arg2)
        {

        }

        @Override
        public void onPageScrollStateChanged(int arg0)
        {

        }
    };
    private class MyPagerAdapter extends FragmentStatePagerAdapter
    {
        public MyPagerAdapter(FragmentManager fm)
        {
            super(fm);
        }
        @Override
        public Fragment getItem(int position)
        {
            return MyFragment.create(addresses[position]);
        }
        @Override
        public int getCount()
        {
            return addresses.length;
        }
    }
    public static class MyFragment extends Fragment
    {
        public static MyFragment create(String address)
        {
            MyFragment f = new MyFragment();
            Bundle b = new Bundle();
            b.putString("address", address);
            f.setArguments(b);
            return f;
        }
        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                Bundle savedInstanceState)
        {
            Random r = new Random(System.currentTimeMillis());
            Bundle b = getArguments();
            View v = inflater.inflate(R.layout.fragment_viewpager1_layout1, null);
            v.setBackgroundColor(r.nextInt() >> 8 | 0xFF << 24);
            TextView txvAddress = (TextView) v.findViewById(R.id.textView1);
            txvAddress.setTextColor(r.nextInt() >> 8 | 0xFF << 24);
            txvAddress.setBackgroundColor(r.nextInt() >> 8 | 0xFF << 24);
            txvAddress.setText(b.getString("address", ""));
            return v;
        }
    }
}

 

布局文件:

<?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"
    android:orientation="vertical" >
    <TabWidget
        android:id="@+id/tabWidget1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="right|center_vertical" />
    <android.support.v4.view.ViewPager
        android:id="@+id/viewPager1"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />
</LinearLayout>

 引用地址:http://www.jb51.net/article/46524.htm

 效果图:

posted @ 2015-11-20 11:24  swalka`x  阅读(208)  评论(0编辑  收藏  举报