ViewPager学习之仿微信主界面

因为素材的原因，这里都是从网上找的图片，所以所谓的仿微信实际上最后成了下图这货。。。，点击变色也是自己用的windows自带画图的颜料桶填充的空白。。。

直接上主代码：

package com.example.tabandviewpage ;
import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.os.Bundle;
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.view.Window;
import android.widget.ImageButton;
import android.widget.LinearLayout;

public class Main extends Activity implements OnClickListener{
	private ViewPager viewpager ;
	private ImageButton chat_list ,contacts ,friends,aboutme ;
	private List<View> list ;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		requestWindowFeature(Window.FEATURE_NO_TITLE) ;
        setContentView(R.layout.main);
		list = new ArrayList<View>() ;
		this.viewpager = (ViewPager) findViewById(R.id.viewpager) ;
		initView() ;
		this.chat_list.setOnClickListener(this);
		this.contacts.setOnClickListener(this);
		this.friends.setOnClickListener(this);
		this.aboutme.setOnClickListener(this);
		this.viewpager.setOnPageChangeListener(new OnPageChangeListener() {

			@Override
			public void onPageSelected(int arg0) {
				// TODO Auto-generated method stub
				int position = viewpager.getCurrentItem() ;
				resetImg();
				if(position ==0)
				{
					chat_list.setImageResource(R.drawable.btn_chat_anxia);
				} else if(position == 1) {
					contacts.setImageResource(R.drawable.btn_contacts_anxia);
				} else if(position == 2) {
					friends.setImageResource(R.drawable.btn_rest_anxia);
				} else if(position == 3) {
					aboutme.setImageResource(R.drawable.btn_aboutme_anxia);
				}

			}

			@Override
			public void onPageScrolled(int arg0, float arg1, int arg2) {
				// TODO Auto-generated method stub

			}

			@Override
			public void onPageScrollStateChanged(int arg0) {
				// TODO Auto-generated method stub

			}
		});

	}
	void initView() {
		// TODO Auto-generated method stub
		this.chat_list = (ImageButton) findViewById(R.id.chat_list) ;
		this.contacts = (ImageButton) findViewById(R.id.contacts) ;
		this.friends = (ImageButton) findViewById(R.id.friends) ;
		this.aboutme = (ImageButton) findViewById(R.id.aboutme) ;

		//LinearLayout tab_chat_list = (LinearLayout)findViewById(R.id.chat_list) ;
		//LinearLayout tab_contacts = (LinearLayout)findViewById(R.id.tab_contacts) ;
		//LinearLayout tab_friends = (LinearLayout) findViewById(R.id.tab_friends) ;
		//LinearLayout tab_aboutme  = (LinearLayout)findViewById(R.id.tab_aboutme) ;

		LayoutInflater mf = getLayoutInflater().from(this) ;
		View tab_01 = mf.inflate(R.layout.tab_chat_list, null) ;
		View tab_02 =mf.inflate(R.layout.tab_contacts, null) ;
		View tab_03 = mf.inflate(R.layout.tab_friends, null) ;
		View tab_04 = mf.inflate(R.layout.tab_aboutme, null) ;

		this.list.add(tab_01) ;
		this.list.add(tab_02) ;
		this.list.add(tab_03) ;
		this.list.add(tab_04) ;

		PagerAdapter adapter = new PagerAdapter() {

			@Override
			public boolean isViewFromObject(View arg0, Object arg1) {
				// TODO Auto-generated method stub
				return arg0 == arg1 ;
			}

			@Override
			public int getCount() {
				// TODO Auto-generated method stub
				return list.size() ;
			}
			@Override
			public void destroyItem(ViewGroup container, int position,
					Object object) {
				// TODO Auto-generated method stub
				container.removeView(list.get(position));
			}

			@Override
			public Object instantiateItem(ViewGroup container, int position) {
				// TODO Auto-generated method stub
				View view = list.get(position) ;
				container.addView(view) ;
				return view;
			}
		};

		viewpager.setAdapter(adapter);
	}
	@Override
	public void onClick(View v) {
		// TODO Auto-generated method stub
		resetImg() ;
		switch(v.getId())
		{
		case R.id.chat_list:
			this.chat_list.setImageResource(R.drawable.btn_chat_anxia);
			viewpager.setCurrentItem(0);
		break ;

		case R.id.contacts:
			this.contacts.setImageResource(R.drawable.btn_contacts_anxia);
			viewpager.setCurrentItem(1);
			break ;

		case R.id.friends :
			this.friends.setImageResource(R.drawable.btn_rest_anxia) ;
			viewpager.setCurrentItem(2);
			break ;
		case R.id.aboutme :
			this.aboutme.setImageResource(R.drawable.btn_aboutme_anxia);
			viewpager.setCurrentItem(3);
			break ;

		}

	}
	private void resetImg() {
		// TODO Auto-generated method stub
		this.chat_list.setImageResource(R.drawable.btn_chat);
		this.contacts.setImageResource(R.drawable.btn_contacts);
		this.friends.setImageResource(R.drawable.btn_rest);
		this.aboutme.setImageResource(R.drawable.btn_aboutme);
	}

}

主activity布局：

<?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" >

    <include layout="@layout/top"/>

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

    <include layout="@layout/bottom"/>

</LinearLayout>

顶部布局

<?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="45dp"
    android:background="#303030"
    android:orientation="vertical" >

    <TextView
        android:text="微信"
        android:textColor="#FFFFFF"
        android:layout_gravity="center"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="20sp"/>

</LinearLayout>

底部布局：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:baselineAligned="false"
    android:background="#FFFFFF"
    android:layout_height="wrap_content"
    android:orientation="horizontal" >

    <LinearLayout
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:orientation="vertical">
        <ImageButton
            android:id="@+id/chat_list"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="@drawable/selector"
            android:src="@drawable/btn_chat"/>

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="聊天"
            android:textSize="20sp"/>
    </LinearLayout>

    <LinearLayout
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:orientation="vertical">
        <ImageButton
            android:id="@+id/contacts"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="@drawable/selector"
            android:src="@drawable/btn_contacts"/>

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="联系人"
            android:textSize="20sp"/>
    </LinearLayout>

    <LinearLayout
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:orientation="vertical">
        <ImageButton
            android:id="@+id/friends"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="@drawable/selector"
            android:src="@drawable/btn_rest"/>

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="朋友圈"
            android:textSize="15sp"/>
    </LinearLayout>

    <LinearLayout
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:orientation="vertical">
        <ImageButton
            android:id="@+id/aboutme"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="@drawable/selector"
            android:src="@drawable/btn_aboutme"/>

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="个人中心"
            android:textSize="20sp"/>
    </LinearLayout>

</LinearLayout>