标签：
MainActivity
package com.example.shit;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.app.Fragment;
import android.content.Intent;
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.Menu;
import android.view.MenuItem;
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 MainActivity extends Activity implements android.view.View.OnClickListener {
private ViewPager mViewPager;// 用来放置界面切换
private PagerAdapter mPagerAdapter;// 初始化View适配器
private List<View> mViews = new ArrayList<View>();// 用来存放Tab01-04
// 四个Tab，每个Tab包含一个按钮
private LinearLayout mTabWeiXin;
private LinearLayout mTabAddress;
private LinearLayout mTabFrd;
private LinearLayout mTabSetting;
// 四个按钮
private ImageButton mWeiXinImg;
private ImageButton mAddressImg;
private ImageButton mFrdImg;
private ImageButton mSettingImg;
// 按钮
private ImageButton in;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
initView();
initViewPage();
initEvent();
}
/**
* 初始化设置
*/
private void initView() {
mViewPager = (ViewPager) findViewById(R.id.id_viewpage);
// 初始化四个LinearLayout
mTabWeiXin = (LinearLayout) findViewById(R.id.id_tab_weixin);
mTabAddress = (LinearLayout) findViewById(R.id.id_tab_address);
mTabFrd = (LinearLayout) findViewById(R.id.id_tab_frd);
mTabSetting = (LinearLayout) findViewById(R.id.id_tab_settings);
// 初始化四个按钮
mWeiXinImg = (ImageButton) findViewById(R.id.id_tab_weixin_img);
mAddressImg = (ImageButton) findViewById(R.id.id_tab_address_img);
mFrdImg = (ImageButton) findViewById(R.id.id_tab_frd_img);
mSettingImg = (ImageButton) findViewById(R.id.id_tab_settings_img);
//初始化按钮
}
/**
* 初始化ViewPage
*/
private void initViewPage() {
// 初始化四个布局
LayoutInflater mLayoutInflater = LayoutInflater.from(this);
View tab01 = mLayoutInflater.inflate(R.layout.tab01, null);
View tab02 = mLayoutInflater.inflate(R.layout.tab02, null);
View tab03 = mLayoutInflater.inflate(R.layout.tab03, null);
View tab04 = mLayoutInflater.inflate(R.layout.tab04, null);
in =(ImageButton)tab01.findViewById(R.id.in);
in.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
startActivity(new Intent(MainActivity.this,OperationActivity.class));
}
});
mViews.add(tab01);
mViews.add(tab02);
mViews.add(tab03);
mViews.add(tab04);
// 适配器初始化并设置
mPagerAdapter = new PagerAdapter() {
@Override
public void destroyItem(ViewGroup container, int position,
Object object) {
container.removeView(mViews.get(position));
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
View view = mViews.get(position);
container.addView(view);
return view;
}
@Override
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == arg1;
}
@Override
public int getCount() {
return mViews.size();
}
};
mViewPager.setAdapter(mPagerAdapter);
}
private void initEvent() {
mTabWeiXin.setOnClickListener(this);
mTabAddress.setOnClickListener(this);
mTabFrd.setOnClickListener(this);
mTabSetting.setOnClickListener(this);
mViewPager.setOnPageChangeListener(new OnPageChangeListener() {
/**
*ViewPage左右滑动时
*/
@Override
public void onPageSelected(int arg0) {
int currentItem = mViewPager.getCurrentItem();
switch (currentItem) {
case 0:
resetImg();
mWeiXinImg.setImageResource(R.drawable.homepage3);
break;
case 1:
resetImg();
mAddressImg.setImageResource(R.drawable.game3);
break;
case 2:
resetImg();
mFrdImg.setImageResource(R.drawable.design3);
break;
case 3:
resetImg();
mSettingImg.setImageResource(R.drawable.about3);
break;
default:
break;
}
}
private void resetImg() {
// TODO Auto-generated method stub
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
}
@Override
public void onPageScrollStateChanged(int arg0) {
}
});
}
/**
* 判断哪个要显示，及设置按钮图片
*/
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.id_tab_weixin:
mViewPager.setCurrentItem(0);
resetImg();
mWeiXinImg.setImageResource(R.drawable.homepage3);
break;
case R.id.id_tab_address:
mViewPager.setCurrentItem(1);
resetImg();
mAddressImg.setImageResource(R.drawable.game3);
break;
case R.id.id_tab_frd:
mViewPager.setCurrentItem(2);
resetImg();
mFrdImg.setImageResource(R.drawable.design3);
break;
case R.id.id_tab_settings:
mViewPager.setCurrentItem(3);
resetImg();
mSettingImg.setImageResource(R.drawable.about3);
break;
default:
break;
}
}
/**
* 把所有图片变暗
*/
private void resetImg() {
mWeiXinImg.setImageResource(R.drawable.homepage2);
mAddressImg.setImageResource(R.drawable.game2);
mFrdImg.setImageResource(R.drawable.design2);
mSettingImg.setImageResource(R.drawable.about2);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* A placeholder fragment containing a simple view.
*/
public static class PlaceholderFragment extends Fragment {
public PlaceholderFragment() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_main, container,
false);
return rootView;
}
}
}
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原文地址：http://www.cnblogs.com/42chenzhipeng/p/5059782.html
