Android实现导航菜单左右滑动效果

package com.slide.menu; import java.util.ArrayList; import com.slide.util.SlideMenuUtil; import android.app.Activity; import android.os.Bundle; import android.os.Parcelable; import android.support.v4.view.PagerAdapter; import android.support.v4.view.ViewPager; import android.support.v4.view.ViewPager.OnPageChangeListener; import android.util.DisplayMetrics; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.View.OnClickListener; import android.view.ViewGroup.LayoutParams; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; /** * Android实现导航菜单左右滑动效果 * @Description: Android实现导航菜单左右滑动效果 * @FileName: SlideMenuActivity.java * @Package com.slide.menu * @Author Hanyonglu * @Date 2012-4-20 上午09:15:11 * @Version V1.0 */ public class SlideMenuActivity extends Activity { /** Called when the activity is first created. */ private String[][] menus = {{SlideMenuUtil.ITEM_MOBILE,SlideMenuUtil.ITEM_WEB, SlideMenuUtil.ITEM_CLOUD,SlideMenuUtil.ITEM_DATABASE}, {SlideMenuUtil.ITEM_EMBED,SlideMenuUtil.ITEM_SERVER, SlideMenuUtil.ITEM_DOTNET,SlideMenuUtil.ITEM_JAVA}, {SlideMenuUtil.ITEM_SAFE,SlideMenuUtil.ITEM_DOMAIN, SlideMenuUtil.ITEM_RESEASRCH,SlideMenuUtil.ITEM_MANAGE}}; // 当前ViewPager索引 private int pagerIndex = 0; private ArrayList<View> menuViews = null; private ViewGroup main = null; private ViewPager viewPager = null; // 左右导航图片按钮 private ImageView imagePrevious = null; private ImageView imageNext = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // 设置无标题窗口 requestWindowFeature(Window.FEATURE_NO_TITLE); //取得窗口属性 DisplayMetrics dm = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(dm); //窗口的宽度 int screenWidth = dm.widthPixels; LayoutInflater inflater = getLayoutInflater(); menuViews = new ArrayList<View>(); SlideMenuLayout menu = new SlideMenuLayout(this); for(int i = 0;i < menus.length;i++){ menuViews.add(menu.getSlideMenuLinerLayout(menus[i],screenWidth)); } main = (ViewGroup)inflater.inflate(R.layout.main, null); setContentView(main); // 左右导航图片按钮 imagePrevious = (ImageView)findViewById(R.id.ivPreviousButton); imageNext = (ImageView) findViewById(R.id.ivNextButton); imagePrevious.setOnClickListener(new ImagePreviousOnclickListener()); imageNext.setOnClickListener(new ImageNextOnclickListener()); if(menuViews.size() > 1){ imageNext.setVisibility(View.VISIBLE); } //菜单背景 // imageMenuBack = (ImageView)findViewById(R.id.ivMenuBackground); // imageMenuBack.setVisibility(View.INVISIBLE); // 加载移动菜单下内容 ViewGroup llc = (ViewGroup)findViewById(R.id.linearLayoutContent); llc.addView(inflater.inflate(R.layout.item_mobile, null)); viewPager = (ViewPager)main.findViewById(R.id.slideMenu); viewPager.setAdapter(new SlideMenuAdapter()); viewPager.setOnPageChangeListener(new SlideMenuChangeListener()); } // 滑动菜单数据适配器 class SlideMenuAdapter extends PagerAdapter { @Override public int getCount() { // View v = menuViews.get(0).findViewWithTag(SlideMenuUtil.ITEM_MOBILE); // v.setBackgroundResource(R.drawable.menu_bg); return menuViews.size(); } @Override public boolean isViewFromObject(View arg0, Object arg1) { return arg0 == arg1; } @Override public int getItemPosition(Object object) { // TODO Auto-generated method stub return super.getItemPosition(object); } @Override public void destroyItem(View arg0, int arg1, Object arg2) { // TODO Auto-generated method stub ((ViewPager) arg0).removeView(menuViews.get(arg1)); } @Override public Object instantiateItem(View arg0, int arg1) { // TODO Auto-generated method stub ((ViewPager) arg0).addView(menuViews.get(arg1)); return menuViews.get(arg1); } @Override public void restoreState(Parcelable arg0, ClassLoader arg1) { // TODO Auto-generated method stub } @Override public Parcelable saveState() { // TODO Auto-generated method stub return null; } @Override public void startUpdate(View arg0) { // TODO Auto-generated method stub } @Override public void finishUpdate(View arg0) { // TODO Auto-generated method stub } } // 滑动菜单更改事件监听器 class SlideMenuChangeListener implements OnPageChangeListener { @Override public void onPageScrollStateChanged(int arg0) { // TODO Auto-generated method stub } @Override public void onPageScrolled(int arg0, float arg1, int arg2) { // TODO Auto-generated method stub } @Override public void onPageSelected(int arg0) { int pageCount = menuViews.size() - 1; pagerIndex = arg0; // 显示右边导航图片 if(arg0 >= 0 && arg0 < pageCount){ imageNext.setVisibility(View.VISIBLE); }else{ imageNext.setVisibility(View.INVISIBLE); } // 显示左边导航图片 if(arg0 > 0 && arg0 <= pageCount){ imagePrevious.setVisibility(View.VISIBLE); }else{ imagePrevious.setVisibility(View.INVISIBLE); } } } // 右导航图片按钮事件 class ImageNextOnclickListener implements OnClickListener{ @Override public void onClick(View v) { // TODO Auto-generated method stub pagerIndex ++; viewPager.setCurrentItem(pagerIndex); } } // 左导航图片按钮事件 class ImagePreviousOnclickListener implements OnClickListener{ @Override public void onClick(View v) { // TODO Auto-generated method stub pagerIndex --; viewPager.setCurrentItem(pagerIndex); } } }