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仿UC菜单的实现

 

http://blog.csdn.net/hellogv/archive/2011/01/28/6168439.aspx

（另）http://www.cnblogs.com/lichien/archive/2010/09/07/1820453.html

 

 

先来看看本文程序运行的效果：

TabMenu 本身就是一个PopupWindow，PopupWindow上面放了两个GridView,第一个GridView就是分页标签，位于 PopupWindow的顶部，第二个GridView是菜单，位于PopupWindow的主体。为了实现PopupWindow的弹出/退出的动画效 果，本文使用了以下代码：

在工程的res文件夹里添加anim子目录，再新建文件popup_enter.xml：

 

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  1. <?xml version="1.0" encoding="utf-8"?>  
  2. <set xmlns:android="http://schemas.android.com/apk/res/android">  
  3.     <translate android:fromYDelta="100%p" android:toYDelta="0" android:duration="1000" />  
  4.     <alpha android:fromAlpha="0.0" android:toAlpha="1.0" android:duration="1000" />  
  5. </set>   

新建文件popup_exit.xml：

 

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  1. <?xml version="1.0" encoding="utf-8"?>  
  2. <set xmlns:android="http://schemas.android.com/apk/res/android">  
  3.     <translate android:fromYDelta="0" android:toYDelta="100%p" android:duration="1000" />  
  4.     <alpha android:fromAlpha="1.0" android:toAlpha="0.0" android:duration="1000" />  
  5. </set>   

在工程的values文件夹里新建文件popup_animation.xml：

<?xml version="1.0" encoding="utf-8"?> 
<resources>    
    <style name="PopupAnimation" parent="android:Animation">
        <item name="android:windowEnterAnimation">@anim/popup_enter</item> 
        <item name="android:windowExitAnimation">@anim/popup_exit</item>  
    </style> 
</resources> 

 

main.xml的源码如下：

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  1. <?xml version="1.0" encoding="utf-8"?>  
  2. <LinearLayout android:id="@+id/LinearLayout01"  
  3.     android:layout_width="fill_parent" android:layout_height="fill_parent"  
  4.     xmlns:android="http://schemas.android.com/apk/res/android">  
  5.     <TextView android:id="@+id/TextView01" android:layout_height="wrap_content"  
  6.         android:layout_width="fill_parent" android:text="扩展Menu----hellogv"></TextView>  
  7. </LinearLayout>  

TabMenu的封装类TabMenu.java的源码如下：

 

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  1. package com.testTabMenu;  
  2. import android.content.Context;  
  3. import android.graphics.Color;  
  4. import android.graphics.drawable.ColorDrawable;  
  5. import android.view.Gravity;  
  6. import android.view.View;  
  7. import android.view.ViewGroup;  
  8. import android.widget.BaseAdapter;  
  9. import android.widget.GridView;  
  10. import android.widget.ImageView;  
  11. import android.widget.LinearLayout;  
  12. import android.widget.PopupWindow;  
  13. import android.widget.TextView;  
  14. import android.widget.AdapterView.OnItemClickListener;  
  15. import android.widget.LinearLayout.LayoutParams;  
  16. public class TabMenu extends PopupWindow{  
  17.     private GridView gvBody, gvTitle;  
  18.     private LinearLayout mLayout;  
  19.     private MenuTitleAdapter titleAdapter;  
  20.     public TabMenu(Context context,OnItemClickListener titleClick,OnItemClickListener bodyClick,  
  21.             MenuTitleAdapter titleAdapter,int colorBgTabMenu,int aniTabMenu){  
  22.         super(context);  
  23.           
  24.         mLayout = new LinearLayout(context);  
  25.         mLayout.setOrientation(LinearLayout.VERTICAL);  
  26.         //标题选项栏  
  27.         gvTitle = new GridView(context);  
  28.         gvTitle.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));  
  29.         gvTitle.setNumColumns(titleAdapter.getCount());  
  30.         gvTitle.setStretchMode(GridView.STRETCH_COLUMN_WIDTH);  
  31.         gvTitle.setVerticalSpacing(1);  
  32.         gvTitle.setHorizontalSpacing(1);  
  33.         gvTitle.setGravity(Gravity.CENTER);  
  34.         gvTitle.setOnItemClickListener(titleClick);  
  35.         gvTitle.setAdapter(titleAdapter);  
  36.         gvTitle.setSelector(new ColorDrawable(Color.TRANSPARENT));//选中的时候为透明色  
  37.         this.titleAdapter=titleAdapter;  
  38.         //子选项栏  
  39.         gvBody = new GridView(context);  
  40.         gvBody.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT));  
  41.         gvBody.setSelector(new ColorDrawable(Color.TRANSPARENT));//选中的时候为透明色  
  42.         gvBody.setNumColumns(4);  
  43.         gvBody.setStretchMode(GridView.STRETCH_COLUMN_WIDTH);  
  44.         gvBody.setVerticalSpacing(10);  
  45.         gvBody.setHorizontalSpacing(10);  
  46.         gvBody.setPadding(10, 10, 10, 10);  
  47.         gvBody.setGravity(Gravity.CENTER);  
  48.         gvBody.setOnItemClickListener(bodyClick);  
  49.         mLayout.addView(gvTitle);  
  50.         mLayout.addView(gvBody);  
  51.           
  52.         //设置默认项  
  53.         this.setContentView(mLayout);  
  54.         this.setWidth(LayoutParams.FILL_PARENT);  
  55.         this.setHeight(LayoutParams.WRAP_CONTENT);  
  56.         this.setBackgroundDrawable(new ColorDrawable(colorBgTabMenu));// 设置TabMenu菜单背景  
  57.         this.setAnimationStyle(aniTabMenu);  
  58.         this.setFocusable(true);// menu菜单获得焦点 如果没有获得焦点menu菜单中的控件事件无法响应  
  59.     }  
  60.       
  61.       
  62.     public void SetTitleSelect(int index)  
  63.     {  
  64.         gvTitle.setSelection(index);  
  65.         this.titleAdapter.SetFocus(index);  
  66.     }  
  67.       
  68.     public void SetBodySelect(int index,int colorSelBody)  
  69.     {  
  70.         int count=gvBody.getChildCount();  
  71.         for(int i=0;i<count;i++)  
  72.         {  
  73.             if(i!=index)  
  74.                 ((LinearLayout)gvBody.getChildAt(i)).setBackgroundColor(Color.TRANSPARENT);  
  75.         }  
  76.         ((LinearLayout)gvBody.getChildAt(index)).setBackgroundColor(colorSelBody);  
  77.     }  
  78.       
  79.     public void SetBodyAdapter(MenuBodyAdapter bodyAdapter)  
  80.     {  
  81.         gvBody.setAdapter(bodyAdapter);  
  82.     }  
  83.       
  84.     /** 
  85.      * 自定义Adapter，TabMenu的每个分页的主体 
  86.      *  
  87.      */  
  88.     static public class MenuBodyAdapter extends BaseAdapter {  
  89.         private Context mContext;  
  90.         private int fontColor,fontSize;  
  91.         private String[] texts;  
  92.         private int[] resID;  
  93.         /** 
  94.          * 设置TabMenu的分页主体 
  95.          * @param context 调用方的上下文 
  96.          * @param texts 按钮集合的字符串数组 
  97.          * @param resID 按钮集合的图标资源数组 
  98.          * @param fontSize 按钮字体大小 
  99.          * @param color 按钮字体颜色 
  100.          */  
  101.         public MenuBodyAdapter(Context context, String[] texts,int[] resID, int fontSize,int fontColor)   
  102.         {  
  103.             this.mContext = context;  
  104.             this.fontColor = fontColor;  
  105.             this.texts = texts;  
  106.             this.fontSize=fontSize;  
  107.             this.resID=resID;  
  108.         }  
  109.         public int getCount() {  
  110.             return texts.length;  
  111.         }  
  112.         public Object getItem(int position) {  
  113.               
  114.             return makeMenyBody(position);  
  115.         }  
  116.         public long getItemId(int position) {  
  117.             return position;  
  118.         }  
  119.           
  120.         private LinearLayout makeMenyBody(int position)  
  121.         {  
  122.             LinearLayout result=new LinearLayout(this.mContext);  
  123.             result.setOrientation(LinearLayout.VERTICAL);  
  124.             result.setGravity(Gravity.CENTER_HORIZONTAL|Gravity.CENTER_VERTICAL);     
  125.             result.setPadding(10, 10, 10, 10);  
  126.               
  127.             TextView text = new TextView(this.mContext);  
  128.             text.setText(texts[position]);  
  129.             text.setTextSize(fontSize);  
  130.             text.setTextColor(fontColor);  
  131.             text.setGravity(Gravity.CENTER);  
  132.             text.setPadding(5, 5, 5, 5);  
  133.             ImageView img=new ImageView(this.mContext);  
  134.             img.setBackgroundResource(resID[position]);  
  135.             result.addView(img,new LinearLayout.LayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT)));  
  136.             result.addView(text);  
  137.             return result;  
  138.         }  
  139.           
  140.         public View getView(int position, View convertView, ViewGroup parent) {  
  141.             return makeMenyBody(position);  
  142.         }  
  143.     }  
  144.       
  145.       
  146.     /** 
  147.      * 自定义Adapter,TabMenu的分页标签部分 
  148.      *  
  149.      */  
  150.     static public class MenuTitleAdapter extends BaseAdapter {  
  151.         private Context mContext;  
  152.         private int fontColor,unselcolor,selcolor;  
  153.         private TextView[] title;  
  154.         /** 
  155.          * 设置TabMenu的title 
  156.          * @param context 调用方的上下文 
  157.          * @param titles 分页标签的字符串数组 
  158.          * @param fontSize 字体大小 
  159.          * @param fontcolor 字体颜色 
  160.          * @param unselcolor 未选中项的背景色 
  161.          * @param selcolor 选中项的背景色 
  162.          */  
  163.         public MenuTitleAdapter(Context context, String[] titles, int fontSize,  
  164.                 int fontcolor,int unselcolor,int selcolor) {  
  165.             this.mContext = context;  
  166.             this.fontColor = fontcolor;  
  167.             this.unselcolor = unselcolor;  
  168.             this.selcolor=selcolor;  
  169.             this.title = new TextView[titles.length];  
  170.             for (int i = 0; i < titles.length; i++) {  
  171.                 title[i] = new TextView(mContext);  
  172.                 title[i].setText(titles[i]);  
  173.                 title[i].setTextSize(fontSize);  
  174.                 title[i].setTextColor(fontColor);  
  175.                 title[i].setGravity(Gravity.CENTER);  
  176.                 title[i].setPadding(10, 10, 10, 10);  
  177.             }  
  178.         }  
  179.         public int getCount() {  
  180.             return title.length;  
  181.         }  
  182.         public Object getItem(int position) {  
  183.             return title[position];  
  184.         }  
  185.         public long getItemId(int position) {  
  186.             return title[position].getId();  
  187.         }  
  188.         /** 
  189.          * 设置选中的效果 
  190.          */  
  191.         private void SetFocus(int index)  
  192.         {  
  193.             for(int i=0;i<title.length;i++)  
  194.             {  
  195.                 if(i!=index)  
  196.                 {  
  197.                     title[i].setBackgroundDrawable(new ColorDrawable(unselcolor));//设置没选中的颜色  
  198.                     title[i].setTextColor(fontColor);//设置没选中项的字体颜色  
  199.                 }  
  200.             }  
  201.             title[index].setBackgroundColor(0x00);//设置选中项的颜色  
  202.             title[index].setTextColor(selcolor);//设置选中项的字体颜色  
  203.         }  
  204.           
  205.         public View getView(int position, View convertView, ViewGroup parent) {  
  206.             View v;  
  207.             if (convertView == null) {  
  208.                 v = title[position];  
  209.             } else {  
  210.                 v = convertView;  
  211.             }  
  212.             return v;  
  213.         }  
  214.     }  
  215. }  

testTabMenu介绍了数据的定义以及TabMenu的使用，源码如下：

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  1. package com.testTabMenu;  
  2. import android.app.Activity;  
  3. import android.graphics.Color;  
  4. import android.os.Bundle;  
  5. import android.view.Gravity;  
  6. import android.view.Menu;  
  7. import android.view.View;  
  8. import android.widget.AdapterView;  
  9. import android.widget.AdapterView.OnItemClickListener;  
  10. import android.widget.Toast;  
  11. public class testTabMenu extends Activity {  
  12.     TabMenu.MenuBodyAdapter []bodyAdapter=new TabMenu.MenuBodyAdapter[3];  
  13.     TabMenu.MenuTitleAdapter titleAdapter;  
  14.     TabMenu tabMenu;  
  15.     int selTitle=0;  
  16.     @Override  
  17.     public void onCreate(Bundle savedInstanceState) {  
  18.         super.onCreate(savedInstanceState);  
  19.         setContentView(R.layout.main);  
  20.         //设置分页栏的标题  
  21.         titleAdapter = new TabMenu.MenuTitleAdapter(this, new String[] { "常用",  
  22.                 "设置", "工具" }, 16, 0xFF222222,Color.LTGRAY,Color.WHITE);  
  23.         //定义每项分页栏的内容  
  24.         bodyAdapter[0]=new TabMenu.MenuBodyAdapter(this,new String[] { "常用1", "常用2", },   
  25.                  new int[] { R.drawable.menu_test,  
  26.                 R.drawable.menu_bookmark},13, 0xFFFFFFFF);  
  27.            
  28.         bodyAdapter[1]=new TabMenu.MenuBodyAdapter(this,new String[] { "设置1", "设置2",  
  29.                     "设置3"}, new int[] { R.drawable.menu_edit,  
  30.                     R.drawable.menu_delete, R.drawable.menu_fullscreen},13, 0xFFFFFFFF);  
  31.            
  32.         bodyAdapter[2]=new TabMenu.MenuBodyAdapter(this,new String[] { "工具1", "工具2",  
  33.                     "工具3", "工具4" }, new int[] { R.drawable.menu_copy,  
  34.                     R.drawable.menu_cut, R.drawable.menu_normalmode,  
  35.                     R.drawable.menu_quit },13, 0xFFFFFFFF);  
  36.            
  37.            
  38.         tabMenu=new TabMenu(this,  
  39.                  new TitleClickEvent(),  
  40.                  new BodyClickEvent(),  
  41.                  titleAdapter,  
  42.                  0x55123456,//TabMenu的背景颜色  
  43.                  R.style.PopupAnimation);//出现与消失的动画  
  44.            
  45.          tabMenu.update();  
  46.          tabMenu.SetTitleSelect(0);  
  47.          tabMenu.SetBodyAdapter(bodyAdapter[0]);  
  48.     }  
  49.       
  50.     class TitleClickEvent implements OnItemClickListener{  
  51.         @Override  
  52.         public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,  
  53.                 long arg3) {  
  54.             selTitle=arg2;  
  55.             tabMenu.SetTitleSelect(arg2);  
  56.             tabMenu.SetBodyAdapter(bodyAdapter[arg2]);  
  57.         }  
  58.     }  
  59.       
  60.     class BodyClickEvent implements OnItemClickListener{  
  61.         @Override  
  62.         public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,  
  63.                 long arg3) {  
  64.             tabMenu.SetBodySelect(arg2,Color.GRAY);  
  65.             String str="第"+String.valueOf(selTitle)+"栏\n\r"  
  66.             +"第"+String.valueOf(arg2)+"项";  
  67.             Toast.makeText(testTabMenu.this, str, 500).show();  
  68.               
  69.         }  
  70.           
  71.     }  
  72.     @Override  
  73.     /** 
  74.      * 创建MENU 
  75.      */  
  76.     public boolean onCreateOptionsMenu(Menu menu) {  
  77.         menu.add("menu");// 必须创建一项  
  78.         return super.onCreateOptionsMenu(menu);  
  79.     }  
  80.     @Override  
  81.     /** 
  82.      * 拦截MENU 
  83.      */  
  84.     public boolean onMenuOpened(int featureId, Menu menu) {  
  85.         if (tabMenu != null) {  
  86.             if (tabMenu.isShowing())  
  87.                 tabMenu.dismiss();  
  88.             else {  
  89.                 tabMenu.showAtLocation(findViewById(R.id.LinearLayout01),  
  90.                         Gravity.BOTTOM, 0, 0);  
  91.             }  
  92.         }  
  93.         return false;// 返回为true 则显示系统menu  
  94.     }  
  95.       
  96. } 
posted @ 2011-06-13 17:23  Greenwood  阅读(1295)  评论(1)  编辑  收藏  举报