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仿UC菜单的实现
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http://blog.csdn.net/hellogv/archive/2011/01/28/6168439.aspx
（另）http://www.cnblogs.com/lichien/archive/2010/09/07/1820453.html
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先來看看本文程序運(yùn)行的效果：
TabMenu 本身就是一個(gè)PopupWindow，PopupWindow上面放了兩個(gè)GridView,第一個(gè)GridView就是分頁標(biāo)簽，位于 PopupWindow的頂部，第二個(gè)GridView是菜單，位于PopupWindow的主體。為了實(shí)現(xiàn)PopupWindow的彈出/退出的動畫效 果，本文使用了以下代碼：
在工程的res文件夾里添加anim子目錄，再新建文件popup_enter.xml：
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<?xml?version="1.0"?encoding="utf-8"?>??<set?xmlns:android="http://schemas.android.com/apk/res/android">??????<translate?android:fromYDelta="100%p"?android:toYDelta="0"?android:duration="1000"?/>??????<alpha?android:fromAlpha="0.0"?android:toAlpha="1.0"?android:duration="1000"?/>??</set>??? 新建文件popup_exit.xml：
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<?xml?version="1.0"?encoding="utf-8"?>??<set?xmlns:android="http://schemas.android.com/apk/res/android">??????<translate?android:fromYDelta="0"?android:toYDelta="100%p"?android:duration="1000"?/>??????<alpha?android:fromAlpha="1.0"?android:toAlpha="0.0"?android:duration="1000"?/>??</set>???
在工程的values文件夾里新建文件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>?
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main.xml的源碼如下：
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<?xml?version="1.0"?encoding="utf-8"?>??<LinearLayout?android:id="@+id/LinearLayout01"??????android:layout_width="fill_parent"?android:layout_height="fill_parent"??????xmlns:android="http://schemas.android.com/apk/res/android">??????<TextView?android:id="@+id/TextView01"?android:layout_height="wrap_content"??????????android:layout_width="fill_parent"?android:text="擴(kuò)展Menu----hellogv"></TextView>??</LinearLayout>?? TabMenu的封裝類TabMenu.java的源碼如下：
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package?com.testTabMenu;??import?android.content.Context;??import?android.graphics.Color;??import?android.graphics.drawable.ColorDrawable;??import?android.view.Gravity;??import?android.view.View;??import?android.view.ViewGroup;??import?android.widget.BaseAdapter;??import?android.widget.GridView;??import?android.widget.ImageView;??import?android.widget.LinearLayout;??import?android.widget.PopupWindow;??import?android.widget.TextView;??import?android.widget.AdapterView.OnItemClickListener;??import?android.widget.LinearLayout.LayoutParams;??public?class?TabMenu?extends?PopupWindow{??????private?GridView?gvBody,?gvTitle;??????private?LinearLayout?mLayout;??????private?MenuTitleAdapter?titleAdapter;??????public?TabMenu(Context?context,OnItemClickListener?titleClick,OnItemClickListener?bodyClick,??????????????MenuTitleAdapter?titleAdapter,int?colorBgTabMenu,int?aniTabMenu){??????????super(context);????????????????????mLayout?=?new?LinearLayout(context);??????????mLayout.setOrientation(LinearLayout.VERTICAL);????????????????????gvTitle?=?new?GridView(context);??????????gvTitle.setLayoutParams(new?LayoutParams(LayoutParams.FILL_PARENT,?LayoutParams.WRAP_CONTENT));??????????gvTitle.setNumColumns(titleAdapter.getCount());??????????gvTitle.setStretchMode(GridView.STRETCH_COLUMN_WIDTH);??????????gvTitle.setVerticalSpacing(1);??????????gvTitle.setHorizontalSpacing(1);??????????gvTitle.setGravity(Gravity.CENTER);??????????gvTitle.setOnItemClickListener(titleClick);??????????gvTitle.setAdapter(titleAdapter);??????????gvTitle.setSelector(new?ColorDrawable(Color.TRANSPARENT));????????this.titleAdapter=titleAdapter;????????????????????gvBody?=?new?GridView(context);??????????gvBody.setLayoutParams(new?LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT));??????????gvBody.setSelector(new?ColorDrawable(Color.TRANSPARENT));????????gvBody.setNumColumns(4);??????????gvBody.setStretchMode(GridView.STRETCH_COLUMN_WIDTH);??????????gvBody.setVerticalSpacing(10);??????????gvBody.setHorizontalSpacing(10);??????????gvBody.setPadding(10,?10,?10,?10);??????????gvBody.setGravity(Gravity.CENTER);??????????gvBody.setOnItemClickListener(bodyClick);??????????mLayout.addView(gvTitle);??????????mLayout.addView(gvBody);??????????????????????????????this.setContentView(mLayout);??????????this.setWidth(LayoutParams.FILL_PARENT);??????????this.setHeight(LayoutParams.WRAP_CONTENT);??????????this.setBackgroundDrawable(new?ColorDrawable(colorBgTabMenu));??????????this.setAnimationStyle(aniTabMenu);??????????this.setFocusable(true);??????}??????????????????public?void?SetTitleSelect(int?index)??????{??????????gvTitle.setSelection(index);??????????this.titleAdapter.SetFocus(index);??????}????????????public?void?SetBodySelect(int?index,int?colorSelBody)??????{??????????int?count=gvBody.getChildCount();??????????for(int?i=0;i<count;i++)??????????{??????????????if(i!=index)??????????????????((LinearLayout)gvBody.getChildAt(i)).setBackgroundColor(Color.TRANSPARENT);??????????}??????????((LinearLayout)gvBody.getChildAt(index)).setBackgroundColor(colorSelBody);??????}????????????public?void?SetBodyAdapter(MenuBodyAdapter?bodyAdapter)??????{??????????gvBody.setAdapter(bodyAdapter);??????}?????????????????????static?public?class?MenuBodyAdapter?extends?BaseAdapter?{??????????private?Context?mContext;??????????private?int?fontColor,fontSize;??????????private?String[]?texts;??????????private?int[]?resID;???????????????????????????public?MenuBodyAdapter(Context?context,?String[]?texts,int[]?resID,?int?fontSize,int?fontColor)???????????{??????????????this.mContext?=?context;??????????????this.fontColor?=?fontColor;??????????????this.texts?=?texts;??????????????this.fontSize=fontSize;??????????????this.resID=resID;??????????}??????????public?int?getCount()?{??????????????return?texts.length;??????????}??????????public?Object?getItem(int?position)?{????????????????????????????return?makeMenyBody(position);??????????}??????????public?long?getItemId(int?position)?{??????????????return?position;??????????}????????????????????private?LinearLayout?makeMenyBody(int?position)??????????{??????????????LinearLayout?result=new?LinearLayout(this.mContext);??????????????result.setOrientation(LinearLayout.VERTICAL);??????????????result.setGravity(Gravity.CENTER_HORIZONTAL|Gravity.CENTER_VERTICAL);?????????????????result.setPadding(10,?10,?10,?10);????????????????????????????TextView?text?=?new?TextView(this.mContext);??????????????text.setText(texts[position]);??????????????text.setTextSize(fontSize);??????????????text.setTextColor(fontColor);??????????????text.setGravity(Gravity.CENTER);??????????????text.setPadding(5,?5,?5,?5);??????????????ImageView?img=new?ImageView(this.mContext);??????????????img.setBackgroundResource(resID[position]);??????????????result.addView(img,new?LinearLayout.LayoutParams(new?LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT)));??????????????result.addView(text);??????????????return?result;??????????}????????????????????public?View?getView(int?position,?View?convertView,?ViewGroup?parent)?{??????????????return?makeMenyBody(position);??????????}??????}???????????????????????????static?public?class?MenuTitleAdapter?extends?BaseAdapter?{??????????private?Context?mContext;??????????private?int?fontColor,unselcolor,selcolor;??????????private?TextView[]?title;????????????????????????????public?MenuTitleAdapter(Context?context,?String[]?titles,?int?fontSize,??????????????????int?fontcolor,int?unselcolor,int?selcolor)?{??????????????this.mContext?=?context;??????????????this.fontColor?=?fontcolor;??????????????this.unselcolor?=?unselcolor;??????????????this.selcolor=selcolor;??????????????this.title?=?new?TextView[titles.length];??????????????for?(int?i?=?0;?i?<?titles.length;?i++)?{??????????????????title[i]?=?new?TextView(mContext);??????????????????title[i].setText(titles[i]);??????????????????title[i].setTextSize(fontSize);??????????????????title[i].setTextColor(fontColor);??????????????????title[i].setGravity(Gravity.CENTER);??????????????????title[i].setPadding(10,?10,?10,?10);??????????????}??????????}??????????public?int?getCount()?{??????????????return?title.length;??????????}??????????public?Object?getItem(int?position)?{??????????????return?title[position];??????????}??????????public?long?getItemId(int?position)?{??????????????return?title[position].getId();??????????}??????????????????????private?void?SetFocus(int?index)??????????{??????????????for(int?i=0;i<title.length;i++)??????????????{??????????????????if(i!=index)??????????????????{??????????????????????title[i].setBackgroundDrawable(new?ColorDrawable(unselcolor));??????????????????????title[i].setTextColor(fontColor);??????????????????}??????????????}??????????????title[index].setBackgroundColor(0x00);??????????????title[index].setTextColor(selcolor);??????????}????????????????????public?View?getView(int?position,?View?convertView,?ViewGroup?parent)?{??????????????View?v;??????????????if?(convertView?==?null)?{??????????????????v?=?title[position];??????????????}?else?{??????????????????v?=?convertView;??????????????}??????????????return?v;??????????}??????}??}?? testTabMenu介紹了數(shù)據(jù)的定義以及TabMenu的使用，源碼如下：
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package?com.testTabMenu;??import?android.app.Activity;??import?android.graphics.Color;??import?android.os.Bundle;??import?android.view.Gravity;??import?android.view.Menu;??import?android.view.View;??import?android.widget.AdapterView;??import?android.widget.AdapterView.OnItemClickListener;??import?android.widget.Toast;??public?class?testTabMenu?extends?Activity?{??????TabMenu.MenuBodyAdapter?[]bodyAdapter=new?TabMenu.MenuBodyAdapter[3];??????TabMenu.MenuTitleAdapter?titleAdapter;??????TabMenu?tabMenu;??????int?selTitle=0;??????@Override??????public?void?onCreate(Bundle?savedInstanceState)?{??????????super.onCreate(savedInstanceState);??????????setContentView(R.layout.main);????????????????????titleAdapter?=?new?TabMenu.MenuTitleAdapter(this,?new?String[]?{?"常用",??????????????????"設(shè)置",?"工具"?},?16,?0xFF222222,Color.LTGRAY,Color.WHITE);????????????????????bodyAdapter[0]=new?TabMenu.MenuBodyAdapter(this,new?String[]?{?"常用1",?"常用2",?},????????????????????new?int[]?{?R.drawable.menu_test,??????????????????R.drawable.menu_bookmark},13,?0xFFFFFFFF);?????????????????????bodyAdapter[1]=new?TabMenu.MenuBodyAdapter(this,new?String[]?{?"設(shè)置1",?"設(shè)置2",??????????????????????"設(shè)置3"},?new?int[]?{?R.drawable.menu_edit,??????????????????????R.drawable.menu_delete,?R.drawable.menu_fullscreen},13,?0xFFFFFFFF);?????????????????????bodyAdapter[2]=new?TabMenu.MenuBodyAdapter(this,new?String[]?{?"工具1",?"工具2",??????????????????????"工具3",?"工具4"?},?new?int[]?{?R.drawable.menu_copy,??????????????????????R.drawable.menu_cut,?R.drawable.menu_normalmode,??????????????????????R.drawable.menu_quit?},13,?0xFFFFFFFF);????????????????????????????????tabMenu=new?TabMenu(this,???????????????????new?TitleClickEvent(),???????????????????new?BodyClickEvent(),???????????????????titleAdapter,???????????????????0x55123456,???????????????????R.style.PopupAnimation);??????????????????????tabMenu.update();???????????tabMenu.SetTitleSelect(0);???????????tabMenu.SetBodyAdapter(bodyAdapter[0]);??????}????????????class?TitleClickEvent?implements?OnItemClickListener{??????????@Override??????????public?void?onItemClick(AdapterView<?>?arg0,?View?arg1,?int?arg2,??????????????????long?arg3)?{??????????????selTitle=arg2;??????????????tabMenu.SetTitleSelect(arg2);??????????????tabMenu.SetBodyAdapter(bodyAdapter[arg2]);??????????}??????}????????????class?BodyClickEvent?implements?OnItemClickListener{??????????@Override??????????public?void?onItemClick(AdapterView<?>?arg0,?View?arg1,?int?arg2,??????????????????long?arg3)?{??????????????tabMenu.SetBodySelect(arg2,Color.GRAY);??????????????String?str="第"+String.valueOf(selTitle)+"欄\n\r"??????????????+"第"+String.valueOf(arg2)+"項(xiàng)";??????????????Toast.makeText(testTabMenu.this,?str,?500).show();????????????????????????}????????????????}??????@Override??????????????public?boolean?onCreateOptionsMenu(Menu?menu)?{??????????menu.add("menu");??????????return?super.onCreateOptionsMenu(menu);??????}??????@Override??????????????public?boolean?onMenuOpened(int?featureId,?Menu?menu)?{??????????if?(tabMenu?!=?null)?{??????????????if?(tabMenu.isShowing())??????????????????tabMenu.dismiss();??????????????else?{??????????????????tabMenu.showAtLocation(findViewById(R.id.LinearLayout01),??????????????????????????Gravity.BOTTOM,?0,?0);??????????????}??????????}??????????return?false;??????}????????}?
轉(zhuǎn)載于:https://www.cnblogs.com/Greenwood/archive/2011/06/13/2079913.html
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