九宫格菜单布局
这里要介绍一下制作九宫格菜单的两种方法：
第一种就是直接使用布局文件。在ScrollView中嵌套Button即可，这种做法适用于按钮位置不变，功能固定的情况。
第二种使用的是GridView，通过设置数据源来动态生成布局，这种做法灵活性比较大，适用于功能不固定的情况，比如用户的权限不够的时候，设置某些按钮不可见等。
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我将这两种做法整理到一个Demo中。下面是效果图：
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下面先介绍第一种做法（使用布局文件）的主要代码：
布局文件activity_common.xml
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CommonActivity.java
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MainActivity.java
import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.content.Intent;import android.graphics.drawable.Drawable;import android.os.Bundle;import android.util.Log;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.BaseAdapter;import android.widget.Button;import android.widget.GridView;import android.widget.TextView;/** * This Five Direction Pad is made by the widget of GridView and Button * * 这个就宫格菜单采用的是GridView和Button来实现的 * * @author MichaelYe * @since 2012-9-4 * */public class MainActivity extends Activity {private ViewHolder viewHolder;private final static String STR_WORKBANCH = "工作台";private final static String STR_COMPANY = "公司概况";private final static String STR_ZHIXINLI = "执行力";private final static String STR_MANAGE = "人才管理";private final static String STR_ARCHIVE = "员工档案";private final static String STR_ADDRESS_BOOK = "通讯录";private final static String STR_PLACARD = "公告";private final static String STR_MY_ARCHIVE = "我的档案";private final static String STR_SET = "设置";class ViewHolder{private Button btnLogout;private TextView tvAdd;private GridView gvGridView;} @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); viewHolder = new ViewHolder(); iniComponent(); viewHolder.gvGridView.setSelector(R.drawable.main_icon_bg_selector);//设置GridView自身的Item点击效果 viewHolder.gvGridView.setAdapter(new GridViewAdapter(stringList)); viewHolder.gvGridView.setOnItemClickListener(new OnItemClickListener() {public void onItemClick(AdapterView<?> parent, View view,int position, long id) {Log.e("++++++++++++++++:", ""+position);}}); } private List<String> stringList; private void iniComponent() { viewHolder.btnLogout = (Button)findViewById(R.id.btn_logout); viewHolder.tvAdd = (TextView)findViewById(R.id.tv_add); viewHolder.gvGridView = (GridView)findViewById(R.id.gv_gridview); viewHolder.btnLogout.setOnClickListener(clickListener); viewHolder.tvAdd.setOnClickListener(clickListener); stringList = new ArrayList<String>(); stringList.add("工作台"); stringList.add("公司概况"); stringList.add("执行力"); stringList.add("人才管理"); stringList.add("员工档案"); stringList.add("通讯录"); stringList.add("公告"); stringList.add("我的档案"); stringList.add("设置"); } private class GridViewAdapter extends BaseAdapter { List<String> stringList; int textColor; Drawable iconBg; public GridViewAdapter(List<String> stringList) { this.stringList = stringList; textColor = MainActivity.this.getResources().getColor(R.color.main_button_color);//文字颜色 iconBg = MainActivity.this.getResources().getDrawable(R.drawable.main_icon_bg_normal);//透明背景 } public int getCount() {return this.stringList.size();}public Object getItem(int position) {return null;}public long getItemId(int position) {return position;}class ViewHolder{private Button btn;}public View getView(int position, View convertView, ViewGroup parent) {ViewHolder viewHolder;if(convertView == null){//另外一种通过布局文件加载Item的做法//LayoutInflater myInflater = LayoutInflater.from(Act_Main.this); // convertView = myInflater.inflate(R.layout.gridview_item, null);//viewHolder = new ViewHolder();//viewHolder.btn = (Button)convertView.findViewById(R.id.button);//convertView.setTag(viewHolder);viewHolder = new ViewHolder();viewHolder.btn = new Button(MainActivity.this);viewHolder.btn.setClickable(false);viewHolder.btn.setFocusable(false);convertView = viewHolder.btn;convertView.setTag(viewHolder);}else{viewHolder = (ViewHolder)convertView.getTag();}String str = this.stringList.get(position);if(str.equals(STR_WORKBANCH)){viewHolder.btn.setCompoundDrawablesWithIntrinsicBounds(null,MainActivity.this.getResources().getDrawable(R.drawable.main_icon_workbench),null,null);viewHolder.btn.setBackgroundDrawable(iconBg);viewHolder.btn.setTextColor(textColor);viewHolder.btn.setText(STR_WORKBANCH);}if(str.equals(STR_COMPANY)){viewHolder.btn.setCompoundDrawablesWithIntrinsicBounds(null,MainActivity.this.getResources().getDrawable(R.drawable.main_icon_company),null,null);viewHolder.btn.setBackgroundDrawable(iconBg);viewHolder.btn.setTextColor(textColor);viewHolder.btn.setText(STR_COMPANY);}if(str.equals(STR_ZHIXINLI)){viewHolder.btn.setCompoundDrawablesWithIntrinsicBounds(null,MainActivity.this.getResources().getDrawable(R.drawable.main_icon_zxl),null,null);viewHolder.btn.setBackgroundDrawable(iconBg);viewHolder.btn.setTextColor(textColor);viewHolder.btn.setText(STR_ZHIXINLI);}if(str.equals(STR_MANAGE)){viewHolder.btn.setCompoundDrawablesWithIntrinsicBounds(null,MainActivity.this.getResources().getDrawable(R.drawable.main_icon_manage),null,null);viewHolder.btn.setBackgroundDrawable(iconBg);viewHolder.btn.setTextColor(textColor);viewHolder.btn.setText(STR_MANAGE);}if(str.equals(STR_ARCHIVE)){viewHolder.btn.setCompoundDrawablesWithIntrinsicBounds(null,MainActivity.this.getResources().getDrawable(R.drawable.main_icon_record),null,null);viewHolder.btn.setBackgroundDrawable(iconBg);viewHolder.btn.setTextColor(textColor);viewHolder.btn.setText(STR_ARCHIVE);}if(str.equals(STR_ADDRESS_BOOK)){viewHolder.btn.setCompoundDrawablesWithIntrinsicBounds(null,MainActivity.this.getResources().getDrawable(R.drawable.main_icon_addlist),null,null);viewHolder.btn.setBackgroundDrawable(iconBg);viewHolder.btn.setTextColor(textColor);viewHolder.btn.setText(STR_ADDRESS_BOOK);}if(str.equals(STR_PLACARD)){viewHolder.btn.setCompoundDrawablesWithIntrinsicBounds(null,MainActivity.this.getResources().getDrawable(R.drawable.main_icon_placard),null,null);viewHolder.btn.setBackgroundDrawable(iconBg);viewHolder.btn.setTextColor(textColor);viewHolder.btn.setText(STR_PLACARD);}if(str.equals(STR_MY_ARCHIVE)){viewHolder.btn.setCompoundDrawablesWithIntrinsicBounds(null,MainActivity.this.getResources().getDrawable(R.drawable.main_icon_myrecord),null,null);viewHolder.btn.setBackgroundDrawable(iconBg);viewHolder.btn.setTextColor(textColor);viewHolder.btn.setText(STR_MY_ARCHIVE);}if(str.equals(STR_SET)){viewHolder.btn.setCompoundDrawablesWithIntrinsicBounds(null,MainActivity.this.getResources().getDrawable(R.drawable.main_icon_set),null,null);viewHolder.btn.setBackgroundDrawable(iconBg);viewHolder.btn.setTextColor(textColor);viewHolder.btn.setText(STR_SET);//viewHolder.btn.setOnClickListener(new OnClickListener() {////public void onClick(View v) {//// TODO Auto-generated method stub//Log.e("111111111111111", "");//}//});}return convertView;} }; private View.OnClickListener clickListener = new View.OnClickListener() {public void onClick(View v) {switch (v.getId()) {case R.id.btn_logout:Intent intent = new Intent();intent.setClass(MainActivity.this, CommonActivity.class);startActivity(intent);break;case R.id.tv_add:break;}} };}?
具体使用哪种可以根据情况而定。
项目下载地址：
https://github.com/michaelye/DemoGridView
