android应用源码QQ_UI之分类菜单-IT计算机-毕业设计.zip

package com.src.zhang.demo; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import android.content.Context; import android.view.Gravity; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.AbsListView; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.BaseExpandableListAdapter; import android.widget.Toast; import android.widget.SimpleAdapter; import android.widget.TextView; /** * 私念 * * @author Administrator * */ public class ListViewAdapter extends BaseExpandableListAdapter implements OnItemClickListener { public static final int ItemHeight = 48;// 每项的高度 public static final int PaddingLeft = 36;// 每项的高度 private int myPaddingLeft = 0; private MyGridView toolbarGrid; private String menu_toolbar_name_array[] = { "存储卡", "我的下载", "图书导入", "系统备份", "系统恢复", "清除全部", "在线升级", "快速入门", "关于开卷", "退出系统", "在线升级", "快速入门", "关于开卷", "退出系统", "关于开卷", "退出系统", "关于开卷", "退出系统", "关于开卷", "退出系统" }; private int menu_toolbar_image_array[] = { R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard, R.drawable.icon_sdcard }; private List<TreeNode> treeNodes = new ArrayList<TreeNode>(); private Context parentContext; private LayoutInflater layoutInflater; static public class TreeNode { Object parent; List<Object> childs = new ArrayList<Object>(); } public ListViewAdapter(Context view, int myPaddingLeft) { parentContext = view; this.myPaddingLeft = myPaddingLeft; } public List<TreeNode> GetTreeNode() { return treeNodes; } public void UpdateTreeNode(List<TreeNode> nodes) { treeNodes = nodes; } public void RemoveAll() { treeNodes.clear(); } public Object getChild(int groupPosition, int childPosition) { return treeNodes.get(groupPosition).childs.get(childPosition); } public int getChildrenCount(int groupPosition) { return treeNodes.get(groupPosition).childs.size(); } static public TextView getTextView(Context context) { AbsListView.LayoutParams lp = new AbsListView.LayoutParams( ViewGroup.LayoutParams.FILL_PARENT, ItemHeight); TextView textView = new TextView(context); textView.setLayoutParams(lp); textView.setGravity(Gravity.CENTER_VERTICAL | Gravity.LEFT); return textView; } /** * 可自定义ExpandableListView */ public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) { if (convertView == null) { layoutInflater = (LayoutInflater) parentContext .getSystemService(Context.LAYOUT_INFLATER_SERVICE); convertView = layoutInflater.inflate(R.layout.view, null); toolbarGrid = (MyGridView) convertView .findViewById(R.id.GridView_toolbar); toolbarGrid.setNumColumns(4);// 设置每行列数 toolbarGrid.setGravity(Gravity.CENTER);// 位置居中 toolbarGrid.setHorizontalSpacing(10);// 水平间隔 toolbarGrid.setAdapter(getMenuAdapter(menu_toolbar_name_array, menu_toolbar_image_array));// 设置菜单Adapter toolbarGrid.setOnItemClickListener(this); } return convertView; } /** * 可自定义list */ public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { TextView textView = getTextView(this.parentContext); textView.setText(getGroup(groupPosition).toString()); textView.setPadding(myPaddingLeft + PaddingLeft, 0, 0, 0); return textView; } public long getChildId(int groupPosition, int childPosition) { return childPosition; } public Object getGroup(int groupPosition) { return treeNodes.get(groupPosition).parent; } public int getGroupCount() { return treeNodes.size(); } public long getGroupId(int groupPosition) { return groupPosition; } public boolean isChildSelectable(int groupPosition, int childPosition) { return true; } public boolean hasStableIds() { return true; } /** * 构造菜单Adapter * * @param menuNameArray * 名称 * @param imageResourceArray * 图片 * @return SimpleAdapter */ private SimpleAdapter getMenuAdapter(String[] menuNameArray, int[] imageResourceArray) { ArrayList<HashMap<String, Object>> data = new ArrayList<HashMap<String, Object>>(); for (int i = 0; i < menuNameArray.length; i++) { HashMap<String, Object> map = new HashMap<String, Object>(); map.put("itemImage", imageResourceArray[i]); map.put("itemText", menuNameArray[i]); data.add(map); } SimpleAdapter simperAdapter = new SimpleAdapter(parentContext, data, R.layout.item_menu, new String[] { "itemImage", "itemText" }, new int[] { R.id.item_image, R.id.item_text }); return simperAdapter; } @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { Toast.makeText(parentContext, "当前选中的是:" + position, Toast.LENGTH_SHORT) .show(); } }