android树，带图标、文字、按钮例子

package com.jxufe.treebutton; import java.util.ArrayList; import java.util.List; import android.content.Context; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; public class ButtonTreeBaseAdapter extends BaseAdapter { private LayoutInflater mInflater; // private List<Map<String, Object>> mData; //mData包含treepoint与复选框checkBox private List<ButtonTreePoint> mTreeBoyList; // 树中仅可见的节点数据列表 private List<ButtonTreePoint> nodes; // 树中所有的数据节点列表 private Bitmap mIconCollapse; private Bitmap mIconExpand; private TreeButtonListener treeButtonListener ; public static int static_count = 0; public String tag = "in ButtonTreeBaseAdapter"; //构造函数 public ButtonTreeBaseAdapter(Context context, List<ButtonTreePoint> mTreeBoyList, List<ButtonTreePoint> nodes) { super(); this.mInflater = LayoutInflater.from(context); this.mTreeBoyList = mTreeBoyList; this.nodes = nodes; mIconCollapse = BitmapFactory.decodeResource(context.getResources(), R.drawable.outline_list_collapse); mIconExpand = BitmapFactory.decodeResource(context.getResources(), R.drawable.outline_list_expand); } public int getCount() { // TODO Auto-generated method stub return mTreeBoyList.size(); } public Object getItem(int position) { // TODO Auto-generated method stub return null; } public long getItemId(int position) { // TODO Auto-generated method stub return 0; } public View getView(int position, View convertView, ViewGroup parent) { // TODO Auto-generated method stub ButtonTreePoint point = mTreeBoyList.get(position); ViewHolderButton holder = new ViewHolderButton(); convertView = mInflater.inflate(R.layout.tree_button_listview, null); //holder映射 holder.icon = (ImageView) convertView.findViewById(R.id.icon); holder.title = (TextView) convertView.findViewById(R.id.textView1); holder.button = (Button) convertView.findViewById(R.id.button1); //holder设置 holder.title.setText(point.getOutlineTitle()); holder.button.setFocusable(false); holder.button.setText(mTreeBoyList.get(position).getButtonName().toString()); convertView.setTag(holder); // 根据当前节点级别设置缩进 int level = point.getLevel(); holder.icon.setPadding(20 * (level + 1), holder.icon.getPaddingTop(), 0, holder.icon.getPaddingBottom()); // 根据当前节点是否有子节点及是否展开，设置节点图标状态 if (point.isMhasChild() && (point.isExpanded() == false)) { holder.icon.setImageBitmap(mIconCollapse); holder.icon.setVisibility(View.VISIBLE); } else if (point.isMhasChild() && (point.isExpanded() == true)) { holder.icon.setImageBitmap(mIconExpand); holder.icon.setVisibility(View.VISIBLE); } else if (!point.isMhasChild()) { holder.icon.setImageBitmap(mIconCollapse); holder.icon.setVisibility(View.INVISIBLE); } //对button进行设置和监听 treeButtonListener = new TreeButtonListener(mInflater,position,mTreeBoyList); holder.button.setOnClickListener(treeButtonListener); return convertView; } public class ViewHolderButton { public ImageView icon; public TextView title; public Button button; } } class TreeButtonListener implements Button.OnClickListener { private LayoutInflater mInflater; private int position; private List<ButtonTreePoint> mTreeBoyList; public TreeButtonListener(LayoutInflater mInflater, int position, List<ButtonTreePoint> mTreeBoyList) { super(); this.mInflater = mInflater; this.position = position; this.mTreeBoyList = mTreeBoyList; } public void onClick(View v) { Toast.makeText( mInflater.getContext(), "监听成功",Toast.LENGTH_SHORT).show(); } }