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安卓 树形视图实例源码下载

Android平台开发

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  • 开发语言:Java
  • 实例大小:1.47M
  • 下载次数:15
  • 浏览次数:195
  • 发布时间:2015-02-08
  • 实例类别:Android平台开发
  • 发 布 人:hailian888
  • 文件格式:.rar
  • 所需积分:2
 相关标签: 安卓

实例介绍

【实例简介】

【实例截图】

【核心代码】

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package cn.android.widget;
 
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.custom.widget.R;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ExpandableListView;
import android.widget.ExpandableListView.OnChildClickListener;
import android.widget.ExpandableListView.OnGroupExpandListener;
import android.widget.Toast;
 
@SuppressWarnings({"unused", "rawtypes"})
public class MainActivity extends Activity {
    ExpandableListView expandableList;
    TreeViewAdapter adapter;
     
    public List<HashMap<String, Object>> categories;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        setCategoris();
        adapter = new TreeViewAdapter(this);
        expandableList = (ExpandableListView) findViewById(R.id.category_items);
        expandableList.setGroupIndicator(null);
        displayCategories();
    }
     
    public void displayCategories() {
        adapter.RemoveAll();
        adapter.notifyDataSetChanged();
 
        List<TreeViewAdapter.TreeNode> treeNode = adapter.GetTreeNode();
        for (int i = 0; i < categories.size(); i  ) {
            TreeViewAdapter.TreeNode node = new TreeViewAdapter.TreeNode();
            node.parent = categories.get(i);
            List child = ((ArrayList) categories.get(i).get("children"));
            for (int ii = 0; ii < child.size(); ii  ) {
                node.childs.add(child.get(ii));
            }
            treeNode.add(node);
        }
 
        adapter.UpdateTreeNode(treeNode);
        expandableList.setAdapter(adapter);
         
        expandableList.setOnGroupExpandListener(new OnGroupExpandListener() { 
            @Override 
            public void onGroupExpand(int groupPosition) { 
                if(groupPosition != 0){
                    expandableList.setSelectedGroup(groupPosition);
                }
            
        });
         
        expandableList.setOnChildClickListener(new OnChildClickListener() {
            @Override
            public boolean onChildClick(ExpandableListView arg0, View arg1,
                    int parent, int children, long arg4) {
 
                String str = "parent id:"   String.valueOf(parent)
                          ",children id:"   String.valueOf(children);
                HashMap map = (HashMap) ((ArrayList) categories.get(parent).get("children")).get(children);
                int catId = (Integer) map.get("cat_id");
                String categoryName = (String) map.get("category_name");
                Toast.makeText(MainActivity.this, "cat_id:"   catId   ", category_name:"   categoryName, Toast.LENGTH_SHORT).show();
                return false;
            }
        });
    }
     
    public void setCategoris() {
        categories = new ArrayList<HashMap<String,Object>>();
         
        HashMap<String, Object> mapFather1 = new HashMap<String, Object>();
        mapFather1.put("cat_id", 1);
        mapFather1.put("drawable", R.drawable.category_new_in_icon);
        mapFather1.put("category_name", "New In");
        mapFather1.put("description", "Dress/Coats/Lace");
         
        ArrayList<HashMap<String, Object>> son1 = new ArrayList<HashMap<String,Object>>();
        HashMap<String, Object> mapSon11 = new HashMap<String, Object>();
        mapSon11.put("cat_id", 6);
        mapSon11.put("drawable", R.drawable.category_dresses1_icon);
        mapSon11.put("category_name", "Dress");
         
        HashMap<String, Object> mapSon12 = new HashMap<String, Object>();
        mapSon12.put("cat_id", 8);
        mapSon12.put("drawable", R.drawable.category_women_coats_icon);
        mapSon12.put("category_name", "Coats");
         
        HashMap<String, Object> mapSon13 = new HashMap<String, Object>();
        mapSon13.put("cat_id", 12);
        mapSon13.put("drawable", R.drawable.category_lace1_icon);
        mapSon13.put("category_name", "Lace");
         
        HashMap<String, Object> mapSon14 = new HashMap<String, Object>();
        mapSon14.put("cat_id", 12);
        mapSon14.put("drawable", R.drawable.category_chiffon1_icon);
        mapSon14.put("category_name", "Chiffon");
        son1.add(mapSon11);
        son1.add(mapSon12);
        son1.add(mapSon13);
        son1.add(mapSon14);
        mapFather1.put("children", son1);
         
         
         
        HashMap<String, Object> mapFather2 = new HashMap<String, Object>();
        mapFather2.put("cat_id", 2);
        mapFather2.put("drawable", R.drawable.category_collection_icon);
        mapFather2.put("category_name", "Shop Collection");
        mapFather2.put("description", "Wintage/Going out/Workwear");
         
        ArrayList<HashMap<String, Object>> son2 = new ArrayList<HashMap<String,Object>>();
        HashMap<String, Object> mapSon21 = new HashMap<String, Object>();
        mapSon21.put("cat_id", 21);
        mapSon21.put("drawable", R.drawable.category_vintage1_icon);
        mapSon21.put("category_name", "Vintage");
         
        HashMap<String, Object> mapSon22 = new HashMap<String, Object>();
        mapSon22.put("cat_id", 22);
        mapSon22.put("drawable", R.drawable.category_going_out1_icon);
        mapSon22.put("category_name", "Going out");
         
        HashMap<String, Object> mapSon23 = new HashMap<String, Object>();
        mapSon23.put("cat_id", 23);
        mapSon23.put("drawable", R.drawable.category_workwear1_icon);
        mapSon23.put("category_name", "Workwear");
         
        HashMap<String, Object> mapSon24 = new HashMap<String, Object>();
        mapSon24.put("cat_id", 24);
        mapSon24.put("drawable", R.drawable.category_designer1_icon);
        mapSon24.put("category_name", "Designer");
         
        HashMap<String, Object> mapSon25 = new HashMap<String, Object>();
        mapSon25.put("cat_id", 24);
        mapSon25.put("drawable", R.drawable.category_sweety1_icon);
        mapSon25.put("category_name", "Sweety");
         
        HashMap<String, Object> mapSon26 = new HashMap<String, Object>();
        mapSon26.put("cat_id", 24);
        mapSon26.put("drawable", R.drawable.category_maxi_dress1_icon);
        mapSon26.put("category_name", "Maxi Dress");
         
        HashMap<String, Object> mapSon27 = new HashMap<String, Object>();
        mapSon27.put("cat_id", 24);
        mapSon27.put("drawable", R.drawable.category_night_club1_icon);
        mapSon27.put("category_name", "Night Club");
         
        HashMap<String, Object> mapSon28 = new HashMap<String, Object>();
        mapSon28.put("cat_id", 24);
        mapSon28.put("drawable", R.drawable.category_print_floral1_icon);
        mapSon28.put("category_name", "Print/Floral");
         
        HashMap<String, Object> mapSon29 = new HashMap<String, Object>();
        mapSon29.put("cat_id", 24);
        mapSon29.put("drawable", R.drawable.category_party1_icon);
        mapSon29.put("category_name", "Party");
        son2.add(mapSon21);
        son2.add(mapSon22);
        son2.add(mapSon23);
        son2.add(mapSon24);
        son2.add(mapSon25);
        son2.add(mapSon26);
        son2.add(mapSon27);
        son2.add(mapSon28);
        son2.add(mapSon29);
        mapFather2.put("children", son2);
         
        HashMap<String, Object> mapFather3 = new HashMap<String, Object>();
        mapFather3.put("cat_id", 3);
        mapFather3.put("drawable", R.drawable.category_women_icon);
        mapFather3.put("category_name", "Clothing");
        mapFather3.put("description", "Dress/Coats/Lace");
 
        ArrayList<HashMap<String, Object>> son3 = new ArrayList<HashMap<String,Object>>();
        HashMap<String, Object> mapson31 = new HashMap<String, Object>();
        mapson31.put("cat_id", 6);
        mapson31.put("drawable", R.drawable.category_dresses1_icon);
        mapson31.put("category_name", "Dress");
         
        HashMap<String, Object> mapson32 = new HashMap<String, Object>();
        mapson32.put("cat_id", 8);
        mapson32.put("drawable", R.drawable.category_women_coats_icon);
        mapson32.put("category_name", "Coats");
         
        HashMap<String, Object> mapson33 = new HashMap<String, Object>();
        mapson33.put("cat_id", 33);
        mapson33.put("drawable", R.drawable.category_blouses_icon);
        mapson33.put("category_name", "Blouses");
         
        HashMap<String, Object> mapson34 = new HashMap<String, Object>();
        mapson34.put("cat_id", 34);
        mapson34.put("drawable", R.drawable.category_women_tees_icon);
        mapson34.put("category_name", "Tees/Vests");
         
        HashMap<String, Object> mapson35 = new HashMap<String, Object>();
        mapson35.put("cat_id", 35);
        mapson35.put("drawable", R.drawable.category_women_sweaters_icon);
        mapson35.put("category_name", "Sweaters/Cardigans");
         
        HashMap<String, Object> mapson36 = new HashMap<String, Object>();
        mapson36.put("cat_id", 36);
        mapson36.put("drawable", R.drawable.category_women_pants_icon);
        mapson36.put("category_name", "Pants/Shorts");
         
        HashMap<String, Object> mapson37 = new HashMap<String, Object>();
        mapson37.put("cat_id", 37);
        mapson37.put("drawable", R.drawable.category_women_skirt_icon);
        mapson37.put("category_name", "Skirts");
         
        HashMap<String, Object> mapson38 = new HashMap<String, Object>();
        mapson38.put("cat_id", 38);
        mapson38.put("drawable", R.drawable.category_women_leggings_icon);
        mapson38.put("category_name", "Leggings");
         
        HashMap<String, Object> mapson39 = new HashMap<String, Object>();
        mapson39.put("cat_id", 39);
        mapson39.put("drawable", R.drawable.category_women_jumpsuits_icon);
        mapson39.put("category_name", "Jumpsuits");
         
        HashMap<String, Object> mapson40 = new HashMap<String, Object>();
        mapson40.put("cat_id", 40);
        mapson40.put("drawable", R.drawable.category_women_formal_dresses_icon);
        mapson40.put("category_name", "Formal Dress");
         
        HashMap<String, Object> mapson72 = new HashMap<String, Object>();
        mapson72.put("cat_id", 72);
        mapson72.put("drawable", R.drawable.category_women_shapewear);
        mapson72.put("category_name", "Shapewear/Corset");
         
        HashMap<String, Object> mapson73 = new HashMap<String, Object>();
        mapson73.put("cat_id", 73);
        mapson73.put("drawable", R.drawable.category_women_swimwear);
        mapson73.put("category_name", "Swimwear");
 
        son3.add(mapson31);
        son3.add(mapson32);
        son3.add(mapson33);
        son3.add(mapson34);
        son3.add(mapson35);
        son3.add(mapson36);
        son3.add(mapson37);
        son3.add(mapson38);
        son3.add(mapson39);
        son3.add(mapson40);
        son3.add(mapson72);
        son3.add(mapson73);
        mapFather3.put("children", son3);
         
        HashMap<String, Object> mapFather4 = new HashMap<String, Object>();
        mapFather4.put("cat_id", 4);
        mapFather4.put("drawable", R.drawable.category_shoes_icon);
        mapFather4.put("category_name", "Shoes");
        mapFather4.put("description", "Sandals/Heels/Flats");
         
        ArrayList<HashMap<String, Object>> son4 = new ArrayList<HashMap<String,Object>>();
        HashMap<String, Object> mapson41 = new HashMap<String, Object>();
        mapson41.put("cat_id", 60);
        mapson41.put("drawable", R.drawable.category_shoes_sandals_icon);
        mapson41.put("category_name", "Sandals");
         
        HashMap<String, Object> mapson42 = new HashMap<String, Object>();
        mapson42.put("cat_id", 42);
        mapson42.put("drawable", R.drawable.category_shoes_heels_icon);
        mapson42.put("category_name", "Heels");
         
        HashMap<String, Object> mapson43 = new HashMap<String, Object>();
        mapson43.put("cat_id", 43);
        mapson43.put("drawable", R.drawable.category_shoes_flats_icon);
        mapson43.put("category_name", "Flats");
         
        HashMap<String, Object> mapson44 = new HashMap<String, Object>();
        mapson44.put("cat_id", 44);
        mapson44.put("drawable", R.drawable.category_shoes_boots_icon);
        mapson44.put("category_name", "Boots");
         
        son4.add(mapson41);
        son4.add(mapson42);
        son4.add(mapson43);
        son4.add(mapson44);
        mapFather4.put("children", son4);
         
        HashMap<String, Object> mapFather5 = new HashMap<String, Object>();
        mapFather5.put("cat_id", 5);
        mapFather5.put("drawable", R.drawable.category_bags_icon);
        mapFather5.put("category_name", "Bags");
        mapFather5.put("description", "Dress/Coats/Lace");
 
        ArrayList<HashMap<String, Object>> son5 = new ArrayList<HashMap<String,Object>>();
        HashMap<String, Object> mapson51 = new HashMap<String, Object>();
        mapson51.put("cat_id", 51);
        mapson51.put("drawable", R.drawable.category_handbags_icon);
        mapson51.put("category_name", "Handbags");
         
        HashMap<String, Object> mapson52 = new HashMap<String, Object>();
        mapson52.put("cat_id", 52);
        mapson52.put("drawable", R.drawable.category_shoulder_bags_icon);
        mapson52.put("category_name", "Shoulder Bags");
         
        HashMap<String, Object> mapson53 = new HashMap<String, Object>();
        mapson53.put("cat_id", 53);
        mapson53.put("drawable", R.drawable.category_backpacks_icon);
        mapson53.put("category_name", "Backpacks");
         
        HashMap<String, Object> mapson54 = new HashMap<String, Object>();
        mapson54.put("cat_id", 54);
        mapson54.put("drawable", R.drawable.category_clutches_icon);
        mapson54.put("category_name", "Clutches/Wallets");
        son5.add(mapson51);
        son5.add(mapson52);
        son5.add(mapson53);
        son5.add(mapson54);
        mapFather5.put("children", son5);
         
        HashMap<String, Object> mapFather6 = new HashMap<String, Object>();
        mapFather6.put("cat_id", 6);
        mapFather6.put("drawable", R.drawable.category_accessorie_icon);
        mapFather6.put("category_name", "Accessories");
        mapFather6.put("description", "Holidays/Necklace/Earrings");
         
        ArrayList<HashMap<String, Object>> son6 = new ArrayList<HashMap<String,Object>>();
        HashMap<String, Object> mapson61 = new HashMap<String, Object>();
        mapson61.put("cat_id", 61);
        mapson61.put("drawable", R.drawable.category_holidays_icon);
        mapson61.put("category_name", "Holidays");
         
        HashMap<String, Object> mapson62 = new HashMap<String, Object>();
        mapson62.put("cat_id", 62);
        mapson62.put("drawable", R.drawable.category_accesories_necklace_icon);
        mapson62.put("category_name", "Necklace");
         
        HashMap<String, Object> mapson63 = new HashMap<String, Object>();
        mapson63.put("cat_id", 63);
        mapson63.put("drawable", R.drawable.category_accesories_earrings_icon);
        mapson63.put("category_name", "Earrings");
         
        HashMap<String, Object> mapson64 = new HashMap<String, Object>();
        mapson64.put("cat_id", 64);
        mapson64.put("drawable", R.drawable.category_accesories_brooch_icon);
        mapson64.put("category_name", "Brooch");
         
        HashMap<String, Object> mapson65 = new HashMap<String, Object>();
        mapson65.put("cat_id", 65);
        mapson65.put("drawable", R.drawable.category_accesories_bracelets_icon);
        mapson65.put("category_name", "Bracelet");
         
        HashMap<String, Object> mapson66 = new HashMap<String, Object>();
        mapson66.put("cat_id", 66);
        mapson66.put("drawable", R.drawable.category_hair_icon);
        mapson66.put("category_name", "Hair Accessories");
         
        HashMap<String, Object> mapson67 = new HashMap<String, Object>();
        mapson67.put("cat_id", 67);
        mapson67.put("drawable", R.drawable.category_silk_scarves_icon);
        mapson67.put("category_name", "Scarves");
         
        son6.add(mapson61);
        son6.add(mapson62);
        son6.add(mapson63);
        son6.add(mapson64);
        son6.add(mapson65);
        son6.add(mapson66);
        son6.add(mapson67);
        mapFather6.put("children", son6);
         
        HashMap<String, Object> mapFather7 = new HashMap<String, Object>();
        mapFather7.put("cat_id", 7);
        mapFather7.put("drawable", R.drawable.category_recommendation_icon);
        mapFather7.put("category_name", "Recommendation");
        mapFather7.put("description", "Hot/New");
        ArrayList<HashMap<String, Object>> son7 = new ArrayList<HashMap<String,Object>>();
        HashMap<String, Object> mapson71 = new HashMap<String, Object>();
        mapson71.put("cat_id", 71);
        mapson71.put("drawable", R.drawable.category_hot_icon);
        mapson71.put("category_name", "Hot");
         
        HashMap<String, Object> mapson720 = new HashMap<String, Object>();
        mapson720.put("cat_id", 72);
        mapson720.put("drawable", R.drawable.category_new_icon);
        mapson720.put("category_name", "New");
        son7.add(mapson71);
        son7.add(mapson720);
        mapFather7.put("children", son7);
         
        categories.add(mapFather1);
        categories.add(mapFather2);
        categories.add(mapFather3);
        categories.add(mapFather4);
        categories.add(mapFather5);
        categories.add(mapFather6);
        categories.add(mapFather7);
         
    }
}

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