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    Android 開發 listview QQ多級列表的實現
    


    
    
    
發布時間：2013-9-24 17:36    
發布者：reggae

    


    

    


    關鍵詞：
    android
    


    
 

    

    
[代碼] 主類
    

    

    1. package com.android.qu.antking.list;
      

    2.  
      

    3. import android.app.Activity;
      

    4. import android.content.Context;
      

    5. import android.os.Bundle;
      

    6. import android.view.LayoutInflater;
      

    7. import android.view.View;
      

    8. import android.view.ViewGroup;
      

    9. import android.widget.BaseExpandableListAdapter;
      

    10. import android.widget.ExpandableListView;
      

    11. import android.widget.ImageView;
      

    12. import android.widget.TextView;
      

    13.  
      

    14. import java.util.*;
      

    15.  
      

    16.  
      

    17.  
      

    18. public class MyMain extends Activity {
      

    19.   //author antkingwei
      

    20. private List> parentList=new ArrayList>();
      

    21.  
      

    22. private List>> childList = new ArrayList>>();
      

    23.  
      

    24. ExpendAdapter adapter;
      

    25.  
      

    26. ExpandableListView exList;
      

    27.  
      

    28. private String[] listName = new String[]{
      

    29. "我的好友","高中同學","大學同學","移動開發","網站建設","普通朋友"
      

    30. };
      

    31. private String[] childTitle= new String[]{
      

    32. "丫寧","王八銳","小鳥","連超","董二丫"
      

    33. };
      

    34. private String[] childMood= new String[]{
      

    35. "我喜歡王銳","我就是王八","我也喜歡王銳","上邊一群傻帽","同樓上"
      

    36. };
      

    37. private int[] headImage=new int[]{
      

    38. R.drawable.ning,R.drawable.rui,R.drawable.niao,R.drawable.lianchao,R.drawable.xiaoxiao
      

    39. };
      

    40.  
      

    41.     public void onCreate(Bundle savedInstanceState) {
      

    42.         super.onCreate(savedInstanceState);
      

    43.         setContentView(R.layout.main);
      

    44.  
      

    45.         exList = (ExpandableListView) this.findViewById(R.id.expandableListView1);
      

    46.         parentList =getParentList();
      

    47.         childList = getChildList();
      

    48.        adapter = new ExpendAdapter(MyMain.this, parentList, childList);
      

    49.       
      

    50.         exList.setAdapter(adapter);
      

    51.         exList.setGroupIndicator(null);
      

    52.         exList.setDivider(null);
      

    53.         
      

    54.     }
      

    55.     public List> getParentList(){
      

    56.     List> list = new ArrayList>();
      

    57.     for(int i=0;i

    58.     Map curGroupMap = new HashMap();
      

    59.              list.add(curGroupMap);
      

    60.              curGroupMap.put("List", listName[i]);
      

    61.     }
      

    62.     return list;
      

    63.     }
      

    64.     public List>> getChildList(){
      

    65.     List>> list1 = new ArrayList>>();
      

    66.     for (int i = 0; i < listName.length; i++) {
      

    67.              
      

    68.                
      

    69.              List> children = new ArrayList>();
      

    70.              for (int j = 0; j 

    71.                  Map curChildMap = new HashMap();
      

    72.                  children.add(curChildMap);
      

    73.                  curChildMap.put("Title", childTitle[j]);
      

    74.                  curChildMap.put("Mood", childMood[j]);
      

    75.                  curChildMap.put("Head", headImage[j]);
      

    76.              }
      

    77.              list1.add(children);
      

    78.     }
      

    79.     return list1;
      

    80.    
      

    81.     }
      

    82.    
      

    83. }
    復制代碼

    
[代碼] 自定義的Adapter
    

    

    1. package com.android.qu.antking.list;
      

    2.  
      

    3. import android.content.Context;
      

    4. import android.view.LayoutInflater;
      

    5. import android.view.View;
      

    6. import android.view.ViewGroup;
      

    7. import android.widget.BaseExpandableListAdapter;
      

    8. import android.widget.ImageView;
      

    9. import android.widget.TextView;
      

    10. import android.widget.Toast;
      

    11.  
      

    12. import java.util.*;
      

    13.  
      

    14. public class ExpendAdapter extends BaseExpandableListAdapter {
      

    15.       private LayoutInflater layoutInflater;
      

    16.       
      

    17.       private Context mContext;
      

    18.       
      

    19.       private List> parentList = new ArrayList>();
      

    20.       
      

    21.       private List>> childList = new ArrayList>>();
      

    22.       
      

    23.       
      

    24. public ExpendAdapter(Context mContext,List> parentList,List>> childList){
      

    25.  
      

    26.  
      

    27. this.mContext = mContext;
      

    28.  
      

    29. this.parentList = parentList;
      

    30.  
      

    31. this.childList = childList;
      

    32.  
      

    33. layoutInflater = LayoutInflater.from(mContext);
      

    34. }
      

    35. public Object getChild(int groupPosition, int childPosition) {
      

    36. // TODO Auto-generated method stub
      

    37. return childList.get(groupPosition).get(childPosition).get("Title").toString();
      

    38. }
      

    39.  
      

    40. @Override
      

    41. public long getChildId(int groupPosition, int childPosition) {
      

    42. return childPosition;
      

    43. }
      

    44.  
      

    45. @Override
      

    46. public View getChildView(int groupPosition, int childPosition,
      

    47. boolean isLastChild, View convertView, ViewGroup parent) {
      

    48.  
      

    49. if(convertView ==null){
      

    50. convertView = layoutInflater.inflate(R.layout.childlist, null);
      

    51.  
      

    52. }
      

    53. final ImageView head=(ImageView)convertView.findViewById(R.id.headImage);
      

    54.   head.setImageResource(Integer.valueOf(childList.get(groupPosition).get(childPosition).get("Head").toString()));
      

    55. final TextView title=(TextView)convertView.findViewById(R.id.title);
      

    56.  title.setText(childList.get(groupPosition).get(childPosition).get("Title").toString());
      

    57.  
      

    58.    final TextView mood =(TextView)convertView.findViewById(R.id.mood);
      

    59.      mood.setText(childList.get(groupPosition).get(childPosition).get("Mood").toString());
      

    60. return convertView;
      

    61. }
      

    62.  
      

    63. @Override
      

    64. public int getChildrenCount(int groupPosition) {
      

    65. // TODO Auto-generated method stub
      

    66. return childList.get(groupPosition).size();
      

    67. }
      

    68.  
      

    69. @Override
      

    70. public Object getGroup(int groupPosition) {
      

    71. // TODO Auto-generated method stub
      

    72. return parentList.get(groupPosition).get("List").toString();
      

    73. }
      

    74.  
      

    75. @Override
      

    76. public int getGroupCount() {
      

    77. // TODO Auto-generated method stub
      

    78. return parentList.size();
      

    79. }
      

    80.  
      

    81. @Override
      

    82. public long getGroupId(int groupPosition) {
      

    83. // TODO Auto-generated method stub
      

    84. return groupPosition;
      

    85. }
      

    86.  
      

    87. @Override
      

    88. public View getGroupView(int groupPosition, boolean isExpanded,
      

    89. View convertView, ViewGroup parent) {
      

    90.  
      

    91. if(convertView==null){
      

    92. convertView=layoutInflater.inflate(R.layout.parentlist, null);
      

    93.  
      

    94. }
      

    95. final TextView list = (TextView) convertView.findViewById(R.id.list);
      

    96.  list.setText(parentList.get(groupPosition).get("List").toString());
      

    97. return convertView;
      

    98. }
      

    99.  
      

    100. @Override
      

    101. public boolean hasStableIds() {
      

    102. // TODO Auto-generated method stub
      

    103. Toast.makeText(mContext,"nihao",Toast.LENGTH_SHORT).show();
      

    104. return true;
      

    105. }
      

    106.  
      

    107. @Override
      

    108. public boolean isChildSelectable(int groupPosition, int childPosition) {
      

    109. Toast.makeText(mContext, "這是第"+groupPosition+"組，第"+childPosition+"個", Toast.LENGTH_SHORT).show();
      

    110. return true;
      

    111. }
      

    112.  
      

    113. }
    復制代碼

    
[代碼] 主布局文件
    

    


    1. 

    2. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
      

    3.     android:orientation="vertical"
      

    4.     android:layout_width="fill_parent"
      

    5.     android:layout_height="fill_parent"
      

    6.     android:background="@drawable/back1"
      

    7.     >
      

    8.  
      


    9. 

    復制代碼

    
[代碼] parentList布局
    

    


    1. 

    2. 

    3.   xmlns:android="http://schemas.android.com/apk/res/android"
      

    4.   android:layout_width="fill_parent"
      

    5.   android:orientation="horizontal"
      

    6.   android:id="@+id/parentList"
      

    7.   android:layout_height="wrap_content">
      

    8.   

    9.     android:layout_width="60px"
      

    10.     android:layout_height="60px"
      

    11.     android:src="@drawable/user_group"
      

    12.    />
      

    13.    

    14.     android:id="@+id/list"
      

    15.     android:textSize="20px"
      

    16.     android:layout_width="wrap_content"
      

    17.     android:layout_height="wrap_content"/>
      

    18.   
      

    復制代碼

    
[代碼] childList布局
    

    


    1. 

    2. 

    3.   xmlns:android="http://schemas.android.com/apk/res/android"
      

    4.   android:layout_width="fill_parent"
      

    5.   android:layout_height="wrap_content"
      

    6.   android:id="@+id/childList"
      

    7.   android:orientation="horizontal"
      

    8.   >
      

    9.   

    10.     android:paddingLeft="20px"
      

    11.     android:id="@+id/headImage"
      

    12.     android:src="@drawable/icon"
      

    13.     android:layout_width="50px"
      

    14.     android:layout_height="50px"
      

    15.     android:layout_marginBottom="5px"
      

    16.     android:layout_marginRight="10px"/>
      

    17.   

    18.    android:orientation="vertical"
      

    19.    android:layout_width="fill_parent"
      

    20.    
      

    21.    android:layout_height="wrap_content">
      

    22.    

    23.    android:textSize="18px"
      

    24.    android:layout_width="wrap_content"
      

    25.    android:layout_height="wrap_content"
      

    26.    />
      

    27.    

    28.    android:textSize="16px"
      

    29.    android:layout_width="wrap_content"
      

    30.    android:layout_height="wrap_content"/>
      

    31.    
      

    32.    
      

    33.    
    復制代碼

    
希望本文對廣大安卓開發者有所幫助，感謝閱讀本文。更多安卓技術問題歡迎加群探討：314230976，驗證碼:eec,不寫驗證不予通過喲~
    

    

    



    

    

    


    

    

    		



    



    
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