public class ContactProviderTest extends Activity {
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  Button search=(Button)findViewById(R.id.searchBtn);
 
 /*查询联系人*/
  search.setOnClickListener(new OnClickListener(){
   @Override
   public void onClick(View v) {
   //1.定义两个List来封装系统的联系人信息，指定联系人的电话号码、Email等详情
    final ArrayList<String> names=new ArrayList<String>();
    final ArrayList<ArrayList<String>> details=new ArrayList<ArrayList<String>>();
   //2.使用ContentResolver查找联系人数据(Query the given URI, returning a Cursor over the result set)
    Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
   //3.遍历查询结果，获取系统中所有联系人
    while(cursor.moveToNext())
    {
     //a.获取联系人ID
     String contactId=cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));
     //b.获取联系人的名字
     String name = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
     names.add(name);	 //将名字依次添加到List列表中
     
     /*-----------------------------------------------------------------------------------------------------*/
     
     //c.使用ContentResolver查找联系人的电话号码
     Cursor phones = getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
                 null, ContactsContract.CommonDataKinds.Phone.CONTACT_ID + "=" + contactId, null, null);
     //d.遍历查询结果，获取该联系人的多个电话号码
     ArrayList<String> detail = new ArrayList<String>();
     while(phones.moveToNext())
     {
      String phoneNumber = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
      detail.add("电话号码"+phoneNumber);
     }
     phones.close();
     
     /*-----------------------------------------------------------------------------------------------------*/
     
     //e.使用ContentResolver查找联系人的E-Mail地址
     Cursor emails = getContentResolver().query(ContactsContract.CommonDataKinds.Email.CONTENT_URI, null,
       ContactsContract.CommonDataKinds.Email.CONTACT_ID+"="+contactId, null, null);
     //f.遍历查询结果，获取该联系人的多个E-Mail地址
     while(emails.moveToNext())
     {
      String emailAddress = emails.getString(emails.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA));
      detail.add("邮件地址:"+emailAddress);
     }
     emails.close();
     details.add(detail);
    }
    cursor.close();
   
    /*-----------------------------------------------------------------------------------------------------*/
   
   //4.加载result.xml
    View resultDialog = getLayoutInflater().inflate(R.layout.result, null);
   //5.获取resultDialog中ID为list的ExpandableListView
    ExpandableListView list = (ExpandableListView) resultDialog.findViewById(R.id.list);
   //6.创建一个ExpandableListAdapter对象
    ExpandableListAdapter adapter = new BaseExpandableListAdapter()
    {
     //a.获取指定组位置、指定子列表项处的子列表项数据
     
     @Override
     public Object getChild(int groupPosition, int childPosition) {
     
      return details.get(groupPosition).get(childPosition);
     }
     @Override
     public long getChildId(int groupPosition, int childPosition) {
     
      return childPosition;
     }
     @Override
     public int getChildrenCount(int groupPosition) {
     
      return details.get(groupPosition).size();
     }
     private TextView getTextView()
     {
      AbsListView.LayoutParams lp = new AbsListView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 64);
      TextView textView = new TextView(ContactProviderTest.this);
      textView.setLayoutParams(lp);
      textView.setGravity(Gravity.CENTER_VERTICAL|Gravity.LEFT);
      textView.setPadding(36, 0, 0, 0);
      textView.setTextSize(20);
      return textView;
     
     }
         
     //b.该方法决定每个子选项的外观
     @Override
     public View getChildView(int groupPosition,
       int childPosition, boolean isLastChild,
       View convertView, ViewGroup parent)
     {
      TextView textView = getTextView();
      textView.setText(getChild(groupPosition,childPosition).toString());
      return textView;
     }
     //c.获取指定组位置处的组数据
     @Override
     public Object getGroup(int groupPosition) {
      return names.get(groupPosition);
     }
     @Override
     public int getGroupCount() {
      return names.size();
     }
     @Override
     public long getGroupId(int groupPosition) {
      return groupPosition;
     }
   
     //d.该方法决定每个组选项的外观
     @Override
     public View getGroupView(int groupPosition,
       boolean isExpanded, View convertView,
       ViewGroup parent) {
      TextView textView = getTextView();
      textView.setText(getGroup(groupPosition).toString());
      return textView;
     }
     @Override
     public boolean isChildSelectable(int groupPosition,
       int childPosition) {
      return true;
     }
     @Override
     public boolean hasStableIds() {
      return true;
     }
    };
    //7.为ExpandableListView设置Adapter对象
    list.setAdapter(adapter);
    //8.使用对话框来显示查询结果
    new AlertDialog.Builder(ContactProviderTest.this)
       .setView(resultDialog)
       .setPositiveButton("确定",null)
       .show();
   }
   
  });
 
 /*添加联系人*/
  Button add=(Button)findViewById(R.id.addBtn);
  add.setOnClickListener(new OnClickListener(){
   @Override
   public void onClick(View v) {
    //a.获取程序界面中的三个文本框
    String name = ((EditText)findViewById(R.id.name)).getText().toString();
    String phone = ((EditText)findViewById(R.id.phone)).getText().toString();
    String email = ((EditText)findViewById(R.id.email)).getText().toString();
    //b.创建一个空的ContentValues
    ContentValues values = new ContentValues();
    //c.向RawContacts.CONTENT_URI执行一个空值插入吗，目的是获取系统返回的rawContactId
    Uri rawContactUri = getContentResolver().insert(RawContacts.CONTENT_URI, values);
    long rawContactId=ContentUris.parseId(rawContactUri);
    values.clear();
   
    /*-----------------------------------------------------*/
   
    values.put(Data.RAW_CONTACT_ID, rawContactId);
    //d.设置内容类型
    values.put(Data.MIMETYPE, StructuredName.CONTENT_ITEM_TYPE);
    //e.设置联系人名字
    values.put(StructuredName.GIVEN_NAME, name);
    //f.向联系人URI添加联系人名字
    getContentResolver().insert(android.provider.ContactsContract.Data.CONTENT_URI, values);
    values.clear();
   
    /*-----------------------------------------------------*/
   
    values.put(Data.RAW_CONTACT_ID, rawContactId);
    values.put(Data.MIMETYPE, Phone.CONTENT_ITEM_TYPE);
    //g.设置联系人的电话号码
    values.put(Phone.NUMBER, phone);
    //h.设置电话类型
    values.put(Phone.TYPE, Phone.TYPE_MOBILE);
    //i.向联系人电话号码URI添加电话号码
    getContentResolver().insert(android.provider.ContactsContract.Data.CONTENT_URI, values);
    values.clear();
   
    /*-----------------------------------------------------*/
   
    values.put(Data.RAW_CONTACT_ID, rawContactId);
    values.put(Data.MIMETYPE, Email.CONTENT_ITEM_TYPE);
    //j.设置联系人的E-mail地址
    values.put(Email.DATA, email);
    //k.设置该电子邮件的类型
    values.put(Email.TYPE, Email.TYPE_WORK);
    //l.向联系人E-mail URI添加E-mail数据
    getContentResolver().insert(android.provider.ContactsContract.Data.CONTENT_URI, values);
   
    Toast.makeText(ContactProviderTest.this,"联系人数据添加成功", Toast.LENGTH_SHORT).show();
   }
   
  });
 }
 
}