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//读取联系人private ListView lvList;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);lvList = (ListView) findViewById(R.id.lv_list);ArrayList
   
    
     > readContact = readContact();// System.out.println(readContact);lvList.setAdapter(new SimpleAdapter(this, readContact,R.layout.contact_list_item, new String[] { "name", "phone" },new int[] { R.id.tv_name, R.id.tv_phone }));}private ArrayList
     
      
       > readContact() {// 首先，从raw_contacts中读取联系人的id("contact_id")// 其次，根据contact_id从data表中查询出相应的电话号码和联系人名称// 然后，根据mimetype来区分哪个是联系人，哪个是电话号码Uri rawContactUri = Uri.parse("content://com.android.contacts/raw_contacts");Uri dataUri = Uri.parse("content://com.android.contacts/data");ArrayList
       
        
         > list = new ArrayList
         
          
           >();// 从raw_contacts中读取联系人的id("contact_id")Cursor rawContactsCursor = getContentResolver().query(rawContactUri,new String[] { "contact_id" }, null, null, null);if (rawContactsCursor != null) {while (rawContactsCursor.moveToNext()) {String contactId = rawContactsCursor.getString(0);// 根据contact_id从data表中查询出相应的电话号码和联系人名称，实际上查询的是视图view_dataCursor dataCursor = getContentResolver().query(dataUri,new String[] { "data1", "mimetype" }, "contact_id=?",new String[] { contactId }, null);if (dataCursor != null) {HashMap
           
             map = new HashMap
            
             ();while (dataCursor.moveToNext()) {String data1 = dataCursor.getString(0);String mimetype = dataCursor.getString(1);System.out.println(contactId + ";" + data1 + ";"+ mimetype);if ("vnd.android.cursor.item/phone_v2".equals(mimetype)) {map.put("phone", data1);} else if ("vnd.android.cursor.item/name".equals(mimetype)) {map.put("name", data1);}}list.add(map);dataCursor.close();}}rawContactsCursor.close();}return list;}
             
            
           
          
         
        
       
      
     
    
   

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