simpleCursorAdapter

/* SimpleCursorAdapter的使用方法 结合cursor一起使用*/
   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       super.setContentView(R.layout.activity_main);
       // 该listView是一个groupView 是用来容纳其他的view的
       ListView contactListView = (ListView)findViewById(R.id.contactList);
       Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
       startManagingCursor(cursor);
       String[] colums=new String[]{ContactsContract.Contacts._ID,ContactsContract.Contacts.DISPLAY_NAME,ContactsContract.Contacts.HAS_PHONE_NUMBER};
       int[] entries=new int[]{R.id._id,R.id.name,R.id.number};
       // 将没一行数据填充到对应的view之中
       SimpleCursorAdapter adapter=new SimpleCursorAdapter(this, R.layout.concact, cursor, colums, entries);
       contactListView.setAdapter(adapter);

   }