从SMs获取联系人信息

ContactItem getContactByAddr(Context context, final SMSItem sms) {  
    Uri personUri = Uri.withAppendedPath(  
            ContactsContract.PhoneLookup.CONTENT_FILTER_URI, sms.mAddress);  
    Cursor cur = context.getContentResolver().query(personUri,  
            new String[] { PhoneLookup.DISPLAY_NAME },  
            null, null, null );  
    if( cur.moveToFirst() ) {  
        int nameIdx = cur.getColumnIndex(PhoneLookup.DISPLAY_NAME);  
        ContactItem item = new ContactItem();  
        item.mName = cur.getString(nameIdx);  
       cur.close();  
       return item;  
   }  
   return null;}