Content Provider：查找手机联系人

String[] colums = { Phone._ID, Phone.DISPLAY_NAME }; Uri contactUri = Phone.CONTENT_URI;

public String getQueryData() { String result = ""; ContentResolver resolver = getContentResolver(); Cursor cursor = resolver.query(contactUri, colums, null, null, null); int idIndex = cursor.getColumnIndex(Phone._ID); int nameIndex = cursor.getColumnIndex(Phone.DISPLAY_NAME); for(cursor.moveToFirst(); cursor.isAfterLast() != true; cursor.moveToNext()) { result += cursor.getString(idIndex) + "\t"; result += cursor.getString(nameIndex) + "\t\n"; } cursor.close(); return result; }