cursor.getColumnIndex(PhoneLookup.NUMBER);没取到值
int numberFileColumnIndex = cursor.getColumnIndex(PhoneLookup.NUMBER);String number = cursor.getString(numberFileColumnIndex);
java.lang.IllegalStateException: get field slot from row 0 col -1 failed
请问为什么会报这个错啊!
--------------------编程问答-------------------- numberFileColumnIndex 这个值是多少
补充:移动开发 , Android