***由于未捕获的异常'NSRangeException'而终止应用程序，原因：'***-[NSMutableArray objectAtIndex：]：索引1超出范围[0 .. 0]'

Question

what is meaning

* Terminating app due to uncaught exception 'NSRangeException', reason: '* -[NSMutableArray objectAtIndex:]: index 1 beyond bounds [0 .. 0]'

so that i can solve my problem thanks

Answer 1

这意味着您试图访问仅包含一项（索引0）的数组中的第二项（索引1）。

Answer 2

Zero based addressing.

If you only have one item in an NSArray, the first item in an array is at index 0, not index 1.