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iphone - 获取 -[__NSArrayI addObjectsFromArray :]: unrecognized selector sent to instance 0xa0c5f70 error

coder 2024-01-14 原文

我在数组中添加对象时出错 -[__NSArrayI addObjectsFromArray:]: 无法识别的选择器发送到实例 0xa0c5f70

id max;
   NSMutableArray * MovePointsArray=[[NSMutableArray alloc]init];
    max=[pointsArray objectAtIndex:0];
    for(int i=0;i<[pointsArray count];i++){

        if ([pointsArray objectAtIndex:i] > max) {
            max=[pointsArray objectAtIndex:i];
            [MovePointsArray addObject:max];
        }

    }

   NSMutableArray * pointArray =[NSArray arrayWithObjects: [pointsArray objectAtIndex:0],[pointsArray lastObject], nil];
    [pointArray addObjectsFromArray:MovePointsArray];

不知道我做错了什么。

最佳答案

最后一行

NSMutableArray * pointArray =[NSArray arrayWithObjects: [pointsArray objectAtIndex:0],[pointsArray lastObject], nil];

NSArray 替换为 NSMutableArray

谢谢,

关于iphone - 获取 -[__NSArrayI addObjectsFromArray :]: unrecognized selector sent to instance 0xa0c5f70 error,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/16163081/

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