链接器命令失败，架构 i386 的符号未定义
我正在尝试执行半页卷曲功能。这是我正在使用的代码：
#import <QuartzCore/QuartzCore.h>
CATransition *animation = [CATransition animation];
[animation setDelegate:self];
[animation setDuration:1.0f];
[animation setTimingFunction:UIViewAnimationCurveEaseInOut];
[animation setType:(notCurled ? @"mapCurl" : @"mapUnCurl")];
[animation setRemovedOnCompletion:NO];
[animation setFillMode: @"extended"];
[animation setRemovedOnCompletion: NO];
notCurled = !notCurled;
但是我遇到以下错误
Undefined symbols for architecture i386:
"_OBJC_CLASS_$_CATransition", referenced from:
objc-class-ref in MyMapViewController.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
"_OBJC_CLASS_$_CATransition", referenced from:
objc-class-ref in SJMapViewController.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
我该如何解决？
i am trying to do the half page curl feature. This is the code I am using:
#import <QuartzCore/QuartzCore.h>
CATransition *animation = [CATransition animation];
[animation setDelegate:self];
[animation setDuration:1.0f];
[animation setTimingFunction:UIViewAnimationCurveEaseInOut];
[animation setType:(notCurled ? @"mapCurl" : @"mapUnCurl")];
[animation setRemovedOnCompletion:NO];
[animation setFillMode: @"extended"];
[animation setRemovedOnCompletion: NO];
notCurled = !notCurled;
But I encounter the following errors
Undefined symbols for architecture i386:
"_OBJC_CLASS_$_CATransition", referenced from:
objc-class-ref in MyMapViewController.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
"_OBJC_CLASS_$_CATransition", referenced from:
objc-class-ref in SJMapViewController.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
How can I solve it?
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评论（1）
您的应用程序抱怨找不到 CATransition 符号。
您是否将 QuartzCore 框架添加到您的应用程序中？
如果没有添加：转到您的目标设置 ->构建阶段 ->链接二进制->选择 + 按钮并选择 QuartzCore。
然后将其导入到需要使用它的地方：
your app is complaining it can not find CATransition Symbol.
Did you add the QuartzCore framework to your app?
If not add it: go to your target settings -> build phases -> link binary -> select the + button and select QuartzCore.
then import it where you need to use it: