The current deployment target does not support automated __weak references
2013-09-18 09:52
453 查看
4.2以前版本的XCode都不支持ARC。
对操作系统也有要求:Mac OS X v10.6 或 v10.7 (64-bit applications), iOS4或iOS5。注意:其中Mac OS X v10.6和iOS4不支持weak references(弱引用,后面会说明什么是weak references)。
Xcode 4.2提供了一个名为“Convert to Objective-C Automatic Reference Counting”的工具,在Edit->Convert menu下,可以帮你自动将使用Manual Reference Counting的老代码转换成使用ARC的新代码(例如去掉对retain和release的调用)。
或者将系统的版本调高。project->info->ios Deployment Target
对操作系统也有要求:Mac OS X v10.6 或 v10.7 (64-bit applications), iOS4或iOS5。注意:其中Mac OS X v10.6和iOS4不支持weak references(弱引用,后面会说明什么是weak references)。
Xcode 4.2提供了一个名为“Convert to Objective-C Automatic Reference Counting”的工具,在Edit->Convert menu下,可以帮你自动将使用Manual Reference Counting的老代码转换成使用ARC的新代码(例如去掉对retain和release的调用)。
或者将系统的版本调高。project->info->ios Deployment Target
相关文章推荐
- The current deployment target does not support automated __weak references
- The current .NET SDK does not support targeting .NET Core 2.1. Either target .NET Core 2.0 or lower, or use a version of the .NET SDK that supports .NET Core 2.1.
- SOS does not support the current target architecture解决方法
- SOS does not support the current target architecture解决方法
- IllegalArgumentException: AppCompat does not support the current theme features
- AppCompat does not support the current theme features
- quartus II编译报错:Error: Current license file does not support the XXX device
- ToolBar报错:AppCompat does not support the current theme features
- style 实现全屏和AppCompat does not support the current theme features错误的解决
- AppCompat does not support the current theme features的解决方法
- IllegalArgumentException: AppCompat does not support the current theme feature
- AppCompat does not support the current theme features
- AppCompat does not support the current theme features
- Your ID is under ID protection. Your current version does not support this function. Please download the latest Simplified Chine
- 使用 Toolbar时候出现 AppCompat does not support the current
- [置顶] 【Android】java.lang.IllegalArgumentException: AppCompat does not support the current theme features
- AppCompat does not support the current theme features
- 关于quartusII 错误 Error: Current license file does not support the EP*** device 错误原因总结
- toolbar使用时显示AppCompat does not support the current theme features: { windowActionBar: false, windowA
- 错误: Could not edit the data in the folder or database selected. The current version does not support editing (base, consistent, or closed)