Issue when adding charts pod

Question

I am new in swift and I am trying to add Charts pod using -

pod 'Charts', :git=> 'https://github.com/danielgindi/Charts.git'

And I am getting following issues after adding Charts pod

.../Pods/Charts/Source/Charts/Charts/BarLineChartViewBase.swift:75:76: Cannot use instance member '_viewPortHandler' within property initializer; property initializers run before 'self' is available
.../Pods/Charts/Source/Charts/Charts/BarLineChartViewBase.swift:79:77: Cannot use instance member '_viewPortHandler' within property initializer; property initializers run before 'self' is available
.../Pods/Charts/Source/Charts/Charts/BarLineChartViewBase.swift:86:72: Cannot use instance member '_viewPortHandler' within property initializer; property initializers run before 'self' is available
.../Pods/Charts/Source/Charts/Components/AxisBase.swift:137:24: 'count' is unavailable: there is no universally good answer, see the documentation comment for discussion

I am using swift 3 and Xcode 8.3

Sweeper · Accepted Answer · 2018-04-11 07:15:18Z

3

The current version of Charts seem to support Swift 4.1. You need a version that supports Swift 3.1, which is what Xcode 8 has.

According to the version history, Charts 3.0.2 supports Swift 3.1, so you should install that version:

pod 'Charts', '3.0.2'

Do a pod install after that.

Obviously, you can also choose to update to Xcode 9 and Swift 4.

edited Apr 11, 2018 at 7:15

answered Apr 10, 2018 at 9:36

Sweeper

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4 Comments

Martin Muldoon Over a year ago

3.0.3 will not work in this case. He is on XCode 8.3, not 9

Sweeper Over a year ago

@MartinMuldoon Oops! It's a typo... I wrote 3.0.2 a line above the code block. Fixed now.

Shunan Over a year ago

Thanks, @Sweeper for your answer. I understood the issue but pod 'Charts', '~> 3.0.2' not working. It's still using still using 3.0.5 when I try to update or install pod.

Shunan Over a year ago

@Sweeper I am accepting the answer as it solved the issue. Can you have a look at a new issue I am facing now -stackoverflow.com/questions/49767947/charts-pod-not-downgrading

Martin Muldoon · Accepted Answer · 2018-04-10 09:41:14Z

1

Given you are using Swift 3, Xcode 8.3, you'll have to install an older release of Charts. The various releases can be found on the menu bar under releases:

I believe this release should install properly: https://github.com/danielgindi/Charts/releases/tag/v3.0.2

edited Apr 10, 2018 at 9:41

answered Apr 10, 2018 at 9:24

Martin Muldoon

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3 Comments

Shunan Over a year ago

I had set the platfom to ios 9.0 and I was using pod 'Charts' before I found this github.com/danielgindi/Charts/issues/2332

Shunan Over a year ago

I am bit confused. Do I need Xcode 9.3 / Swift 4.1 as stated here cocoapods.org/pods/Charts

Martin Muldoon Over a year ago

I'll update my answer. It is your version of Xcode/Swift that is the issue.

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