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Child Item

Problems when migrating from API v1 to v2

Mr_K

When migrating my Objective C project for iOS from Dropbox API v1 to v2

I am changing my source code, replacing old

#import <DropboxSDK/DropboxSDK.h>

to new

#import <ObjectiveDropboxOfficial/ObjectiveDropboxOfficial.h>

But when compiling the project I get an error:

'ObjectiveDropboxOfficial/ObjectiveDropboxOfficial.h' file not found

Also in "Pods > Products" section in Xcode both "ObjectiveDropboxOfficial.framework" and "Pods_BASIC.framework" frameworks are marked in red color.

What settings are missing or what I am doing wrong?

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Accepted answers

Stephen C.14

Then I would recommend using Carthage, rather than CocoaPods, as it is less invasive. You can build the binaries with Carthage and then drage and drop them into each of your targets.

This approach will work better, I think.

All comments

Greg-DB

First, to confirm, it sounds like you're using the CocoaPods installation method, is that correct?

If so, can you share:

- your Podfile

- the version of CocoaPods you're using

- the version of Xcode you're using

Also, make sure you opened the .xcworkspace file and not the .xcodeproj file.

Mr_K

Yes, I am following your instructions to install Dropbox SDK using CocoaPods.

My Podfile:

# Uncomment the next line to define a global platform for your project
platform :ios, '8.0'

target 'BASIC' do
# Uncomment the next line if you're using Swift or would like to use dynamic frameworks
use_frameworks!

# Pods for BASIC
pod 'ObjectiveDropboxOfficial'

end

#target 'SB' do
# Uncomment the next line if you're using Swift or would like to use dynamic frameworks
# use_frameworks!

# Pods for SB

#end

Here pod init command created target 'SB' because my project has two targets: main 'BASIC' app target and 'SB' static library target (SB library uses Dropbox commands, BASIC app uses SB library). But I commented this target out because otherwise I get pod install error if 'SB' static library is present as a target.

CocoaPods version is 1.2.1

Xcode version is 8.3.3

Greg-DB

What output did you get from 'pod install' for this Podfile?

Note that the Objective-C SDK supports iOS 9+, but you seem to be targeting iOS 8:

https://github.com/dropbox/dropbox-sdk-obj-c#system-requirements

Mr_K

$ pod install

Analyzing dependencies

Downloading dependencies

Using ObjectiveDropboxOfficial (3.0.15)

Generating Pods project

Integrating client project

Sending stats

Pod installation complete! There is 1 dependency from the Podfile and 1 total pod installed.

The very first pod install gave some warnings about framework path and compiler flags settings, so I added $(inherited) where it was necessary according to suggestion. After that pod install warnings went away.

Thank you for your note, changed my app deployment target to iOS 9 and updated Podfile to platform iOS 9.0.

#import <ObjectiveDropboxOfficial/ObjectiveDropboxOfficial.h>

still gives 'file not found' error.

Greg-DB

Thanks! It does look like that succeeded, and if this is still occurring when you're trying with iOS 9, we'll have to investigate further to see what the issue may be.

To help with that, would it be possible for you to supply a sample project, or stripped down version of your project that is exhibiting this issue? It sounds like there's something about the configuration of your project that may be relevant here.

If you're prefer to share privately, you can open an API ticket with it here:

https://www.dropbox.com/developers/contact

Mr_K

Yes, thank you for your time.

Here is the stripped down project which has only one compilation error we are speaking about: https://yadi.sk/d/UB0trH753Jz7tr

Greg-DB

Thanks! We'll look into it.

Stephen C.14

Sorry for the delay here. Not sure why CocoaPods isn't working. Try adding `Pods_BASIC.framework` to `Link Binary With Libraries` under `Build Phases` for `SB` target (see attached image).

Let me know if this works for you.

Mr_K

Thank you for your suggestion.

No, this did not help. Everything is the same.

I think that there could be some problems with SDK path, because an error like ".h file not found" is a compilation error, not linking error.

Also SDK files are marked with red color (image attached). This also can show some kind of problem with SDK location.

Снимок экрана 2017-06-13 в 3.59.27.png

Mr_K

Also I found this:

in BASIC project target in Build Phases there are two Run Script Phases:

[CP] Embed Pods Frameworks

[CP] Copy Pods Resources

and in SB project target these Build Phases are absent.

Maybe this can be the reason of error?

As far as I understand these Build Phases are created when installing pod, taking into account Podfile settings.

But in Podfile I have only one target: 'BASIC', target 'SB' is commented out, because if I also add 'SB' as a target:

platform :ios, '9.0'

target 'BASIC' do
use_frameworks!

pod 'ObjectiveDropboxOfficial'
end

target 'SB' do
use_frameworks!

pod 'ObjectiveDropboxOfficial'
end

I get these errors when installing pod:

$ pod install

Analyzing dependencies

[!] Unable to find host target(s) for SB. Please add the host targets for the embedded targets to the Podfile.

Certain kinds of targets require a host target. A host target is a "parent" target which embeds a "child" target. These are example types of targets that need a host target:

- Framework

- App Extension

- Watch OS 1 Extension

- Messages Extension (except when used with a Messages Application)

So, maybe this is the reason of error? But how to install pod for 'SB' target?

Stephen C.14

If you uncomment `target 'SB' do` in your Podfile, and then you run `pod install`, even with the CocoaPods errors, the .xcworkspace file builds for me for target `SB`.

Can you confirm this?

Mr_K

This Podfile:

target 'BASIC' do
use_frameworks!
pod 'ObjectiveDropboxOfficial'
end

target 'SB' do
end

And this podfile:

target 'BASIC' do
use_frameworks!
pod 'ObjectiveDropboxOfficial'
end

target 'SB' do
use_frameworks!
pod 'ObjectiveDropboxOfficial'
end

Both give the same pod install output:

Analyzing dependencies
[!] Unable to find host target(s) for SB. Please add the host targets for the embedded targets to the Podfile.
Certain kinds of targets require a host target. A host target is a "parent" target which embeds a "child" target. These are example types of targets that need a host target:
- Framework
- App Extension
- Watch OS 1 Extension
- Messages Extension (except when used with a Messages Application)

And give these two Xcode compilation errors:

/Users/kibernetik/Мои программы/BASIC copy/SB/ViewController.h:7:9: 'ObjectiveDropboxOfficial/ObjectiveDropboxOfficial.h' file not found

Error: unable to read module map contents from 'Target Support Files/ObjectiveDropboxOfficial/ObjectiveDropboxOfficial.modulemap': Error Domain=NSCocoaErrorDomain Code=260 "The file “ObjectiveDropboxOfficial.modulemap” couldn’t be opened because there is no such file." UserInfo={NSFilePath=/Users/kibernetik/Мои программы/BASIC copy/Pods/Target Support Files/ObjectiveDropboxOfficial/ObjectiveDropboxOfficial.modulemap, NSUnderlyingError=0x7fd04bcfb3b0 {Error Domain=NSPOSIXErrorDomain Code=2 "No such file or directory"}}

Of course Xcode was reloaded each time.

Stephen C.14

In your Podfile, please delete `use_frameworks!` for target `'SB'` only. Then things should work.

(it doesn't really make sense to link a framework to a library).

Mr_K

I also have tried this variant. When my Podfile is:

platform :ios, '9.0'
target 'BASIC' do
use_frameworks!
pod 'ObjectiveDropboxOfficial'
end
target 'SB' do
pod 'ObjectiveDropboxOfficial'
end

I get the same pod install warning and the same two errors.

Actually I get 'file no found' error even prior to compiling: Xcode editor immediately marks this code line as erroneous just after the project is loaded.

Stephen C.14

I still get the pod warnings as well, but everything builds correctly for me.

Please ensure that you close Xcode before calling `pod install` and that you open the `.xcworkspace` file and not the `.xcodeproj` file.

Please also do a full a rebuild (cmd+option+shift+k) after `pod install`.

If you have done all of these things, then please repost your updated project here, as I am not seeing the same issues that you are.

Mr_K

All issues are the same.

This is the latest version of test project: https://yadi.sk/d/6W373tQ23K8Uyg

Thank you!

Stephen C.14

This project builds fine for me after running `pod install` and opening the `.xcworkspace` file.

Please ensure that you have Xcode Version 8.3.3+ installed.

Mr_K

Can you please share back the project that compiles?

Stephen C.14

Same project as the one you just uploaded (the second one).

Which version of Xcode are you using? Please download the latest one, otherwise things might not compile.

Mr_K

I am using Xcode 8.3.3 on macOS 10.12.5

Stephen C.14

Strange. So am I. When I run `pod install` on the project you uploaded, and open the `xcworkspace` file, and build, it builds successfully.

What's your output for `pod --version`?

Mine is:

```

scobbe-mbp:server scobbe$ pod --version
1.2.0.beta.1

```

Mr_K

My pod version is 1.2.1

It seems that

#import <ObjectiveDropboxOfficial/ObjectiveDropboxOfficial.h>

now raises no error, but when I compile that test project I get this error:

Error: unable to read module map contents from 'Target Support Files/ObjectiveDropboxOfficial/ObjectiveDropboxOfficial.modulemap': Error Domain=NSCocoaErrorDomain Code=260 "The file “ObjectiveDropboxOfficial.modulemap” couldn’t be opened because there is no such file." UserInfo={NSFilePath=/Users/kibernetik/Downloads/BASICcopy/Pods/Target Support Files/ObjectiveDropboxOfficial/ObjectiveDropboxOfficial.modulemap, NSUnderlyingError=0x7fa1f005d630 {Error Domain=NSPOSIXErrorDomain Code=2 "No such file or directory"}}

Stephen C.14

Can you try the steps here: https://stackoverflow.com/questions/30745675/cant-find-pods-modulemap-looking-in-wrong-directory

Mr_K

No, this procedure and all other suggestions in that topic did not make missing file

/Pods/Target Support Files/ObjectiveDropboxOfficial/ObjectiveDropboxOfficial.modulemap

to appear. Making "pod install" command also does not create it.

Again I have "file not found" error concerning

#import <ObjectiveDropboxOfficial/ObjectiveDropboxOfficial.h>

Stephen C.14

Then I would recommend using Carthage, rather than CocoaPods, as it is less invasive. You can build the binaries with Carthage and then drage and drop them into each of your targets.

This approach will work better, I think.

Mr_K

Thank you for your suggestion!

I will try.