'How to solve "error running pod install" in flutter on mac?

I have an error when I tried to launch my project on my iPhone, the basic Flutter example is working on my iPhone but when I use my project I have this error.

enter image description here

iosmacosflutterdartpod-installjavaandroidsqlite


Solution 1:[1]

You can fix it with

sudo arch -x86_64 gem install ffi

Solution 2:[2]

In Flutter project, I Also faced with this issue. Fixed by updating flutter and cocoa pods to the latest version.

Solution:-

flutter clean
rm -Rf ios/Pods
rm -Rf ios/.symlinks
rm -Rf ios/Flutter/Flutter.framework
rm -Rf ios/Flutter/Flutter.podspec
flutter pub get
cd ios
pod install 
arch -x86_64 pod install  //(On an M1 mac use => arch -x86_64 pod install)
cd ..
flutter build ios
flutter run

Solution 3:[3]

I got this error when I was using Firebase in flutter, the solution for me was to set the Podfile deployment target to a iOS version higher than 9.

Example: Changed this

#platform :ios, '9.0'

to

 platform :ios, '13.0'

Solution 4:[4]

I faced the same issue and none of the above work. Finally I resolved it by:

  1. Check ios/.symlinks/plugins contains extra plugin which you are not using.
  2. Delete podfile.lock in ios folder, if it exists.
  3. Delete podfile from ios folder.
  4. Delete pods folder in ios directory.
  5. Run flutter clean in the terminal.
  6. Run flutter pub get in the terminal.
  7. Run flutter runin the terminal.

Solution 5:[5]

2022 update

After struggling for hours the following helped me:

sudo gem uninstall cocoapods
brew install cocoapods

Make sure you have HomeBrew installed before you do the above. Steps to install HomeBrew: Install HomeBrew

Solution 6:[6]

So did you solve this problem?

I met the same situation. And this is the solution I found. Link

Basically:

  • Locate Terminal.app in Finder. (Applications->Terminal.app)
  • Right-click and choose Get Info
  • Check the “Open using Rosetta”
  • Quit all instances of Terminal app and run it again
  • Run sudo gem install ffi

After you finish the above several steps, restart your IDE and re-run the application. Please give a reply if this method works.

Solution 7:[7]

  1. Change directory to your project; e.g /dart/apps/abc
  2. Type, flutter clean && pod update

Solution 8:[8]

  1. Simply delete the Podfile from your project
  2. Run this command in terminal (I did in Android studio terminal it self)
sudo gem install cocoapods
  1. And then run this
pod init

It works for me..

Solution 9:[9]

For Mac M1, try the following commands. Worked for me fine

sudo arch -x86_64 gem install ffi
arch -x86_64 pod install

Solution 10:[10]

  1. Delete the podfile.lock (located in app root > ios folder)
  2. Run in Terminal pod install --repo-update
  3. flutter run

Solution 11:[11]

I'd the same problem, in my case when I ran pod install --verbose I realize that there was an specific error during pod install

undefined method `each_child' for #Dir:0x00007ff10befa7f0 Did you mean? each_slice

Looking for this specific error I found this answer and I realize that I was using ruby 2.5 and one file generated by Flutter for iOS devices was trying to use a method that was introduced on version 2.6.

After follow the steps on that answer I could run my Flutter app on iOS simulator.

The method dir.each_child was introduced in Ruby 2.6, but you are using Ruby 2.3.0.

You should update Ruby to 2.6.0 or later 2.x version.

After Ruby updating you may also need to restart your IDE and re-install cocoapods.

Solution 12:[12]

Check in ios/.symlinks/plugins for unused plugins. and if there are, remove from pubspec.yml. This solved my problem.

Solution 13:[13]

As per the install instructions make sure M1 users run. Solved the issue for me. I missed it on install!

$ sudo softwareupdate --install-rosetta --agree-to-license

Solution 14:[14]

run this code on the terminal

sudo arch -x86_64 gem install ffi

Next, go to the ios folder in your project, and open Podfile.

Then change #platform :ios, '9.0' to platform :ios, '10.0'

Solution 15:[15]

I'm using VS Code and flutter 2.10.1 running intel mac

I've faced this problem several times, usually when switching between projects or when working with multiple versions of project. But the solution is pretty simple.

  1. Inside your project parent directory go to, ios -> Podfile. Here the top line will be something like this,
# Uncomment this line to define a global platform for your project
# platform :ios, '9.0'

check whatever version you are using on simulator and replace '9.0' with that and uncomment.

# Uncomment this line to define a global platform for your project
platform :ios, '15.4'
  1. Now if we try to run the flutter project, the debugger will say that the cocoapods are outdated. So just update them using command
pod repo update

And that should solve the problem.

Solution 16:[16]

I solve the same issue so:

  • Delete podfile.lock in iOS-folder app
  • Run pod repo update in the terminal
  • Re-compile my code

Solution 17:[17]

dbHelper is empty and you have not set it as the primary activity. Just replace

DBHelper mdbHelper = new DBHelper(this);

to

dbHelper = new DBHelper(this);

Always use the dbHelper object and remove mdbHelper

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