title: Class AMSupportURLConnectionDelegate is implemented in both
body: <p>I'm trying to build a flutter app on M1 mac and getting the following error.</p>
  <pre><code>$ flutter build ios --release
  Building XXX for device (ios-release)...
  Automatically signing iOS for device deployment using specified development team in Xcode project: XXX
  Running pod install...                                             13.2s
  Running Xcode build...
  Xcode build done.                                            6.7s
  Failed to build iOS app
  Error output from Xcode build:
  ↳
      objc[65074]: Class AMSupportURLConnectionDelegate is implemented in both ?? (0x1f66de518) and ?? (0x1160d82b8). One
      of the two will be used. Which one is undefined.
      objc[65074]: Class AMSupportURLSession is implemented in both ?? (0x1f66de568) and ?? (0x1160d8308). One of the two
      will be used. Which one is undefined.
      ** BUILD FAILED **
  
  
  Xcode's output:
  ↳
      note: Using new build system
      note: Building targets in parallel
      note: Planning build
      note: Constructing build description
      error: The linked framework 'Pods_Runner.framework' is missing one or more architectures required by this target:
      armv7. (in target 'Runner' from project 'Runner')
  
  Encountered error while building for device.
  </code></pre>
  <p>Here is my <code>flutter doctor -v</code></p>
  <pre><code>flutter doctor -v
  [✓] Flutter (Channel stable, 1.22.4, on macOS 11.0 20A2411 darwin-arm, locale en-AU)
      • Flutter version 1.22.4 at /Users/mlee/development/flutter
      • Framework revision 1aafb3a8b9 (3 weeks ago), 2020-11-13 09:59:28 -0800
      • Engine revision 2c956a31c0
      • Dart version 2.10.4
  
  
  [✓] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
      • Android SDK at /Users/mlee/Library/Android/sdk
      • Platform android-30, build-tools 30.0.2
      • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
      • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)
      • All Android licenses accepted.
  
  [✓] Xcode - develop for iOS and macOS (Xcode 12.2)
      • Xcode at /Applications/Xcode.app/Contents/Developer
      • Xcode 12.2, Build version 12B45b
      • CocoaPods version 1.10.0
  
  [!] Android Studio (version 4.1)
      • Android Studio at /Applications/Android Studio.app/Contents
      ✗ Flutter plugin not installed; this adds Flutter specific functionality.
      ✗ Dart plugin not installed; this adds Dart specific functionality.
      • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)
  
  [✓] VS Code (version 1.51.1)
      • VS Code at /Applications/Visual Studio Code.app/Contents
      • Flutter extension version 3.16.0
  
  [✓] Connected device (2 available)
     
  
  ! Doctor found issues in 1 category.
  </code></pre>