update ios

ios/Podfile

@@ -37,12 +37,36 @@ target 'Runner' do
   end
 end
 
+# post_install do |installer|
+#   installer.pods_project.targets.each do |target|
+#     flutter_additional_ios_build_settings(target)
+#     target.build_configurations.each do |config|
+#       config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '12.1'
+#     end
+
+#   end
+# end
+
+
+
+$iOSVersion = '12.1'  # or newer version
+
 post_install do |installer|
+  # add these lines:
+  installer.pods_project.build_configurations.each do |config|
+    config.build_settings["EXCLUDED_ARCHS[sdk=*]"] = "armv7"
+    config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = $iOSVersion
+  end
+  
   installer.pods_project.targets.each do |target|
     flutter_additional_ios_build_settings(target)
+    
+    # add these lines:
     target.build_configurations.each do |config|
-      config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '12.1'
+      if Gem::Version.new($iOSVersion) > Gem::Version.new(config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'])
+        config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = $iOSVersion
+      end
     end
-
+    
   end
-end
+end