[shared_preferences] Revert recent iOS example changes (#6955)

* Revert "[shared_preferences_foundation] Add Swift runtime search paths for Objective-C apps (#6952)"

This reverts commit be2e3de.

* Revert "[shared_preferences] Switch to `shared_preferences_foundation` (#6940)"

This reverts commit 44098fe.

* Re-apply the non-example parts of the reverted PRs

Author: stuartmorgan-g

packages/shared_preferences/shared_preferences/example/ios/.gitignore

@@ -1,4 +1,3 @@
-**/dgph
 *.mode1v3
 *.mode2v3
 *.moved-aside
@@ -19,7 +18,6 @@ Flutter/App.framework
 Flutter/Flutter.framework
 Flutter/Flutter.podspec
 Flutter/Generated.xcconfig
-Flutter/ephemeral/
 Flutter/app.flx
 Flutter/app.zip
 Flutter/flutter_assets/

packages/shared_preferences/shared_preferences/example/ios/Flutter/AppFrameworkInfo.plist

@@ -20,7 +20,11 @@
   <string>????</string>
   <key>CFBundleVersion</key>
   <string>1.0</string>
+  <key>UIRequiredDeviceCapabilities</key>
+  <array>
+    <string>arm64</string>
+  </array>
   <key>MinimumOSVersion</key>
-  <string>11.0</string>
+  <string>9.0</string>
 </dict>
 </plist>

packages/shared_preferences/shared_preferences/example/ios/Flutter/Debug.xcconfig

@@ -1,2 +1,3 @@
 #include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Generated.xcconfig"
+#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"

packages/shared_preferences/shared_preferences/example/ios/Flutter/Release.xcconfig

@@ -1,2 +1,3 @@
 #include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"
+#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"

packages/shared_preferences/shared_preferences/example/ios/Podfile

@@ -1,5 +1,5 @@
 # Uncomment this line to define a global platform for your project
-# platform :ios, '11.0'
+# platform :ios, '9.0'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
@@ -28,9 +28,6 @@ require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelpe
 flutter_ios_podfile_setup
 
 target 'Runner' do
-  use_frameworks!
-  use_modular_headers!
-
   flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
 end
 

packages/shared_preferences/shared_preferences/example/ios/Runner.xcodeproj/project.pbxproj

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1300"
+   LastUpgradeVersion = "1100"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -37,6 +37,16 @@
          </BuildableReference>
       </MacroExpansion>
       <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "F76AC2052669B6AE0040C8BC"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
       </Testables>
    </TestAction>
    <LaunchAction
@@ -61,7 +71,7 @@
       </BuildableProductRunnable>
    </LaunchAction>
    <ProfileAction
-      buildConfiguration = "Profile"
+      buildConfiguration = "Release"
       shouldUseLaunchSchemeArgsEnv = "YES"
       savedToolIdentifier = ""
       useCustomWorkingDirectory = "NO"

packages/shared_preferences/shared_preferences/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -107,12 +107,6 @@
       "idiom" : "ipad",
       "filename" : "[email protected]",
       "scale" : "2x"
-    },
-    {
-      "size" : "1024x1024",
-      "idiom" : "ios-marketing",
-      "filename" : "[email protected]",
-      "scale" : "1x"
     }
   ],
   "info" : {