[macOS] Adds macOS project files to layers example (#102539)

Adds macOS support to the layers examples collection.

Issue: flutter/flutter#84306

Author: cbracken

.gitignore

@@ -101,8 +101,11 @@ unlinked_spec.ds
 **/ios/Runner/GeneratedPluginRegistrant.*
 
 # macOS
+**/Flutter/ephemeral/
+**/Pods/
 **/macos/Flutter/GeneratedPluginRegistrant.swift
 **/macos/Flutter/ephemeral
+**/xcuserdata/
 
 # Coverage
 coverage/

examples/layers/.metadata

@@ -0,0 +1,30 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled.
+
+version:
+  revision: 4d7cb4c5e93170bcac6617c1810a3945eef72468
+  channel: unknown
+
+project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: 4d7cb4c5e93170bcac6617c1810a3945eef72468
+      base_revision: 4d7cb4c5e93170bcac6617c1810a3945eef72468
+    - platform: macos
+      create_revision: 4d7cb4c5e93170bcac6617c1810a3945eef72468
+      base_revision: 4d7cb4c5e93170bcac6617c1810a3945eef72468
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

examples/layers/ios/Runner.xcodeproj/project.pbxproj

@@ -295,7 +295,6 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
 			buildSettings = {
-				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
@@ -412,7 +411,6 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
 			buildSettings = {
-				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
@@ -425,7 +423,6 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
 			buildSettings = {
-				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";

examples/layers/macos/Flutter/Flutter-Debug.xcconfig

@@ -0,0 +1 @@
+#include "ephemeral/Flutter-Generated.xcconfig"

examples/layers/macos/Flutter/Flutter-Release.xcconfig

@@ -0,0 +1 @@
+#include "ephemeral/Flutter-Generated.xcconfig"