[WatchKit] Generate an Info.plist for the watch app.

lib/motion/project/builder.rb

@@ -446,12 +446,7 @@ EOS
       end
 
       # Create bundle/Info.plist.
-      bundle_info_plist = File.join(bundle_path, 'Info.plist')
-      if !File.exist?(bundle_info_plist) or File.mtime(config.project_file) > File.mtime(bundle_info_plist)
-        App.info 'Create', bundle_info_plist
-        File.open(bundle_info_plist, 'w') { |io| io.write(config.info_plist_data(platform)) }
-        sh "/usr/bin/plutil -convert binary1 \"#{bundle_info_plist}\""
-      end
+      generate_info_plist(config, platform)
 
       # Copy resources, handle subdirectories.
       app_resources_dir = config.app_resources_dir(platform)
@@ -571,6 +566,15 @@ EOS
       sh "'#{File.join(config.bindir, 'instruments')}' '#{instruments_app}' '#{plist_path}'"
     end
 
+    def generate_info_plist(config, platform)
+      bundle_info_plist = File.join(config.app_bundle(platform), 'Info.plist')
+      if !File.exist?(bundle_info_plist) or File.mtime(config.project_file) > File.mtime(bundle_info_plist)
+        App.info 'Create', bundle_info_plist
+        File.open(bundle_info_plist, 'w') { |io| io.write(config.info_plist_data(platform)) }
+        sh "/usr/bin/plutil -convert binary1 \"#{bundle_info_plist}\""
+      end
+    end
+
     class << self
       def common_build_dir
         dir = File.expand_path("~/Library/RubyMotion/build")

lib/motion/project/template/ios-watch-extension-builder.rb

@@ -36,6 +36,9 @@ module Motion; module Project
 
       # Compile storyboard
       sh "/usr/bin/ibtool --errors --warnings --notices --module #{config.escaped_storyboard_module_name} --minimum-deployment-target #{config.sdk_version} --output-partial-info-plist /tmp/Interface-SBPartialInfo.plist --auto-activate-custom-fonts --output-format human-readable-text --compilation-directory '#{config.app_bundle(platform)}' watch_app/Interface.storyboard"
+
+      # Create bundle/Info.plist.
+      generate_info_plist(config, platform)
     end
 
     def build_watch_extension(config, platform, opts)

lib/motion/project/template/ios-watch-extension-config.rb

@@ -115,6 +115,29 @@ EOS
         @name ||= @extension_config.name.sub(" WatchKit Extension", '') + " Watch App"
       end
 
+      # @return [String] The bundle identifier of the watch application based on
+      #         the bundle identifier of the watch extension.
+      #
+      def identifier
+        @identifier ||= @extension_config.identifier + '.watchapp'
+      end
+
+      # @todo There are more differences with Xcode's Info.plist.
+      #
+      # @param [String] platform
+      #        The platform identifier that's being build for, such as
+      #        `iPhoneSimulator` or `iPhoneOS`.
+      #
+      # @return [Hash] A hash that contains all the various `Info.plist` data
+      #         merged into one hash.
+      #
+      def merged_info_plist(platform)
+        plist = super
+        plist['UIDeviceFamily'] << '4' # Probably means Apple Watch device?
+        plist['WKWatchKitApp'] = true
+        plist
+      end
+
       # @param [String] platform
       #        The platform identifier that's being build for, such as
       #        `iPhoneSimulator` or `iPhoneOS`.