diff --git a/Sample Project/CheckBox.xcodeproj/project.pbxproj b/Sample Project/CheckBox.xcodeproj/project.pbxproj
index ee76ebc..8fb8fc6 100644
--- a/Sample Project/CheckBox.xcodeproj/project.pbxproj	
+++ b/Sample Project/CheckBox.xcodeproj/project.pbxproj	
@@ -329,7 +329,7 @@
 		C32537051B9231780059F394 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0800;
+				LastUpgradeCheck = 1240;
 				ORGANIZATIONNAME = "Boris Emorine";
 				TargetAttributes = {
 					5643F12A1CDE722C0020E238 = {
@@ -353,10 +353,9 @@
 			};
 			buildConfigurationList = C32537081B9231780059F394 /* Build configuration list for PBXProject "CheckBox" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
-				English,
 				en,
 				Base,
 			);
@@ -502,7 +501,7 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = BEMCheckBox/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.4;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -532,7 +531,7 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = BEMCheckBox/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.4;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -557,14 +556,23 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -603,14 +611,23 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -630,6 +647,7 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 8.4;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
+				SWIFT_COMPILATION_MODE = wholemodule;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
@@ -641,6 +659,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				INFOPLIST_FILE = CheckBox/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -659,6 +678,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				INFOPLIST_FILE = CheckBox/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -679,6 +699,7 @@
 					"$(inherited)",
 				);
 				INFOPLIST_FILE = CheckBoxTests/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -696,6 +717,7 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				INFOPLIST_FILE = CheckBoxTests/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
diff --git a/Sample Project/CheckBox.xcodeproj/xcshareddata/xcschemes/BEMCheckBox.xcscheme b/Sample Project/CheckBox.xcodeproj/xcshareddata/xcschemes/BEMCheckBox.xcscheme
index 88b3bf5..9a0ef78 100644
--- a/Sample Project/CheckBox.xcodeproj/xcshareddata/xcschemes/BEMCheckBox.xcscheme	
+++ b/Sample Project/CheckBox.xcodeproj/xcshareddata/xcschemes/BEMCheckBox.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "1240"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -29,8 +29,6 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -51,8 +49,6 @@
             ReferencedContainer = "container:CheckBox.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/Sample Project/CheckBox.xcodeproj/xcshareddata/xcschemes/CheckBox.xcscheme b/Sample Project/CheckBox.xcodeproj/xcshareddata/xcschemes/CheckBox.xcscheme
index 4e59e30..24748ff 100644
--- a/Sample Project/CheckBox.xcodeproj/xcshareddata/xcschemes/CheckBox.xcscheme	
+++ b/Sample Project/CheckBox.xcodeproj/xcshareddata/xcschemes/CheckBox.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "1240"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -41,6 +41,15 @@
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "C325370C1B9231780059F394"
+            BuildableName = "CheckBox.app"
+            BlueprintName = "CheckBox"
+            ReferencedContainer = "container:CheckBox.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -63,17 +72,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "C325370C1B9231780059F394"
-            BuildableName = "CheckBox.app"
-            BlueprintName = "CheckBox"
-            ReferencedContainer = "container:CheckBox.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -95,8 +93,6 @@
             ReferencedContainer = "container:CheckBox.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/Sample Project/CheckBox.xcodeproj/xcshareddata/xcschemes/CheckBoxTests.xcscheme b/Sample Project/CheckBox.xcodeproj/xcshareddata/xcschemes/CheckBoxTests.xcscheme
index dc503b2..df78071 100644
--- a/Sample Project/CheckBox.xcodeproj/xcshareddata/xcschemes/CheckBoxTests.xcscheme	
+++ b/Sample Project/CheckBox.xcodeproj/xcshareddata/xcschemes/CheckBoxTests.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "1240"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -41,6 +41,15 @@
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "C325370C1B9231780059F394"
+            BuildableName = "CheckBox.app"
+            BlueprintName = "CheckBox"
+            ReferencedContainer = "container:CheckBox.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -63,17 +72,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "C325370C1B9231780059F394"
-            BuildableName = "CheckBox.app"
-            BlueprintName = "CheckBox"
-            ReferencedContainer = "container:CheckBox.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -95,8 +93,6 @@
             ReferencedContainer = "container:CheckBox.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/Sample Project/CheckBox/Images.xcassets/AppIcon.appiconset/Contents.json b/Sample Project/CheckBox/Images.xcassets/AppIcon.appiconset/Contents.json
index 512f9c9..5e3eaf6 100644
--- a/Sample Project/CheckBox/Images.xcassets/AppIcon.appiconset/Contents.json	
+++ b/Sample Project/CheckBox/Images.xcassets/AppIcon.appiconset/Contents.json	
@@ -1,44 +1,59 @@
 {
   "images" : [
     {
-      "size" : "29x29",
       "idiom" : "iphone",
-      "filename" : "app-icon-setting@2x.png",
-      "scale" : "2x"
+      "scale" : "2x",
+      "size" : "20x20"
     },
     {
-      "size" : "29x29",
       "idiom" : "iphone",
-      "filename" : "app-icon-setting@3x.png",
-      "scale" : "3x"
+      "scale" : "3x",
+      "size" : "20x20"
     },
     {
-      "size" : "40x40",
+      "filename" : "app-icon-setting@2x.png",
       "idiom" : "iphone",
-      "filename" : "app-icon-spotlight@2x.png",
-      "scale" : "2x"
+      "scale" : "2x",
+      "size" : "29x29"
     },
     {
-      "size" : "40x40",
+      "filename" : "app-icon-setting@3x.png",
       "idiom" : "iphone",
-      "filename" : "app-icon-spotlight@3x.png",
-      "scale" : "3x"
+      "scale" : "3x",
+      "size" : "29x29"
     },
     {
-      "size" : "60x60",
+      "filename" : "app-icon-spotlight@2x.png",
       "idiom" : "iphone",
-      "filename" : "app-icon-iphone@2x.png",
-      "scale" : "2x"
+      "scale" : "2x",
+      "size" : "40x40"
+    },
+    {
+      "filename" : "app-icon-spotlight@3x.png",
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "40x40"
     },
     {
-      "size" : "60x60",
+      "filename" : "app-icon-iphone@2x.png",
       "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "60x60"
+    },
+    {
       "filename" : "app-icon-iphone@3x.png",
-      "scale" : "3x"
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "60x60"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "scale" : "1x",
+      "size" : "1024x1024"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
-}
\ No newline at end of file
+}