diff --git a/Classes/PullToRefreshAppDelegate.m b/Classes/PullToRefreshAppDelegate.m
index 8823f26..7f21437 100644
--- a/Classes/PullToRefreshAppDelegate.m
+++ b/Classes/PullToRefreshAppDelegate.m
@@ -24,7 +24,7 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
     DemoTableViewController *demoTableViewController = [[[DemoTableViewController alloc] init] autorelease];
     navigationController = [[UINavigationController alloc] initWithRootViewController:demoTableViewController];
 
-    [window addSubview:navigationController.view];
+    [window setRootViewController:navigationController];
     [window makeKeyAndVisible];
 
     return YES;
diff --git a/PullToRefresh-Info.plist b/PullToRefresh-Info.plist
index 1566585..ef576df 100644
--- a/PullToRefresh-Info.plist
+++ b/PullToRefresh-Info.plist
@@ -18,11 +18,17 @@
 	<string>${PRODUCT_NAME}</string>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
 	<string>1.0</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+	</array>
 </dict>
 </plist>
diff --git a/PullToRefresh.xcodeproj/project.pbxproj b/PullToRefresh.xcodeproj/project.pbxproj
index 1b23836..0f11307 100755
--- a/PullToRefresh.xcodeproj/project.pbxproj
+++ b/PullToRefresh.xcodeproj/project.pbxproj
@@ -141,8 +141,12 @@
 /* Begin PBXProject section */
 		29B97313FDCFA39411CA2CEA /* Project object */ = {
 			isa = PBXProject;
+			attributes = {
+				LastUpgradeCheck = 1400;
+			};
 			buildConfigurationList = C01FCF4E08A954540054247B /* Build configuration list for PBXProject "PullToRefresh" */;
 			compatibilityVersion = "Xcode 3.1";
+			developmentRegion = en;
 			hasScannedForEncodings = 1;
 			knownRegions = (
 				English,
@@ -191,12 +195,18 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				ARCHS = "$(ARCHS_STANDARD)";
+				CLANG_ENABLE_OBJC_WEAK = YES;
 				COPY_PHASE_STRIP = NO;
+				CURRENT_PROJECT_VERSION = 1;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = PullToRefresh_Prefix.pch;
 				INFOPLIST_FILE = "PullToRefresh-Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = "com.yourcompany.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = PullToRefresh;
 			};
 			name = Debug;
@@ -205,10 +215,16 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				ARCHS = "$(ARCHS_STANDARD)";
+				CLANG_ENABLE_OBJC_WEAK = YES;
 				COPY_PHASE_STRIP = YES;
+				CURRENT_PROJECT_VERSION = 1;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = PullToRefresh_Prefix.pch;
 				INFOPLIST_FILE = "PullToRefresh-Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = "com.yourcompany.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = PullToRefresh;
 				VALIDATE_PRODUCT = YES;
 			};
@@ -217,27 +233,77 @@
 		C01FCF4F08A954540054247B /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
 				GCC_C_LANGUAGE_STANDARD = c99;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				PREBINDING = NO;
-				SDKROOT = iphoneos4.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = iphoneos;
 			};
 			name = Debug;
 		};
 		C01FCF5008A954540054247B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = 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_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_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;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_C_LANGUAGE_STANDARD = c99;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
-				PREBINDING = NO;
-				SDKROOT = iphoneos4.0;
+				SDKROOT = iphoneos;
 			};
 			name = Release;
 		};