Initial implementation

.gitignore

@@ -1,3 +1,22 @@
 # OS or Editor folders
 .DS_Store
 *~
+
+# Xcode
+#
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate

CutePetsExample/AppDelegate.h

@@ -0,0 +1,8 @@
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+
+@end
+

CutePetsExample/AppDelegate.m

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+#import "AppDelegate.h"
+#import "GAI.h"
+
+//
+// Google Analytics configuration constants
+//
+
+// Property ID (provided by https://www.google.com/analytics/web/ ) used to initialize a tracker.
+static NSString *const kCutePetsPropertyId = @"UA-54478999-4";
+
+// Dispatch interval for automatic dispatching of hits to Google Analytics.
+// Values 0.0 or less will disable periodic dispatching. The default dispatch interval is 120 secs.
+static NSTimeInterval const kCutePetsDispatchInterval = 120.0;
+
+// Set log level to have the Google Analytics SDK report debug information only in DEBUG mode.
+#if DEBUG
+static GAILogLevel const kCutePetsLogLevel = kGAILogLevelVerbose;
+#else
+static GAILogLevel const kCutePetsLogLevel = kGAILogLevelWarning;
+#endif
+
+@interface AppDelegate ()
+
+@property(nonatomic, copy) void (^dispatchHandler)(GAIDispatchResult result);
+
+- (void)initializeGoogleAnalytics;
+- (void)sendHitsInBackground;
+
+@end
+
+@implementation AppDelegate
+
+- (void)initializeGoogleAnalytics {
+  // Automatically send uncaught exceptions to Google Analytics.
+  [GAI sharedInstance].trackUncaughtExceptions = YES;
+
+  // Set the dispatch interval for automatic dispatching.
+  [GAI sharedInstance].dispatchInterval = kCutePetsDispatchInterval;
+
+  // Set the appropriate log level for the default logger.
+  [GAI sharedInstance].logger.logLevel = kCutePetsLogLevel;
+
+  // Initialize a tracker using a Google Analytics property ID.
+  [[GAI sharedInstance] trackerWithTrackingId:kCutePetsPropertyId];
+}
+
+// This method sends any queued hits when the app enters the background.
+- (void)sendHitsInBackground {
+  __block BOOL taskExpired = NO;
+
+  __block UIBackgroundTaskIdentifier taskId =
+  [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{
+    taskExpired = YES;
+  }];
+
+  if (taskId == UIBackgroundTaskInvalid) {
+    return;
+  }
+
+  __weak AppDelegate *weakSelf = self;
+  self.dispatchHandler = ^(GAIDispatchResult result) {
+    // Dispatch hits until we have none left, we run into a dispatch error,
+    // or the background task expires.
+    if (result == kGAIDispatchGood && !taskExpired) {
+      [[GAI sharedInstance] dispatchWithCompletionHandler:weakSelf.dispatchHandler];
+    } else {
+      [[UIApplication sharedApplication] endBackgroundTask:taskId];
+    }
+  };
+
+  [[GAI sharedInstance] dispatchWithCompletionHandler:self.dispatchHandler];
+}
+
+- (BOOL)application:(UIApplication *)application
+      didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+  [self initializeGoogleAnalytics];
+  return YES;
+}
+
+- (void)applicationDidEnterBackground:(UIApplication *)application {
+  [self sendHitsInBackground];
+}
+
+- (void)applicationWillEnterForeground:(UIApplication *)application {
+  // Restore the dispatch interval since dispatchWithCompletionHandler:
+  // disables automatic dispatching.
+  [GAI sharedInstance].dispatchInterval = kCutePetsDispatchInterval;
+}
+
+@end

CutePetsExample/CutePet.h

@@ -0,0 +1,11 @@
+#import <Foundation/Foundation.h>
+
+@interface CutePet : NSObject
+
+@property(nonatomic, readonly) NSString *name;
+@property(nonatomic, readonly) NSString *imageName;
+@property(nonatomic, assign) NSInteger score;
+
+- (id)initWithName:(NSString *)name imageName:(NSString *)imageName;
+
+@end

CutePetsExample/CutePet.m

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+#import "CutePet.h"
+
+@implementation CutePet
+
+- (id)initWithName:(NSString *)name imageName:(NSString *)imageName {
+  self = [super init];
+  if (self) {
+    _name = [name copy];
+    _imageName = [imageName copy];
+  }
+  return self;
+}
+
+@end

CutePetsExample/Images.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,68 @@
+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "76x76",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "76x76",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

CutePetsExample/Info.plist

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>Cute Pets Example</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.google.analytics.$(PRODUCT_NAME:rfc1034identifier)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Storyboard-iPad</string>
+	<key>UIMainStoryboardFile~ipad</key>
+	<string>Storyboard-iPad</string>
+	<key>UIMainStoryboardFile~iphone</key>
+	<string>Storyboard-iPhone</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>

CutePetsExample/InstructionsViewController.h

@@ -0,0 +1,7 @@
+#import "GAITrackedViewController.h"
+
+// Extend GAITrackedViewController to enable automatic screenview tracking for this view controller.
+// Set the view controller's screen name in viewDidLoad.
+@interface InstructionsViewController : GAITrackedViewController
+
+@end

CutePetsExample/InstructionsViewController.m

@@ -0,0 +1,32 @@
+#import "InstructionsViewController.h"
+
+#import "NavigationController.h"
+
+@interface InstructionsViewController ()
+
+@property(nonatomic, weak) IBOutlet UILabel *instructionsLabel;
+
+@end
+
+@implementation InstructionsViewController
+
+- (NSUInteger)supportedInterfaceOrientations {
+  return UIInterfaceOrientationMaskAllButUpsideDown;
+}
+
+- (void)viewDidLoad {
+  [super viewDidLoad];
+
+  self.navigationItem.hidesBackButton = YES;
+  self.instructionsLabel.text = NSLocalizedString(@"Instructions", nil);
+
+  // Set the screen name for automatic screenview tracking.
+  self.screenName = @"Instructions";
+}
+
+- (IBAction)handleStartButton:(id)sender {
+  NavigationController *navigationController = (NavigationController *)self.navigationController;
+  [navigationController pushNextViewControllerWithCurrentPet:nil];
+}
+
+@end

CutePetsExample/LaunchScreen.xib

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="6254" systemVersion="13F1077" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6247"/>
+        <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <view contentMode="scaleToFill" id="iN0-l3-epB">
+            <rect key="frame" x="0.0" y="0.0" width="480" height="480"/>
+            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+            <subviews>
+                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright (c) 2015 Google. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
+                    <rect key="frame" x="20" y="439" width="441" height="20.5"/>
+                    <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                    <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
+                    <nil key="highlightedColor"/>
+                </label>
+                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Cute Pets Example" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="kId-c2-rCX">
+                    <rect key="frame" x="20" y="140.5" width="441" height="42"/>
+                    <fontDescription key="fontDescription" name="ArialRoundedMTBold" family="Arial Rounded MT Bold" pointSize="36"/>
+                    <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
+                    <nil key="highlightedColor"/>
+                </label>
+            </subviews>
+            <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+            <constraints>
+                <constraint firstItem="kId-c2-rCX" firstAttribute="centerY" secondItem="iN0-l3-epB" secondAttribute="bottom" multiplier="1/3" constant="1" id="5cJ-9S-tgC"/>
+                <constraint firstAttribute="centerX" secondItem="kId-c2-rCX" secondAttribute="centerX" id="Koa-jz-hwk"/>
+                <constraint firstAttribute="bottom" secondItem="8ie-xW-0ye" secondAttribute="bottom" constant="20" id="Kzo-t9-V3l"/>
+                <constraint firstItem="8ie-xW-0ye" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="MfP-vx-nX0"/>
+                <constraint firstAttribute="centerX" secondItem="8ie-xW-0ye" secondAttribute="centerX" id="ZEH-qu-HZ9"/>
+                <constraint firstItem="kId-c2-rCX" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="fvb-Df-36g"/>
+            </constraints>
+            <nil key="simulatedStatusBarMetrics"/>
+            <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
+            <point key="canvasLocation" x="548" y="455"/>
+        </view>
+    </objects>
+</document>

CutePetsExample/Localizable.strings

@@ -0,0 +1,17 @@
+"AppName" = "Cute Pets Example";
+
+"Question_Gender" = "What is your gender?";
+"Question_Age" = "What is your age group?";
+"Question_Pet" = "Which pets do you own?";
+
+"Instructions" = "You will be shown a series of image pairs comparing two pets.\
+\nTap on the pet who you think is cuter.";
+"TapPrompt" = "Tap the cuter pet";
+"Results" = "Thank you for your answers!\n\nHere are your top three pets.";
+
+"Choice_Cats" = "Cat(s)";
+"Choice_Dogs" = "Dog(s)";
+
+"AgeGroup_1" = "Under 24 years old";
+"AgeGroup_2" = "25-54 years old";
+"AgeGroup_3" = "55 years or older";

CutePetsExample/NavigationController.h

@@ -0,0 +1,10 @@
+#import <UIKit/UIKit.h>
+
+@class CutePet;
+
+@interface NavigationController : UINavigationController
+
+- (void)pushNextViewControllerWithCurrentPet:(CutePet *)currentPet;
+- (void)startOver;
+
+@end