Episode 88

088-interactive-view-controller-transitions/InteractiveTransitions-starting/SimpleTransitions/AppDelegate.h

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+//
+//  AppDelegate.h
+//  SimpleTransitions
+//
+//  Created by ben on 9/14/13.
+//  Copyright (c) 2013 Fickle Bits. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+
+@end

088-interactive-view-controller-transitions/InteractiveTransitions-starting/SimpleTransitions/AppDelegate.m

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+//
+//  AppDelegate.m
+//  SimpleTransitions
+//
+//  Created by ben on 9/14/13.
+//  Copyright (c) 2013 Fickle Bits. All rights reserved.
+//
+
+#import "AppDelegate.h"
+#import "TransitionListViewController.h"
+
+@implementation AppDelegate
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
+{
+    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+
+    TransitionListViewController *transitionVC = [[TransitionListViewController alloc] init];
+    UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:transitionVC];
+    self.window.rootViewController = nav;
+
+    self.window.backgroundColor = [UIColor whiteColor];
+    [self.window makeKeyAndVisible];
+    return YES;
+}
+
+- (void)applicationWillResignActive:(UIApplication *)application {
+}
+
+- (void)applicationDidEnterBackground:(UIApplication *)application {
+}
+
+- (void)applicationWillEnterForeground:(UIApplication *)application {
+}
+
+- (void)applicationDidBecomeActive:(UIApplication *)application {
+}
+
+- (void)applicationWillTerminate:(UIApplication *)application {
+}
+
+@end

088-interactive-view-controller-transitions/InteractiveTransitions-starting/SimpleTransitions/ColorViewController.h

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+//
+//  ColorViewController.h
+//  SimpleTransitions
+//
+//  Created by ben on 9/15/13.
+//  Copyright (c) 2013 Fickle Bits. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface ColorViewController : UIViewController
+
+- (id)initWithColor:(UIColor *)color;
+
+@end

088-interactive-view-controller-transitions/InteractiveTransitions-starting/SimpleTransitions/ColorViewController.m

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+//
+//  ColorViewController.m
+//  SimpleTransitions
+//
+//  Created by ben on 9/15/13.
+//  Copyright (c) 2013 Fickle Bits. All rights reserved.
+//
+
+#import "ColorViewController.h"
+
+@interface ColorViewController ()
+@property (nonatomic, strong) UIColor *color;
+@end
+
+@implementation ColorViewController
+
+- (id)initWithColor:(UIColor *)color {
+    self = [super init];
+    if (self) {
+        self.color = color;
+        self.modalPresentationStyle = UIModalPresentationCustom;
+    }
+    return self;
+}
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    self.view.backgroundColor = self.color;
+    self.view.layer.borderColor = [[UIColor blackColor] CGColor];
+    self.view.layer.borderWidth = 1.0;
+
+    UIButton *dismissButton = [UIButton buttonWithType:UIButtonTypeCustom];
+    dismissButton.tintColor = [UIColor blueColor];
+    [dismissButton setTitle:@"Back" forState:UIControlStateNormal];
+
+    [self.view addSubview:dismissButton];
+    dismissButton.frame = CGRectMake(0, self.view.frame.size.height - 50, self.view.frame.size.width, 50);
+    dismissButton.backgroundColor = [UIColor whiteColor];
+    [dismissButton setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];
+    [dismissButton addTarget:self action:@selector(dismiss:) forControlEvents:UIControlEventTouchUpInside];
+
+    UITapGestureRecognizer *tapRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(onTap:)];
+    [self.view addGestureRecognizer:tapRecognizer];
+}
+
+- (UIColor *)randomColor {
+    return [UIColor colorWithRed:(arc4random() % 255) / 255.0
+                           green:(arc4random() % 255) / 255.0
+                            blue:(arc4random() % 255) / 255.0
+                           alpha:1.0];
+}
+
+- (void)onTap:(id)sender {
+    ColorViewController *nextColor = [[ColorViewController alloc] initWithColor:[self randomColor]];
+    nextColor.transitioningDelegate = self.transitioningDelegate;
+    [self presentViewController:nextColor animated:YES completion:nil];
+}
+
+- (void)dismiss:(id)sender {
+    [self dismissViewControllerAnimated:YES completion:nil];
+}
+
+- (void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+    [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent animated:YES];
+}
+
+@end

088-interactive-view-controller-transitions/InteractiveTransitions-starting/SimpleTransitions/Images.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

088-interactive-view-controller-transitions/InteractiveTransitions-starting/SimpleTransitions/Images.xcassets/LaunchImage.launchimage/Contents.json

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+{
+  "images" : [
+    {
+      "orientation" : "portrait",
+      "idiom" : "iphone",
+      "extent" : "full-screen",
+      "minimum-system-version" : "7.0",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "iphone",
+      "subtype" : "retina4",
+      "extent" : "full-screen",
+      "minimum-system-version" : "7.0",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

088-interactive-view-controller-transitions/InteractiveTransitions-starting/SimpleTransitions/SimpleTransitions-Info.plist

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+<?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>${PRODUCT_NAME}</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.ficklebits.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${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>1.0</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+	</array>
+</dict>
+</plist>

088-interactive-view-controller-transitions/InteractiveTransitions-starting/SimpleTransitions/SimpleTransitions-Prefix.pch

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+//
+//  Prefix header
+//
+//  The contents of this file are implicitly included at the beginning of every source file.
+//
+
+#import <Availability.h>
+
+#ifndef __IPHONE_3_0
+#warning "This project uses features only available in iOS SDK 3.0 and later."
+#endif
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif

088-interactive-view-controller-transitions/InteractiveTransitions-starting/SimpleTransitions/SwatchTransition.h

@@ -0,0 +1,20 @@
+//
+//  SwatchTransition.h
+//  SimpleTransitions
+//
+//  Created by ben on 9/15/13.
+//  Copyright (c) 2013 Fickle Bits. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+typedef NS_ENUM(NSInteger, SwatchTransitionMode){
+    SwatchTransitionModePresent = 0,
+    SwatchTransitionModeDismiss
+};
+
+@interface SwatchTransition : NSObject <UIViewControllerAnimatedTransitioning>
+
+@property (nonatomic, assign) SwatchTransitionMode mode;
+
+@end

088-interactive-view-controller-transitions/InteractiveTransitions-starting/SimpleTransitions/SwatchTransition.m

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+//
+//  SwatchTransition.m
+//  SimpleTransitions
+//
+//  Created by ben on 9/15/13.
+//  Copyright (c) 2013 Fickle Bits. All rights reserved.
+//
+
+#import "SwatchTransition.h"
+const CGFloat SWATCH_PRESENT_DURATION = 1.5;
+const CGFloat SWATCH_DISMISS_DURATION = 0.25;
+
+@implementation SwatchTransition
+
+- (NSTimeInterval)transitionDuration:(id <UIViewControllerContextTransitioning>)transitionContext {
+    return self.mode == SwatchTransitionModePresent ? SWATCH_PRESENT_DURATION : SWATCH_DISMISS_DURATION;
+}
+
+- (void)animateTransition:(id <UIViewControllerContextTransitioning>)transitionContext {
+    UIViewController *fromVC = [transitionContext viewControllerForKey:UITransitionContextFromViewControllerKey];
+    UIViewController *toVC = [transitionContext viewControllerForKey:UITransitionContextToViewControllerKey];
+
+    CGRect sourceRect = [transitionContext initialFrameForViewController:fromVC];
+
+    CGAffineTransform rotation = CGAffineTransformMakeRotation(- M_PI / 2);
+    UIView *container = [transitionContext containerView];
+
+    if (self.mode == SwatchTransitionModePresent) {
+        [container addSubview:toVC.view];
+
+        toVC.view.layer.anchorPoint = CGPointZero;
+        toVC.view.frame = sourceRect;
+        toVC.view.transform = rotation;
+
+        [UIView animateWithDuration:SWATCH_PRESENT_DURATION
+                              delay:0
+             usingSpringWithDamping:0.25
+              initialSpringVelocity:3
+                            options:UIViewAnimationOptionCurveEaseIn
+                         animations:^{
+                             toVC.view.transform = CGAffineTransformIdentity;
+                         } completion:^(BOOL finished) {
+                             [transitionContext completeTransition:YES];
+                         }];
+    } else if(self.mode == SwatchTransitionModeDismiss) {
+        [UIView animateWithDuration:SWATCH_DISMISS_DURATION
+                              delay:0
+                            options:UIViewAnimationOptionCurveEaseIn
+                         animations:^{
+                             fromVC.view.transform = rotation;
+                         } completion:^(BOOL finished) {
+                             [fromVC.view removeFromSuperview];
+                             [transitionContext completeTransition:YES];
+                         }];
+    }
+}
+
+@end

088-interactive-view-controller-transitions/InteractiveTransitions-starting/SimpleTransitions/TransitionListViewController.h

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+//
+//  TransitionListViewController.h
+//  SimpleTransitions
+//
+//  Created by ben on 9/14/13.
+//  Copyright (c) 2013 Fickle Bits. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface TransitionListViewController : UITableViewController
+
+@end