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import Foundation

// Create a method that will be called instead of
// "bundleIdentifier()" that returns a non-empty
// bundle id, even for a CLI script
extension NSBundle {
    func fakeBundleIdentifier() -> NSString {
        if self == NSBundle.mainBundle() {
            return "dont.mind.me.totally.a.normal.bundleid"
        } else {

rsattar

import Foundation

// Create a method that will be called instead of
// "bundleIdentifier()" that returns a non-empty
// bundle id, even for a CLI script
extension NSBundle {
    func fakeBundleIdentifier() -> NSString {
        if self == NSBundle.mainBundle() {
            return "dont.mind.me.totally.a.normal.bundleid"
        } else {

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1. The Layer Tree

Core Animation's original name is Layer Kit

Core Animation is a compositing engine; its job is to compose different pieces of visual content on the screen, and to do so as fast as possible. The content in question is divided into individual layers stored in a hierarchy known as the layer tree. This tree forms the underpinning for all of UIKit, and for everything that you see on the screen in an iOS application.

In UIView, tasks such as rendering, layout and animation are all managed by a Core Animation class called CALayer. The only major feature of UIView that isn’t handled by CALayer is user interaction.

There are four hierarchies, each performing a different role:

• view hierarchy
• layer tree

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- (void) setImage:(UIImage *)image
{
    [super setImage:image];

    if (self.lk_heightConstrainedToAspectWidth && self.image) {
        CGFloat imageAspectRatio = self.image.size.height / self.image.size.width;
        // If we haven't constrained ourself, or the constraint needs updating
        if (!self.aspectRatioHeightConstraint || self.aspectRatioHeightConstraint.multiplier != imageAspectRatio) {
            [self setNeedsUpdateConstraints];
        }

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autologin = TRUE

googleLogin = TRUE

• When version > 3.5: FALSE

barName = Hello World!

foo = FALSE

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// Say this is in your app delegate

- (void) attemptAutologin
{
    NSURL *autologinURL = ...some..url..that..does..autologin..on..your..server
    self.safariViewController = [[SFSafariViewController alloc] initWithURL:autologinURL];
    self.safariViewController.modalPresentationStyle = UIModalPresentationOverFullScreen;
    self.safariViewController.view.alpha = 0.0;
    [self.window.rootViewController presentViewController:self.safariViewController
                                                 animated:NO

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# Get the already-processed Info.plist, which has our bundleId, etc.
processedInfoPlistFile=$TARGET_BUILD_DIR/$INFOPLIST_PATH
# Copy the bundle identifier from our processed Info.plist
bundleId=$(/usr/libexec/PlistBuddy -c "Print :CFBundleIdentifier" "$processedInfoPlistFile")
# Prefix it with "group." to make the application group container id
appGroupContainerId=group.$bundleId

# Get the already-copied Settings.bundle/Root.plist
appPackageFolder=$TARGET_BUILD_DIR/$EXECUTABLE_FOLDER_PATH
copiedSettingsBundlePlistFile=$appPackageFolder/Settings.bundle/Root.plist

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// In .h
typedef NS_ENUM(NSInteger, ClusterAPIClusterMediaKind) {
    ClusterAPIClusterMediaKindPhoto = 1 << 1,
    ClusterAPIClusterMediaKindVideo = 1 << 2,
    ClusterAPIClusterMediaKindText = 1 << 3,
    ClusterAPIClusterMediaKindFancyText = 1 << 4,
    ClusterAPIClusterMediaKindLocation = 1 << 5,
};

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- (void) tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
    // See: http://stackoverflow.com/a/18833311/9849
    if (self.displayAsCenteredTableView) {
        if (tableView == self.tableView) {
            CGFloat cornerRadius = 7.f;
            cell.backgroundColor = UIColor.clearColor;
            CAShapeLayer *fillLayer = [[CAShapeLayer alloc] init];
            CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];
            CGMutablePathRef pathRef = CGPathCreateMutable();

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//
//  UIView+BorderViews.h
//  Cluster
//
//  Created by Rizwan Sattar on 4/1/14.
//  Copyright (c) 2014 Cluster Labs, Inc. All rights reserved.
//

#import <UIKit/UIKit.h>