JigarM’s gists

JigarM / appdelegate.m

Created January 19, 2015 09:25

Top view controller Objective C

	- (UIViewController *)topViewController{
	return [self topViewController:[UIApplication sharedApplication].keyWindow.rootViewController];
	}

	- (UIViewController )topViewController:(UIViewController )rootViewController
	{
	if (rootViewController.presentedViewController == nil) {
	return rootViewController;
	}
	if ([rootViewController.presentedViewController isKindOfClass:[UINavigationController class]]) {

JigarM / uiappearance-selector.md

Last active August 29, 2015 14:14 — forked from mattt/uiappearance-selector.md

Generate the list yourself:

$ cd /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS*.sdk/System/Library/Frameworks/UIKit.framework/Headers
$ grep -H UI_APPEARANCE_SELECTOR ./* | sed 's/ __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_5_0) UI_APPEARANCE_SELECTOR;//'

UIActivityIndicatorView

JigarM / gist:0fe0ba27d25d51bdc221

Created January 28, 2015 08:11

iOS / iPhone: Fade and Zoom in UIView / UIButton animation

	- (IBAction)locationPressed:(id)sender {
	//[self contactWithBusinessPersonClicked:nil];
	//button.alpha = 0.0f;
	self.greenHeader.transform = CGAffineTransformMakeScale(0.1,0.1);
	[UIView beginAnimations:@"fadeInNewView" context:NULL];
	[UIView setAnimationDuration:1.0];
	self.greenHeader.transform = CGAffineTransformMakeScale(1,1);
	self.greenHeader.alpha = 1.0f;
	[UIView commitAnimations];
	}

JigarM / gist:b2b1f76d23921d5b2ca8

Last active August 29, 2015 14:14

Customize navigationbar

	/*****************************************************/
	//Customizing Navigation Bar and Status Bar in iOS 7
	//http://www.appcoda.com/customize-navigation-status-bar-ios-7/
	/*****************************************************/
	NSShadow *shadow = [[NSShadow alloc] init];
	shadow.shadowColor = [UIColor colorWithRed:0.0 green:0.0 blue:0.0 alpha:0.8];
	shadow.shadowOffset = CGSizeMake(0, 1);
	[[UINavigationBar appearance] setTitleTextAttributes: [NSDictionary dictionaryWithObjectsAndKeys:
	[UIColor colorWithRed:245.0/255.0 green:245.0/255.0 blue:245.0/255.0 alpha:1.0], NSForegroundColorAttributeName,
	shadow, NSShadowAttributeName,

JigarM / UINavigationItem.m

Created January 30, 2015 10:20

Empty navigation back button iOS7

	//
	// UINavigationItem+ArrowBackButton.h
	// BellyCard
	//
	// Created by Mobmaxime on 30/01/15.
	// Copyright (c) 2015 Mobmaxime. All rights reserved.
	//

	//
	// UINavigationItem+ArrowBackButton.h

JigarM / AMScanViewController.h

Last active August 29, 2015 14:16 — forked from Alex04/AMScanViewController.h

QRCode Scanner : http://www.ama-dev.com/iphone-qr-code-library-ios-7/

	//
	// AMScanViewController.h
	//
	//
	// Created by Alexander Mack on 11.10.13.
	// Copyright (c) 2013 ama-dev.com. All rights reserved.
	//
	//http://www.ama-dev.com/iphone-qr-code-library-ios-7/

	#import <UIKit/UIKit.h>

JigarM / gist:d1eef5a3d87e2f25016a

Last active August 29, 2015 14:17

Add and Remove ChildViewController

	// add child view
	UIViewController* controller = [self.storyboard instantiateViewControllerWithIdentifier:@"test"];
	[self addChildViewController:controller];
	controller.view.frame = CGRectMake(0, 44, 320, 320);
	[self.view addSubview:controller.view];
	[controller didMoveToParentViewController:self];

	// remove child view
	UIViewController *vc = [self.childViewControllers lastObject];
	[vc willMoveToParentViewController:nil];

JigarM / Version.m

Created April 2, 2015 07:53

Runtime iOS Version Checking

	//Original Post : https://gist.github.com/alex-cellcity/998472
	/*
	* System Versioning Preprocessor Macros
	*/

	#define SYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)
	#define SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)
	#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)
	#define SYSTEM_VERSION_LESS_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)
	#define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)

JigarM / gist:fa9f42bcac231e4af76d

Created April 23, 2015 12:09

Objective-C fastes method for get min and max value from array.

	//Original Blog Post : https://gist.github.com/kautaleksei/19afe866371bf3168a3d
	#import <Foundation/Foundation.h>

	void method1(NSArray *numbers)
	{
	NSArray *sorted = [numbers sortedArrayUsingSelector:@selector(compare:)];
	}

	void method2(NSArray *numbers)
	{

JigarM / file

Last active August 29, 2015 14:24

iOS 8.3 crashes when installing constraints on views.

	//A multiplier of 0 or a nil second item together with a location for the first attribute creates
	//an illegal constraint of a location equal to a constant. Location attributes must be specified in
	//pairs.
	// OR
	//[NSLayoutConstraint constraintWithItem:attribute:relatedBy:toItem:attribute:multiplier:constant:]:
	//A multiplier of 0 or a nil second item together with a location for the first attribute creates an illegal
	//constraint of a location equal to a constant. Location attributes must be specified in pairs'

	//Use
	NSLayoutConstraint *constraint = [NSLayoutConstraint constraintWithItem:self.view1

Jigar M JigarM

UIActivityIndicatorView