Initial commit

.gitignore

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+# OS X
+.DS_Store
+
+# Xcode
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+profile
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+
+# CocoaPods
+Pods

.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>ToolBox - Objective-C</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+	</buildSpec>
+	<natures>
+	</natures>
+</projectDescription>

Date and Time/currentDataTime

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+//Get Current Date and time:
+NSCalendar *gregorian = [NSCalendar currentCalendar];
+NSDateComponents *dateComponents = [gregorian components:(NSDayCalendarUnit | NSMonthCalendarUnit | NSYearCalendarUnit) fromDate:[NSDate date]];

Files/copyFile

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+//Copy a file from x to y
+[[NSFileManager defaultManager] copyItemAtPath:x toPath:y error:nil];

Files/documentsFolderPath

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+//Get the path to the Documents folder:
+NSArray*  paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); 
+NSString* documentsDirectory = [paths objectAtIndex:0];

Launch Applications/dialPhoneNumber

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+//Dial a Phone Number (iPhone Only)
+[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel://9662256888"]];

Launch Applications/googleMaps

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+//Open Google Maps app with directions between two lat/long points
+NSString *urlString = [NSString stringWithFormat:@"http://maps.google.com/maps?saddr=%f,%f&daddr=%f,%f&dirflg=d", start.latitude, start.longitude, finish.latitude, finish.longitude];
+[[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString]]; 

Launch Applications/launchMail

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+//Launch the Apple Mail
+[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"mailto://[email protected]"]];

Launch Applications/launchMessages

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+//Open the Messages app with a specific phone number:
+[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"sms:123456789"]];

Launch Applications/launchSafari

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+//Open an URL in Safari
+[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"http://www.google.com/"]];

Launch Applications/numberofLaunches

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+NSUserDefaults *countDefaults;
+int launchCount;
+
+countDefaults = [NSUserDefaults standardUserDefaults];
+launchCount = [countDefaults integerForKey:@"launchCount" ] + 1;
+[countDefaults setInteger:launchCount forKey:@"launchCount"];
+[countDefaults synchronize];
+
+
+NSLog(@"Launch number: %i", launchCount);

Methods/checkObjectSupportsMethod

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+//Check to make sure an objects support a method before calling it:
+if ([item respondsToSelector:@selector(activateBOP:)]) {
+    [item activateBOP:closeBOP];
+}

Methods/logNameOfClassAndFunction

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+//Log the name of the class and function:
+NSLog(@"%s", __PRETTY_FUNCTION__);

Navigation/UITabBarBackground

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+UIImage *tabBarBackground = [UIImage imageNamed:@"TabBarOverlay.png"];
+[rootController.tabBar setBackgroundImage:tabBarBackground];

Navigation/blackStatusBar

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+//Change the status bar to black
+[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];

Navigation/hideBackButton

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+self.navigationItem.hidesBackButton = YES;

Navigation/hideStatusBar.m

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+//Hide the status bar
+[[UIApplication sharedApplication] setStatusBarHidden:YES animated:NO];

Navigation/navBarStyle

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+//Change the style of the navigation bar (from in a view controller):
+self.navigationController.navigationBar.barStyle = UIBarStyleBlack;

Network/network

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+//Show the network Activity Indicator
+[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
+
+//Hide the network Activity Indicator
+[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;

Power/power

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+//Prevents iPhone goes into sleep mode
+[UIApplication sharedApplication].idleTimerDisabled = YES;

Touch Events/screenTouches

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+//Screen touches method
+
+- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {}

Touch Events/startStopResponding

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+//stop responding to touch events
+[[UIApplication sharedApplication] beginIgnoringInteractionEvents];
+
+//activate the touch events
+[[UIApplication sharedApplication] endIgnoringInteractionEvents];

Types/customEnumType

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+//Own enum type:
+typedef enum {
+    a = 0, b = 1, c = 2
+} enumName;

UILabel/alignText

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+titleLabel.textAlignment = UITextAlignmentCenter;

UILabel/fontSize

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+[textView setFont:[UIFont fontWithName:@"Helvetica" size:16]];

UIScrollView/configuration

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+[scrollView setScrollEnabled:YES];
+[scrollView setContentSize:CGSizeMake(320, 1400)];

UITableView/tableViewTemplate

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+- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    static NSString *cellIdentifier = @"Cell";
+    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
+    if(cell == nil)
+    {
+        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle 
+                                      reuseIdentifier:cellIdentifier];
+            // Do something here......................
+    }
+    // Do something here too .........................
+    return cell;
+}
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
+{
+    return ;
+}
+
+- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
+{
+    return ;
+}

UITextView/fontAndSize

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+[thankYouTextView setFont:[UIFont fontWithName:@"Helvetica" size:16]];

UIView/alertWindow

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+//Display an alert window:
+UIAlertView* alert = [[[UIAlertView alloc] initWithTitle:@"Warning" message:@"too many alerts" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil] autorelease];
+[alert show] 

UIView/backgroundColor

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+self.view.backgroundColor = [UIColor colorWithHue:1.0 saturation:0.0 brightness:0.6 alpha:1.0];

UIView/changeBackButtonTitle

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+//Change the title on the back button on a UINavigationView.
+//Use this code on the UINavigationController before pushing the view
+
+UIBarButtonItem *backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Back" style: UIBarButtonItemStyleBordered target:nil action:nil];
+
+
+self.navigationItem.backBarButtonItem = backBarButtonItem;
+[backBarButtonItem release];

UIView/displayNewView

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+//Display a new view
+[self presentModalViewController:(UIViewController *) animated:YES];

UIView/fadeAwayUIView

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+//Fade away a UIView by animating the alpha down to 0:
+[UIView beginAnimations:nil context:NULL];
+[UIView setAnimationDuration:1];  // fade away over 1 seconds
+[aView setAlpha:0]; 
+[UIView commitAnimations]; 

UIView/getAppName

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+//Get the name of the app
+self.title = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleName"];

UIView/notificationBadge

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+//red notification badge on app
+[UIApplication sharedApplication].applicationIconBadgeNumber = 10;

UIView/pushViewToNavBar

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+//Push another view controller onto the Navigation Bar:
+[self.navigationController pushViewController:anotherVC animated:YES];

UIView/quartzDrawArc

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+//Quartz draw arc
+CGContextRef ctxt = UIGraphicsGetCurrentContext();
+CGContextAddArc(ctxt, x, y, radius, startDeg, endDeg);

UIView/roundedCornerOrBorder

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+//Add rounded corners and/or a border around any UIView item (self)
+self.layer.borderColor  = [UIColor whiteColor].
+self.layer.cornerRadius = 8;     // rounded corners
+self.layer.masksToBounds = YES;  // prevent drawing outside border

UIView/setTitle

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+viewController.title = @"Title Here...";

UIViewController/presentViewController

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+ViewController *viewController = [[ViewController alloc] init];
+viewController = @"Title Here...";
+[self.navigationController viewController animated:YES];

User Defaults/saveBoolToUserDefaults

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+//Save bool to User Defaults
+[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"Yes Bool"];

User Defaults/saveOrGetStringToUserDefaults

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+//Save a NSString into NSUserDefaults:
+NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
+[defaults setObject:loginName forKey:kUserLoginName];
+
+//Get an NSString from NSUserDefaults:
+NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
+NSString* loginName = [defaults stringForKey:kUserLoginName];

Vibrate/vibrate

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+//Make the device vibrate:
+AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);