When trying to segue, nothing happens - ios

I have an app I am working on, and I am trying to have the logo on for a bit longer, and fade out/slide out/effect when it's done.
Here's my setup:
The Tab Bar controller is not letting me place an Image View inside it, so I created a view to have it on.
I am trying to have the logo stay on for a bit, fade out, then automatically switch the view (Segue) to the Tab Bar controller.
This is what I get out of it: http://youtu.be/l4jL0BfpR2k
So here's my code:
//
// BDNLogoViewController.m
// Bronydom Network
//
// Created by name on 10/1/13.
// Copyright (c) 2013 name. All rights reserved.
//
#import "BDNLogoViewController.h"
#import "BDNTabBarController.h"
#import "BDNFirstViewController.h"
#interface BDNLogoViewController ()
#end
#implementation BDNLogoViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
[UIView animateWithDuration:1 animations:^{
_imageview.alpha = 0;
}];
//BDNTabBarController *viewController = [[BDNTabBarController alloc] init];
//[self.navigationController pushViewController:viewController animated:YES];
(void)#selector(seguePerform:);
}
- (void)seguePerform:(id)sender
{
//BDNTabBarController *myNewVC = [[BDNTabBarController alloc] init];
// do any setup you need for myNewVC
[self performSegueWithIdentifier:#"open" sender:sender];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
#end
Yes, "open" is defined as the segue id.
Do you guys have any ideas on how I could fix this?

To fix, add this
- (void) viewDidAppear:(BOOL)animated
{
[super viewDidAppear:YES];
[self performSegueWithIdentifier:#"open" sender:self];
}
Remove this from your code
(void)#selector(seguePerform:);
// and all other unnecessary segue stuff you had

Related

JAALEE Beacon SDK not working

I am using iBeacons manufactured by JAALEE, Liam trying get list go iBeacons near to me but i am not able to get it
// JLEConfigBeacon.m
// Example
//
// Created by jaalee on 14-4-23.
// Copyright (c) 2014年 jaalee. All rights reserved.
//
#import "BeaconList.h"
#import "JLEBeaconDevice.h"
#import "SWRevealViewController.h"
#import "PetFinderViewController.h"
#import "AdvertisementViewController.h"
#interface BeaconList ()
#property (nonatomic) NSMutableArray *mBeaconDeviceList;
#property (nonatomic) JLEBeaconConfigManager *mBeaconConfigManager;
#property (nonatomic) JLEBeaconDevice *mBeaconDevice;
#end
#implementation BeaconList
#synthesize destinationName;
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
_mBeaconDeviceList = [[NSMutableArray alloc] init];
_mBeaconConfigManager = [[JLEBeaconConfigManager alloc] init];
_mBeaconConfigManager.delegate = self;
_sidebarButton.target = self.revealViewController;
_sidebarButton.action = #selector(revealToggle:);
if ([[self title] isEqualToString:#"Beacon List"]) {
[self setTitle:#"Pet Finder"];
}
}
-(void)viewDidAppear:(BOOL)animated
{
[_mBeaconDeviceList removeAllObjects];
[self.mTableView reloadData];
[_mBeaconConfigManager startJaaleeBeaconsDiscovery];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
#pragma mark - JLEBeaconConfigManager delegate
- (void)beaconConfigManager:(JLEBeaconConfigManager *)manager didDiscoverBeacon:(JLEBeaconDevice *)beacon RSSI:(NSNumber *)RSSI
{
for (int i = 0; i < _mBeaconDeviceList.count; i++) {
JLEBeaconDevice *temp = [_mBeaconDeviceList objectAtIndex:i];
if (temp == beacon) {
return;
}
}
[_mBeaconDeviceList addObject:beacon];
[self.mTableView reloadData];
}
#end
Dont know how to resolve this. i want to use this to get Proximity UUID from detected beacon.
GIT LINK OF SDK
If you ibeacon do not have any additional features as estimote ibeacons(accelerometers and temperature sensor), you must not use SDK.
Look at this tutorial for iOS 8 and change the UUID.
http://ibeaconmodules.us/blogs/news/14279747-tutorial-ibeacon-app-development-with-corelocation-on-apple-ios-7-8

Request for member 'subview' in something not a structure or union?

I've created a gradient using Quartz, only one issue. I can't get it to rotate with the screen. I've tried everything listed on this tutorial. Here's the view controller header:
#import <UIKit/UIKit.h>
#interface RadialGradientBackgroundViewController : UIViewController {
}
#end
And here's the view controller:
#import "RadialGradientBackgroundViewController.h"
#import "BackgroundLayer.h"
#implementation RadialGradientBackgroundViewController
/*
// The designated initializer. Override to perform setup that is required before the view is loaded.
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
*/
/*
// Implement loadView to create a view hierarchy programmatically, without using a nib.
- (void)loadView {
}
*/
- (void)viewDidLoad {
[super viewDidLoad];
}
-(void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
CAGradientLayer *bgLayer = [BackgroundLayer gradient];
bgLayer.frame = self.view.bounds;
[self.view.layer insertSublayer:bgLayer atIndex:0];
}
-(void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration {
[[[self.subview.layer sublayers] objectAtIndex:0] setFrame:self.view.bounds]; // Error is here!
}
/*
// Override to allow orientations other than the default portrait orientation.
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
// Return YES for supported orientations
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
*/
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
- (void)viewDidUnload {
}
- (void)dealloc {
[super dealloc];
}
#end
Your view controller does not have a subview property or method. As rmaddy said, change subview to view.

Revert to previous controller after xx amount of seconds

I have a very simple app with very little code. In my ViewController I have done no code, I have only added a navigation bar which contains a next button with a modal to the VideoController. What I would like to achieve is after the next button is pushed in ViewController, allow the user to view VideoController for 5 seconds and then automatically return to the previous ViewController. Here is the code I have added in my VideoController.m
#import "VideoController.h"
#interface VideoController ()
#end
#implementation VideoController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
//code added
[self performSelector:#selector(goBack) withObject:nil afterDelay:5.0];
}
//code added
-(void)goBack{
[self.navigationController popViewControllerAnimated:YES];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
\
#end
I am not receiving any errors however this is not reverting me back to the previous page as desired. What am I missing?
try this code
- (void)viewDidLoad
{
[super viewDidLoad];
//code added
//[self performSelector:#selector(goBack) withObject:nil afterDelay:5.0];
[NSTimer scheduledTimerWithTimeInterval:3.0
target:self
selector:#selector(goBack)
userInfo:nil repeats:NO];
}
//code added
-(void)goBack{
[self.navigationController popViewControllerAnimated:YES];
}

Autolayout IOS 7 Storyboard Force Landscape or Portrait

I have a single storyboard where a majority of the views should be in portrait mode but one should be in Landscape. I've down a significant amount of searching but keep coming up a little blank.
My current implementation which isn't exactly seeming to work as I hoped consists of the following bits of code I've pieced together from this website:
I've made a RotationalViewController which extends from UINavigationController
#import "RotationControlledViewController.h"
#interface RotationControlledViewController ()
#end
#implementation RotationControlledViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
-(BOOL)shouldAutorotate
{
return [[self.viewControllers lastObject] shouldAutorotate];
}
-(NSUInteger)supportedInterfaceOrientations
{
return [[self.viewControllers lastObject] supportedInterfaceOrientations];
}
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation
{
UIInterfaceOrientation ret = [[self.viewControllers lastObject] preferredInterfaceOrientationForPresentation];
return ret;
}
#end
And then I've made a PortraitViewController
#import "PortraitViewController.h"
#interface PortraitViewController ()
#end
#implementation PortraitViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
-(BOOL)shouldAutorotate
{
return YES;
}
- (NSUInteger)supportedInterfaceOrientations
{
return UIInterfaceOrientationMaskPortrait | UIInterfaceOrientationMaskPortraitUpsideDown;
}
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation
{
return UIInterfaceOrientationPortrait;
}
and a LandscapeViewController
#import "LandscapeViewController.h"
#interface LandscapeViewController ()
#end
#implementation LandscapeViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
-(BOOL)shouldAutorotate
{
return YES;
}
-(NSUInteger)supportedInterfaceOrientations
{
return UIInterfaceOrientationLandscapeRight | UIInterfaceOrientationLandscapeLeft;
}
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation
{
return UIInterfaceOrientationLandscapeRight;
}
#end
I have played around with changing some of the settings but to no avail. My general plan of attack has been to make specific view controllers inherit from either LandscapeViewController or PortraitViewController if I want to lock them to a specific orientation.
Things seem to be working for portrait view ( i can lock controllers into portrait view) but I seem unable to load my 1 landscape view and have it a) auto rotate to landscape upon load, or b) rotate to landscape at all.
Any suggestions would be very appreciated.
Applying the solution presented in:
Force controllers to Change their orientation in Either Portrait or Landscape
I was able to make things work.
In both my PortraiteViewController and LandscapeViewControllers I modified the viewDidLoad method to:
PortraiteViewController:
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
[[UIApplication sharedApplication] setStatusBarOrientation:UIInterfaceOrientationPortrait animated:YES];
UIViewController *mVC = [[UIViewController alloc] init];
[self presentModalViewController:mVC animated:NO];
[self dismissModalViewControllerAnimated:NO];
}
LandscapeViewController:
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
[[UIApplication sharedApplication] setStatusBarOrientation:UIInterfaceOrientationLandscapeLeft animated:YES];
UIViewController *mVC = [[UIViewController alloc] init];
[self presentModalViewController:mVC animated:NO];
[self dismissModalViewControllerAnimated:NO];
}
This solution MAY stop working after IOS7 because both presentModalViewController and dismissModalViewController are deprecated.

cannot set the text of label in DetailViewController after passing data between different viewController

pass data from FirstViewController to DetailViewController. i can not set the text of label in DetailViewController; FirstViewController is a tableview and it is good.
i use method updateRowNumber to set the rowNumber . and in DetailViewController, i can use debugger to see the rowNumber is correct. but the label's text is not showed on the view.
anyone can help me out?
in my FirstViewController
- (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
if (dvController == nil)
{
DetailViewController *aController = [[DetailViewController alloc] initWithNibName:#"DetailViewController" bundle:nil];
self.dvController = aController;
[aController release];
}
[[self navigationController] pushViewController:dvController animated:YES];
[dvController updateRowNumber:indexPath.row];
}
in my DetailViewController.h
#import <UIKit/UIKit.h>
#interface DetailViewController : UIViewController
{
int rowNumber;
IBOutlet UILabel *message;
}
#property(readwrite) int rowNumber;
#property(nonatomic, retain) IBOutlet UILabel *message;
- (void) updateRowNumber:(int) theindex;
#end
in my DetailViewController.m
#import "DetailViewController.h"
#interface DetailViewController ()
#end
#implementation DetailViewController
#synthesize message, rowNumber;
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void) updateRowNumber: (int) theindex
{
rowNumber = theindex + 1;
message.text = [NSString stringWithFormat:#"row %i was clicked", rowNumber];
}
- (void)dealloc
{
[message release];
[super dealloc];
}
- (void)viewDidLoad
{
message.text = [NSString stringWithFormat:#"row %i was clicked ", rowNumber];
[super viewDidLoad];
// Do any additional setup after loading the view from its nib.
}
- (void)viewDidUnload
{
[super viewDidUnload];
// Do any additional setup after loading the view from its nib.
}
- (void)viewWillAppear:(BOOL)animated
{
//message.text = [NSString stringWithFormat:#"row %i was clicked ", rowNumber];
[super viewWillAppear: animated];
}
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear: animated];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
#end
You'll need to learn how the view is loaded, the process is well described in the documentation
What happens is that the view and all the outlets are nil until the view is loaded, you can make sure it is loaded by calling self.view; before configuring the outlet at updateRowNumber:
Please also note, you are better to call [super viewDidLoad] in the beginning of the overridden viewDidLoad, it makes sense as you need to let UIViewContorller to do it's staff before you do some customized logic, the dealloc is different as you need to do your logic before the standard NSObject -dealloc fires. Hope it's understandable.

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