i m working on estimote beacon.
I try to present a ViewController when i m in switch Case "immediate". But when i the view is loaded, i have a warning :
2014-03-13 02:44:26.017 ProximityDemo[856:60b] Warning: Attempt to present on whose view is not in the window hierarchy!
Why ? I think the presentView Method is still working while i m on the new view.
Also when i m on the new View , i would like to pop to old view when i m in Case "Near"
I Think i have to implement all the the code in the new ViewController ? (presentProductViewController) Is there a way to have all the proximity/distance controll in only one Controller ?
Here is my code :
ESTViewController :
#import "ESTViewController.h"
#import <ESTBeaconManager.h>
#import "PresentProductViewController.h"
@interface ESTViewController () <ESTBeaconManagerDelegate>
@property (nonatomic, strong) ESTBeaconManager* beaconManager;
@property (nonatomic, strong) ESTBeacon* selectedBeacon;
@end
@implementation ESTViewController
- (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib.
/////////////////////////////////////////////////////////////
// setup Estimote beacon manager
// craete manager instance
self.beaconManager = [[ESTBeaconManager alloc] init];
self.beaconManager.delegate = self;
self.beaconManager.avoidUnknownStateBeacons = YES;
// create sample region object (you can additionaly pass major / minor values)
ESTBeaconRegion* region = [[ESTBeaconRegion alloc] initWithProximityUUID:ESTIMOTEIOSBEACONPROXIMITY_UUID
identifier:@"EstimoteSampleRegion"];
// start looking for estimote beacons in region
// when beacon ranged beaconManager:didRangeBeacons:inRegion: invoked
[self.beaconManager startRangingBeaconsInRegion:region];
}
-(void)beaconManager:(ESTBeaconManager *)manager
didRangeBeacons:(NSArray *)beacons
inRegion:(ESTBeaconRegion *)region
{
if([beacons count] > 0)
{
if(!self.selectedBeacon)
{
// initialy pick closest beacon
self.selectedBeacon = [beacons objectAtIndex:0];
}
else
{
for (ESTBeacon* cBeacon in beacons)
{
// update beacon it same as selected initially
if([self.selectedBeacon.major unsignedShortValue] == [cBeacon.major unsignedShortValue] &&
[self.selectedBeacon.minor unsignedShortValue] == [cBeacon.minor unsignedShortValue])
{
self.selectedBeacon = cBeacon;
}
}
}
// beacon array is sorted based on distance
// closest beacon is the first one
NSString* labelText = [NSString stringWithFormat:
@"Major: %i, Minor: %i\nRegion: ",
[self.selectedBeacon.major unsignedShortValue],
[self.selectedBeacon.minor unsignedShortValue]];
// calculate and set new y position
switch (self.selectedBeacon.proximity)
{
case CLProximityUnknown:
{
labelText = [labelText stringByAppendingString: @"Unknown"];
break;
}
case CLProximityImmediate:
{
labelText = [labelText stringByAppendingString: @"Immediate"];
PresentProductViewController *showViewController = [[PresentProductViewController alloc] initWithNibName:@"PresentProductViewController" bundle:nil];
[self presentViewController:showViewController animated:YES completion:nil];
break;
}
case CLProximityNear:
{
labelText = [labelText stringByAppendingString: @"Near"];
break;
//[self.navigationController popToRootViewControllerAnimated:YES];
//ESTViewController *initViewController = [[ESTViewController alloc]init];
//[self presentViewController:initViewController animated:YES completion:nil];
}
case CLProximityFar:
{
labelText = [labelText stringByAppendingString: @"Far"];
break;
}
default:
break;
}
self.distanceLabel.text = labelText;
}
}
- (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated.
PresentProductViewController :
#import "PresentProductViewController.h"
#import <ESTBeaconManager.h>
#import "ESTViewController.h"
@interface PresentProductViewController () <ESTBeaconManagerDelegate>
@property (nonatomic, strong) ESTBeaconManager* beaconManager;
@property (nonatomic, strong) ESTBeacon* selectedBeacon;
@end
@implementation PresentProductViewController
(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 from its nib.
[self.activityIndicator startAnimating];
/////////////////////////////////////////////////////////////
// setup Estimote beacon manager
// craete manager instance
self.beaconManager = [[ESTBeaconManager alloc] init];
self.beaconManager.delegate = self;
self.beaconManager.avoidUnknownStateBeacons = YES;
// create sample region object (you can additionaly pass major / minor values)
ESTBeaconRegion* region = [[ESTBeaconRegion alloc] initWithProximityUUID:ESTIMOTEIOSBEACONPROXIMITY_UUID
identifier:@"EstimoteSampleRegion"];
// start looking for estimote beacons in region
// when beacon ranged beaconManager:didRangeBeacons:inRegion: invoked
[self.beaconManager startRangingBeaconsInRegion:region];
}
-(void)beaconManager:(ESTBeaconManager *)manager
didRangeBeacons:(NSArray *)beacons
inRegion:(ESTBeaconRegion *)region
{
if([beacons count] > 0)
{
if(!self.selectedBeacon)
{
// initialy pick closest beacon
self.selectedBeacon = [beacons objectAtIndex:0];
}
else
{
for (ESTBeacon* cBeacon in beacons)
{
// update beacon it same as selected initially
if([self.selectedBeacon.major unsignedShortValue] == [cBeacon.major unsignedShortValue] &&
[self.selectedBeacon.minor unsignedShortValue] == [cBeacon.minor unsignedShortValue])
{
self.selectedBeacon = cBeacon;
}
}
}
// beacon array is sorted based on distance
// closest beacon is the first one
self.labelText.text = [NSString stringWithFormat:
@"Major: %i, Minor: %i\nRegion: ",
[self.selectedBeacon.major unsignedShortValue],
[self.selectedBeacon.minor unsignedShortValue]];
// calculate and set new y position
switch (self.selectedBeacon.proximity)
{
case CLProximityUnknown:
{
self.labelText.text = [self.labelText.text stringByAppendingString: @"Unknown"];
break;
}
case CLProximityImmediate:
{
self.labelText.text = [self.labelText.text stringByAppendingString: @"Immediate"];
break;
}
case CLProximityNear:
{
self.labelText.text = [self.labelText.text stringByAppendingString: @"Near"];
break;
//UIStoryboard *storyBoard = [UIStoryboard storyboardWithName:@"Main.storyboard" bundle:nil];
//UIViewController *initViewController = [storyBoard instantiateInitialViewController];
//[self.navigationController pushViewController:initViewController animated:YES];
//ESTViewController *initViewController = [[ESTViewController alloc]init];
//[self presentViewController:initViewController animated:YES completion:nil];
//[self.navigationController popToRootViewControllerAnimated:YES];
}
case CLProximityFar:
{
self.labelText.text = [self.labelText.text stringByAppendingString: @"Far"];
break;
}
default:
break;
}
}
}
-(void)viewDidDisappear:(BOOL)animated
{
[self.activityIndicator stopAnimating];
}
- (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. }
@end