accessory

I'm trying to figure out why my application does not start communicating with the USB accessory after the phone restarts. If I unplug the cable and plug it back in, the communication resumes. The application is targeted at Android API 19. At the app install I set it to always be the Home app and when I first connect it to the accessory I check the box to always permit the access to the current accessory. So when I restart the phone, the app opens up automatically, it goes through the steps of checking for permission ( usbmanager.hasPermission ) and it actually has the permission without any

Closed. This question is off-topic. It is not currently accepting answers. Learn more . Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 4 years ago . I am looking for some good resources to learn the External Accessory framework, specially the "Bluetooth accessory interfacing". I know there is a book by Ken Maskrey for learning the External Accessory framework but this book does not cover the bluetooth communication. Some blog posts with some sample codes will be greatly appreciated Thanks Much! lxt Are you an approved Made for iPhone/iPod program

I have a class that manages messages coming from and going to an external accessory to an iPad. In the init I have the following code: - (id) init { self = [super init]; if (!self) return; [[EAAccessoryManager sharedAccessoryManager] registerForLocalNotifications]; //we want to hear about accessories connecting and disconnecting [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(accessoryDidConnect:) name:EAAccessoryDidConnectNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(accessoryDidDisconnect:) name

I am using EAWiFiUnconfiguredAccessoryBrowser to detect EAWiFiUnconfiguredAccessory . The code to start the accessory search it's the following: - (void)viewDidLoad { [super viewDidLoad]; if (_accessories == nil) { _accessories = [[NSMutableArray alloc] init]; } if (_browser == nil) { _browser = [[EAWiFiUnconfiguredAccessoryBrowser alloc] initWithDelegate:self queue:nil]; _browser.delegate = self; } } Unfortunately it does find accessories only the first time the View loads. If I go back to the previous view and then reload the view it does not find them. I tried: recreating the browser