CHLibrarian

NSString *updatedAlias = @"[email protected]";
NSString *updatedTag1 = @"Austin";
NSString *updatedTag2 = @"Field Rep";
// Update device with new alias and tags
[[CCHDevice sharedInstance] setAlias:updatedAlias tags:@[updatedTag1, updatedTag2] completionHandler:^(NSDictionary *device, NSError *error)completionHandler {
    if (!error) {
        NSLog(@"Device alias/tag updated");
    } else {
        NSLog(@"Failed to set new alias/tag for device in ContextHub");
    }

CHLibrarian

NSString *deviceTag1 = @"Houston";
NSString *deviceTag2 = @"Engineer";
// Retrieve all devices that have the tag "Houston" and "Engineer"
[[CCHDevice sharedInstance] getDevicesWithTags:@[deviceTag1, deviceTag2] completionHandler:^(NSArray *devices, NSError *error)completionHandler {
    if (!error) {
        // Access individual devices here
        NSArray *retrievedDevices = devices;
    } else {
        NSLog(@"Error retrieving devices by tags from ContextHub");
    }

CHLibrarian

NSString *deviceAlias = @"[email protected]";
// Retrieve devices with alias "[email protected]"
[[CCHDevice sharedInstance] getDevicesWithAlias:deviceAlias completionHandler:^(NSArray *devices, NSError *error)completionHandler {
    if (!error) {
        // Access individual devices here
        NSArray *retrievedDevices = devices;
    } else {
        NSLog(@"Error retrieving devices by alias from ContextHub");
    }
}];

CHLibrarian

NSString *deviceToRetrieveID = @"76BC4719-6344-4E62-8FA2-F00A8D29B60E";
// Retrieve device from ContextHub
[[CCHDevice sharedInstance] getDeviceWithId:deviceToRetrieveID completionHandler:^(NSDictionary *device, NSError *error)completionHandler {
    if (!error) {
        NSString *deviceID = device[@"id"];
        NSString *deviceType = device[@"device_type"];
        
        // Not present if not previously set
        NSString *deviceAlias = device[@"alias"];
        NSArray *deviceTags = device[@"tags"];

CHLibrarian

// Retrieve device ID (in standard 8-4-4-4-12 UUID format, ex: 76BC4719-6344-4E62-8FA2-F00A8D29B60E)
NSString *deviceID = [CCHDevice deviceID];

CHLibrarian

NSString *logMessage = @"Logging message";
NSDictionary *logDictionary = @{@"key1": @"value1", @"key2": @"value2"};
// Logging a message and a custom valid-JSON dictionary to ContextHub
[[CCHLog sharedInstance] log:logMessage userInfo:logDictionary completionHandler:(void (^)(NSError *error))completionHandler {
    if (!error) {
        NSLog(@"Message logged successfully");
    } else {
        NSLog(@"Failed to log message to Contexthub");
    }
}];

CHLibrarian

public class MyContextHubApp extends Application {
 
    @Override
    public void onCreate() {
        super.onCreate();
 
        // Register with ContextHub
        ContextHub.init(this, "YOUR-APP-ID-HERE");
    }
}

CHLibrarian

@Override
public void onResume() {
    super.onResume();

    // start listening to events
    ContextHub.getInstance().addSensorPipelineListener(this);
}

@Override
public void onPause() {

CHLibrarian

// Unsubscribing from  tag "my-tag-2"
// We want to unsubscribe from tag "my-tag-2", so we specify the REMOVE operation and the tag to remove.
SubscriptionProxy proxy = new SubscriptionProxy();
List<String> tagList = Arrays.asList("my-tag-2");
List<String> subscriptionTypes = Arrays.asList("beacon", "geofence", "vault");
proxy.updateSubscriptions(SubscriptionOperation.REMOVE, tagList, subscriptionTypes, new Callback<SubscriptionResponse>() {
            @Override
            public void onSuccess(SubscriptionResponse result) {
                Toast.makeText(getActivity(), ("Beacon, geofence, and vault subscriptions removed", Toast.LENGTH_SHORT).show();
            }

CHLibrarian

// Getting tag subscriptions
SubscriptionProxy proxy = new SubscriptionProxy();
proxy.listSubscriptions(new Callback<SubscriptionResponse>() {
            @Override
            public void onSuccess(SubscriptionResponse result) {
                Log.d(TAG, result.getBeaconSubscription().toString());
                Log.d(TAG, result.getGeofenceSubscription().toString());
                Log.d(TAG, result.getVaultSubscription().toString());
            }