Class App

Namespace: Headjack

This static class is the starting point for all the functionality of the Headjack SDK

Fields

camera

Transform of headjack's camera

Declaration

public static Transform camera

Field Value

Type	Description
Transform	Transform in the middle of both eyes

Remarks

Note

GameObject associated with this Transform does not necessarily have a Camera component

CameraParent

VR Camera GameObject

Declaration

public static GameObject CameraParent

Field Value

Type	Description
GameObject	GameObject of the active VR Camera

Remarks

Note

For Camera Position or Rotation, please use camera. For Disabling or Enabling the Camera, please use SetCamera(Boolean, Boolean)

Crosshair

Headjack's default crosshiar

Declaration

public static Crosshair Crosshair

Field Value

Type	Description
Crosshair	Crosshair class with all settings

CrosshairHit

All raycast information about what the user is looking at

Declaration

public static RaycastHit CrosshairHit

Field Value

Type	Description
RaycastHit	RaycastHit information

Remarks

Note

Use IsCrosshairHit(GameObject, out RaycastHit, App.RaycastSource) to quickly check if an certain object is being looked at

Examples

public float DistanceToObjectLookingAt
{
    return App.CrosshairHit.distance;
}

CurrentProject

The id of the project that is currently being played

Declaration

public static string CurrentProject

Field Value

Type	Description
System.String	The id of the project that is currently being played

CurrentVideo

The id of the video that is currently being played

Declaration

public static string CurrentVideo

Field Value

Type	Description
System.String	The id of the video that is currently being played

LaserHit

All raycast information about what the user is pointing at with the motion controller

Declaration

public static RaycastHit LaserHit

Field Value

Type	Description
RaycastHit	RaycastHit information

Remarks

Note

Use IsCrosshairHit(GameObject, out RaycastHit, App.RaycastSource) to quickly check if an certain object is being aimed at

Examples

public Vector3 AimingLocation
{
    return App.LaserHit.point;
}

NO_CATEGORY

Pass this string to GetProjects(String, Int32, Int32) to get all projects with explicitly no category set

Declaration

public const string NO_CATEGORY = "NO_CATEGORY"

Field Value

Type	Description
System.String

Player

The video player instance

Declaration

public static VideoPlayerBase Player

Field Value

Type	Description
VideoPlayerBase	The video player instance with it's own functions and variables, see VideoPlayerBase

TouchHit

All raycast information about what the user is touching on screen (Cardboard)

Declaration

public static RaycastHit TouchHit

Field Value

Type	Description
RaycastHit	RaycastHit information

Remarks

Note

Use IsCrosshairHit(GameObject, out RaycastHit, App.RaycastSource) to quickly check if an certain object is being touched

Examples

public GameObject ObjectTouching
{
    return App.TouchHit.collider.gameObject;
}

Properties

CameraScale

Changing the camera scale will Shrink or Enlarge the world around you. Useful if an interface needs to get just a little bigger or smaller

Declaration

public static float CameraScale { get; set; }

Property Value

Type	Description
System.Single	Returns the current camera scale

Remarks

Note

Will clamp between 0.01 and 100

Examples

// Shrink or grow with the arrow keys
void Update()
{
    if (Input.GetKeyDown(KeyCode.UpArrow))
    {
        App.CameraScale+=1;
    }
    if (Input.GetKeyDown(KeyCode.DownArrow))
    {
        App.CameraScale-=1;
    }
}

CinemaConnected

Returns whether the Cinema server connection is live/online

Declaration

public static bool CinemaConnected { get; }

Property Value

Type	Description
System.Boolean	True if Cinema server connection is live, otherwise false

Examples

// Enable a gameobject only if Cinema server connection is online
public void ToggleGameObjectOnCinemaConnect(GameObject toggleThis) {
    toggleThis.SetActive(App.CinemaConnected);
}

CinemaSupported

Returns whether the current template supports Cinema, and if this app is allowed to use it

Declaration

public static bool CinemaSupported { get; }

Property Value

Type	Description
System.Boolean	True if Cinema is supported and allowed

Remarks

Note

Only valid after initialization

Examples

// Enable a gameobject only if Cinema is allowed
public void ToggleGameObjectOnCinemaSupported(GameObject toggleThis) {
    toggleThis.SetActive(App.CinemaSupported);
}

CurrentPlatform

Checks the current platform

Declaration

public static App.VRPlatform CurrentPlatform { get; }

Property Value

Type	Description
App.VRPlatform	The current platform Headjack is running on

Remarks

Note

For testing: You can change this in the Headjack settings window

Examples

void LogCurrentPlatform()
{
#if UNITY_ANDROID
if (App.CurrentPlatform == App.VRPlatform.Oculus)
{
    Debug.Log("This app is running on Oculus Go/Quest");
}
if (App.CurrentPlatform == App.VRPlatform.Cardboard)
{
    Debug.Log("This app is running on Android Cardboard");
}
#endif
#if UNITY_IOS
if (App.CurrentPlatform == App.VRPlatform.Cardboard)
{
    Debug.Log("This app is running on iOS Cardboard");
}
#endif
#if UNITY_STANDALONE
if (App.CurrentPlatform == App.VRPlatform.Oculus)
{
    Debug.Log("This app is running on Oculus Rift");
}
if (App.CurrentPlatform == App.VRPlatform.OpenVR)
{
    Debug.Log("This app is running on HTC Vive");
}
#endif
}

EnableOVRPlatformMenu

If true, the back button on the Oculus Mobile platforms will open the Oculus Platform Menu. You can disable this when the user goes out of the menu and in a video.

Declaration

public static bool EnableOVRPlatformMenu { get; set; }

Property Value

Type	Description
System.Boolean	If the platform menu is enabled

Remarks

Note

Oculus Mobile platforms only

Warning

If disabled, make sure that the back button will always bring you back to the "upper menu" where it is enabled. The user must always be able to reach the Oculus platform menu by keep pressing the back button.

Examples

// Disable when playing a video
void PlayVideo(string id)
{
    App.EnableOVRPlatformMenu=false;
    App.Play(id, true, true, null);
}

ForceConservativeVideoSupport

Force conservative video downloads/streams, where the maximum resolution is capped at UHD (not recommended).

Declaration

public static bool ForceConservativeVideoSupport { get; set; }

Property Value

Type	Description
System.Boolean

IsPublished

Returns whether app has published state set in Headjack

Declaration

public static bool IsPublished { get; }

Property Value

Type	Description
System.Boolean	True if the app is set to published in Headjack (and is therefore available to use)

Remarks

Warning

If an app is set to unpublished in Headjack, the app will receive no media information, like projects, videos or thumbnails.

Examples

// Show message to the user when app is unpublished
public void MessageUserUnpublished() 
{
    if (!Headjack.App.IsPublished)
    {
        Headjack.App.ShowMessage("This app is not published and is currently unavailable!", 5);
    }
}

IsVRMode

Returns whether app is currently running in VR mode (e.g. stereo display), or not (e.g. fullscreen cardboard menu)

Declaration

public static bool IsVRMode { get; }

Property Value

Type	Description
System.Boolean	True if the app is currently running in VR mode

Examples

// Show message to the user when not in VR mode
public void MessageUserNotVR() 
{
    if (!Headjack.App.IsVRMode)
    {
        Headjack.App.ShowMessage("You are currently not in VR mode", 5);
    }
}

ShowCrosshair

Headjack's crosshair

Declaration

public static bool ShowCrosshair { get; set; }

Property Value

Type	Description
System.Boolean	True if the crosshair is currently visible

Examples

public void HideCrosshair() 
{
    App.ShowCrosshair=false;
}

Methods

CanBeDownloaded(String)

Check if a project's contents can be downloaded.

Declaration

public static bool CanBeDownloaded(string projectId)

Parameters

Type	Name	Description
System.String	projectId	Project id

Returns

Type	Description
System.Boolean	true if the project can be downloaded

Examples

public bool DownloadIfPossible(ProjectId)
{
    if(App.CanBeDownloaded(ProjectId))
    {
        App.Download(ProjectId);
        return true;
    }else{
        return false;
    }
}

Cancel(String)

Cancel an active download

Declaration

public static void Cancel(string ProjectId)

Parameters

Type	Name	Description
System.String	ProjectId	Project download to cancel

Examples

public void CancelAllDownloads()
{
    string[] projects = App.GetProjects();
    foreach (string project in projects)
    {
        App.Cancel(project);
    }
}

Delete(String)

Delete all local files of a project

Declaration

public static void Delete(string ProjectId)

Parameters

Type	Name	Description
System.String	ProjectId	The project id

Examples

public void DeleteAllProjects()
{
    string[] projects = App.GetProjects();
    foreach (string project in projects)
    {
        App.Delete(project);
    }
}

DestroyVideoPlayer()

Destroys the active videoplayer

Declaration

public static void DestroyVideoPlayer()

Examples

GameObject menuObject;
public void BackToMenu()
{
App.DestroyVideoPlayer();
menuObject.SetActive(true);
}

Download(String, Boolean, OnEnd)

Download all files in a project

Declaration

public static void Download(string ProjectId, bool WifiOnly = false, OnEnd onEnd = null)

Parameters

Type	Name	Description
System.String	ProjectId	The project you want to download
System.Boolean	WifiOnly	Only download when connected to Wifi
OnEnd	onEnd	Will be called when the download is finished

Remarks

Note

Will call onEnd with (false,"NoWifi") if WifiOnly is true and there is no wifi connection

Examples

public string id;
public void DownloadAndPlayFirstVideo()
{
    id = App.GetProjects()[0];
    App.Download(id, true, OnDownloaded);
}
public void OnDownloaded(bool succes, string error)
{
    if (succes)
    {
        App.Play(id, false, false, null);
    }else{
    Debug.Log(error);
}
}

DownloadAllTextures(OnEnd, Boolean, OnImageProgress)

Download and import all textures

Declaration

public static void DownloadAllTextures(OnEnd OnLoaded = null, bool GenerateMipmaps = true, OnImageProgress progressListener = null)

Parameters

Type	Name	Description
OnEnd	OnLoaded	Will be called when done
System.Boolean	GenerateMipmaps	Automatically generate mipmaps after importing
OnImageProgress	progressListener

Remarks

Note

Will only download textures once, or when they are updated on the server

Examples

public void LoadTextures()
{
    App.LoadAllTextures(OnReady);
}
public void OnReady(bool Succes)
{
    if (Succes)
    {
        print("Got all textures!");
    } else
    {
        print("Could not load the textures");
    }
}

DownloadSingleMedia(String, Boolean, OnEnd)

Download a single media item (e.g. media from a custom variable)

Declaration

public static void DownloadSingleMedia(string mediaId, bool wifiOnly, OnEnd onEnd = null)

Parameters

Type	Name	Description
System.String	mediaId	ID of media item that will be downloaded
System.Boolean	wifiOnly	Set to true to only download over wifi and not use mobile data
OnEnd	onEnd	This delegate is called when the download has finished (or failed)

Remarks

Note

mediaId must be a media item either from a custom variable or a thumbnail of a project or category used in the app

Note

Videos in projects are special entries on the server and do not have a media ID

Note

onEnd returns bool indicating success of download and a string containing error message if unsuccessful

Examples

// download a specific custom media variable
public void DownloadFirstExtraMedia()
{
    App.DownloadSingleMedia(Headjack.CustomVariables.GetVariable<string>("a_media_variable"), false,
        delegate (bool success, string error)
        {
            if (success)
            {
                Debug.Log("Downloaded a_media_variable media");
            }
            else
            {
                Debug.LogError("Downloading a_media_variable media failed!");
            }
        });
}

DownLoadSingleTexture(String, OnEnd, Boolean, Boolean)

Download and import a texture

Declaration

public static void DownLoadSingleTexture(string Id, OnEnd OnLoaded = null, bool UnscaledSlow = false, bool GenerateMipmaps = true)

Parameters

Type	Name	Description
System.String	Id
OnEnd	OnLoaded	Will be called when done
System.Boolean	UnscaledSlow	Get the raw image from the server
System.Boolean	GenerateMipmaps	Automatically generate mipmaps after importing

Remarks

Note

Will only download the texture once, or when it is updated on the server

Warning

Headjack automatically converts images, these have a maximum resolution of 1024x1024. You can download and import the original file by setting "UnscaledSlow" to true. However, keep in mind that this can generate CPU spikes and some devices do not support textures higher then 2048x2048.

Examples

public void DownLoadSingleTexture()
{
    App.LoadAllTextures("12345678",OnReady);
}
public void OnReady(bool Succes)
{
    if (Succes)
    {
        print("Got the texture!");
    } else
    {
        print("Could not download the texture");
    }
}

Fade(Boolean, Single, OnEnd)

Fade screen to or from black

Declaration

public static void Fade(bool ToBlack, float Time = 1F, OnEnd OnFade = null)

Parameters

Type	Name	Description
System.Boolean	ToBlack	True to fade to black (fade out), false to fade from black (fade in)
System.Single	Time	Duration of the fade effect in seconds
OnEnd	OnFade	Event function that gets executed when fade is completed

Remarks

Note

Use this function to hide stutter, by fading to black before heavy loading

Note

The parameters of OnFade (bool success, string error) are unused

Examples

UnityEngine.GameObject interface;
// This function fades the screen to black for 1.5 seconds and then disables the 'interface' GameObject
// Another function has to fade the screen back in, or the screen will remain black
void FadeOutInterface()
{
    App.Fade(true, 1.5f, delegate (bool success, string error) {interface.SetActive(false);});
}

GetAdditionalMedia()

Get IDs of extra media items from server

Declaration

[Obsolete("Additional media has been superseded by template variables. Please use Headjack.CustomVariables.GetVariable<string>(string variable) instead.")]
public static List<string> GetAdditionalMedia()

Returns

Type	Description
System.Collections.Generic.List<System.String>	List of ID strings of extra media items as entered on Headjack "Edit app" page

Remarks

Note

Download a media item from this list using DownloadSingleMedia(String, Boolean, OnEnd)

Note

Load the downloaded media as texture using DownLoadSingleTexture(String, OnEnd, Boolean, Boolean)

Note

Get metadata for media item using GetMediaMetadata(String)

Examples

// return number of extra media items
public int GetNumberOfExtraMedia()
{
    return App.GetAdditionalMedia().Count;
}

GetAppMetadata()

Get metadata for the app

Declaration

public static App.AppMetadata GetAppMetadata()

Returns

Type	Description
App.AppMetadata	App.AppMetadata class containing metadata for app

Examples

bool IsMyAppPublished()
{
    return Headjack.App.GetAppMetadata().Published;               
}

GetCategories()

Get all (sub)category IDs used in this app.

Declaration

public static string[] GetCategories()

Returns

Type	Description
System.String[]	a string array containing all category IDs

GetCategoryMetadata(String)

Get metadata for category

Declaration

public static App.CategoryMetadata GetCategoryMetadata(string categoryId)

Parameters

Type	Name	Description
System.String	categoryId	ID of category

Returns

Type	Description
App.CategoryMetadata	App.CategoryMetadata class containing metadata for category, or null when invalid category ID

Examples

// return a list of all category names
public List<String> AllCategoryNames
{
    List<String> names = new List<String>();
    foreach(string id in App.GetCategories())
    {
        names.Add(App.GetCategoryMetadata(id).Name);
    }
    return names;
}

GetColor(String, Color)

Get the app colors, from the server

Declaration

[Obsolete("Please use CustomVariables.GetVariable<Color>() instead.")]
public static Color GetColor(string Key, Color DefaultValue)

Parameters

Type	Name	Description
System.String	Key
Color	DefaultValue

Returns

Type	Description
Color	Returns the color given in Key

Examples

public Color GetBackgroundColor(string key)
{
    return App.GetColor(key,Color.black);
}

GetCustomVariable(String)

Access custom template variables, downloaded from Headjack

Declaration

[Obsolete("Please use CustomVariables.GetVariable<string>() instead.")]
public static string GetCustomVariable(string key)

Parameters

Type	Name	Description
System.String	key	String key/name identifying the custom variable

Returns

Type	Description
System.String	Returns the string value corresponding to the custom variable key, or null of key does not exist

Examples

// Get a Texture object of an additional media item, whose id is passed to this
// template using a custom variable called "menu_background_image_id"
public Texture2D getBackgroundTexture()
{
    return App.GetImage(App.GetCustomVariable("menu_background_image_id"));
}

GetCustomVideoParam(String, String, out Int32)

Get metadata for video associated with project ID

Declaration

public static bool GetCustomVideoParam(string id, string paramName, out int paramVal)

Parameters

Type	Name	Description
System.String	id	Project ID or Video ID to retrieve custom parameter from
System.String	paramName	Custom video parameter identifier
System.Int32	paramVal	Value of custom video parameter

Returns

Type	Description
System.Boolean	Whether parameter with paramName could be retrieved

Remarks

Note

Available video params depends on VideoMetadata.ProjectionType

Note

EQUIRECT projection has "FovX" and "FovY" int params for horizontal and vertical field of view

Note

FLAT projection has "OrgX" and "OrgY" int params for original video width and height in pixels

GetDescription(String)

Get the Description of the given project

Declaration

public static string GetDescription(string ProjectId)

Parameters

Type	Name	Description
System.String	ProjectId	The project id

Returns

Type	Description
System.String	The description of the project with ProjectId, null if the project has no description

Remarks

Note

To get a list with available projects, use GetProjects(String, Int32, Int32)

Warning

When using this, make sure to check if the string is not null before using to avoid NullReference exceptions

Examples

public string GetFirstDescription()
{
    string[] ids = App.GetProjects();
    return App.GetDescription(ids[0]);
}

GetImage(String, Boolean)

Get a downloaded texture from te server

Declaration

public static Texture2D GetImage(string Id, bool UnscaledSlow = false)

Parameters

Type	Name	Description
System.String	Id	Project id or media id
System.Boolean	UnscaledSlow	Get the raw texture

Returns

Type	Description
Texture2D	Texture 2d of given project/media id. Returns null if the media file doesn exists. Returns null if the given project doesn't have a thumbnail attached

Remarks

Warning

When using this, make sure to check if the Texture is not null before using to avoid NullReference errors

Examples

public void ApplyTexture(string MediaId)
{
    GetComponent<MeshRenderer>().material.mainTexture = App.GetImage(MediaId);
}

GetMediaDownloadedBytes(String)

Get the progress of an individual media download in bytes

Declaration

public static long GetMediaDownloadedBytes(string MediaId)

Parameters

Type	Name	Description
System.String	MediaId	The media (by ID) to check

Returns

Type	Description
System.Int64	The download progress in bytes, -1 when not currently downloading

Remarks

Note

Use GetMediaMetadata(String) to get media item's total size in bytes

Note

Video IDs are not supported, use GetProjectProgress(String) instead

Examples

public string GetDetailedDownloadProgress(string mediaId)
{
    long progress = App.GetMediaDownloadedBytes(mediaId);
    if (progress < 0) {
        return "not downloading";
    }
    return progress + "/" + App.GetMediaMetadata(mediaId).FileSize;
}

GetMediaFullPath(String)

Get the full local path to a downloaded media file

Declaration

public static string GetMediaFullPath(string Id)

Parameters

Type	Name	Description
System.String	Id	ID of the media item

Returns

Type	Description
System.String	full local path to media item with Id (file may not exist if not downloaded), or null if Id is incorrect

Examples

// Download and load a video from a specific custom variable into the Unity VideoPlayer
public void LoadMenuVideo(UnityEngine.Video.VideoPlayer player)
{
    // get the video ID by getting it from a specific named custom variable
    string videoId = Headjack.CustomVariables.GetVariable<string>("menu_video");
    // download the video file
    Headjack.App.DownloadSingleMedia(videoId, false, delegate (bool success, string error)
    {
        // if the video successfully downloaded, load that video into the Unity VideoPlayer
        if (success)
        {
            player.url = Headjack.App.GetMediaFullPath(videoId);
        }
    });
}

GetMediaMetadata(String)

Get metadata for media item

Declaration

public static App.MediaMetadata GetMediaMetadata(string mediaId)

Parameters

Type	Name	Description
System.String	mediaId	ID of media item

Returns

Type	Description
App.MediaMetadata	App.MediaMetadata class containing metadata for media item, or null when invalid mediaId

Remarks

Note

mediaId must be a media item either from a custom variable or a thumbnail of a project or category used in the app

Note

Videos in projects are special entries on the server and do not have a media ID

Examples

// return filesize of specific custom media variable (or -1 if custom variable fails to return media)
public long GetCustomFileSize()
{
    // try to get media id from custom variable named a_media_variable
    string mediaId;
    if (Headjack.CustomVariables.TryGetVariable<string>("a_media_variable", out mediaId))
    {
        App.MediaMetadata mediaMetaData = Headjack.App.GetMediaMetadata(mediaId);
        if (mediaMetaData != null)
        {
            return mediaMetaData.FileSize;
        }
    }
    return -1;
}

GetMediaProgress(String)

Get the download progress of an individual media item in percentage (0 to 100)

Declaration

public static float GetMediaProgress(string MediaId)

Parameters

Type	Name	Description
System.String	MediaId	The media (by ID) to check

Returns

Type	Description
System.Single	The download progress from 0 to 100, -1 when not currently downloading or total size unknown

Remarks

Note

The returned value is not rounded, for displaying smooth loading bars

Note

Video IDs are not supported, use GetProjectProgress(String) instead

Examples

public string GetProgressText(string mediaId)
{
    float progress = App.GetMediaProgress(mediaId);
    if (progress < 0) {
        return "-%";
    }
    return Mathf.FloorToInt(progress).ToString() + "%";
}

GetProjectMetadata(String, App.ByteConversionType)

Get metadata of project

Declaration

public static App.ProjectMetadata GetProjectMetadata(string projectId, App.ByteConversionType FileSizeFormat = App.ByteConversionType.Megabytes)

Parameters

Type	Name	Description
System.String	projectId	Project ID whose video metadata to retrieve
App.ByteConversionType	FileSizeFormat	Filesize format of TotalSize in return class

Returns

Type	Description
App.ProjectMetadata	App.ProjectMetadata class containing metadata for project, null when projectId is invalid

Remarks

Note

Use GetProjects(String, Int32, Int32) to get a list of Project IDs for this App

Note

Some variables in the returned App.ProjectMetadata class can be null if the project is missing data (e.g. does not have a thumbnail)

Examples

// Set text of 3D Text Mesh to filesize (in MB) of project with projectId
void SetProjectSize(string projectId, UnityEngine.TextMesh projectSizeText)
{
    float projectSize = Headjack.App.GetProjectMetadata(projectId, Headjack.App.ByteConversionType.Megabytes).TotalSize;
    // set 3D text to <projectSize> MB (projectSize is rounded to 2 decimal points)
    projectSizeText.text = projectSize.ToString("2n") + " MB";
}

GetProjectProgress(String)

Get the download progress of a project (0 to 100)

Declaration

public static float GetProjectProgress(string ProjectId)

Parameters

Type	Name	Description
System.String	ProjectId	The project to check

Returns

Type	Description
System.Single	The download progress from 0 to 100, -1 on fail

Remarks

Note

The returned value is not rounded, for displaying smooth loading bars

Examples

public string GetProgressText(string projectid)
{
    if (!App.ProjectIsDownloading(projectid))
    {
        return null;
    }
    float progress = App.GetProjectProgress(projectid);
    return Mathf.FloorToInt(progress).ToString() + "%";
}

GetProjects(String, Int32, Int32)

Contains all available projects from the server

Declaration

public static string[] GetProjects(string CategoryId = null, int MaxPageSize = -1, int CurrentPage = 0)

Parameters

Type	Name	Description
System.String	CategoryId	Only return projects that fit in this category filter
System.Int32	MaxPageSize	Only return a part from the list
System.Int32	CurrentPage	The part of the list to return. Starting at 0

Returns

Type	Description
System.String[]	A list with project ids

Remarks

Note

Use GetCategories() To get all available categories.

Examples

//In this case, 5 projects per page
public string[] WhatsOnTheFirstPage
{
    return App.GetProjects(null,5,0);
}
public string[] WhatsOnTheLastPage
{
    return App.GetProjects(null,5,int.MaxValue);
}

GetTitle(String)

Get the title of the given project

Declaration

public static string GetTitle(string Id)

Parameters

Type	Name	Description
System.String	Id

Returns

Type	Description
System.String	The title of the project with ProjectId

Remarks

Note

To get a list with available projects, use GetProjects(String, Int32, Int32)

Examples

public string GetFirstTitle()
{
    string[] ids = App.GetProjects();
    return App.GetTitle(ids[0]);
}

GetTrackingOrigin()

Gets whether to Unity scene is centered on the floor level or the eye level

Declaration

public static App.TrackingOrigin GetTrackingOrigin()

Returns

Type	Description
App.TrackingOrigin

GetVideoMetadata(String)

Get metadata for video associated with project ID

Declaration

public static App.VideoMetadata GetVideoMetadata(string Id)

Parameters

Type	Name	Description
System.String	Id	Project ID whose video metadata to retrieve

Returns

Type	Description
App.VideoMetadata	App.VideoMetadataclass containing metadata for video item, or null when invalid Project ID or project without video

Remarks

Note

Use GetProjects(String, Int32, Int32) to get a list of Project IDs for this App

Note

To get filesize and other information about a project, use GetProjectMetadata(String, App.ByteConversionType)

Examples

// Returns string with duration of video in n-th project (first = 0, second = 1, etc. project in App)
// in format MM:SS (M = minutes, S = seconds)
string GetFormattedVideoDuration(int projectIndex)
{
    string[] projects = Headjack.App.GetProjects();
    // if projectIndex is invalid (negative or larger than number of projects), return empty string
    if (projectIndex < 0 || projectIndex >= projects.Length) 
    {
        return "";
    }
    return Headjack.App.GetVideoMetadata(projects[projectIndex]).DurationMMSS;               
}

GetVideoStreamUrl(String)

Get the URL to a video when streaming

Declaration

public static string GetVideoStreamUrl(string VideoId)

Parameters

Type	Name	Description
System.String	VideoId	ID of the video, see VideoId

Returns

Type	Description
System.String	URL to the video stream (usually to .m3u8 HLS playlist or direct .mp4 video file). Returns null if VideoId could not be found or if video cannot be streamed.

GotFiles(String)

Check if you have all the files of a project

Declaration

public static bool GotFiles(string ProjectId)

Parameters

Type	Name	Description
System.String	ProjectId	Project to check

Returns

Type	Description
System.Boolean	True if you have all the files

Remarks

Note

Does not check if you have the latest version of the files, for that see UpdateAvailable(String)

Examples

public void StreamOnlyWhenFilesAreNotPresent(string projectid)
{
    if (App.GotFiles(projectid))
    {
        App.Play(projectid, false, false, null);
    }
    else
    {
        App.Play(projectid, true, true, null);
    }
}

GotMediaFile(String)

Check if a Media file is already downloaded

Declaration

public static bool GotMediaFile(string MediaId)

Parameters

Type	Name	Description
System.String	MediaId

Returns

Type	Description
System.Boolean

Initialize(OnEnd, Boolean, Boolean, String)

Initialize the app and download necessary data

Declaration

public static void Initialize(OnEnd OnReady, bool autoCreateCamera = true, bool cardboardStereoMode = true, string customHost = null)

Parameters

Type	Name	Description
OnEnd	OnReady	Will be called when done
System.Boolean	autoCreateCamera	Also activate the VR camera
System.Boolean	cardboardStereoMode	(cardboard) VR Mode enabled for cardboard
System.String	customHost	Use a custom hosted app metadata file (contact [email protected] for more information)

Remarks

Note

Must be called before all other Headjack operations

Examples

public void Initialize()
{
    App.Initialize(OnReady);
}
public void OnReady(bool Succes)
{
    if (Succes)
    {
        print("Initialized!");
    } else
    {
        print("No internet connection");
    }
}

Initialize(OnEnd, Boolean, Boolean, String, String, String)

Declaration

public static void Initialize(OnEnd OnReady, bool autoCreateCamera, bool cardboardStereoMode, string appId, string authKey, string customHost = null)

Parameters

Type	Name	Description
OnEnd	OnReady
System.Boolean	autoCreateCamera
System.Boolean	cardboardStereoMode
System.String	appId
System.String	authKey
System.String	customHost

IsCrosshairHit(Collider, App.RaycastSource)

Returns true if the user is aiming at the target

Declaration

public static bool IsCrosshairHit(Collider target, App.RaycastSource raycastSource = App.RaycastSource.Gaze)

Parameters

Type	Name	Description
Collider	target	The collider to check
App.RaycastSource	raycastSource	Where the raycast is coming from

Returns

Type	Description
System.Boolean	True if the user is looking at the collider

Examples

bool IsTheCameraLookingAtMe
{
    return App.IsCrosshairHit(gameobject);
}

IsCrosshairHit(Collider, out RaycastHit, App.RaycastSource)

Returns true if the user is aiming at the target

Declaration

public static bool IsCrosshairHit(Collider target, out RaycastHit hitInfo, App.RaycastSource raycastSource = App.RaycastSource.Gaze)

Parameters

Type	Name	Description
Collider	target	The collider to check
RaycastHit	hitInfo	RaycastHit containing all information about the raycast
App.RaycastSource	raycastSource	Where the raycast is coming from

Returns

Type	Description
System.Boolean	True if the user is looking at the collider

Examples

bool IsTheCameraLookingAtMe
{
    return App.IsCrosshairHit(gameobject);
}

IsCrosshairHit(GameObject, App.RaycastSource)

Returns true if the user is aiming at the target

Declaration

public static bool IsCrosshairHit(GameObject target, App.RaycastSource raycastSource = App.RaycastSource.Gaze)

Parameters

Type	Name	Description
GameObject	target	The object to check
App.RaycastSource	raycastSource	Where the raycast is coming from

Returns

Type	Description
System.Boolean	True if the user is looking at the object

Remarks

Note

Object must have a collider (2d colliders won't work)

Examples

bool IsTheCameraLookingAtMe
{
    return App.IsCrosshairHit(gameobject);
}

IsCrosshairHit(GameObject, out RaycastHit, App.RaycastSource)

Returns true if the user is aiming at the target

Declaration

public static bool IsCrosshairHit(GameObject target, out RaycastHit hitInfo, App.RaycastSource raycastSource = App.RaycastSource.Gaze)

Parameters

Type	Name	Description
GameObject	target	The object to check
RaycastHit	hitInfo	RaycastHit containing all information about the raycast
App.RaycastSource	raycastSource	Where the raycast is coming from

Returns

Type	Description
System.Boolean	True if the user is looking at the object

Remarks

Note

Object must have a collider (2d colliders won't work)

Examples

bool IsTheCameraLookingAtMe
{
    return App.IsCrosshairHit(gameobject);
}

IsLiveStream(String)

Check if a project contains a live stream

Declaration

public static bool IsLiveStream(string id)

Parameters

Type	Name	Description
System.String	id

Returns

Type	Description
System.Boolean	true if the project contains a live stream

Examples

public string CheckIfLiveStream(ProjectId)
{
    if(App.IsLiveStream(ProjectId))
    {
        return "Livestream!";
    } else {
        return "No Livestream";
    }
}

IsPackaged(String)

Declaration

public static bool IsPackaged(string id)

Parameters

Type	Name	Description
System.String	id

Returns

Type	Description
System.Boolean

Play(Int32, Boolean, Boolean, OnEnd)

Declaration

public static void Play(int projectNr, bool Stream, bool WifiOnly, OnEnd onEnd = null)

Parameters

Type	Name	Description
System.Int32	projectNr
System.Boolean	Stream
System.Boolean	WifiOnly
OnEnd	onEnd

Play(String, Boolean, Boolean, OnEnd)

Play a project

Declaration

public static void Play(string ProjectId, bool Stream, bool WifiOnly, OnEnd onEnd = null)

Parameters

Type	Name	Description
System.String	ProjectId	The project you want to play
System.Boolean	Stream	Directly stream the video from the server
System.Boolean	WifiOnly	(Streaming) only stream when connected to a wifi network
OnEnd	onEnd	Will be called when the video is finished

Remarks

Note

Will automatically create and initialize the video player. If stream is false, the video won't play if it isn't downloaded first

Warning

Enabling WifiOnly is strongly recommended when using Stream to avoid high mobile data costs

Examples

public void StreamFirstVideo()
{
    string id = App.GetProjects()[0];
    App.Play(id, true, true, onEnd);
}
public void onEnd(bool succes, string error)
{
    print("Video has finished playing!");
}

Prepare(String, Boolean, Boolean, OnEnd, Int64)

Declaration

public static void Prepare(string ProjectId, bool Stream, bool WifiOnly, OnEnd onEnd = null, long VideoTime = 0L)

Parameters

Type	Name	Description
System.String	ProjectId
System.Boolean	Stream
System.Boolean	WifiOnly
OnEnd	onEnd
System.Int64	VideoTime

ProjectIsDownloading(String)

Check if a project is currently downloading

Declaration

public static bool ProjectIsDownloading(string ProjectId)

Parameters

Type	Name	Description
System.String	ProjectId	Project to check

Returns

Type	Description
System.Boolean	True if a project is currently downloading

Remarks

Note

To get the progress, use GetProjectProgress(String)

Examples

public float GetProgress(string projectid)
{
    if (App.ProjectIsDownloading(projectid))
    {
        return App.GetProjectProgress(projectid);
    }
    else
    {
        return -1;
    }
}

ProjectIsLiveStream(String)

Check if a project contains a live stream

Declaration

public static bool ProjectIsLiveStream(string ProjectId)

Parameters

Type	Name	Description
System.String	ProjectId

Returns

Type	Description
System.Boolean	true if the project contains a live stream

Examples

public string CheckIfLiveStream(ProjectId)
{
    if(App.ProjectIsLiveStream(ProjectId))
    {
        return "Livestream!";
    } else {
        return "No Livestream";
    }
}

Recenter(Boolean)

Recenter orientation and position on your device

Declaration

public static void Recenter(bool allowRoomScaleHeight = true)

Parameters

Type	Name	Description
System.Boolean	allowRoomScaleHeight	When true, (0,0,0) will be at floor level

Examples

// Recenter when playing a video
void PlayVideo(string id)
{
    App.Recenter();
    App.Play(id, true, true, null);
}

RegisterCinemaListener(String, PushEvent)

Register listener for a named event from the live Cinema feature

Declaration

public static void RegisterCinemaListener(string eventName, PushEvent listener)

Parameters

Type	Name	Description
System.String	eventName	Event name listener will be associated with
PushEvent	listener	This delegate will be invoked when event with eventName is activated

Remarks

Note

The listener takes a parameter, which contains an array of event arguments

Cinema default events: "changeAlias": string parameter is new device name/alias "download": download project, string parameter is project ID "play": play project, string parameter is project ID "delete": delete project, string parameter is project ID "stop": stop playback, no parameters "pause": pause playback, no parameters "resume": resume playback, no parameters "view": show project details, string parameter is project ID "stream": stream from url, string parameter is stream url "message": show message to user, string parameter is message

Examples

public void Start() {
    App.RegisterCinemaListener("pause", HandleCinemaPause);
}
// pause video playback
public void HandleCinemaPause() {
    if (App.Player != null) {
        App.Player.Pause();
    }
}

RemoveCinemaListener(String, PushEvent)

Remove a listener for a named Cinema event

Declaration

public static void RemoveCinemaListener(string eventName, PushEvent listener)

Parameters

Type	Name	Description
System.String	eventName	Event name listener is associated with
PushEvent	listener	This delegate will be removed from the event's listeners

Remarks

Note

See RegisterCinemaListener(String, PushEvent) for more information.

Examples

PushEvent previouslyRegisteredListener;
// remove previouslyRegisteredListener from "pause" event listeners
public void RemoveListener() {
    App.RemoveCinemaListener("pause", previouslyRegisteredListener);
}

Reset()

Resets the initialization and configuration to allow for a different app initialization

Declaration

public static void Reset()

SendCinemaStatus(String, String, Single, Single, String)

Send an updated status to the Cinema server

Declaration

public static void SendCinemaStatus(string statusType, string message, float progressCurrent = -1F, float progressTotal = -1F, string progressUnit = "%")

Parameters

Type	Name	Description
System.String	statusType	One of several pre-defined status type names
System.String	message	A message further detailing the status
System.Single	progressCurrent
System.Single	progressTotal
System.String	progressUnit

Examples

// register listener to "pause" event that sends "paused" status back
public void RegisterPauseListener() {
    App.RegisterCinemaListener("pause", delegate {
        if (App.Player != null) {
            App.Player.Pause();
            App.SendCinemaStatus("paused", "Paused playback of " +
                App.GetProjectMetadata(App.CurrentProject).Title);
        } else {
            App.SendCinemaStatus("idle", "Nothing to pause");
        }
    });
}

SetCamera(Boolean, Boolean)

Enable or Disable the default Headjack VR Camera and switch VR mode on Cardboard

Declaration

public static void SetCamera(bool visible = true, bool vrMode = true)

Parameters

Type	Name	Description
System.Boolean	visible	Enable or Disable the VR Camera
System.Boolean	vrMode	(Cardboard) Enable or Disable VR mode

Examples

public void GoFullScreen()
{
    App.SetCamera(true,false);
}

SetCameraBackground(Color)

Set background color

Declaration

public static void SetCameraBackground(Color backgroundColor)

Parameters

Type	Name	Description
Color	backgroundColor	UnityEngine.Color object containing new background color

Remarks

Note

This sets the background color of the active VR camera, and persists between Unity scenes.

Examples

// Set backgound color to red
public void SetRedBackground()
{
    Headjack.App.SetCameraBackground(Color.red);
}

SetCameraBackground(Material)

Set background skybox

Declaration

public static void SetCameraBackground(Material skybox)

Parameters

Type	Name	Description
Material	skybox	UnityEngine.Material object containing new skybox

Remarks

Note

This sets the background skybox of the active VR camera, and persists between Unity scenes.

Examples

// Set the default Unity Skybox to the headjack camera
public void SetDefaultSkybox()
{
    Headjack.App.SetCameraBackground(RenderSettings.skybox);
}

SetTrackingOrigin(App.TrackingOrigin)

Sets whether to Unity scene is centered on the floor level or the eye level

Declaration

public static bool SetTrackingOrigin(App.TrackingOrigin origin)

Parameters

Type	Name	Description
App.TrackingOrigin	origin

Returns

Type	Description
System.Boolean	True if Tracking origin was successfully set

Remarks

Note

For VR platforms that do not have an internal floor height, using 1.6m below current eye height

ShowMessage(String, Single, OnEnd)

PopUp Messages for displaying a text

Declaration

public static void ShowMessage(string Message, float TimeInSeconds = 3F, OnEnd onEnd = null)

Parameters

Type	Name	Description
System.String	Message
System.Single	TimeInSeconds
OnEnd	onEnd

Examples

public void SayHello()
{
    App.ShowMessage("Hello world", 1f);
}

UpdateAvailable(String)

Check if a project or media file has an update available

Declaration

public static bool UpdateAvailable(string Id)

Parameters

Type	Name	Description
System.String	Id	Id to check

Returns

Type	Description
System.Boolean	True if there is an update available

Remarks

Note

Will also return True if the files are not yet downloaded

Examples

public void CheckForUpdates()
{
    string[] projects = App.GetProjects();
    foreach (string project in projects)
    {
        if(App.UpdateAvailable(project))
        {
            print(project + " has an update available!");
        }
    }
}

UpdateAvailableMedia(String)

Check if an update is available for media with given id

Declaration

public static bool UpdateAvailableMedia(string MediaId)

Parameters

Type	Name	Description
System.String	MediaId

Returns

Type	Description
System.Boolean