Agora Interactive Whiteboard Objective-C Overview Document
Agora provides interactive whiteboard with high reliability and rich features though a virtual global network and flexible combinations of APIs.
- WhiteSDK class provides the main methods for initializing the
WhiteSDKobject. - WhiteRoom class provides methods that manage the live Interactive Whiteboard room.
- WhiteDisplayer is the parent class of the WhiteRoom class. The WhiteRoom classe can inherit the methods of the
WhiteDisplayerclass.
SDK initialization
| Method | Description |
|---|---|
| initWithWhiteBoardView | Initializes a WhiteSDK object and sets callbacks. |
| initWithWhiteBoardView | Initializes a WhiteRoom object and sets callbacks and audio mixing. |
| WhiteCommonCallbacks | Sets common callbacks. |
| joinRoomWithConfig | Sets the configurations and event callbacks of whiteboard room and joins the live interactive whiteboard room. |
| setupFontFaces | Declares the fonts that can be used in the local whiteboard. |
| loadFontFaces | Declares the fonts that can be used in the local whiteboard and preloads them. |
| updateTextFont | Sets the fonts used by the text tool in the local whiteboard. |
Common events
| Event | Description |
|---|---|
| throwError | Reports an uncaught global error during SDK runtime. |
| urlInterrupter | Occurs when the SDK intercepts an image URL address. |
| pptMediaPlay | Occurs when the audio and video in dynamic PPT slides start playing. |
| pptMediaPause | Occurs when the audio and video in dynamic PPT slides pause playing. |
| customMessage | Occurs when the user receives a message from the web page. |
| sdkSetupFail | Reports the failure of the SDK initialization. |
Room management
| Method | Description |
|---|---|
| observerId | The user ID. |
| setWritable | Sets whether a user is in interactive mode in the room. |
| disableDeviceInputs | Disables the whiteboard from responding to users' operations. |
| disconnect | Disconnects from the live Interactive Whiteboard room. |
| setGlobalState | Modifies the global state of the live Interactive Whiteboard room. |
| disconnectedBySelf | Gets whether the SDK calls disconnect to disconnect from the live Interactive Whiteboard room. |
| writable | Gets whether the local user is in interactive mode in the room. |
| globalState | Gets the global state of the room (synchronous). |
| getGlobalStateWithResult | Gets the global state of the room (asynchronous). |
| roomMembers | Gets the list of members in the room (synchronous). |
| getRoomMembersWithResult | Gets the list of members in the room. (asynchronous). |
| phase | Gets the connection state of the room. (synchronous). |
| getRoomPhaseWithResult | Gets the connection state of the room (asynchronous). |
| state | Gets the current room state (synchronous). |
| getRoomStateWithResult | Gets the current room state (asynchronous). |
Whiteboard tool
| Method | Description |
|---|---|
| setMemberState | Modifies the state of the whiteboard tool currently in use. |
| memberState | Gets the state of the whiteboard tool currently in use (synchronous). |
| getMemberStateWithResult | Gets the state of the whiteboard tool currently in use (asynchronous). |
| copy | Copies the selected content. |
| paste | Pastes the copied content. |
| duplicate | Duplicates the selected content. |
| deleteOperation | Deletes the selected content. |
| disableSerialization | Disables/Enables the local serialization. |
| redo | Redoes an undone action. |
| undo | Undoes an action. |
| disableEraseImage | Disables the eraser from erasing images on the whiteboard. |
| disableDeviceInputs | Disables the whiteboard from responding to users' operations. |
View management
| Method | Description |
|---|---|
| setViewMode | Sets the view mode of the user. |
| setCameraBound | Sets the boundary of the user’s view. |
| disableCameraTransform | Disables the user from adjusting the view. |
| moveCamera | Adjusts the view. |
| moveCameraToContainer | Adjusts the view to ensure the complete display of the view rectangle. |
| scalePptToFit | Adjusts the view in the specified mode to ensure the complete display of the PPT slide. |
| disableCameraTransform | Disables the local user from adjusting the view of the whiteboard. |
| broadcastState | Gets the view state of the user (synchronous). |
| getBroadcastStateWithResult | Gets the view state of the user (asynchronous). |
Scene management
| Method | Description |
|---|---|
| insertImage1 | Inserts an image placeholder on the whiteboard. |
| completeImageUploadWithUuid | Displays an image in the specified image placeholder. |
| insertImage2 | Inserts and displays an image on the whiteboard. |
| insertText | Inserts text at a specified position. |
| sceneState | Gets the state of the scenes under the current scene directory (synchronous). |
| getSceneStateWithResult | Gets the state of the scenes under the current scene directory (asynchronous). |
| getScenesWithResult | Gets the state of the scenes under the current scene directory (asynchronous). |
| setScenePath | Switches to the specified scene (synchronous). |
| setScenePath | Switches to the specified scene (asynchronous). |
| setSceneIndex | Switches to the specified scene under the current scene directory. |
| putScenes | Inserts multiples scenes under the specified scene directory. |
| moveScene | Moves a scene. |
| removeScenes | Deletes a scene or a scene directory. |
| cleanScene | Clears all contents on the current scene. |
| pptNextStep | Plays the next slide of the PPT file. |
| pptPreviousStep | Returns to the previous slide of the PPT file. |
| getScenePathType | Gets the type of the scene path. |
| getEntireScenes | Gets information about all scenes in the room. |
| getScenePreviewImage | Gets the preview of the specified scene. |
| getSceneSnapshotImage | Gets the screenshot of the specified scene. |
| getLocalSnapShotWithCompletion | Gets the screenshot of the specified scene. |
Customized events
| Method | Description |
|---|---|
| dispatchMagixEvent | Sends a custom event. |
| addMagixEventListener | Adds a listener for a customized event. |
| addHighFrequencyEventListener | Adds a listener for a customized high-frequency event. |
| removeMagixEventListener | Removes a listener for a customized event. |
iframe plug-in message
| Method | Description |
|---|---|
| postIframeMessage | Sends message in string format to the iframe plugin. |
Miscellaneous methods
| Method | Description |
|---|---|
| debugInfo | Gets debug logs. |
| requestSlideLogToFilePath | Gets the debug logs. |
| setTimeDelay | Sets the delay time for sending the whiteboard contents of the local user to the remote users. |
| convertToPointInWorld | Converts the coordinates of a point on the whiteboard. |
| refreshViewSize | Refreshes the whiteboard view. |
| setDrawOnlyApplePencil | (iPad only) Sets whether users can only draw and write on the whiteboard using the Apple Pencil. |