Content

The content module allows storing rich chat attachments, app content, and settings without having to republish them. Using a web interface you or your clients can control and make instant changes to the apps. Visit Key Concepts page to learn the most important QuickBlox concepts.

Before you begin

Register a QuickBlox account. This is a matter of a few minutes and you will be able to use this account to build your apps.
Configure QuickBlox SDK for your app. Check out Setup page for more details.
Create a user session to be able to use QuickBlox functionality. See Authentication page to learn how to do it.

Upload file

Upload a file to the cloud using the following code snippet.

Dart

String url = "content://images/test.jpg";
bool public = false;

try {
  QBFile? file = await QB.content.upload(url, public: public);
} on PlatformException catch (e) {
  // Some error occurred, look at the exception message for more details
}

Argument	Required	Description
url	yes	URL of a file.
public	no	Boolean parameter. Specifies file visibility. If the file is public then it’s possible to download it without a session token. Default: false.

The maximum size of the uploaded file depends on the membership plan.

Basic	Startup	Growth	HIPAA	Enterprise
File size limit	10 Mb	25 Mb	50Mb	50Mb	Contact our sales team

Get file info

Get information about a file by ID using the getInfo() method below. This method allows to load the file description model from the server, not the content of the file itself.

Dart

int fileId = 98239423;

try {
  QBFile? file = await QB.content.getInfo(fileId);
  if (file != null) {
    int id = file!.id;
    String uid = file!.uid;
  }
} on PlatformException catch (e) {
  // Some error occurred, look at the exception message for more details
}

Argument	Required	Description
fileId	yes	ID of the file.

Get file URL

There are two types of file URLs that can be obtained: private and public.

Public URL allows anyone to access the file, no authorization token is needed.
Private URL can be accessed only by QuickBlox user with a session token.

Get public URL

To receive a public URL, use the code snippet below.

Dart

String fileUid = "sdfldsj890dfLKJJerJdkn8";

try {
  String! url = await QB.content.getPublicURL(fileUid);
} on PlatformException catch (e) {
  // Some error occurred, look at the exception message for more details
}

Argument	Required	Description
fileUid	yes	File unique identifier. You can get the fileUid from the file recieved as a result of the getInfo() method.

Get private URL

To get a private URL of the uploaded file, use the following code snippet.

Dart

String fileUid = "sdfldsj890dfLKJJerJdkn8";

try {
  String! url = await QB.content.getPrivateURL(fileUid);
} on PlatformException catch (e) {
  // Some error occurred, look at the exception message for more details
}

Argument	Required	Description
fileUid	yes	File unique identifier. You can get the fileUid from the file recieved as a result of the getInfo() method.

SDKs

iOS

Android

JavaScript

React Native

Flutter

Before you begin

Upload file

Get file info

Get file URL

Get public URL

Get private URL

​Before you begin

​Upload file

​Get file info

​Get file URL

​Get public URL

​Get private URL

Before you begin

Upload file

Get file info

Get file URL

Get public URL

Get private URL