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Controlling the camera on Android and iOS plus rtmp live streaming support. Based off the Camera plugin.

rtmppublisher #

RTMP streaming and camera plugin.

Getting Started #

This plugin is an extension of the flutter camera plugin to add in rtmp streaming as part of the system. It works on android and iOS (but not web).

This means the API Is exactly the same as the camera and installation requirements are the same. The different is there is an extra API that is startStreaming(url) that takes an rtmp url and starts streaming to that specific url.

For android I use rtmp-rtsp-stream-client-java and for iOS I use HaishinKit.swift

Features: #

  • Display live camera preview in a widget.
  • Snapshots can be captured and saved to a file.
  • Record video.
  • Add access to the image stream from Dart.

Installation #

First, add camera as a dependency in your pubspec.yaml file.

iOS #

Add two rows to the ios/Runner/Info.plist:

  • one with the key Privacy - Camera Usage Description and a usage description.
  • and one with the key Privacy - Microphone Usage Description and a usage description.

Or in text format add the key:

<string>Can I use the camera please?</string>
<string>Can I use the mic please?</string>

Android #

Change the minimum Android sdk version to 21 (or higher) in your android/app/build.gradle file.

minSdkVersion 21

Need to add in a section to the packaging options to exclude a file, or gradle will error on building.

packagingOptions {
   exclude 'project.clj'

Example #

Here is a small example flutter app displaying a full screen camera preview.

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:camera/camera.dart';

List<CameraDescription> cameras;

Future<void> main() async {
  cameras = await availableCameras();

class CameraApp extends StatefulWidget {
  _CameraAppState createState() => _CameraAppState();

class _CameraAppState extends State<CameraApp> {
  CameraController controller;

  void initState() {
    controller = CameraController(cameras[0], ResolutionPreset.medium);
    controller.initialize().then((_) {
      if (!mounted) {
      setState(() {});

  void dispose() {

  Widget build(BuildContext context) {
    if (!controller.value.isInitialized) {
      return Container();
    return AspectRatio(
        child: CameraPreview(controller));

A more complete example of doing rtmp streaming is in the example code

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Controlling the camera on Android and iOS plus rtmp live streaming support. Based off the Camera plugin.

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Icon for licenses.BSD-3-Clause (LICENSE)




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