Uploading Files to Firebase Storage
Explore how to select and upload images to Firebase Storage within a Flutter app. Learn to use image_picker and firebase_storage packages, create storage references, and employ different upload methods securely and efficiently. Gain practical skills in handling media uploads with error handling and obtaining download URLs for your web and mobile applications.
Before we go on to create functions to select and upload images in our app, we need to import the Firebase Storage and image_picker packages by adding the following line to our pubspec.yaml file in the dependencies section:
dependencies:
flutter:
sdk: flutter
image_picker: ^0.8.4+3
firebase_storage: ^11.2.5
Next, we import the packages into the dart file we’re using:
import 'package:image_picker/image_picker.dart';
import 'package:firebase_storage/firebase_storage.dart';
Controller
Finally, we are ready to create the function to select and upload the file in five simple steps:
Create a Getxcontroller class
This step is as simple as it sounds. We create a controller class and add an uploadimage() function.
class Upload extends GetxController {
void uploadimage(){
}
}
Pick image
The next step is to pick the image from our gallery.
Line 1: The
ImagePickerclass allows us to access the device’s camera or gallery to pick an image.Line 3: The result of
pickImageis anXFile, which represents the picked image file. The question mark (?) denotes that the variable can ...