Beginning FlutterFire

Aug 30 2022 · Dart 2.16, Flutter 3.0, Visual Studio Code 1.69

Part 4: Save Pictures to Cloud Storage

19. Upload Data to Cloud Storage

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Previous episode: 18. Add Pictures in the Screen Next episode: 20. Download Data from Cloud Storage

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For each Activity, users will be able to upload an image from the device gallery. For that, you’ll use the ImagePicker plugin.

Image? activityImage; 

XFile? galleryImage; 

Future choosePicture() async { 
    final _picker = ImagePicker(); 
    final image = await _picker.pickImage(source: ImageSource.gallery); 
    setState(() { 
      galleryImage = image; 
    }); 
  } 

  Future uploadPicture() async { 
    if (galleryImage != null) { 
      final file = File(galleryImage!.path); 
      helper.uploadImage(file); 
    } 
  } 

    if (widget.activity.imagePath != null && widget.activity.imagePath != '') { 
      helper.getImage(widget.activity.imagePath!).then((dynamic value) { 
        activityImage = Image.network(value.toString()); 
        setState(() {}); 
      }); 
    } 

if (galleryImage == null && activityImage == null) { 
      activityImage = Image.asset('assets/running.png'); 
    } else if (galleryImage != null && activityImage == null) { 
      activityImage = Image.file(File(galleryImage!.path)); 
    } 

SizedBox( 
    height: 100, 
    child: activityImage, 
  ), 

SizedBox( 
  width: 100, 
  height: 100, 
  child: IconButton( 
    icon: const Icon(Icons.image), 
    onPressed: choosePicture, 
  ), 
), 

onPressed: () { 
  saveUser(); 
  uploadPicture();