getPhotoFromGallery method

Future<File?> getPhotoFromGallery ({bool camera = false})

This function is used to pick the image from gallery or to click the image from user's camera. The function first ask for the permission to access the camera, if denied then returns a message in. custom Dialog Box. This function returns a File type for which <code>camera</code> variable is false by default. params: <ul> <li><code>camera</code>: if true then open camera for image, else open gallery to select image.</li> </ul> returns: <ul> <li><code>Future<File?></code>: the image the user choosed.</li> </ul>

Implementation

Future\<File?\> getPhotoFromGallery(\{bool camera = false\}) async \{
  asking for user's camera access permission.
  try \{
    checking for the image source, it could be camera or gallery.
    final image = await _picker.pickImage(
      source: camera ? ImageSource.camera : ImageSource.gallery,
    );
    if image is selected or not null, call the cropImage function that provide service to crop the selected image.
    if (image != null) \{
      return await cropImage(imageFile: File(image.path));
    \}
  \} catch (e) \{
    if the permission denied or error occurs.
    if (e is PlatformException && e.code == 'camera_access_denied') \{
      push the dialog alert with the message.
      locator\<NavigationService\>().pushDialog(
        CustomAlertDialog(
          success: () \{
            locator\<NavigationService\>().pop();
            openAppSettings();
          \},
          dialogTitle: 'Permission Denied',
          successText: 'SETTINGS',
          dialogSubTitle:
              "Camera permission is required, to use this feature, give permission from app settings",
        ),
      );
    \}
    print(
      "MultiMediaPickerService : Exception occurred while choosing photo from the gallery $e",
    );
  \}
  return null;
\}

Implementation​

Implementation