openPicker method
Open picker dialog for photo selection
Implementation
openPicker(PermissionType permissionType, int index) async {
PickedFile? image = await ImagePicker.platform.pickImage(
source: permissionType == PermissionType.Storage
? ImageSource.gallery
: ImageSource.camera);
if (image != null) {
List imageList = (state as ImageListState).images;
imageList[index].imageUrl = File(image.path);
add(ImageListEvent(imageList));
}
}