Merge branch 'master' of https://github.com/danvick/flutter_form_builder

Author: danvick

lib/src/fields/form_builder_image_picker.dart

@@ -39,7 +39,7 @@ class FormBuilderImagePicker extends StatefulWidget {
   final CameraDevice preferredCameraDevice;
 
   final int maxImages;
-
+  final String defaultImage;
   final Widget cameraIcon;
   final Widget galleryIcon;
   final Widget cameraLabel;
@@ -50,6 +50,7 @@ class FormBuilderImagePicker extends StatefulWidget {
     Key key,
     @required this.attribute,
     this.initialValue,
+    this.defaultImage,
     this.validators = const [],
     this.valueTransformer,
     this.labelText,
@@ -88,7 +89,7 @@ class _FormBuilderImagePickerState extends State<FormBuilderImagePicker> {
       return false;
     } else {
       return /*_fieldKey.currentState.value != null &&*/ _fieldKey
-              .currentState.value.length >=
+          .currentState.value.length >=
           widget.maxImages;
     }
   }
@@ -160,8 +161,8 @@ class _FormBuilderImagePickerState extends State<FormBuilderImagePicker> {
                             child: kIsWeb
                                 ? Image.memory(item, fit: BoxFit.cover)
                                 : item is String
-                                    ? Image.network(item, fit: BoxFit.cover)
-                                    : Image.file(item, fit: BoxFit.cover),
+                                ? Image.network(item, fit: BoxFit.cover)
+                                : Image.file(item, fit: BoxFit.cover),
                           ),
                           if (!_readOnly)
                             InkWell(
@@ -190,17 +191,24 @@ class _FormBuilderImagePickerState extends State<FormBuilderImagePicker> {
                     }).toList()),
                     if (!_readOnly && !_hasMaxImages)
                       GestureDetector(
-                        child: Container(
-                            width: widget.imageWidth,
-                            height: widget.imageHeight,
-                            child: Icon(Icons.camera_enhance,
-                                color: _readOnly
-                                    ? theme.disabledColor
-                                    : widget.iconColor ?? theme.primaryColor),
-                            color: (_readOnly
-                                    ? theme.disabledColor
-                                    : widget.iconColor ?? theme.primaryColor)
-                                .withAlpha(50)),
+                        child: widget.defaultImage != null?
+                        Image(
+                          width: widget.imageWidth,
+                          height: widget.imageHeight,
+                          image: AssetImage(widget.defaultImage),
+                        ):Container(
+                          width: widget.imageWidth,
+                          height: widget.imageHeight,
+                          child: Icon(Icons.camera_enhance,
+                              color: _readOnly
+                                  ? theme.disabledColor
+                                  : widget.iconColor ?? theme.primaryColor
+                          ),
+                          color: (_readOnly
+                              ? theme.disabledColor
+                              : widget.iconColor ?? theme.primaryColor)
+                              .withAlpha(50),
+                        ),
                         onTap: () {
                           showModalBottomSheet(
                             context: context,
@@ -210,7 +218,7 @@ class _FormBuilderImagePickerState extends State<FormBuilderImagePicker> {
                                 maxWidth: widget.maxWidth,
                                 imageQuality: widget.imageQuality,
                                 preferredCameraDevice:
-                                    widget.preferredCameraDevice,
+                                widget.preferredCameraDevice,
                                 cameraIcon: widget.cameraIcon,
                                 galleryIcon: widget.galleryIcon,
                                 cameraLabel: widget.cameraLabel,