Set constructors public

Sources/app/src/main/java/Structures/PhotoInfo.java

@@ -17,15 +17,15 @@ public class PhotoInfo {
     Bitmap image;
     List<PathView> pathViews = new ArrayList<>();
 
-    PhotoInfo() {
+    public PhotoInfo() {
 
     }
 
-    PhotoInfo(Bitmap im) {
+    public PhotoInfo(Bitmap im) {
         this.image = im;
     }
 
-    PhotoInfo(Bitmap im, Orientation orientation) {
+    public PhotoInfo(Bitmap im, Orientation orientation) {
         this.image = im;
         this.orientation = orientation;
     }

Sources/app/src/main/java/Structures/RoomInfo.java

@@ -14,11 +14,11 @@ public class RoomInfo {
     RoomType type = RoomType.ROOM;
     List<ZoneInfo> zones = new ArrayList<>();
 
-    RoomInfo() {
+    public RoomInfo() {
 
     }
 
-    RoomInfo(String name) {
+    public RoomInfo(String name) {
         this.name = name;
     }
 

Sources/app/src/main/java/Structures/WalkInfo.java

@@ -4,7 +4,7 @@ public class WalkInfo {
     ZoneInfo destination;
     Orientation orientation = Orientation.NORTH;
 
-    WalkInfo() {
+    public WalkInfo() {
 
     }