From 7c473eb1caff25f09419ee4dd57bb153390046f6 Mon Sep 17 00:00:00 2001
From: Yegor Vialov <vyalov.egor@gmail.com>
Date: Tue, 5 May 2020 11:35:19 +0000
Subject: [PATCH] Avoid null values for slider

---
 lib/entities/universal_slider.widget.dart | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/entities/universal_slider.widget.dart b/lib/entities/universal_slider.widget.dart
index 563e993..e2ef081 100644
--- a/lib/entities/universal_slider.widget.dart
+++ b/lib/entities/universal_slider.widget.dart
@@ -41,9 +41,9 @@ class UniversalSliderState extends State<UniversalSlider> {
     row.add(
       Flexible(
         child: Slider(
-          value: _value,
-          min: widget.min,
-          max: widget.max,
+          value: _value ?? math.max(widget.max ?? 100, _value ?? 0),
+          min: widget.min ?? 0,
+          max: widget.max ?? 100,
           onChangeStart: (_) {
             _changeStarted = true; 
           },