adding the ability to change slide Icon

iamSahdeep · Sep 19, 2019 · 5cbd32c · 5cbd32c
1 parent 97525ba
commit 5cbd32c
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Showing 2 changed files with 32 additions and 24 deletions.
diff --git a/lib/Animation_Gesture/page_dragger.dart b/lib/Animation_Gesture/page_dragger.dart
@@ -10,6 +10,7 @@ import '../liquid_swipe.dart';
 class PageDragger extends StatefulWidget {
   final double fullTransitionPX;
   final bool enableSlideIcon;
+  final Widget slideIconWidget;
 
   //Stream controller
   final StreamController<SlideUpdate> slideUpdateStream;
@@ -19,6 +20,7 @@ class PageDragger extends StatefulWidget {
     this.slideUpdateStream,
     this.fullTransitionPX = FULL_TARNSITION_PX,
     this.enableSlideIcon = false,
+    this.slideIconWidget,
   }) : assert(fullTransitionPX != null);
 
   @override
@@ -87,19 +89,21 @@ class _PageDraggerState extends State<PageDragger> {
       onHorizontalDragStart: onDragStart,
       onHorizontalDragUpdate: onDragUpdate,
       onHorizontalDragEnd: onDragEnd,
-      child: widget.enableSlideIcon ? Align(
-          alignment: Alignment(1 - slidePercent + 0.005, 0.54),
-          child: Opacity(
-              opacity: 1 - slidePercent,
-              child: FloatingActionButton(
-                onPressed: null,
-                backgroundColor: Colors.transparent,
-                elevation: 0.0,
-                child: slideDirection == SlideDirection.leftToRight
-                    ? null
-                    : Icon(Icons.arrow_back_ios),
-                foregroundColor: Colors.black,
-              ))) : null,
+      child: widget.enableSlideIcon
+          ? Align(
+              alignment: Alignment(1 - slidePercent + 0.005, 0.54),
+              child: Opacity(
+                  opacity: 1 - slidePercent,
+                  child: FloatingActionButton(
+                    onPressed: null,
+                    backgroundColor: Colors.transparent,
+                    elevation: 0.0,
+                    child: slideDirection == SlideDirection.leftToRight
+                        ? null
+                        : widget.slideIconWidget,
+                    foregroundColor: Colors.black,
+                  )))
+          : null,
     );
   }
 }
diff --git a/lib/liquid_swipe.dart b/lib/liquid_swipe.dart
@@ -10,22 +10,25 @@ import 'package:liquid_swipe/page.dart';
 import 'Animation_Gesture/page_reveal.dart';
 
 final key = new GlobalKey<_LiquidSwipe>();
+
 class LiquidSwipe extends StatefulWidget {
   final List<Container> pages;
   final double fullTransitionValue;
   final int initialPage;
   final bool enableSlideIcon;
+  final Widget slideIconWidget;
 
   const LiquidSwipe({
     Key key,
     @required this.pages,
     this.fullTransitionValue = FULL_TARNSITION_PX,
     this.initialPage = 0,
     this.enableSlideIcon = false,
-  })
-      : assert(pages != null),
+    this.slideIconWidget = const Icon(Icons.arrow_back_ios),
+  })  : assert(pages != null),
         assert(fullTransitionValue != null),
-        assert(initialPage != null && initialPage >= 0 &&
+        assert(initialPage != null &&
+            initialPage >= 0 &&
             initialPage < pages.length),
         super(key: key);
 
@@ -38,20 +41,20 @@ class SlideUpdate {
   final SlideDirection direction;
   final double slidePercent;
 
-  SlideUpdate(this.direction,
-      this.slidePercent,
-      this.updateType,);
+  SlideUpdate(
+    this.direction,
+    this.slidePercent,
+    this.updateType,
+  );
 }
 
 class _LiquidSwipe extends State<LiquidSwipe> with TickerProviderStateMixin {
-
-
   StreamController<SlideUpdate>
-  // ignore: close_sinks
-  slideUpdateStream; //Stream controller is used to get all the updates when user slides across screen.
+      // ignore: close_sinks
+      slideUpdateStream; //Stream controller is used to get all the updates when user slides across screen.
 
   AnimatedPageDragger
-  animatedPageDragger; //When user stops dragging then by using this page automatically drags.
+      animatedPageDragger; //When user stops dragging then by using this page automatically drags.
 
   int activePageIndex = 0; //active page index
   int nextPageIndex = 0; //next page index
@@ -171,6 +174,7 @@ class _LiquidSwipe extends State<LiquidSwipe> with TickerProviderStateMixin {
             fullTransitionPX: widget.fullTransitionValue,
             slideUpdateStream: this.slideUpdateStream,
             enableSlideIcon: widget.enableSlideIcon,
+            slideIconWidget: widget.slideIconWidget,
           ), //PageDragger
         ], //Widget
       ), //Stack