fix: Intermittent Gap in Timeline Display Causing Missing Hour (#381)

README.md

@@ -188,6 +188,7 @@ DayView(
     },
     dayTitleBuilder: DayHeader.hidden, // To Hide day header
     keepScrollOffset: true, // To maintain scroll offset when the page changes
+    currentHourVisibility : true // To display the current Hour, False by Default
 );
 ```
 
@@ -396,4 +397,4 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 
-```
+```

lib/src/components/_internal_components.dart

@@ -167,6 +167,9 @@ class TimeLine extends StatefulWidget {
   /// This field will be used to set end hour for day and week view
   final int endHour;
 
+  /// This field will be optional if set true then the current timeline hour will be visible else default
+  final bool currentHourVisibility;
+
   /// Time line to display time at left side of day or week view.
   const TimeLine({
     Key? key,
@@ -178,6 +181,7 @@ class TimeLine extends StatefulWidget {
     required this.startHour,
     this.showHalfHours = false,
     this.showQuarterHours = false,
+    this.currentHourVisibility = false,
     required this.liveTimeIndicatorSettings,
     this.endHour = Constants.hoursADay,
   }) : super(key: key);
@@ -234,6 +238,7 @@ class _TimeLineState extends State<TimeLine> {
                   (widget.hourHeight * (i - widget.startHour + 1)) +
                   widget.timeLineOffset,
               hour: i,
+              visibility: widget.currentHourVisibility
             ),
           if (widget.showHalfHours)
             for (int i = widget.startHour; i < widget.endHour; i++)
@@ -246,6 +251,7 @@ class _TimeLineState extends State<TimeLine> {
                     widget.timeLineOffset,
                 hour: i,
                 minutes: 30,
+                  visibility: widget.currentHourVisibility
               ),
           if (widget.showQuarterHours)
             for (int i = 0; i < widget.endHour; i++) ...[
@@ -259,6 +265,7 @@ class _TimeLineState extends State<TimeLine> {
                     widget.timeLineOffset,
                 hour: i,
                 minutes: 15,
+                  visibility: widget.currentHourVisibility
               ),
 
               /// this is for 45 minutes
@@ -271,6 +278,7 @@ class _TimeLineState extends State<TimeLine> {
                     widget.timeLineOffset,
                 hour: i,
                 minutes: 45,
+                  visibility: widget.currentHourVisibility
               ),
             ],
         ],
@@ -285,13 +293,14 @@ class _TimeLineState extends State<TimeLine> {
     required double topPosition,
     required double bottomPosition,
     required int hour,
+    bool visibility = false,
     int minutes = 0,
   }) {
     return Visibility(
-      visible: !((_currentTime.minute >= 45 && _currentTime.hour == hour - 1) ||
+      visible: visibility == false ? !((_currentTime.minute >= 45 && _currentTime.hour == hour - 1) ||
               (_currentTime.minute <= 15 && _currentTime.hour == hour)) ||
           !(widget.liveTimeIndicatorSettings.showTime ||
-              widget.liveTimeIndicatorSettings.showTimeBackgroundView),
+              widget.liveTimeIndicatorSettings.showTimeBackgroundView) : true,
       child: Positioned(
         top: topPosition,
         left: 0,

lib/src/day_view/_internal_day_view_page.dart

@@ -133,6 +133,9 @@ class InternalDayViewPage<T extends Object?> extends StatefulWidget {
   /// Flag to keep scrollOffset of pages on page change
   final bool keepScrollOffset;
 
+  /// Flag to keep the visibility of the current hour to be optional
+  final bool currentHourVisibility;
+
   /// Defines a single day page.
   const InternalDayViewPage({
     Key? key,
@@ -173,6 +176,7 @@ class InternalDayViewPage<T extends Object?> extends StatefulWidget {
     required this.emulateVerticalOffsetBy,
     required this.onTileDoubleTap,
     this.keepScrollOffset = false,
+    this.currentHourVisibility = false
   }) : super(key: key);
 
   @override
@@ -326,6 +330,7 @@ class _InternalDayViewPageState<T extends Object?>
                       key: ValueKey(widget.heightPerMinute),
                       liveTimeIndicatorSettings:
                           widget.liveTimeIndicatorSettings,
+                      currentHourVisibility: widget.currentHourVisibility,
                     ),
                     if (widget.showLiveLine &&
                         widget.liveTimeIndicatorSettings.height > 0)

lib/src/day_view/day_view.dart

@@ -229,6 +229,9 @@ class DayView<T extends Object?> extends StatefulWidget {
   /// Flag to keep scrollOffset of pages on page change
   final bool keepScrollOffset;
 
+  /// Flag to keep the visibility of the current hour to be optional
+  final bool currentHourVisibility;
+
   /// Main widget for day view.
   const DayView({
     Key? key,
@@ -279,6 +282,7 @@ class DayView<T extends Object?> extends StatefulWidget {
     this.onEventDoubleTap,
     this.endHour = Constants.hoursADay,
     this.keepScrollOffset = false,
+    this.currentHourVisibility = false
   })  : assert(!(onHeaderTitleTap != null && dayTitleBuilder != null),
             "can't use [onHeaderTitleTap] & [dayTitleBuilder] simultaneously"),
         assert(timeLineOffset >= 0,
@@ -505,6 +509,7 @@ class DayViewState<T extends Object?> extends State<DayView<T>> {
                             dayViewScrollController: _scrollController,
                             scrollListener: _scrollPageListener,
                             keepScrollOffset: widget.keepScrollOffset,
+                            currentHourVisibility:  widget.currentHourVisibility,
                           ),
                         );
                       },