[add] added properties for fixing the circle of today

javasample/src/main/java/jp/co/recruit_mp/android/lightcalendarview/javasample/MainActivity.java

@@ -43,6 +43,9 @@ protected void onCreate(@Nullable Bundle savedInstanceState) {
         calendarView.setMonthFrom(calFrom.getTime());
         calendarView.setMonthTo(calTo.getTime());
         calendarView.setMonthCurrent(calNow.getTime());
+        // 当日の強調表示固定
+        calendarView.setFixToday(true);
+
         calendarView.setOnMonthSelected(new Function2<Date, MonthView, Unit>() {
             @Override
             public Unit invoke(Date date, final MonthView monthView) {

library/src/main/kotlin/jp/co/recruit_mp/android/lightcalendarview/CalendarSettings.kt

@@ -36,6 +36,9 @@ class CalendarSettings(private val context: Context) : ObservableSettings() {
     var timeZone: TimeZone = TimeZone.getDefault()
     var locale: Locale = Locale.getDefault()
 
+    // 当日を常に強調表示
+    var fixToday: Boolean = false
+
     // settings for DayLayout and WeekDayLayout: first day of the week
     var firstDayOfWeek: WeekDay = WeekDay.SUNDAY
     val dayOfWeekOffset: Int

library/src/main/kotlin/jp/co/recruit_mp/android/lightcalendarview/DayLayout.kt

@@ -18,6 +18,7 @@ package jp.co.recruit_mp.android.lightcalendarview
 
 import android.content.Context
 import android.support.v4.view.ViewCompat
+import android.text.format.DateUtils
 import java.util.*
 
 /**
@@ -135,8 +136,11 @@ class DayLayout(context: Context, settings: CalendarSettings, var month: Date) :
 
     private fun setSelectedDay(view: DayView?) {
         selectedDayView?.apply {
-            isSelected = false
-            updateState()
+            if (!settings.fixToday || !DateUtils.isToday(selectedDayView?.date!!.time)) {
+                // 今日の場合は常に丸を表示させる
+                isSelected = false
+                updateState()
+            }
         }
         selectedDayView = view?.apply {
             isSelected = true

library/src/main/kotlin/jp/co/recruit_mp/android/lightcalendarview/LightCalendarView.kt

@@ -239,6 +239,13 @@ class LightCalendarView(context: Context, attrs: AttributeSet? = null, defStyleA
             }.notifySettingsChanged()
         }
 
+    var fixToday: Boolean
+        get() = settings.fixToday
+        set(value) {
+            settings.apply {
+                fixToday = value
+            }.notifySettingsChanged()
+        }
     /**
      * Sets the locale to use in LightCalendarView.
      * Set null to use Locale.getDefault()