use selected hour format at weekly view

app/src/main/kotlin/com/simplemobiletools/calendar/activities/MainActivity.kt

@@ -49,6 +49,7 @@ class MainActivity : SimpleActivity(), NavigationListener {
     private var mStoredBackgroundColor = 0
     private var mStoredPrimaryColor = 0
     private var mStoredIsSundayFirst = false
+    private var mStoredUse24HourFormat = false
     private var mShouldFilterBeVisible = false
 
     private var mDefaultWeeklyPage = 0
@@ -82,8 +83,11 @@ class MainActivity : SimpleActivity(), NavigationListener {
         mStoredPrimaryColor = config.primaryColor
         mStoredBackgroundColor = config.backgroundColor
 
-        if (mStoredIsSundayFirst != config.isSundayFirst && config.storedView == WEEKLY_VIEW)
+        if (config.storedView == WEEKLY_VIEW) {
+            if (mStoredIsSundayFirst != config.isSundayFirst || mStoredUse24HourFormat != config.use24hourFormat) {
                 fillWeeklyViewPager()
+            }
+        }
 
         updateWidgets()
         updateTextColors(calendar_coordinator)
@@ -95,6 +99,7 @@ class MainActivity : SimpleActivity(), NavigationListener {
         mStoredIsSundayFirst = config.isSundayFirst
         mStoredBackgroundColor = config.backgroundColor
         mStoredPrimaryColor = config.primaryColor
+        mStoredUse24HourFormat = config.use24hourFormat
     }
 
     override fun onDestroy() {
@@ -288,10 +293,11 @@ class MainActivity : SimpleActivity(), NavigationListener {
         main_weekly_scrollview.beVisible()
 
         week_view_hours_holder.removeAllViews()
+        val hourDateTime = DateTime().withTime(0, 0, 0, 0)
         for (i in 1..23) {
-            val value = i.toString()
+            val formattedHours = Formatter.getHours(this, hourDateTime.withHourOfDay(i))
             (layoutInflater.inflate(R.layout.weekly_view_hour_textview, null, false) as TextView).apply {
-                text = if (value.length == 2) value else "0$value"
+                text = formattedHours
                 setTextColor(mStoredTextColor)
                 week_view_hours_holder.addView(this)
             }

app/src/main/kotlin/com/simplemobiletools/calendar/helpers/Formatter.kt

@@ -16,6 +16,9 @@ object Formatter {
     private val PATTERN_TIME_12 = "hh:mm a"
     private val PATTERN_TIME_24 = "HH:mm"
 
+    private val PATTERN_HOURS_12 = "h a"
+    private val PATTERN_HOURS_24 = "HH"
+
     fun getDateFromCode(context: Context, dayCode: String, shortMonth: Boolean = false): String {
         val dateTime = getDateTimeFromCode(dayCode)
         val day = dateTime.toString(DAY_PATTERN)
@@ -42,6 +45,8 @@ object Formatter {
 
     fun getDate(context: Context, dateTime: DateTime, addDayOfWeek: Boolean = true) = getDayTitle(context, getDayCodeFromDateTime(dateTime), addDayOfWeek)
 
+    fun getHours(context: Context, dateTime: DateTime) = dateTime.toString(getHourPattern(context))
+
     fun getTime(context: Context, dateTime: DateTime) = dateTime.toString(getTimePattern(context))
 
     fun getDateTimeFromCode(dayCode: String) = DateTimeFormat.forPattern(DAYCODE_PATTERN).withZone(DateTimeZone.UTC).parseDateTime(dayCode)
@@ -63,5 +68,7 @@ object Formatter {
     // use manually translated month names, as DateFormat and Joda have issues with a lot of languages
     fun getMonthName(context: Context, id: Int) = context.resources.getStringArray(R.array.months)[id - 1]
 
+    fun getHourPattern(context: Context) = if (context.config.use24hourFormat) PATTERN_HOURS_24 else PATTERN_HOURS_12
+
     fun getTimePattern(context: Context) = if (context.config.use24hourFormat) PATTERN_TIME_24 else PATTERN_TIME_12
 }

app/src/main/res/layout/weekly_view_hour_textview.xml

@@ -3,8 +3,8 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:gravity="bottom"
+    android:gravity="bottom|center_horizontal"
     android:minHeight="@dimen/weekly_view_row_height"
-    android:paddingLeft="@dimen/medium_margin"
+    android:paddingLeft="@dimen/small_margin"
-    android:paddingRight="@dimen/medium_margin"
+    android:paddingRight="@dimen/small_margin"
     android:textSize="@dimen/normal_text_size"/>