Make weekends highlight color customizable

app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/SettingsActivity.kt

@@ -20,6 +20,7 @@ import com.simplemobiletools.commons.helpers.*
 import com.simplemobiletools.commons.models.AlarmSound
 import com.simplemobiletools.commons.models.RadioItem
 import kotlinx.android.synthetic.main.activity_settings.*
+import kotlinx.android.synthetic.main.dialog_event_type.view.*
 import org.joda.time.DateTime
 import java.io.File
 import java.io.InputStream
@@ -51,6 +52,7 @@ class SettingsActivity : SimpleActivity() {
         setupHourFormat()
         setupSundayFirst()
         setupHighlightWeekends()
+        setupHighlightWeekendsColor()
         setupDeleteAllEvents()
         setupReplaceDescription()
         setupWeekNumbers()
@@ -342,9 +344,22 @@ class SettingsActivity : SimpleActivity() {
 
     private fun setupHighlightWeekends() {
         settings_highlight_weekends.isChecked = config.highlightWeekends
+        settings_highlight_weekends_color_holder.beVisibleIf(config.highlightWeekends)
         settings_highlight_weekends_holder.setOnClickListener {
             settings_highlight_weekends.toggle()
             config.highlightWeekends = settings_highlight_weekends.isChecked
+            settings_highlight_weekends_color_holder.beVisibleIf(config.highlightWeekends)
+        }
+    }
+    private fun setupHighlightWeekendsColor() {
+        settings_highlight_weekends_color.setFillWithStroke(config.highlightWeekendsColor, config.backgroundColor)
+        settings_highlight_weekends_color_holder.setOnClickListener {
+            ColorPickerDialog(this, config.highlightWeekendsColor) { wasPositivePressed, color ->
+                if (wasPositivePressed) {
+                    config.highlightWeekendsColor = color
+                    settings_highlight_weekends_color.setFillWithStroke(color, config.backgroundColor)
+                }
+            }
         }
     }
 
@@ -813,6 +828,7 @@ class SettingsActivity : SimpleActivity() {
                 put(USE_24_HOUR_FORMAT, config.use24HourFormat)
                 put(SUNDAY_FIRST, config.isSundayFirst)
                 put(HIGHLIGHT_WEEKENDS, config.highlightWeekends)
+                put(HIGHLIGHT_WEEKENDS_COLOR, config.highlightWeekendsColor)
             }
 
             exportSettings(configItems)
@@ -908,6 +924,7 @@ class SettingsActivity : SimpleActivity() {
                 USE_24_HOUR_FORMAT -> config.use24HourFormat = value.toBoolean()
                 SUNDAY_FIRST -> config.isSundayFirst = value.toBoolean()
                 HIGHLIGHT_WEEKENDS -> config.highlightWeekends = value.toBoolean()
+                HIGHLIGHT_WEEKENDS_COLOR -> config.highlightWeekendsColor = value.toInt()
             }
         }
 

app/src/main/kotlin/com/simplemobiletools/calendar/pro/helpers/Config.kt

@@ -230,7 +230,9 @@ class Config(context: Context) : BaseConfig(context) {
         get() = prefs.getBoolean(HIGHLIGHT_WEEKENDS, false)
         set(highlightWeekends) = prefs.edit().putBoolean(HIGHLIGHT_WEEKENDS, highlightWeekends).apply()
 
+    val defaultHighlightWeekendsColor = context.resources.getColor(R.color.red_text)
+
     var highlightWeekendsColor: Int
-        get() = prefs.getInt(HIGHLIGHT_WEEKENDS_COLOR, context.resources.getColor(R.color.red_text))
+        get() = prefs.getInt(HIGHLIGHT_WEEKENDS_COLOR, defaultHighlightWeekendsColor)
         set(highlightWeekendsColor) = prefs.edit().putInt(HIGHLIGHT_WEEKENDS_COLOR, highlightWeekendsColor).apply()
 }

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

@@ -57,6 +57,33 @@
                     android:text="@string/customize_widget_colors" />
 
             </RelativeLayout>
+
+            <RelativeLayout
+                android:id="@+id/settings_highlight_weekends_color_holder"
+                style="@style/SettingsHolderTextViewStyle"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="?attr/selectableItemBackground">
+
+                <com.simplemobiletools.commons.views.MyTextView
+                    android:id="@+id/settings_highlight_weekends_color_text"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:background="@null"
+                    android:clickable="false"
+                    android:layout_centerVertical="true"
+                    android:layout_toStartOf="@+id/settings_highlight_weekends_color"
+                    android:text="@string/highlight_weekends_color" />
+
+                <ImageView
+                    android:id="@+id/settings_highlight_weekends_color"
+                    android:layout_width="@dimen/color_sample_size"
+                    android:layout_height="@dimen/color_sample_size"
+                    android:layout_alignParentEnd="true"
+                    android:layout_marginEnd="@dimen/medium_margin"
+                    android:clickable="false" />
+
+            </RelativeLayout>
         </LinearLayout>
 
         <TextView