Issue 1574: Fixed the almost invisible watch hands in snooze activity (#1592)

* Setting the current theme correctly

* Ktlint correction

uhabits-android/src/main/java/org/isoron/uhabits/notifications/SnoozeDelayPickerActivity.kt

@@ -33,7 +33,8 @@ import org.isoron.uhabits.HabitsApplication
 import org.isoron.uhabits.R
 import org.isoron.uhabits.activities.AndroidThemeSwitcher
 import org.isoron.uhabits.core.models.Habit
-import org.isoron.uhabits.core.ui.ThemeSwitcher.Companion.THEME_LIGHT
+import org.isoron.uhabits.core.ui.views.DarkTheme
+import org.isoron.uhabits.core.ui.views.LightTheme
 import org.isoron.uhabits.receivers.ReminderController
 import org.isoron.uhabits.utils.SystemUtils
 import java.util.Calendar
@@ -51,11 +52,8 @@ class SnoozeDelayPickerActivity : FragmentActivity(), OnItemClickListener {
         val app = applicationContext as HabitsApplication
         val appComponent = app.component
         val themeSwitcher = AndroidThemeSwitcher(this, appComponent.preferences)
-        if (themeSwitcher.getSystemTheme() == THEME_LIGHT) {
-            setTheme(R.style.BaseDialog)
-        } else {
-            setTheme(R.style.BaseDialogDark)
-        }
+        themeSwitcher.setTheme()
+
         val data = intent.data
         if (data == null) {
             finish()
@@ -75,6 +73,16 @@ class SnoozeDelayPickerActivity : FragmentActivity(), OnItemClickListener {
         SystemUtils.unlockScreen(this)
     }
 
+    private fun AndroidThemeSwitcher.setTheme() {
+        if (this.isNightMode) {
+            setTheme(R.style.BaseDialogDark)
+            this.currentTheme = DarkTheme()
+        } else {
+            setTheme(R.style.BaseDialog)
+            this.currentTheme = LightTheme()
+        }
+    }
+
     private fun showTimePicker() {
         val calendar = Calendar.getInstance()
         val dialog = TimePickerDialog.newInstance(