add a Save button and save the custom reminder value

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

@@ -240,9 +240,6 @@ class EventActivity : SimpleActivity(), DBHelper.EventsListener {
             1 -> 0
             else -> {
                 val value = custom_reminder_value.value
-                if (value.isEmpty())
-                    0
-
                 val multiplier = when (custom_reminder_other_period.selectedItemPosition) {
                     1 -> Constants.HOUR_MINS
                     2 -> Constants.DAY_MINS

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

@@ -6,9 +6,7 @@ import android.view.View
 import android.widget.AdapterView
 import com.simplemobiletools.calendar.Constants
 import com.simplemobiletools.calendar.R
-import com.simplemobiletools.calendar.extensions.beVisibleIf
+import com.simplemobiletools.calendar.extensions.*
-import com.simplemobiletools.calendar.extensions.hideKeyboard
-import com.simplemobiletools.calendar.extensions.showKeyboard
 import kotlinx.android.synthetic.main.activity_settings.*
 
 class SettingsActivity : SimpleActivity() {
@@ -55,19 +53,23 @@ class SettingsActivity : SimpleActivity() {
             Constants.REMINDER_AT_START -> 1
             else -> 2
         })
+        custom_reminder_save.setTextColor(custom_reminder_other_val.currentTextColor)
         setupReminderPeriod(reminderMinutes)
         settings_custom_reminder_holder.beVisibleIf(reminderType == 2)
+        custom_reminder_save.setOnClickListener { saveReminder() }
 
         settings_default_reminder.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
             override fun onNothingSelected(p0: AdapterView<*>?) {
             }
 
             override fun onItemSelected(p0: AdapterView<*>?, p1: View?, itemIndex: Int, p3: Long) {
-                settings_custom_reminder_holder.beVisibleIf(itemIndex == 2)
+                if (itemIndex == 2) {
-                if (itemIndex == 2)
+                    settings_custom_reminder_holder.visibility = View.VISIBLE
                     showKeyboard(custom_reminder_value)
-                else
+                } else {
                     hideKeyboard()
+                    settings_custom_reminder_holder.visibility = View.GONE
+                }
 
                 mConfig.defaultReminderType = when (itemIndex) {
                     0 -> Constants.REMINDER_OFF
@@ -78,6 +80,17 @@ class SettingsActivity : SimpleActivity() {
         }
     }
 
+    private fun saveReminder() {
+        val value = custom_reminder_value.value
+        val multiplier = when (custom_reminder_other_period.selectedItemPosition) {
+            1 -> Constants.HOUR_MINS
+            2 -> Constants.DAY_MINS
+            else -> 1
+        }
+        mConfig.defaultReminderMinutes = Integer.valueOf(value) * multiplier
+        toast(R.string.reminder_saved)
+    }
+
     private fun setupReminderPeriod(mins: Int) {
         var value = mins
         if (mins == 0) {

app/src/main/kotlin/com/simplemobiletools/calendar/extensions/Context.kt

@@ -4,6 +4,7 @@ import android.appwidget.AppWidgetManager
 import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
+import android.widget.Toast
 import com.simplemobiletools.calendar.MyWidgetProvider
 import com.simplemobiletools.calendar.R
 
@@ -18,3 +19,7 @@ fun Context.updateWidget() {
     intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, ids)
     sendBroadcast(intent)
 }
+
+fun Context.toast(id: Int) = Toast.makeText(this, resources.getString(id), Toast.LENGTH_SHORT).show()
+
+fun Context.toast(message: String) = Toast.makeText(this, message, Toast.LENGTH_SHORT).show()

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

@@ -119,6 +119,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginLeft="@dimen/settings_padding"
+            android:layout_marginRight="@dimen/activity_margin"
             android:layout_marginTop="@dimen/settings_padding"
             android:visibility="gone">
 
@@ -129,7 +130,7 @@
                 android:layout_marginLeft="@dimen/activity_margin"
                 android:digits="0123456789"
                 android:inputType="number"
-                android:minEms="5"
+                android:minEms="3"
                 android:textSize="@dimen/day_text_size"/>
 
             <android.support.v7.widget.AppCompatSpinner
@@ -141,7 +142,7 @@
                 android:layout_toRightOf="@+id/custom_reminder_value"
                 android:entries="@array/custom_reminders"
                 android:gravity="center_vertical"
-                android:paddingLeft="@dimen/activity_margin"/>
+                android:paddingLeft="@dimen/settings_padding"/>
 
             <TextView
                 android:id="@+id/custom_reminder_other_val"
@@ -153,6 +154,17 @@
                 android:gravity="center_vertical"
                 android:text="@string/before"/>
 
+            <Button
+                android:id="@+id/custom_reminder_save"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignBottom="@+id/custom_reminder_value"
+                android:layout_alignParentRight="true"
+                android:layout_alignTop="@+id/custom_reminder_value"
+                android:background="?android:attr/selectableItemBackground"
+                android:textSize="@dimen/day_text_size"
+                android:text="@string/save"/>
+
         </RelativeLayout>
     </LinearLayout>
 </ScrollView>

app/src/main/res/values-de/strings.xml

@@ -65,6 +65,7 @@
     <string name="sunday_first">Sonntag als erster Wochentag</string>
     <string name="week_numbers">Zeige Kalenderwoche an</string>
     <string name="default_event_reminder">Default event reminder</string>
+    <string name="reminder_saved">Reminder saved</string>
 
     <!-- License -->
     <string name="notice">Diese App nutzt die folgenden Drittanbieterbibliotheken, die mein Leben einfacher machen. Danke.</string>

app/src/main/res/values-it/strings.xml

@@ -65,6 +65,7 @@
     <string name="sunday_first">Sunday as first day</string>
     <string name="week_numbers">Display week numbers</string>
     <string name="default_event_reminder">Default event reminder</string>
+    <string name="reminder_saved">Reminder saved</string>
 
     <!-- License -->
     <string name="notice">Questa app usa le seguenti librerie di terze parti per semplificarmi la vita. Grazie.</string>

app/src/main/res/values-ja/strings.xml

@@ -65,6 +65,7 @@
     <string name="sunday_first">Sunday as first day</string>
     <string name="week_numbers">Display week numbers</string>
     <string name="default_event_reminder">Default event reminder</string>
+    <string name="reminder_saved">Reminder saved</string>
 
     <!-- License -->
     <string name="notice">このアプリは、私の人生を容易にするために、次のサードパーティのライブラリーを使用しています。 ありがとうございます。</string>

app/src/main/res/values-pt-rPT/strings.xml

@@ -65,6 +65,7 @@
     <string name="sunday_first">Domingo como primeiro dia</string>
     <string name="week_numbers">Display week numbers</string>
     <string name="default_event_reminder">Default event reminder</string>
+    <string name="reminder_saved">Reminder saved</string>
 
     <!-- License -->
     <string name="notice">Esta aplicação usa as seguintes bibliotecas de terceiros para facilitar a minha vida. Obrigado.</string>

app/src/main/res/values-sv/strings.xml

@@ -65,6 +65,7 @@
     <string name="sunday_first">Sunday as first day</string>
     <string name="week_numbers">Display week numbers</string>
     <string name="default_event_reminder">Default event reminder</string>
+    <string name="reminder_saved">Reminder saved</string>
 
     <!-- License -->
     <string name="notice">Denna app använder följande tredjepartsbibliotek för att göra mitt liv enklare. Tack.</string>

app/src/main/res/values/strings.xml

@@ -66,6 +66,7 @@
     <string name="sunday_first">Sunday as first day</string>
     <string name="week_numbers">Display week numbers</string>
     <string name="default_event_reminder">Default event reminder</string>
+    <string name="reminder_saved">Reminder saved</string>
 
     <!-- License -->
     <string name="notice">This app uses the following third party libraries to make my life easier. Thank you.</string>