fix #282, add notification channel so it works fine on Android 8

app/build.gradle

@@ -43,7 +43,7 @@ ext {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.0.22'
+    implementation 'com.simplemobiletools:commons:3.0.23'
     implementation 'joda-time:joda-time:2.9.9'
     implementation 'com.facebook.stetho:stetho:1.5.0'
     implementation 'com.android.support:multidex:1.0.2'

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

@@ -1,10 +1,7 @@
 package com.simplemobiletools.calendar.extensions
 
-import android.annotation.TargetApi
-import android.app.AlarmManager
-import android.app.Notification
-import android.app.NotificationManager
-import android.app.PendingIntent
+import android.annotation.SuppressLint
+import android.app.*
 import android.appwidget.AppWidgetManager
 import android.content.ComponentName
 import android.content.Context
@@ -12,7 +9,6 @@ import android.content.Intent
 import android.content.res.Resources
 import android.graphics.Color
 import android.net.Uri
-import android.os.Build
 import android.support.v4.app.NotificationCompat
 import android.view.Gravity
 import android.view.View
@@ -73,7 +69,6 @@ fun Context.scheduleNextEventReminder(event: Event, dbHelper: DBHelper) {
 
     val now = (System.currentTimeMillis() / 1000).toInt()
     val reminderSeconds = event.getReminders().reversed().map { it * 60 }
-
     dbHelper.getEvents(now, now + YEAR, event.id) {
         if (it.isNotEmpty()) {
             for (curEvent in it) {
@@ -175,8 +170,21 @@ fun Context.notifyEvent(event: Event) {
     notificationManager.notify(event.id, notification)
 }
 
-@TargetApi(Build.VERSION_CODES.LOLLIPOP)
+@SuppressLint("NewApi")
 private fun getNotification(context: Context, pendingIntent: PendingIntent, event: Event, content: String): Notification {
+    val channelId = "reminder_channel"
+    if (context.isOreoPlus()) {
+        val notificationManager = context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+        val name = context.resources.getString(R.string.event_reminders)
+        val importance = NotificationManager.IMPORTANCE_HIGH
+        NotificationChannel(channelId, name, importance).apply {
+            enableLights(true)
+            lightColor = event.color
+            enableVibration(false)
+            notificationManager.createNotificationChannel(this)
+        }
+    }
+
     val soundUri = Uri.parse(context.config.reminderSound)
     val builder = NotificationCompat.Builder(context)
             .setContentTitle(event.title)
@@ -187,6 +195,7 @@ private fun getNotification(context: Context, pendingIntent: PendingIntent, even
             .setDefaults(Notification.DEFAULT_LIGHTS)
             .setAutoCancel(true)
             .setSound(soundUri)
+            .setChannelId(channelId)
             .addAction(R.drawable.ic_snooze, context.getString(R.string.snooze), getSnoozePendingIntent(context, event))
 
     if (context.isLollipopPlus())

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">eur</string>
     <string name="days_raw">a zevezhioù</string>
     <string name="add_another_reminder">Ouzhpennañ un adc\'halv all</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%dvunutenn a-raok</item>

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

@@ -122,6 +122,7 @@
     <string name="hours_raw">hodin</string>
     <string name="days_raw">dnů</string>
     <string name="add_another_reminder">Přidat další připomenutí</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">před %d minutou</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">hours</string>
     <string name="days_raw">days</string>
     <string name="add_another_reminder">Add another reminder</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minute before</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">Stunden</string>
     <string name="days_raw">Tage</string>
     <string name="add_another_reminder">Füge eine weitere Erinnerung hinzu</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d Minute vorher</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">horas</string>
     <string name="days_raw">días</string>
     <string name="add_another_reminder">Agregar otro recordatorio</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minuto antes</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">heures</string>
     <string name="days_raw">jours</string>
     <string name="add_another_reminder">Ajouter un autre rappel</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minute avant</item>

app/src/main/res/values-hi-rIN/strings.xml

@@ -118,6 +118,7 @@
     <string name="hours_raw">hours</string>
     <string name="days_raw">days</string>
     <string name="add_another_reminder">Add another reminder</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minute before</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">óra</string>
     <string name="days_raw">nap</string>
     <string name="add_another_reminder">Add another reminder</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d percel korábban</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">hours</string>
     <string name="days_raw">days</string>
     <string name="add_another_reminder">Add another reminder</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minute before</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">hours</string>
     <string name="days_raw">days</string>
     <string name="add_another_reminder">Add another reminder</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minute before</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">時間</string>
     <string name="days_raw">日</string>
     <string name="add_another_reminder">Add another reminder</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minute before</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">시간</string>
     <string name="days_raw">일</string>
     <string name="add_another_reminder">다른 알림 추가</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d 분 전</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">timer</string>
     <string name="days_raw">dager</string>
     <string name="add_another_reminder">Legg til en annen påminnelse</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minutt før</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">uren</string>
     <string name="days_raw">dagen</string>
     <string name="add_another_reminder">Herinnering toevoegen</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minuut van tevoren</item>

app/src/main/res/values-no/strings.xml

@@ -118,6 +118,7 @@
     <string name="hours_raw">timer</string>
     <string name="days_raw">dager</string>
     <string name="add_another_reminder">Legg til en annen påminnelse</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minutt før</item>

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

@@ -121,6 +121,7 @@
     <string name="hours_raw">godziny</string>
     <string name="days_raw">dni</string>
     <string name="add_another_reminder">Dodaj inne przypomnienie</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minutę przed</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">horas</string>
     <string name="days_raw">dias</string>
     <string name="add_another_reminder">Adicionar outro lembrete</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minuto antes</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">horas</string>
     <string name="days_raw">dias</string>
     <string name="add_another_reminder">Adicionar outro lembrete</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minuto antes</item>

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

@@ -126,6 +126,7 @@
     <string name="hours_raw">часов</string>
     <string name="days_raw">дней</string>
     <string name="add_another_reminder">Добавить ещё одно напоминание</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d минута до события</item>

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

@@ -122,6 +122,7 @@
     <string name="hours_raw">hodiny</string>
     <string name="days_raw">dni</string>
     <string name="add_another_reminder">Pridať ďalšiu pripomienku</string>
+    <string name="event_reminders">Pripomienky udalostí</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minútu vopred</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">timmar</string>
     <string name="days_raw">dagar</string>
     <string name="add_another_reminder">Lägg till en annan påminnelse</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minut före</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">saatler</string>
     <string name="days_raw">günler</string>
     <string name="add_another_reminder">Başka bir hatırlatma ekle</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d dakika önce</item>

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

@@ -118,6 +118,7 @@
     <string name="hours_raw">hours</string>
     <string name="days_raw">days</string>
     <string name="add_another_reminder">Add another reminder</string>
+    <string name="event_reminders">Event reminders</string>
 
     <plurals name="minutes_before">
         <item quantity="one">%d minute before</item>