adding a service with a notification

app/src/main/AndroidManifest.xml

@@ -5,6 +5,7 @@
     android:installLocation="auto">
 
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
     <uses-permission
         android:name="android.permission.WRITE_EXTERNAL_STORAGE"
         android:maxSdkVersion="28" />
@@ -63,5 +64,7 @@
             android:label="@string/frequently_asked_questions"
             android:parentActivityName="com.simplemobiletools.commons.activities.AboutActivity" />
 
+        <service android:name=".services.RecorderService"/>
+
     </application>
 </manifest>

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

@@ -19,6 +19,7 @@ import com.simplemobiletools.commons.helpers.isQPlus
 import com.simplemobiletools.commons.models.FAQItem
 import com.simplemobiletools.voicerecorder.BuildConfig
 import com.simplemobiletools.voicerecorder.R
+import com.simplemobiletools.voicerecorder.services.RecorderService
 import kotlinx.android.synthetic.main.activity_main.*
 import java.io.File
 import java.io.IOException
@@ -139,6 +140,10 @@ class MainActivity : SimpleActivity() {
                 duration = 0
                 timer = Timer()
                 timer.scheduleAtFixedRate(getTimerTask(), 1000, 1000)
+
+                Intent(this@MainActivity, RecorderService::class.java).apply {
+                    startService(this)
+                }
             } catch (e: IOException) {
                 showErrorToast(e)
             }
@@ -148,6 +153,10 @@ class MainActivity : SimpleActivity() {
     private fun stopRecording() {
         timer.cancel()
 
+        Intent(this@MainActivity, RecorderService::class.java).apply {
+            stopService(this)
+        }
+
         recorder?.apply {
             stop()
             release()

app/src/main/kotlin/com/simplemobiletools/voicerecorder/helpers/Constants.kt

@@ -0,0 +1,3 @@
+package com.simplemobiletools.voicerecorder.helpers
+
+const val RECORDER_RUNNING_NOTIF_ID = 10000

app/src/main/kotlin/com/simplemobiletools/voicerecorder/services/RecorderService.kt

@@ -0,0 +1,57 @@
+package com.simplemobiletools.voicerecorder.services
+
+import android.annotation.TargetApi
+import android.app.*
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.os.IBinder
+import androidx.core.app.NotificationCompat
+import com.simplemobiletools.commons.extensions.getLaunchIntent
+import com.simplemobiletools.commons.helpers.isOreoPlus
+import com.simplemobiletools.voicerecorder.R
+import com.simplemobiletools.voicerecorder.activities.SplashActivity
+import com.simplemobiletools.voicerecorder.helpers.RECORDER_RUNNING_NOTIF_ID
+
+class RecorderService : Service() {
+    override fun onBind(intent: Intent?): IBinder? = null
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        super.onStartCommand(intent, flags, startId)
+        startForeground(RECORDER_RUNNING_NOTIF_ID, showNotification())
+        return START_NOT_STICKY
+    }
+
+    @TargetApi(Build.VERSION_CODES.O)
+    private fun showNotification(): Notification {
+        val channelId = "simple_recorder"
+        val label = getString(R.string.app_name)
+        val notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+        if (isOreoPlus()) {
+            val importance = NotificationManager.IMPORTANCE_DEFAULT
+            NotificationChannel(channelId, label, importance).apply {
+                setSound(null, null)
+                notificationManager.createNotificationChannel(this)
+            }
+        }
+
+        val builder = NotificationCompat.Builder(this)
+            .setContentTitle(label)
+            .setContentText(getString(R.string.recording))
+            .setSmallIcon(R.drawable.ic_mic_vector)
+            .setContentIntent(getOpenAppIntent())
+            .setPriority(Notification.PRIORITY_DEFAULT)
+            .setSound(null)
+            .setOngoing(true)
+            .setAutoCancel(true)
+            .setChannelId(channelId)
+
+        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
+        return builder.build()
+    }
+
+    private fun getOpenAppIntent(): PendingIntent {
+        val intent = getLaunchIntent() ?: Intent(this, SplashActivity::class.java)
+        return PendingIntent.getActivity(this, RECORDER_RUNNING_NOTIF_ID, intent, PendingIntent.FLAG_UPDATE_CURRENT)
+    }
+}

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

@@ -2,4 +2,5 @@
     <string name="app_name">Jednoduchý nahrávač hlasu</string>
     <string name="app_launcher_name">Nahrávač hlasu</string>
     <string name="recording_saved_successfully">Nahrávka bola uložená ako \n\"%s\"</string>
+    <string name="recording">Nahráva sa</string>
 </resources>

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

@@ -2,4 +2,5 @@
     <string name="app_name">Simple Voice Recorder</string>
     <string name="app_launcher_name">Voice Recorder</string>
     <string name="recording_saved_successfully">Recording saved successfully as\n\"%s\"</string>
+    <string name="recording">Recording</string>
 </resources>