prepare for using EventBus for communication with the recording service

app/build.gradle

@@ -39,4 +39,5 @@ android {
 
 dependencies {
     implementation 'com.simplemobiletools:commons:5.24.3'
+    implementation 'org.greenrobot:eventbus:3.2.0'
 }

app/src/main/AndroidManifest.xml

@@ -5,7 +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.FOREGROUND_SERVICE" />
     <uses-permission
         android:name="android.permission.WRITE_EXTERNAL_STORAGE"
         android:maxSdkVersion="28" />
@@ -64,7 +64,13 @@
             android:label="@string/frequently_asked_questions"
             android:parentActivityName="com.simplemobiletools.commons.activities.AboutActivity" />
 
-        <service android:name=".services.RecorderService"/>
+        <service
+            android:name=".services.RecorderService"
+            android:exported="false">
+            <intent-filter>
+                <action android:name="com.simplemobiletools.voicerecorder.action.GET_DURATION" />
+            </intent-filter>
+        </service>
 
     </application>
 </manifest>

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

@@ -19,8 +19,12 @@ 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.helpers.GET_DURATION
+import com.simplemobiletools.voicerecorder.models.Events
 import com.simplemobiletools.voicerecorder.services.RecorderService
 import kotlinx.android.synthetic.main.activity_main.*
+import org.greenrobot.eventbus.EventBus
+import org.greenrobot.eventbus.Subscribe
 import java.io.File
 import java.io.IOException
 import java.util.*
@@ -28,6 +32,7 @@ import java.util.*
 class MainActivity : SimpleActivity() {
     private var isRecording = false
     private var recorder: MediaRecorder? = null
+    private var bus: EventBus? = null
     private var currFilePath = ""
     private var duration = 0
     private var timer = Timer()
@@ -64,6 +69,11 @@ class MainActivity : SimpleActivity() {
         recorder = null
     }
 
+    override fun onDestroy() {
+        super.onDestroy()
+        bus?.unregister(this)
+    }
+
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         menuInflater.inflate(R.menu.menu, menu)
         return true
@@ -93,11 +103,19 @@ class MainActivity : SimpleActivity() {
     }
 
     private fun initVoiceRecorder() {
+        bus = EventBus.getDefault()
+        bus!!.register(this)
+
         duration = 0
         updateRecordingDuration()
         toggle_recording_button.setOnClickListener {
             toggleRecording()
         }
+
+        Intent(this@MainActivity, RecorderService::class.java).apply {
+            action = GET_DURATION
+            startService(this)
+        }
     }
 
     private fun toggleRecording() {
@@ -172,6 +190,11 @@ class MainActivity : SimpleActivity() {
         recorder = null
     }
 
+    @Subscribe
+    fun gotDurationEvent(event: Events.RecordingDuration) {
+
+    }
+
     @SuppressLint("InlinedApi")
     private fun addFileInNewMediaStore() {
         val audioCollection = MediaStore.Audio.Media.getContentUri(MediaStore.VOLUME_EXTERNAL_PRIMARY)

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

@@ -1,3 +1,6 @@
 package com.simplemobiletools.voicerecorder.helpers
 
 const val RECORDER_RUNNING_NOTIF_ID = 10000
+
+private const val PATH = "com.simplemobiletools.voicerecorder.action."
+const val GET_DURATION = PATH + "GET_DURATION"

app/src/main/kotlin/com/simplemobiletools/voicerecorder/models/Events.kt

@@ -0,0 +1,5 @@
+package com.simplemobiletools.voicerecorder.models
+
+class Events {
+    class RecordingDuration internal constructor(val duration: Int)
+}

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

@@ -11,14 +11,24 @@ 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.GET_DURATION
 import com.simplemobiletools.voicerecorder.helpers.RECORDER_RUNNING_NOTIF_ID
+import com.simplemobiletools.voicerecorder.models.Events
+import org.greenrobot.eventbus.EventBus
 
 class RecorderService : Service() {
     override fun onBind(intent: Intent?): IBinder? = null
 
-    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+    override fun onStartCommand(intent: Intent, flags: Int, startId: Int): Int {
         super.onStartCommand(intent, flags, startId)
-        startForeground(RECORDER_RUNNING_NOTIF_ID, showNotification())
+
+        val action = intent.action
+        if (action == GET_DURATION) {
+            broadcastDuration()
+        } else {
+            startForeground(RECORDER_RUNNING_NOTIF_ID, showNotification())
+        }
+
         return START_NOT_STICKY
     }
 
@@ -54,4 +64,8 @@ class RecorderService : Service() {
         val intent = getLaunchIntent() ?: Intent(this, SplashActivity::class.java)
         return PendingIntent.getActivity(this, RECORDER_RUNNING_NOTIF_ID, intent, PendingIntent.FLAG_UPDATE_CURRENT)
     }
+
+    private fun broadcastDuration() {
+        EventBus.getDefault().post(Events.RecordingDuration(3))
+    }
 }