Handle record audio intent

There's a related Intent-extra used to define the maximum file size `MediaStore.Audio.Media.EXTRA_MAX_BYTES` but it's not yet handled by the app (I doubt many apps use it)

app/src/main/AndroidManifest.xml

@@ -68,8 +68,13 @@
         <activity
             android:name=".activities.MainActivity"
             android:configChanges="orientation|screenSize"
-            android:exported="false"
-            android:launchMode="singleTask" />
+            android:exported="true"
+            android:launchMode="singleTask">
+            <intent-filter>
+                <action android:name="android.provider.MediaStore.RECORD_SOUND" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
 
         <activity
             android:name=".activities.SettingsActivity"

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

@@ -1,7 +1,9 @@
 package com.simplemobiletools.voicerecorder.activities
 
+import android.app.Activity
 import android.content.Intent
 import android.os.Bundle
+import android.provider.MediaStore
 import android.widget.ImageView
 import android.widget.TextView
 import com.simplemobiletools.commons.extensions.*
@@ -12,12 +14,18 @@ import com.simplemobiletools.voicerecorder.R
 import com.simplemobiletools.voicerecorder.adapters.ViewPagerAdapter
 import com.simplemobiletools.voicerecorder.extensions.config
 import com.simplemobiletools.voicerecorder.helpers.STOP_AMPLITUDE_UPDATE
+import com.simplemobiletools.voicerecorder.models.Events
 import com.simplemobiletools.voicerecorder.services.RecorderService
 import kotlinx.android.synthetic.main.activity_main.*
 import me.grantland.widget.AutofitHelper
+import org.greenrobot.eventbus.EventBus
+import org.greenrobot.eventbus.Subscribe
+import org.greenrobot.eventbus.ThreadMode
 
 class MainActivity : SimpleActivity() {
 
+    private var bus: EventBus? = null
+
     override fun onCreate(savedInstanceState: Bundle?) {
         isMaterialActivity = true
         super.onCreate(savedInstanceState)
@@ -41,6 +49,8 @@ class MainActivity : SimpleActivity() {
             }
         }
 
+        bus = EventBus.getDefault()
+        bus!!.register(this)
         if (config.recordAfterLaunch && !RecorderService.isRunning) {
             Intent(this@MainActivity, RecorderService::class.java).apply {
                 try {
@@ -65,6 +75,7 @@ class MainActivity : SimpleActivity() {
 
     override fun onDestroy() {
         super.onDestroy()
+        bus?.unregister(this)
         getPagerAdapter()?.onDestroy()
 
         Intent(this@MainActivity, RecorderService::class.java).apply {
@@ -79,6 +90,9 @@ class MainActivity : SimpleActivity() {
     override fun onBackPressed() {
         if (main_menu.isSearchOpen) {
             main_menu.closeSearch()
+        } else if (isThirdPartyIntent()) {
+            setResult(Activity.RESULT_CANCELED, null)
+            super.onBackPressed()
         } else {
             super.onBackPressed()
         }
@@ -166,9 +180,13 @@ class MainActivity : SimpleActivity() {
             (view_pager.adapter as ViewPagerAdapter).finishActMode()
         }
 
+        if (isThirdPartyIntent()) {
+            view_pager.currentItem = 0
+        } else {
             view_pager.currentItem = config.lastUsedViewPagerPage
             main_tabs_holder.getTabAt(config.lastUsedViewPagerPage)?.select()
         }
+    }
 
     private fun setupTabColors() {
         val activeView = main_tabs_holder.getTabAt(view_pager.currentItem)?.customView
@@ -206,4 +224,18 @@ class MainActivity : SimpleActivity() {
 
         startAboutActivity(R.string.app_name, licenses, BuildConfig.VERSION_NAME, faqItems, true)
     }
+
+    private fun isThirdPartyIntent() = intent?.action == MediaStore.Audio.Media.RECORD_SOUND_ACTION
+
+    @Subscribe(threadMode = ThreadMode.MAIN)
+    fun recordingSaved(event: Events.RecordingSaved) {
+        if (isThirdPartyIntent()) {
+            Intent().apply {
+                data = event.uri!!
+                flags = Intent.FLAG_GRANT_READ_URI_PERMISSION
+                setResult(Activity.RESULT_OK, this)
+            }
+            finish()
+        }
+    }
 }

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

@@ -1,8 +1,11 @@
 package com.simplemobiletools.voicerecorder.models
 
+import android.net.Uri
+
 class Events {
     class RecordingDuration internal constructor(val duration: Int)
     class RecordingStatus internal constructor(val status: Int)
     class RecordingAmplitude internal constructor(val amplitude: Int)
     class RecordingCompleted internal constructor()
+    class RecordingSaved internal constructor(val uri: Uri?)
 }

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

@@ -7,6 +7,7 @@ import android.content.ContentValues
 import android.content.Context
 import android.content.Intent
 import android.media.MediaScannerConnection
+import android.net.Uri
 import android.os.Build
 import android.os.IBinder
 import android.provider.MediaStore
@@ -202,7 +203,7 @@ class RecorderService : Service() {
             val outputStream = contentResolver.openOutputStream(newUri)
             val inputStream = getFileInputStreamSync(currFilePath)
             inputStream!!.copyTo(outputStream!!, DEFAULT_BUFFER_SIZE)
-            recordingSavedSuccessfully()
+            recordingSavedSuccessfully(newUri)
         } catch (e: Exception) {
             showErrorToast(e)
         }
@@ -213,11 +214,12 @@ class RecorderService : Service() {
             this,
             arrayOf(currFilePath),
             arrayOf(currFilePath.getMimeType())
-        ) { _, _ -> recordingSavedSuccessfully() }
+        ) { _, uri -> recordingSavedSuccessfully(uri) }
     }
 
-    private fun recordingSavedSuccessfully() {
+    private fun recordingSavedSuccessfully(savedUri: Uri) {
         toast(R.string.recording_saved_successfully)
+        EventBus.getDefault().post(Events.RecordingSaved(savedUri))
     }
 
     private fun getDurationUpdateTask() = object : TimerTask() {