Use try-catch where appropriate

app/src/main/kotlin/de/rochefort/childmonitor/ListenService.kt

@@ -33,6 +33,7 @@ import android.util.Log
 import android.widget.Toast
 import androidx.core.app.NotificationCompat
 import androidx.core.app.ServiceCompat
+import java.io.IOException
 import java.io.InputStream
 import java.net.Socket
 
@@ -134,16 +135,13 @@ class ListenService : Service() {
     private fun doListen(address: String?, port: Int) {
         val lt = Thread {
             Socket(address, port).use { socket ->
-                val result = runCatching { socket.getInputStream() }
-                if (result.isSuccess) {
-                    result.getOrNull()?.let {inputStream ->
+                try {
+                    val inputStream = socket.getInputStream()
                     withAudioTrack { audioTrack ->
                         streamAudio(inputStream, audioTrack)
                     }
                 }
-                }
-                else {
-                    val exception = result.exceptionOrNull()
+                catch (exception : IOException) {
                     Log.e(TAG, "Failed to stream audio", exception)
                 }
             }
@@ -168,25 +166,24 @@ class ListenService : Service() {
             audioEncoding,
             bufferSize,
             AudioTrack.MODE_STREAM)
-        val playback = runCatching { audioTrack.play() }
-        if (playback.isFailure) {
-            Log.e(TAG, "Failed to start output due to ", playback.exceptionOrNull())
-            return
+        try {
+            audioTrack.play()
+            block(audioTrack)
         }
-
-        runCatching { block(audioTrack) }
+        catch (e : java.lang.IllegalStateException ) {
+            Log.e(TAG, "Failed to start output due to ", e)
+        }
+        finally {
             audioTrack.stop()
         }
+    }
 
     private fun streamAudio(inputStream: InputStream, audioTrack: AudioTrack) {
         val readBuffer = ByteArray(byteBufferSize)
         val decodedBuffer = ShortArray(byteBufferSize * 2)
+        try {
             while (!Thread.currentThread().isInterrupted) {
-            val read = runCatching { inputStream.read(readBuffer) }
-            if (read.isFailure) {
-                return
-            }
-            val len = read.getOrDefault(-1)
+                val len = inputStream.read(readBuffer)
                 if (len < 0) {
                     return
                 }
@@ -199,6 +196,9 @@ class ListenService : Service() {
                     updateCallback?.invoke()
                 }
             }
+        } catch (e: IOException) {
+            Log.e(TAG, "Failed to read from socket due to ")
+        }
     }
 
     private fun playAlert() {