From e1d3b04dd0437b1364dcde47c557a2ee843b4323 Mon Sep 17 00:00:00 2001
From: Dennis Guse <dennis.guse@alumni.tu-berlin.de>
Date: Sun, 16 Jan 2022 16:26:30 +0100
Subject: [PATCH] Bugfix: MediaPlayer creation might fail for ttsFallback. Seen
 on a Fairphone 4.

Part of #963.
---
 .../announcement/VoiceAnnouncement.java        | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/src/main/java/de/dennisguse/opentracks/services/announcement/VoiceAnnouncement.java b/src/main/java/de/dennisguse/opentracks/services/announcement/VoiceAnnouncement.java
index bbf89dc73..1470430ba 100644
--- a/src/main/java/de/dennisguse/opentracks/services/announcement/VoiceAnnouncement.java
+++ b/src/main/java/de/dennisguse/opentracks/services/announcement/VoiceAnnouncement.java
@@ -126,8 +126,12 @@ public class VoiceAnnouncement {
         }
         if (ttsFallback == null) {
             ttsFallback = MediaPlayer.create(context, R.raw.tts_fallback);
-            ttsFallback.setAudioStreamType(AUDIO_STREAM);
-            ttsFallback.setLooping(false);
+            if (ttsFallback == null) {
+                Log.w(TAG, "MediaPlayer for ttsFallback could not be created.");
+            } else {
+                ttsFallback.setAudioStreamType(AUDIO_STREAM);
+                ttsFallback.setLooping(false);
+            }
         }
     }
 
@@ -148,9 +152,13 @@ public class VoiceAnnouncement {
         }
 
         if (!ttsReady) {
-            Log.i(TAG, "TTS not ready/available, just generating a tone.");
-            ttsFallback.seekTo(0);
-            ttsFallback.start();
+            if (ttsFallback == null) {
+                Log.w(TAG, "MediaPlayer for ttsFallback was not created.");
+            } else {
+                Log.i(TAG, "TTS not ready/available, just generating a tone.");
+                ttsFallback.seekTo(0);
+                ttsFallback.start();
+            }
             return;
         }