From ff7a6336db6fd179b59b00ed187a8716617a076b Mon Sep 17 00:00:00 2001
From: Ben Clayton <ben@calvium.com>
Date: Fri, 16 Jun 2017 10:36:25 +0100
Subject: [PATCH] Android: Catch IllegalStateException when trying to play
 file-based audio. (#205)

---
 .../src/main/java/com/zmxv/RNSound/RNSoundModule.java  | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/android/src/main/java/com/zmxv/RNSound/RNSoundModule.java b/android/src/main/java/com/zmxv/RNSound/RNSoundModule.java
index d865a61c..698032c1 100644
--- a/android/src/main/java/com/zmxv/RNSound/RNSoundModule.java
+++ b/android/src/main/java/com/zmxv/RNSound/RNSoundModule.java
@@ -13,6 +13,7 @@
 import com.facebook.react.bridge.ReactMethod;
 import com.facebook.react.bridge.ReadableMap;
 import com.facebook.react.bridge.WritableMap;
+import com.facebook.react.modules.core.ExceptionsManagerModule;
 
 import java.io.File;
 import java.util.HashMap;
@@ -87,7 +88,13 @@ public synchronized boolean onError(MediaPlayer mp, int what, int extra) {
         return true;
       }
     });
-    player.prepareAsync();
+
+    try {
+      player.prepareAsync();
+    } catch (IllegalStateException ignored) {
+      // When loading files from a file, we useMediaPlayer.create, which actually
+      // prepares the audio for us already. So we catch and ignore this error
+    }
   }
 
   protected MediaPlayer createMediaPlayer(final String fileName) {
@@ -111,6 +118,7 @@ protected MediaPlayer createMediaPlayer(final String fileName) {
     File file = new File(fileName);
     if (file.exists()) {
       Uri uri = Uri.fromFile(file);
+      // Mediaplayer is already prepared here.
       return MediaPlayer.create(this.context, uri);
     }
     return null;