Android: Fix java.lang.ArrayIndexOutOfBoundsException with image rota…

…tion
react-native-camera · May 17, 2018 · 6ce014d · 6ce014d
1 parent a459909
commit 6ce014d
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/android/src/main/java/org/reactnative/camera/RNCameraView.java b/android/src/main/java/org/reactnative/camera/RNCameraView.java
@@ -108,7 +108,11 @@ private byte[] rotateImage(byte[] imageData, int height, int width) {
         byte[] rotated = new byte[imageData.length];
         for (int y = 0; y < width; y++) {
           for (int x = 0; x < height; x++) {
-            rotated[x * width + width - y - 1] = imageData[x + y * height];
+            int sourceIx = x + y * height;
+            int destIx = x * width + width - y - 1;
+            if (sourceIx >= 0 && sourceIx < imageData.length && destIx >= 0 && destIx < imageData.length) {
+              rotated[destIx] = imageData[sourceIx];
+            }
           }
         }
         return rotated;