From f9bc75e714bac272798ca693c918917c455be641 Mon Sep 17 00:00:00 2001
From: Jimmy Sun <jimmysuncpt@gmail.com>
Date: Sat, 15 Dec 2018 16:39:49 +0800
Subject: [PATCH] Fix a list removing bug in Camera2

---
 .../main/api21/com/google/android/cameraview/Camera2.java   | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/library/src/main/api21/com/google/android/cameraview/Camera2.java b/library/src/main/api21/com/google/android/cameraview/Camera2.java
index 4835f89e..0440c749 100644
--- a/library/src/main/api21/com/google/android/cameraview/Camera2.java
+++ b/library/src/main/api21/com/google/android/cameraview/Camera2.java
@@ -426,9 +426,11 @@ private void collectCameraInfo() {
         }
         mPictureSizes.clear();
         collectPictureSizes(mPictureSizes, map);
-        for (AspectRatio ratio : mPreviewSizes.ratios()) {
+        Iterator<AspectRatio> iterator = mPreviewSizes.ratios().iterator();
+        while (iterator.hasNext()) {
+            AspectRatio ratio = iterator.next();
             if (!mPictureSizes.ratios().contains(ratio)) {
-                mPreviewSizes.remove(ratio);
+                iterator.remove();
             }
         }