From 5d45f22bc0aa147d52fd49144abba52592f2abbe Mon Sep 17 00:00:00 2001
From: Ztiany <Ztiany3@gmail.com>
Date: Wed, 13 Nov 2019 19:49:38 +0800
Subject: [PATCH] fix pulltozommview

---
 .../android/base/widget/pulltozoom/PullToZoomScrollView.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib_base/src/main/java/com/android/base/widget/pulltozoom/PullToZoomScrollView.java b/lib_base/src/main/java/com/android/base/widget/pulltozoom/PullToZoomScrollView.java
index 995a473..a1d1eca 100644
--- a/lib_base/src/main/java/com/android/base/widget/pulltozoom/PullToZoomScrollView.java
+++ b/lib_base/src/main/java/com/android/base/widget/pulltozoom/PullToZoomScrollView.java
@@ -232,7 +232,8 @@ public class PullToZoomScrollView extends NestedScrollView {
         float addOffset = (height - mOriginContainerViewHeight) * mZoomFactory / mOriginContainerViewHeight;
         float scale = height * 1.0F / mOriginContainerViewHeight + addOffset;
         Timber.d("scale = %f", scale);
-        if (!Float.isInfinite(scale)) {
+
+        if (!Float.isInfinite(scale) && !Float.isNaN(scale)) {
             mZoomView.setScaleX(scale);
             mZoomView.setScaleY(scale);
         } else {