From 74e91c86d1b5c91085de5034dc29c3537e396b05 Mon Sep 17 00:00:00 2001
From: kunfei <gekunfei@live.com>
Date: Tue, 24 May 2022 22:23:52 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=9B=BE=E7=89=87=E5=8A=A0?=
 =?UTF-8?q?=E8=BD=BD=E9=94=99=E8=AF=AF=E6=97=B6=E5=8D=A1=E9=A1=BF=E7=9A=84?=
 =?UTF-8?q?bug?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../app/ui/book/read/page/provider/ImageProvider.kt   | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/provider/ImageProvider.kt b/app/src/main/java/io/legado/app/ui/book/read/page/provider/ImageProvider.kt
index d88e26c95..054bf6371 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/provider/ImageProvider.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/provider/ImageProvider.kt
@@ -35,6 +35,7 @@ object ImageProvider {
     private val cacheSize =
         max(50 * M, min(100 * M, (Runtime.getRuntime().maxMemory() / 8).toInt()))
     val bitmapLruCache = object : LruCache<String, Bitmap>(cacheSize) {
+
         override fun sizeOf(key: String, bitmap: Bitmap): Int {
             return bitmap.byteCount
         }
@@ -45,9 +46,11 @@ object ImageProvider {
             oldBitmap: Bitmap,
             newBitmap: Bitmap?
         ) {
-            oldBitmap.recycle()
-            putDebug("ImageProvider: trigger bitmap recycle. URI: $key")
-            putDebug("ImageProvider : cacheUsage ${size()}bytes / ${maxSize()}bytes")
+            if (oldBitmap != errorBitmap) {
+                oldBitmap.recycle()
+                putDebug("ImageProvider: trigger bitmap recycle. URI: $key")
+                putDebug("ImageProvider : cacheUsage ${size()}bytes / ${maxSize()}bytes")
+            }
         }
     }
 
@@ -121,6 +124,8 @@ object ImageProvider {
             bitmapLruCache.put(src, bitmap)
             bitmap
         }.onFailure {
+            //错误图片占位,防止重复获取
+            bitmapLruCache.put(src, errorBitmap)
             putDebug(
                 "ImageProvider: decode bitmap failed. path: ${vFile.absolutePath}\n$it",
                 it