修复下载图片时保存的图片格式与实际格式不相符的问题

Author: xiaojieonly

app/build.gradle

@@ -26,9 +26,9 @@ android {
 
     defaultConfig {
         applicationId "com.xjs.ehviewer"
-        minSdkVersion 24
+        minSdkVersion 23
         //noinspection ExpiredTargetSdkVersion
-        targetSdkVersion 30
+        targetSdkVersion 29
         versionCode 111
         versionName "1.9.9.3"
         vectorDrawables.useSupportLibrary = true

app/src/main/java/com/hippo/ehviewer/gallery/GalleryProvider2.java

@@ -29,6 +29,7 @@ public abstract class GalleryProvider2 extends GalleryProvider {
             ".jpeg",
             ".png", // Portable Network Graphics
             ".gif", // Graphics Interchange Format
+            ".webp"
     };
 
     public int getStartPage() {

app/src/main/java/com/hippo/ehviewer/spider/SpiderDen.java

@@ -321,8 +321,12 @@ private OutputStreamPipe openDownloadOutputStreamPipe(int index, @Nullable Strin
         if (dir == null) {
             return null;
         }
+        if (extension==null||!extension.contains(".")){
+            extension = fixExtension('.' + extension);
+        }else {
+            extension = fixExtension(extension);
+        }
 
-        extension = fixExtension('.' + extension);
         UniFile file = dir.createFile(generateImageFilename(index, extension));
         if (file != null) {
             return new UniFileOutputStreamPipe(file);

app/src/main/java/com/hippo/ehviewer/spider/SpiderQueen.java

@@ -1372,6 +1372,9 @@ private boolean downloadImage(long gid, int index, String pToken, String previou
                     MediaType mediaType = responseBody.contentType();
                     if (mediaType != null) {
                         extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mediaType.toString());
+                        if (extension != null&&!extension.contains(".")){
+                            extension= "."+extension;
+                        }
                     }
                     // Ensure extension
                     if (!Utilities.contain(GalleryProvider2.SUPPORT_IMAGE_EXTENSIONS, extension)) {