Save shared pdf in cache on Android

@@ -6,6 +6,7 @@
 - Improve native code
 - Add Printing.info()
 - Use PageTheme in example
+- Save shared pdf in cache on Android
 
 ## 2.1.9
 

@@ -155,9 +155,14 @@ public class PrintingJob extends PrintDocumentAdapter {
         assert name != null;
 
         try {
-            final File externalFilesDirectory =
-                    context.getExternalFilesDir(Environment.DIRECTORY_DOCUMENTS);
-            File shareFile = new File(externalFilesDirectory, name);
+            final File shareDirectory = new File(context.getCacheDir(), "share");
+            if (!shareDirectory.exists()) {
+                if (!shareDirectory.mkdirs()) {
+                    throw new IOException("Unable to create cache directory");
+                }
+            }
+
+            File shareFile = new File(shareDirectory, name);
 
             FileOutputStream stream = new FileOutputStream(shareFile);
             stream.write(data);

 <?xml version="1.0" encoding="utf-8"?>
 <paths>
-    <external-path name="external_files" path="."/>
-</paths>
\ No newline at end of file
+    <cache-path name="share" path="/share/"/>
+</paths>