...

app/src/main/java/com/base/pdfviewerscannerwhite/ui/document/pdf/PdfBoxUtils.kt

@@ -29,7 +29,9 @@ object PdfBoxUtils {
     fun getNumberOfPages(filePath: String, password: String? = null, uri: String? = null): Int {
         val document =
             loadPDDocument(path = filePath, password, uri)
-        return document.numberOfPages
+        val number = document.numberOfPages
+        document.close()
+        return number
     }
 
 
@@ -43,10 +45,9 @@ object PdfBoxUtils {
     ): Drawable {
         val document = loadPDDocument(filePath, password, uri)
         val renderer = PDFRenderer(document)
-
         val bitmap: Bitmap = renderer.renderImage(pageIndex, scale, ImageType.RGB, RenderDestination.EXPORT)
-
         val drawable = BitmapDrawable(context.resources, bitmap)
+        document.close()
 
         return drawable
     }
@@ -143,8 +144,9 @@ object PdfBoxUtils {
         password: String,
         uri: String? = null
     ): Boolean {
+        var pdfDocument: PDDocument? = null
         try {
-            val pdfDocument = loadPDDocument(filePath, password, uri)
+            pdfDocument = loadPDDocument(filePath, password, uri)
             // 尝试使用提供的密码加载PDF文件
             pdfDocument.use { document ->
                 // 如果没有抛出异常，说明密码正确
@@ -156,10 +158,15 @@ object PdfBoxUtils {
         } catch (e: IOException) {
             // 其他I/O异常处理
             println("An I/O error occurred: " + e.message)
+        } finally {
+            pdfDocument?.close()
         }
         return false
     }
 
+    /**
+     * 注意一下PDDocument用完都要关闭一下
+     */
     private fun loadPDDocument(path: String, password: String?, uri: String? = null): PDDocument {
         return if (uri == null) {
             if (password == null) {