...提交部分功能...

app/src/main/java/com/base/superpdfreader/activity/PdfBrowserActivity.kt

@@ -52,8 +52,10 @@ class PdfBrowserActivity : BaseActivity<ActivityPdfBrowserBinding>() {
                     finishToMain()
                 }, ok = { password ->
                     var pdDocument: PDDocument? = null
-                    runCatching {
-                        pdDocument = PDDocument.load(file, password)
+                    pdDocument = try {
+                        PDDocument.load(file, password)
+                    } catch (e: Exception) {
+                        null
                     }
                     if (pdDocument != null) {
                         dialog?.dismiss()

app/src/main/java/com/base/superpdfreader/view/DialogViews.kt

@@ -120,26 +120,28 @@ object DialogViews {
 
         val dialog = AlertDialog.Builder(this)
             .setView(view)
-            .setPositiveButton("OK")
-            { dialog, which ->
-                val pwd = binding.editPassword.text.toString()
-                if (pwd.isEmpty()) {
-                    Toast.makeText(this, "Password cannot be empty", Toast.LENGTH_SHORT).show()
-                    return@setPositiveButton
-                }
-                ok.invoke(pwd)
-            }.setNegativeButton("CANCEL")
+            .setPositiveButton("OK", null)
+            .setNegativeButton("CANCEL")
             { dialog, which ->
                 dialog.dismiss()
                 cancel.invoke()
             }.create()
-
+        dialog.setCancelable(false)
         dialog.setCanceledOnTouchOutside(false)
         dialog.show()
 
         val pButton = dialog.getButton(AlertDialog.BUTTON_POSITIVE)
         val nButton = dialog.getButton(AlertDialog.BUTTON_NEGATIVE)
 
+        pButton.setOnClickListener {
+            val pwd = binding.editPassword.text.toString()
+            if (pwd.isEmpty()) {
+                Toast.makeText(this, "Password cannot be empty", Toast.LENGTH_SHORT).show()
+                return@setOnClickListener
+            }
+            ok.invoke(pwd)
+        }
+
         pButton.textSize = 16f
         pButton.setTextColor(ContextCompat.getColor(this, R.color.color_pdf))
         nButton.textSize = 16f