From 6ffb08dc4fa99c85d59f1e2008baf97f4cf4d542 Mon Sep 17 00:00:00 2001
From: ocean <503259349@qq.com>
Date: Thu, 9 Oct 2025 17:34:12 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E5=90=88=E5=B9=B6=E7=9A=84?=
 =?UTF-8?q?=E8=BF=9B=E5=BA=A6=E5=B1=95=E7=A4=BA=E3=80=82?=
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---
 .../all/pdfreader/pro/app/util/PdfUtils.kt    | 23 +++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/com/all/pdfreader/pro/app/util/PdfUtils.kt b/app/src/main/java/com/all/pdfreader/pro/app/util/PdfUtils.kt
index 1c37798..688860a 100644
--- a/app/src/main/java/com/all/pdfreader/pro/app/util/PdfUtils.kt
+++ b/app/src/main/java/com/all/pdfreader/pro/app/util/PdfUtils.kt
@@ -15,6 +15,7 @@ import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import java.io.File
 import java.io.FileOutputStream
@@ -173,16 +174,34 @@ object PdfUtils {
 
         try {
             val merger = PDFMergerUtility()
+            val total = 100
+
+            // 加载文件 0~30%
             inputFiles.forEachIndexed { index, file ->
                 merger.addSource(file)
-                onProgress?.invoke(index + 1, inputFiles.size)
-                delay(100)
+                val progress = ((index + 1).toFloat() / inputFiles.size * 30).toInt()
+                onProgress?.invoke(progress, total)
+                delay(50)
             }
 
             merger.destinationFileName = outputFile.absolutePath
 
+            // 伪进度（30%~95%）
+            var fakeProgress = 30
+            val fakeJob = launch {
+                while (fakeProgress < 95) {
+                    fakeProgress += (1..3).random() // 每次前进一点点
+                    if (fakeProgress > 95) fakeProgress = 95
+                    onProgress?.invoke(fakeProgress, total)
+                    delay((100L..300L).random()) // 模拟不均匀的进度
+                }
+            }
+
             merger.mergeDocuments(MemoryUsageSetting.setupTempFileOnly())
 
+            fakeJob.cancel()
+            onProgress?.invoke(100, total)
+
             outputFile
         } catch (e: Exception) {
             e.printStackTrace()