...

app/src/main/AndroidManifest.xml

@@ -18,6 +18,9 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.PDFViewerScannerWhite"
         tools:targetApi="34">
+        <activity
+            android:name=".ui.document.pdf.PdfLoadingActivity"
+            android:exported="false" />
         <activity
             android:name=".ui.document.pdf.PdfSplitActivity"
             android:exported="false" />

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

@@ -10,6 +10,7 @@ import com.base.pdfviewerscannerwhite.utils.PermissionUtils.checkStorePermission
 import com.base.pdfviewerscannerwhite.utils.PermissionUtils.requestStorePermission
 import com.base.pdfviewerscannerwhite.utils.ToastUtils.toast
 import com.github.barteksc.pdfviewer.scroll.DefaultScrollHandle
+import com.github.barteksc.pdfviewer.scroll.ScrollHandle
 import com.tom_roush.pdfbox.pdmodel.PDDocument
 import java.io.File
 
@@ -64,6 +65,9 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
 
     private fun initAdapter() {
         adapter = PdfPagerAdapter(pafPath)
+        adapter.clickAction = { pageIndex ->
+            binding.pdfview.jumpTo(pageIndex, true)
+        }
         binding.rvPager.adapter = adapter
     }
 
@@ -80,18 +84,22 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
         }
     }
 
+
     @SuppressLint("SetTextI18n")
     private fun loadPdfView(file: File, password: String = "") {
+
         binding.pdfview.fromFile(file)
             .defaultPage(pageNumber)
             .enableAnnotationRendering(true)
-            .scrollHandle(object : DefaultScrollHandle(this) {})
+            .scrollHandle(DefaultScrollHandle(this))
             .onPageChange { page, pageCount ->
                 binding.tvPageCount.text = "${page + 1}/$pageCount"
+                adapter.changeSelectPager(page)
             }
             .spacing(10)
             .onPageError { page, t ->
             }.password(password).load()
+
     }
 
     override fun onAttachedToWindow() {

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

+package com.base.pdfviewerscannerwhite.ui.document.pdf
+
+import android.content.Intent
+import androidx.lifecycle.lifecycleScope
+import com.base.pdfviewerscannerwhite.databinding.ActivityPdfLoadingBinding
+import com.base.pdfviewerscannerwhite.helper.BaseActivity
+import com.base.pdfviewerscannerwhite.utils.LogEx
+import com.base.pdfviewerscannerwhite.utils.ToastUtils.toast
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
+import java.io.File
+
+class PdfLoadingActivity : BaseActivity<ActivityPdfLoadingBinding>() {
+
+    private val TAG = "PdfLoadingActivity"
+    private var srcPath: String = ""
+    private var newName: String = ""
+    private var splitIndex: List<Int> = listOf()
+    private lateinit var pdfPresenter: PdfPresenter
+
+    override val binding: ActivityPdfLoadingBinding by lazy {
+        ActivityPdfLoadingBinding.inflate(layoutInflater)
+    }
+
+    var isFinishBoolean: Boolean = false
+    var newPdfFile: File? = null
+    override fun initView() {
+        pdfPresenter = PdfPresenter(this)
+        initSpPa()
+
+        pdfPresenter.splitPdf(File(srcPath), newName, splitIndex, finishAction = {
+            newPdfFile = it
+            isFinishBoolean = true
+        })
+
+        startProgress()
+    }
+
+    private fun startProgress() = lifecycleScope.launch(Dispatchers.Main) {
+        while (isActive) {
+            if (isFinishBoolean) {
+                binding.progressBar.progress = 100
+                delay(200)
+                break
+            } else {
+                binding.progressBar.progress += 2
+            }
+            delay(500)
+        }
+        if (newPdfFile == null) {
+            toast("split pdf failed!")
+            finish()
+            return@launch
+        }
+        startActivity(Intent(this@PdfLoadingActivity, PdfActivity::class.java).apply {
+            putExtra("path", newPdfFile?.absolutePath ?: "")
+        })
+    }
+
+    private fun initSpPa() {
+        srcPath = intent?.extras?.getString("srcPath", "") ?: ""
+        newName = intent?.extras?.getString("newName", "") ?: ""
+        splitIndex = intent.extras?.getString("splitIndex")?.split(",")?.map { it.toInt() } ?: listOf()
+    }
+
+
+}
\ No newline at end of file

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

@@ -23,6 +23,7 @@ class PdfPagerAdapter(val pdfPath: String, val itemLayout: Int = R.layout.item_p
     BaseQuickAdapter<PdfPageBean, PdfPagerAdapter.PdfPagerViewHolder>() {
 
     var selectAction: ((enable: Boolean, allSelect: Boolean) -> Unit)? = null
+    var clickAction: ((pageIndex:Int) -> Unit)? = null
 
     inner class PdfPagerViewHolder(view: View) : ViewHolder(view)
 
@@ -53,6 +54,9 @@ class PdfPagerAdapter(val pdfPath: String, val itemLayout: Int = R.layout.item_p
                 } else {
                     loadPagerDrawable(context, item, binding.root, binding.ivPager)
                 }
+                binding.root.setOnClickListener {
+                    clickAction?.invoke(item.pageIndex)
+                }
             }
 
             R.layout.item_pdf_pager_split -> {
@@ -105,4 +109,13 @@ class PdfPagerAdapter(val pdfPath: String, val itemLayout: Int = R.layout.item_p
         items.forEach { it.isSelect = select }
         notifyDataSetChanged()
     }
+
+    @SuppressLint("NotifyDataSetChanged")
+    fun changeSelectPager(page: Int) {
+        runCatching {
+            items.forEach { it.isSelect = false }
+            items[page].isSelect = true
+        }
+        notifyDataSetChanged()
+    }
 }
\ No newline at end of file

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

@@ -8,7 +8,10 @@ import com.tom_roush.pdfbox.pdmodel.PDDocument
 import java.io.File
 
 
-class PdfPresenter(val context: Context, val pdfView: PdfView) {
+class PdfPresenter(
+    val context: Context,
+    val pdfView: PdfView? = null
+) {
 
     var handler: Handler? = null
 
@@ -18,11 +21,14 @@ class PdfPresenter(val context: Context, val pdfView: PdfView) {
         repeat(number) {
             list.add(PdfPageBean(it))
         }
-        pdfView.initPdfPageRv(list)
+        pdfView?.initPdfPageRv(list)
     }
 
-    fun splitPdf(file: File, newName: String, splitIndex: List<Int>) {
-
+    fun splitPdf(
+        file: File, newName: String, splitIndex: List<Int>,
+        finishAction: (newFile: File?) -> Unit
+    ) = Thread {
+        val newFile = File(file.parentFile, newName)
         try {
             // 加载现有 PDF 文档
             val sourceDocument = PDDocument.load(file)
@@ -35,14 +41,15 @@ class PdfPresenter(val context: Context, val pdfView: PdfView) {
                 val page = sourceDocument.getPage(index)
                 newDocument.addPage(page)
             }
-            val newFile = File(file.parentFile, newName)
             // 保存新的 PDF 文档
             newDocument.save(newFile)
             newDocument.close()
             sourceDocument.close()
-        }catch (e:Exception){
+        } catch (e: Exception) {
             println("Error occurred while splitting PDF.")
+            finishAction.invoke(null)
+            return@Thread
         }
-
-    }
+        finishAction.invoke(newFile)
+    }.start()
 }
\ No newline at end of file

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

 package com.base.pdfviewerscannerwhite.ui.document.pdf
 
+import android.content.Intent
 import androidx.activity.addCallback
 import com.base.pdfviewerscannerwhite.R
 import com.base.pdfviewerscannerwhite.bean.PdfPageBean
@@ -41,9 +42,13 @@ class PdfSplitActivity : BaseActivity<ActivityPdfSplitBinding>(), PdfView {
         }
         binding.tvBtnSplit.setOnClickListener {
             val splitIndex = pdfPagerAdapter.items.filter { it.isSelect }.map { it.pageIndex }
-            val file = File(path)
             showDocumentRenameDialog { newName ->
-                pdfPresenter.splitPdf(file, newName, splitIndex)
+                startActivity(Intent(this, PdfLoadingActivity::class.java).apply {
+                    putExtra("srcPath", path)
+                    putExtra("newName", newName)
+                    putExtra("splitIndex", splitIndex.joinToString(separator = ","))
+                })
+                finish()
             }
         }
     }

app/src/main/java/com/base/pdfviewerscannerwhite/ui/view/DialogView.kt

@@ -5,6 +5,7 @@ import android.app.Dialog
 import android.content.Context
 import android.view.LayoutInflater
 import android.view.WindowManager
+import androidx.core.widget.addTextChangedListener
 import com.base.pdfviewerscannerwhite.R
 import com.base.pdfviewerscannerwhite.bean.DocumentBean
 import com.base.pdfviewerscannerwhite.databinding.DialogDocumentRenameBinding
@@ -83,6 +84,10 @@ object DialogView {
 
         dialog.show()
 
+        binding.edit.addTextChangedListener {
+            binding.tvOk.isEnabled = !it.isNullOrEmpty()
+        }
+
         val tempName = "Split_" + System.currentTimeMillis().toFormatTime2()
         binding.edit.setText(name ?: tempName)
         binding.edit.requestFocus()

app/src/main/java/com/base/pdfviewerscannerwhite/utils/KotlinExt.kt

@@ -28,7 +28,7 @@ object KotlinExt {
     }
 
     fun Long.toFormatTime2(): String {
-        return SimpleDateFormat("yyyyMMdd_HHmmss,", Locale.ENGLISH).format(this)
+        return SimpleDateFormat("yyyyMMdd_HHmmss", Locale.ENGLISH).format(this)
     }
 
 

app/src/main/res/drawable/bg_selector_btn.xml

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@drawable/bg_00b8de_10" android:state_enabled="false" />
+    <item android:drawable="@drawable/bg_7fdcee_10" android:state_enabled="true" />
+</selector>
\ No newline at end of file

app/src/main/res/drawable/progress_bg.xml

+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <!--  设置背景色  -->
+    <item android:id="@android:id/background">
+        <shape>
+            <stroke
+                android:width="1.5dp"
+                android:color="#00B8DE" />
+            <corners android:radius="8dp" />
+        </shape>
+    </item>
+
+    <!--  设置进度条颜色  -->
+    <item
+        android:id="@android:id/progress"
+        android:bottom="3dp"
+        android:end="3dp"
+        android:start="3dp"
+        android:top="3dp">
+        <!--        <scale android:scaleWidth="100%">-->
+        <clip>
+            <shape>
+                <corners android:radius="5dp" />
+                <solid android:color="#00B8DE" />
+            </shape>
+        </clip>
+
+        <!--        </scale>-->
+    </item>
+
+</layer-list>
\ No newline at end of file

app/src/main/res/layout/activity_pdf_loading.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.document.pdf.PdfLoadingActivity">
+
+    <ImageView
+        android:id="@+id/iv"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:src="@mipmap/tu_loading"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.35"
+        tools:ignore="ContentDescription" />
+
+    <TextView
+        android:id="@+id/tv_desc"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="76dp"
+        android:text="Splitting PDF, please wait."
+        android:textColor="#333333"
+        android:textSize="16sp"
+        app:layout_constraintEnd_toEndOf="@id/iv"
+        app:layout_constraintStart_toStartOf="@id/iv"
+        app:layout_constraintTop_toBottomOf="@id/iv"
+        tools:ignore="HardcodedText" />
+
+    <ProgressBar
+        android:id="@+id/progressBar"
+        style="@style/Widget.AppCompat.ProgressBar.Horizontal"
+        android:layout_width="0dp"
+        android:layout_height="16sp"
+        android:layout_marginHorizontal="56dp"
+        android:layout_marginTop="19dp"
+        android:max="100"
+        android:progress="50"
+        android:progressDrawable="@drawable/progress_bg"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/tv_desc" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/dialog_document_rename.xml

@@ -74,7 +74,7 @@
                 android:layout_width="163dp"
                 android:layout_height="48dp"
                 android:layout_marginStart="14dp"
-                android:background="@drawable/bg_00b8de_10"
+                android:background="@drawable/bg_selector_btn"
                 android:gravity="center"
                 android:text="Ok"
                 android:textColor="@color/white"