...

app/src/main/java/com/base/pdfviewerscannerwhite/bean/PdfPageBean.kt

@@ -4,5 +4,7 @@ import android.graphics.drawable.Drawable
 
 data class PdfPageBean(
     val pageIndex: Int = 0,
-    val pageDrawable: Drawable? = null
-)
+    var pageDrawable: Drawable? = null
+) {
\ No newline at end of file
+    var isSelect: Boolean = false
+}
\ No newline at end of file

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

 package com.base.pdfviewerscannerwhite.ui.document.pdf
 
+import android.annotation.SuppressLint
+import androidx.activity.addCallback
 import com.base.pdfviewerscannerwhite.bean.PdfPageBean
 import com.base.pdfviewerscannerwhite.databinding.ActivityPdfBinding
 import com.base.pdfviewerscannerwhite.helper.BaseActivity
@@ -20,6 +22,7 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
     override val binding: ActivityPdfBinding by lazy {
         ActivityPdfBinding.inflate(layoutInflater)
     }
+    private lateinit var adapter: PdfPagerAdapter
 
     var pafPath = ""
     var pageNumber = 0
@@ -31,18 +34,39 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
         pafPath = intent.extras?.getString("path", "") ?: ""
         LogEx.logDebug(TAG, "pafPath=$pafPath")
 
+        initAdapter()
+
+
         if (checkStorePermission()) {
-            pdfPresenter.splitPdf("")
+            pdfPresenter.iniPdfPage(pafPath)
             loadPdf()
         } else {
             requestStorePermission(launcher) {
-                pdfPresenter.splitPdf("")
+                pdfPresenter.iniPdfPage(pafPath)
                 loadPdf()
             }
         }
 
     }
 
+    override fun initListener() {
+        super.initListener()
+
+        onBackPressedDispatcher.addCallback {
+            finishToMain()
+        }
+        binding.flFanhui.setOnClickListener {
+            onBackPressedDispatcher.onBackPressed()
+        }
+
+
+    }
+
+    private fun initAdapter() {
+        adapter = PdfPagerAdapter(pafPath)
+        binding.rvPager.adapter = adapter
+    }
+
     private fun loadPdf() {
         try {
             val file = File(pafPath)
@@ -56,11 +80,15 @@ 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) {})
+            .onPageChange { page, pageCount ->
+                binding.tvPageCount.text = "${page + 1}/$pageCount"
+            }
             .spacing(10)
             .onPageError { page, t ->
             }.password(password).load()
@@ -72,7 +100,7 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
     }
 
     override fun initPdfPageRv(items: List<PdfPageBean>) {
-
+        adapter.submitList(items)
     }
 
 

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

+package com.base.pdfviewerscannerwhite.ui.document.pdf
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.os.Handler
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView.ViewHolder
+import com.base.pdfviewerscannerwhite.R
+import com.base.pdfviewerscannerwhite.bean.PdfPageBean
+import com.base.pdfviewerscannerwhite.databinding.ItemPdfPagerBinding
+import com.base.pdfviewerscannerwhite.utils.PdfUtils
+import com.base.pdfviewerscannerwhite.utils.XmlEx.inflate
+import com.chad.library.adapter4.BaseQuickAdapter
+import java.util.concurrent.LinkedBlockingQueue
+import java.util.concurrent.ThreadPoolExecutor
+import java.util.concurrent.TimeUnit
+
+
+class PdfPagerAdapter(val pdfPath: String) : BaseQuickAdapter<PdfPageBean, PdfPagerAdapter.PdfPagerViewHolder>() {
+
+    inner class PdfPagerViewHolder(view: View) : ViewHolder(view)
+
+    var corePoolSize = 4 // 核心线程数
+    var maximumPoolSize = 10 // 最大线程数
+    var keepAliveTime: Long = 120 // 非核心线程空闲存活时间
+    var threadPoolExecutor = ThreadPoolExecutor(
+        corePoolSize,
+        maximumPoolSize,
+        keepAliveTime,
+        TimeUnit.SECONDS,
+        LinkedBlockingQueue()
+    )
+
+    @SuppressLint("SetTextI18n")
+    override fun onBindViewHolder(holder: PdfPagerViewHolder, position: Int, item: PdfPageBean?) {
+        if (item == null) return
+        val binding = ItemPdfPagerBinding.bind(holder.itemView)
+        val context = holder.itemView.context
+        binding.tvPagerIndex.isSelected = item.isSelect
+        binding.tvPagerIndex.text = (item.pageIndex + 1).toString()
+        binding.flBorder.isSelected = item.isSelect
+        item.pageDrawable?.let {
+            binding.ivPager.setImageDrawable(it)
+        }
+        loadPagerDrawable(context, binding, item)
+    }
+
+    private fun loadPagerDrawable(context: Context, binding: ItemPdfPagerBinding, item: PdfPageBean) {
+        threadPoolExecutor.execute {
+            runCatching {
+                val drawable = PdfUtils.getPdfDrawablePage(context, pdfPath, item.pageIndex)
+                item.pageDrawable = drawable
+                // 任务代码
+                binding.root.post {
+                    item.pageDrawable?.let {
+                        binding.ivPager.setImageDrawable(it)
+                    }
+                }
+            }
+
+        }
+    }
+
+    override fun onCreateViewHolder(context: Context, parent: ViewGroup, viewType: Int): PdfPagerViewHolder {
+        return PdfPagerViewHolder(R.layout.item_pdf_pager.inflate(parent))
+    }
+}
\ No newline at end of file

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

@@ -15,8 +15,7 @@ class PdfPresenter(val context: Context, val pdfView: PdfView) {
 
     fun splitPdf(pdfPath: String) = Thread {
 
-        val file = File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS), "DEMO.pdf")
-        val drawableList = PdfUtils.getPdfDrawables(context, file.absolutePath)
+        val drawableList = PdfUtils.getPdfDrawables(context, pdfPath)
 
         handler?.post {
             context.toast("size=${drawableList.size}")

app/src/main/res/drawable/bg_00b8de_4.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <solid android:color="#00B8DE"/>
+    <corners android:radius="4dp"/>
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_54585b_5.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <corners android:radius="5dp" />
+    <solid android:color="#54585B" />
+
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_9699a2_4.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <solid android:color="#9699A2" />
+    <corners android:radius="4dp" />
+</shape>
\ No newline at end of file

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

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@drawable/bg_stoke_00bbde_5" android:state_selected="true"/>
+    <item android:drawable="@drawable/bg_stoke_cfcfcf_5" android:state_selected="false"/>
+</selector>
\ No newline at end of file

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

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item android:state_selected="true" android:drawable="@drawable/bg_00b8de_4"/>
+    <item android:state_selected="false" android:drawable="@drawable/bg_9699a2_4"/>
+</selector>
\ No newline at end of file

app/src/main/res/drawable/bg_stoke_00bbde_5.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <stroke
+        android:width="1dp"
+        android:color="#00B8DE" />
+    <corners android:radius="5dp" />
+
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_stoke_cfcfcf_5.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <stroke
+        android:width="1dp"
+        android:color="#CFCFCF" />
+    <corners android:radius="5dp" />
+
+</shape>
\ No newline at end of file

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

 <?xml version="1.0" encoding="utf-8"?>
-<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<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:layout_width="match_parent"
@@ -7,26 +7,114 @@
     android:fitsSystemWindows="true"
     tools:context=".ui.document.pdf.PdfActivity">
 
-    <com.google.android.material.appbar.AppBarLayout
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/cl_top"
         android:layout_width="match_parent"
+        android:layout_height="60dp"
+        app:layout_constraintBottom_toTopOf="@id/pdfview"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <FrameLayout
+            android:id="@+id/fl_fanhui"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-        android:fitsSystemWindows="true"
-        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toStartOf="@id/tv_pdf_name"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent">
 
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:padding="15dp"
+                android:src="@mipmap/fanhui_b"
+                tools:ignore="ContentDescription" />
+        </FrameLayout>
 
-        <com.google.android.material.appbar.CollapsingToolbarLayout
-            android:id="@+id/toolbar"
-            android:layout_width="match_parent"
-            android:layout_height="?attr/actionBarSize" />
+        <TextView
 
-    </com.google.android.material.appbar.AppBarLayout>
+            android:id="@+id/tv_pdf_name"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textColor="@color/black"
+            android:textSize="19sp"
+            android:textStyle="bold"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toEndOf="@id/fl_fanhui"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:ignore="HardcodedText"
+            tools:text="DEMO.pdf" />
+
+        <ImageView
+            android:id="@+id/iv_xuanzhuan"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="16dp"
+            android:src="@mipmap/hengping"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toStartOf="@id/iv_search"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:ignore="ContentDescription" />
+
+        <ImageView
+            android:id="@+id/iv_search"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="16dp"
+            android:src="@mipmap/h_sousuo"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toStartOf="@id/iv_more"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:ignore="ContentDescription" />
+
+        <ImageView
+            android:id="@+id/iv_more"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="16dp"
+            android:src="@mipmap/x_genduo"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:ignore="ContentDescription" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
 
     <com.github.barteksc.pdfviewer.PDFView
         android:id="@+id/pdfview"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:background="#E0E0E0"
-        app:layout_constraintBottom_toBottomOf="parent" />
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toTopOf="@id/rv_pager"
+        app:layout_constraintTop_toBottomOf="@id/cl_top" />
+
+    <TextView
+        android:id="@+id/tv_pageCount"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="28dp"
+        android:layout_marginTop="26dp"
+        android:background="@drawable/bg_54585b_5"
+        android:includeFontPadding="false"
+        android:paddingHorizontal="2dp"
+        android:paddingVertical="2dp"
+        android:textColor="@color/white"
+        android:textSize="12sp"
+        app:layout_constraintStart_toStartOf="@id/pdfview"
+        app:layout_constraintTop_toTopOf="@id/pdfview"
+        tools:text="1/3" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rv_pager"
+        android:layout_width="match_parent"
+        android:layout_height="88dp"
+        android:orientation="horizontal"
+        android:paddingHorizontal="4dp"
+        android:paddingTop="5dp"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/pdfview"
+        tools:listitem="@layout/item_pdf_pager" />
 
 
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

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

+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/fl_border"
+    android:layout_width="53dp"
+    android:layout_height="75dp"
+    android:layout_margin="4dp"
+    android:background="@drawable/bg_selector_pager_border">
+
+
+    <ImageView
+        android:id="@+id/iv_pager"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_margin="2dp"
+        android:importantForAccessibility="no"
+        android:scaleType="fitXY" />
+
+    <TextView
+        android:id="@+id/tv_pager_index"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="5dp"
+        android:layout_marginTop="4dp"
+        android:background="@drawable/bg_selector_pager_text"
+        android:padding="1dp"
+        android:text="1"
+        android:textSize="8sp"
+        tools:ignore="HardcodedText,SmallSp" />
+</FrameLayout>
\ No newline at end of file