...

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

@@ -8,9 +8,9 @@ data class DocumentBean(
     val type: String = "",
     var isBookmarked: Boolean = false
 ) {
-    var uiType: Int = 0//0首页模式 1合并选择模式 2拆分模式
+    var uiType: Int = 0//0首页模式 1合并选择模式 2拆分模式 3解锁加锁模式
     var isSelect: Boolean = false
-    var state: Int = 0//0正常状态 1 锁定
+    var state: Int = -1//0正常状态 1 锁定
 
     companion object {
         const val TYPE_PDF = "type_pdf"

app/src/main/java/com/base/pdfviewerscannerwhite/ui/adapter/DocumentAdapter.kt

@@ -49,7 +49,16 @@ class DocumentAdapter : BaseQuickAdapter<DocumentBean, DocumentAdapter.DocumentV
         if (item == null) return
         val binding = ItemDocumentBinding.bind(holder.itemView)
         if (item.type == TYPE_PDF) {
-            checkPwd(item, binding.iv)
+            if (item.state == -1) {
+                checkPwd(item, binding.iv)
+            } else {
+                var res = R.mipmap.h_pdfiocn
+                when (item.state) {
+                    0 -> res = R.mipmap.h_pdfiocn
+                    1 -> res = R.mipmap.suoding
+                }
+                binding.iv.setImageResource(res)
+            }
         }
 
         val file = File(item.path)
@@ -99,6 +108,11 @@ class DocumentAdapter : BaseQuickAdapter<DocumentBean, DocumentAdapter.DocumentV
                 binding.flBookmark.visibility = View.GONE
                 binding.flMore.visibility = View.INVISIBLE
             }
+
+            3 -> {
+                binding.flBookmark.visibility = View.GONE
+                binding.flMore.visibility = View.INVISIBLE
+            }
         }
 
         binding.root.setOnClickListener {
@@ -119,7 +133,6 @@ class DocumentAdapter : BaseQuickAdapter<DocumentBean, DocumentAdapter.DocumentV
                 iv.setImageResource(res)
             }
         }
-
     }
 
     override fun onCreateViewHolder(context: Context, parent: ViewGroup, viewType: Int): DocumentViewHolder {

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

@@ -3,10 +3,12 @@ package com.base.pdfviewerscannerwhite.ui.document.pdf
 import android.annotation.SuppressLint
 import android.content.Intent
 import android.view.View
+import androidx.activity.addCallback
 import androidx.lifecycle.lifecycleScope
 import com.base.pdfviewerscannerwhite.bean.ConstObject.DO_LOCK_PDF
 import com.base.pdfviewerscannerwhite.bean.ConstObject.DO_MERGE_PDF
 import com.base.pdfviewerscannerwhite.bean.ConstObject.DO_SPLIT_PDF
+import com.base.pdfviewerscannerwhite.bean.ConstObject.DO_UNLOCK_PDF
 import com.base.pdfviewerscannerwhite.bean.DocumentBean
 import com.base.pdfviewerscannerwhite.databinding.ActivityPdfSelectBinding
 import com.base.pdfviewerscannerwhite.helper.BaseActivity
@@ -46,12 +48,25 @@ class PdfSelectActivity : BaseActivity<ActivityPdfSelectBinding>(), DocumentView
                 binding.tvSelectTip.text = "Select a project"
                 documentPresenter.initUnLoadData()
             }
+
+            DO_UNLOCK_PDF -> {
+                binding.tvBtnNext.visibility = View.GONE
+                binding.tvSelectTip.text = "Select a project"
+                documentPresenter.initLoadData()
+            }
+
         }
 
     }
 
     override fun initListener() {
         super.initListener()
+        onBackPressedDispatcher.addCallback {
+            finishToMain()
+        }
+        binding.flFanhui.setOnClickListener {
+            onBackPressedDispatcher.onBackPressed()
+        }
 
         binding.tvBtnNext.setOnClickListener {
             val selectList = adapter.items.filter { it.isSelect }
@@ -78,6 +93,11 @@ class PdfSelectActivity : BaseActivity<ActivityPdfSelectBinding>(), DocumentView
                     adapter.remove(it)
                 })
             }
+            if (doWhat == DO_UNLOCK_PDF) {
+                showPdfPwdDialog(it, null, false, encryptionAction = {
+                    adapter.remove(it)
+                })
+            }
         }
         adapter.selectAction = {
             if (it == 0) {
@@ -93,12 +113,16 @@ class PdfSelectActivity : BaseActivity<ActivityPdfSelectBinding>(), DocumentView
     }
 
     override fun refreshDocumentRv(documentList: List<DocumentBean>, isRefresh: Boolean) {
+        binding.progressBar.visibility = View.GONE
         if (doWhat == DO_MERGE_PDF) {
             documentList.map { it.uiType = 1 }
         }
         if (doWhat == DO_SPLIT_PDF) {
             documentList.map { it.uiType = 2 }
         }
+        if (doWhat == DO_LOCK_PDF || doWhat == DO_UNLOCK_PDF) {
+            documentList.map { it.uiType = 3 }
+        }
         adapter.submitList(documentList)
     }
 

app/src/main/java/com/base/pdfviewerscannerwhite/ui/main/DocumentPresenter.kt

@@ -52,6 +52,18 @@ class DocumentPresenter(
         }
     }
 
+    fun initLoadData() = lifecycleScope.launch(Dispatchers.IO) {
+        val documentList = getDocumentBeanList()
+        documentList.forEach {
+            it.state = PdfBoxUtils.checkPdfEncryption(it.path)
+        }
+        val list = documentList.filter { it.state == 1 }
+        launch(Dispatchers.Main) {
+            documentView.refreshDocumentRv(list, true)
+        }
+    }
+
+
     fun saveBookmarkChange(addRemove: Boolean, path: String) {
         if (addRemove) {
             SpStringUtils.addSpString(SpStringUtils.BOOKMARK_KEY, path)

app/src/main/java/com/base/pdfviewerscannerwhite/ui/main/ToolFragment.kt

@@ -4,6 +4,7 @@ import android.content.Intent
 import com.base.pdfviewerscannerwhite.bean.ConstObject.DO_LOCK_PDF
 import com.base.pdfviewerscannerwhite.bean.ConstObject.DO_MERGE_PDF
 import com.base.pdfviewerscannerwhite.bean.ConstObject.DO_SPLIT_PDF
+import com.base.pdfviewerscannerwhite.bean.ConstObject.DO_UNLOCK_PDF
 import com.base.pdfviewerscannerwhite.databinding.FragmentToolBinding
 import com.base.pdfviewerscannerwhite.helper.BaseFragment
 import com.base.pdfviewerscannerwhite.ui.document.pdf.PdfSelectActivity
@@ -35,6 +36,11 @@ class ToolFragment : BaseFragment<FragmentToolBinding>() {
                 putExtra("doWhat", DO_LOCK_PDF)
             })
         }
+        binding.llUnlock.setOnClickListener {
+            startActivity(Intent(requireContext(), PdfSelectActivity::class.java).apply {
+                putExtra("doWhat", DO_UNLOCK_PDF)
+            })
+        }
     }
 
 }
\ No newline at end of file

app/src/main/java/com/base/pdfviewerscannerwhite/ui/splash/SplashActivity.kt

@@ -113,6 +113,7 @@ class SplashActivity : BaseActivity<ActivitySplashBinding>(), SplashView {
         binding.progressBar.progress = 100
         binding.root.postDelayed({
             startActivity(Intent(this, MainActivity::class.java))
+            finish()
         }, 200)
     }
 

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

@@ -249,6 +249,7 @@ object DialogView {
                 if (item.state == 1) {
                     PdfBoxUtils.clearPassword(item.path, pwd)
                     toast("clear Encryption")
+                    encryptionAction?.invoke()
                 }
             } else {
                 val result = PdfBoxUtils.checkPwd(item.path, pwd)

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

@@ -63,6 +63,12 @@
             android:layout_height="match_parent"
             app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
             tools:listitem="@layout/item_document" />
+
+        <ProgressBar
+            android:id="@+id/progressBar"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center" />
     </FrameLayout>
 
     <TextView