添加加密展示

添加密码对话框添加输入框显示或隐藏密码。
2025-09-08 18:24:03 +08:00 · 2025-09-08 18:24:03 +08:00 · ff14a8f3ee
commit ff14a8f3ee
parent 687ac17419
15 changed files with 284 additions and 137 deletions
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools">
+    xmlns:tools="http://schemas.android.com/tools"
+    android:theme="@style/Theme.PDFReaderPro"
+    tools:ignore="DiscouragedApi,LockedOrientationActivity,RedundantLabel">

    <!-- Android 11+ 存储权限 -->
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
@ -32,6 +34,7 @@
            android:name=".ui.act.SplashActivity"
            android:exported="true"
            android:label="@string/app_name"
+            android:screenOrientation="portrait"
            android:theme="@style/Theme.PDFReaderPro">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
@ -43,12 +46,13 @@
            android:name=".ui.act.MainActivity"
            android:exported="true"
            android:label="@string/app_name"
-            android:theme="@style/Theme.PDFReaderPro" />
+            android:screenOrientation="portrait" />

        <activity
            android:name=".ui.act.PdfViewActivity"
            android:exported="true"
            android:label="@string/app_name"
+            android:screenOrientation="portrait"
            android:theme="@style/Theme.PDFReaderPro">
            <!-- 处理PDF文件打开 -->
            <intent-filter>
--- a/app/src/main/java/com/all/pdfreader/pro/app/ui/adapter/PdfAdapter.kt
+++ b/app/src/main/java/com/all/pdfreader/pro/app/ui/adapter/PdfAdapter.kt
@ -2,6 +2,7 @@ package com.all.pdfreader.pro.app.ui.adapter

 import android.annotation.SuppressLint
 import android.view.LayoutInflater
+import android.view.View
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
 import com.all.pdfreader.pro.app.databinding.AdapterPdfItemBinding
@ -34,9 +35,16 @@ class PdfAdapter(
        holder.binding.tvFileName.text = item.fileName
        holder.binding.tvFileSize.text = item.fileSize.toFormatFileSize()
        holder.binding.tvFileDate.text = item.lastModified.toSlashDate()
+        if (item.isPassword) {
+            holder.binding.lockLayout.visibility = View.VISIBLE
+            holder.binding.tvFileImg.visibility = View.GONE
+        } else {
+            holder.binding.lockLayout.visibility = View.GONE
+            holder.binding.tvFileImg.visibility = View.VISIBLE
            Glide.with(holder.binding.root).load(item.thumbnailPath)
                .transform(CenterCrop(), RoundedCorners(8.dpToPx(holder.binding.root.context)))
                .into(holder.binding.tvFileImg)
+        }

        holder.binding.root.setOnClickListener {
            onItemClick(item)
--- a/app/src/main/java/com/all/pdfreader/pro/app/ui/dialog/PdfPasswordProtectionDialogFragment.kt
+++ b/app/src/main/java/com/all/pdfreader/pro/app/ui/dialog/PdfPasswordProtectionDialogFragment.kt
@ -1,28 +1,15 @@
 package com.all.pdfreader.pro.app.ui.dialog

-import android.content.Context
 import android.graphics.Color
-import android.graphics.drawable.ColorDrawable
 import android.os.Bundle
+import android.text.InputType
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.view.WindowManager
-import android.view.inputmethod.InputMethodManager
+import androidx.core.graphics.drawable.toDrawable
 import androidx.fragment.app.DialogFragment
 import com.all.pdfreader.pro.app.R
 import com.all.pdfreader.pro.app.databinding.DialogPdfPasswordProtectionBinding
-import com.all.pdfreader.pro.app.databinding.DialogPermissionBinding
-import com.all.pdfreader.pro.app.databinding.DialogSortBinding
-import com.all.pdfreader.pro.app.model.SortConfig
-import com.all.pdfreader.pro.app.model.SortDirection
-import com.all.pdfreader.pro.app.model.SortField
-import com.all.pdfreader.pro.app.room.entity.PdfDocumentEntity
-import com.all.pdfreader.pro.app.sp.AppStore
-import com.all.pdfreader.pro.app.ui.act.MainActivity.SortableFragment
-import com.all.pdfreader.pro.app.ui.view.CustomPasswordTransformation
-import com.google.android.material.bottomsheet.BottomSheetDialogFragment
-import androidx.core.graphics.drawable.toDrawable
 import com.all.pdfreader.pro.app.util.AppUtils.showKeyboard
 import com.all.pdfreader.pro.app.util.FileUtils.isPdfPasswordCorrect
 import java.io.File
@ -34,6 +21,7 @@ class PdfPasswordProtectionDialogFragment(
 ) : DialogFragment() {

    private lateinit var binding: DialogPdfPasswordProtectionBinding
+    var isPasswordVisible = false

    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?
@ -61,6 +49,7 @@ class PdfPasswordProtectionDialogFragment(

        binding.etPassword.showKeyboard()

+
        binding.tvCancel.setOnClickListener {
            onCancelClick()
            dismiss()
@ -78,5 +67,23 @@ class PdfPasswordProtectionDialogFragment(
                binding.tilPassword.error = getString(R.string.incorrect_password)
            }
        }
+        binding.showPasswordBtn.setOnClickListener {
+            isPasswordVisible = !isPasswordVisible
+            showOrHidePassword(isPasswordVisible)
+        }
+    }
+
+    private fun showOrHidePassword(b: Boolean) {
+        if (b) {
+            binding.etPassword.inputType =
+                InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
+            binding.showPasswordIv.setImageResource(R.drawable.show_password)
+        } else {
+            binding.etPassword.inputType =
+                InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_VARIATION_PASSWORD
+            binding.showPasswordIv.setImageResource(R.drawable.hide_password)
+        }
+        // 保持光标在末尾
+        binding.etPassword.setSelection(binding.etPassword.text?.length ?: 0)
    }
 }
--- a/app/src/main/java/com/all/pdfreader/pro/app/ui/dialog/PdfSetPasswordDialog.kt
+++ b/app/src/main/java/com/all/pdfreader/pro/app/ui/dialog/PdfSetPasswordDialog.kt
@ -1,63 +1,88 @@
 package com.all.pdfreader.pro.app.ui.dialog

-import android.content.Context
+import android.graphics.Color
 import android.os.Bundle
 import android.text.Editable
+import android.text.InputType
 import android.text.TextWatcher
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.ImageView
+import androidx.core.graphics.drawable.toDrawable
 import androidx.fragment.app.DialogFragment
+import com.all.pdfreader.pro.app.R
 import com.all.pdfreader.pro.app.databinding.DialogPdfSetPasswordBinding
+import com.all.pdfreader.pro.app.util.AppUtils.showKeyboard
+import com.google.android.material.textfield.TextInputEditText

-class PdfSetPasswordDialog : DialogFragment() {
+class PdfSetPasswordDialog(
+    private val onCancelled: () -> Unit, private val onPasswordSet: (String) -> Unit
+) : DialogFragment(

-    private var _binding: DialogPdfSetPasswordBinding? = null
-    private val binding get() = _binding!!
-    private var listener: PasswordDialogListener? = null
-
-    interface PasswordDialogListener {
-        fun onPasswordSet(password: String?)
-        fun onPasswordDialogCancelled()
-    }
-
-    companion object {
-        fun newInstance(): PdfSetPasswordDialog {
-            return PdfSetPasswordDialog()
-        }
-    }
+) {
+    private lateinit var binding: DialogPdfSetPasswordBinding
+    private var isEnterPasswordVisible = false
+    private var isConfirmPasswordVisible = false

    override fun onCreateView(
-        inflater: LayoutInflater,
-        container: ViewGroup?,
-        savedInstanceState: Bundle?
+        inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?
    ): View? {
-        _binding = DialogPdfSetPasswordBinding.inflate(inflater, container, false)
+        binding = DialogPdfSetPasswordBinding.inflate(layoutInflater)
        return binding.root
    }

+    override fun onStart() {
+        super.onStart()
+        isCancelable = false
+        dialog?.window?.apply {
+            // 去掉系统默认的背景 padding
+            setBackgroundDrawable(Color.TRANSPARENT.toDrawable())
+            // 设置宽度为全屏减去 16dp
+            val margin = resources.getDimensionPixelSize(R.dimen.dialog_margin) // 16dp
+            val width = resources.displayMetrics.widthPixels - margin * 2
+            setLayout(width, ViewGroup.LayoutParams.WRAP_CONTENT)
+        }
+    }
+
    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
-
+        binding.etPassword.showKeyboard()
        setupListeners()
        setupTextWatchers()
    }

    private fun setupListeners() {
        binding.tvCancel.setOnClickListener {
-            listener?.onPasswordDialogCancelled()
+            onCancelled()
            dismiss()
        }

        binding.tvConfirm.setOnClickListener {
            val password = binding.etPassword.text.toString()
            val confirmPassword = binding.etConfirmPassword.text.toString()
-
            if (validatePassword(password, confirmPassword)) {
-                listener?.onPasswordSet(password)
+                onPasswordSet(password)
                dismiss()
            }
        }
+
+        binding.enterShowPasswordBtn.setOnClickListener {
+            isEnterPasswordVisible = !isEnterPasswordVisible
+            showOrHidePassword(
+                binding.etPassword,
+                binding.enterShowPasswordIv,
+                isEnterPasswordVisible
+            )
+        }
+        binding.confirmShowPasswordBtn.setOnClickListener {
+            isConfirmPasswordVisible = !isConfirmPasswordVisible
+            showOrHidePassword(
+                binding.etConfirmPassword,
+                binding.confirmShowPasswordIv,
+                isConfirmPasswordVisible
+            )
+        }
    }

    private fun setupTextWatchers() {
@ -86,7 +111,7 @@ class PdfSetPasswordDialog : DialogFragment() {
        binding.tilConfirmPassword.error = null

        if (password.isNotEmpty() && confirmPassword.isNotEmpty() && password != confirmPassword) {
-            binding.tilConfirmPassword.error = "密码不匹配"
+            binding.tilConfirmPassword.error = getString(R.string.password_not_match)
        }
    }

@ -94,42 +119,38 @@ class PdfSetPasswordDialog : DialogFragment() {
        binding.tilPassword.error = null
        binding.tilConfirmPassword.error = null

-        // 允许空密码（表示不设置密码）
+        // 不允许空密码
        if (password.isEmpty()) {
-            return true
+            binding.tilPassword.error = getString(R.string.password_not_empty)
+            return false
        }

        // 密码长度验证
        if (password.length < 4) {
-            binding.tilPassword.error = "密码长度至少为4位"
+            binding.tilPassword.error = getString(R.string.password_too_short)
            return false
        }

        // 密码匹配验证
        if (password != confirmPassword) {
-            binding.tilConfirmPassword.error = "密码不匹配"
+            binding.tilConfirmPassword.error = getString(R.string.password_not_match)
            return false
        }

        return true
    }

-    override fun onAttach(context: Context) {
-        super.onAttach(context)
-        if (context is PasswordDialogListener) {
-            listener = context
+    private fun showOrHidePassword(inputView: TextInputEditText, imageView: ImageView, b: Boolean) {
+        if (b) {
+            inputView.inputType =
+                InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
+            imageView.setImageResource(R.drawable.show_password)
        } else {
-            throw RuntimeException("$context must implement PasswordDialogListener")
-        }
-    }
-
-    override fun onDetach() {
-        super.onDetach()
-        listener = null
-    }
-
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
+            inputView.inputType =
+                InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_VARIATION_PASSWORD
+            imageView.setImageResource(R.drawable.hide_password)
+        }
+        // 保持光标在末尾
+        inputView.setSelection(inputView.text?.length ?: 0)
    }
 }
--- a/app/src/main/java/com/all/pdfreader/pro/app/ui/fragment/HomeFrag.kt
+++ b/app/src/main/java/com/all/pdfreader/pro/app/ui/fragment/HomeFrag.kt
@ -4,7 +4,6 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.Toast
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
@ -40,9 +39,8 @@ class HomeFrag : BaseFrag(), MainActivity.SortableFragment {
        adapter = PdfAdapter(pdfList = mutableListOf(), onItemClick = { pdf ->
            val intent = PdfViewActivity.createIntent(requireContext(), pdf.filePath)
            startActivity(intent)
-
        }, onMoreClick = { pdf ->
-            Toast.makeText(requireContext(), "更多操作: ${pdf.fileName}", Toast.LENGTH_SHORT).show()
+
        })

        binding.recyclerView.layoutManager = LinearLayoutManager(requireContext())
--- a/app/src/main/java/com/all/pdfreader/pro/app/ui/view/CustomPasswordTransformation.kt
+++ b/app/src/main/java/com/all/pdfreader/pro/app/ui/view/CustomPasswordTransformation.kt
@ -1,24 +0,0 @@
-package com.all.pdfreader.pro.app.ui.view
-
-import android.text.method.PasswordTransformationMethod
-import android.view.View
-
-class CustomPasswordTransformation : PasswordTransformationMethod() {
-    override fun getTransformation(source: CharSequence, view: View): CharSequence {
-        return PasswordCharSequence(source)
-    }
-
-    private class PasswordCharSequence(private val mSource: CharSequence) : CharSequence {
-        override val length: Int
-            get() = mSource.length
-
-        override fun get(index: Int): Char {
-            // 最后一位显示原字符，其余显示●
-            return if (index == mSource.length - 1) mSource[index] else '●'
-        }
-
-        override fun subSequence(startIndex: Int, endIndex: Int): CharSequence {
-            return mSource.subSequence(startIndex, endIndex)
-        }
-    }
-}
--- a/app/src/main/res/drawable/dr_item_lock_bg.xml
+++ b/app/src/main/res/drawable/dr_item_lock_bg.xml
@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="8dp"/>
+    <solid android:color="@color/grey"/>
+
+</shape>
--- a/app/src/main/res/drawable/hide_password.xml
+++ b/app/src/main/res/drawable/hide_password.xml
@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="366.8dp"
+    android:height="256dp"
+    android:viewportWidth="1467"
+    android:viewportHeight="1024">
+  <path
+      android:pathData="M299.1,18.5l917.2,917.2a34.1,34.1 0,0 1,-48.3 48.3L250.9,66.7A34.1,34.1 0,1 1,299.1 18.5zM324.6,188.7l50.6,50.6a918.1,918.1 0,0 0,-113.9 67.5,829.3 829.3,0 0,0 -93.1,75.2l-14.1,13.6c-4.5,4.5 -8.9,8.9 -13.1,13.3l-12,12.9A438.3,438.3 0,0 0,99.7 457.4l-7.3,10.6c-10,15.2 -15.5,27.6 -15.9,35.9 -0.6,15.4 23.2,51.4 64.1,93.3l12.7,12.8c28.7,27.9 64.2,57.8 104.4,85.5 140.2,96.5 308.7,155.6 475.9,155.6 75.1,0 150,-11 222.1,-31.2l54.7,54.7c-85.3,27.7 -178.8,44.7 -276.8,44.7 -256.6,0 -483.8,-126.3 -612.9,-246l-13.2,-12.6c-12.9,-12.6 -24.6,-25 -35.2,-37.1l-10.1,-12a468.4,468.4 0,0 1,-4.8 -5.9l-8.9,-11.7C21.6,557.3 7.3,524.7 8.3,501.2c0.9,-21.5 13.8,-50.7 37,-83.5l8.6,-11.7 9.5,-12 5.1,-6.1 10.7,-12.4 5.6,-6.2 11.9,-12.6 12.6,-12.8c4.4,-4.3 8.8,-8.6 13.4,-12.9l14.1,-12.9c12.1,-10.8 24.9,-21.6 38.4,-32.3l16.6,-12.8a976.1,976.1 0,0 1,132.7 -84.2zM733.6,83c400.6,0 725.3,284.8 725.3,418.1 0,42.4 -32.9,100.2 -90.6,159.2l-12.8,12.7 -6.7,6.3 -13.9,12.7c-4.7,4.2 -9.6,8.4 -14.6,12.6l-15.3,12.6c-5.2,4.2 -10.5,8.3 -16,12.5l-16.6,12.4a929.4,929.4 0,0 1,-125.5 76.1l-51,-50.9a880.5,880.5 0,0 0,112.4 -63.8c58.2,-39 106.9,-82.3 140.3,-123.6 28.1,-34.7 41.9,-64.1 41.9,-78.7 0,-14.6 -13.8,-44 -41.8,-78.7 -33.4,-41.3 -82.1,-84.7 -140.3,-123.6 -136.9,-91.6 -305.5,-147.6 -474.9,-147.6 -74.3,0 -148.5,11.7 -220.2,33.2l-54.1,-54.2c84.4,-29.1 177,-47.2 274.4,-47.2zM536.7,400.8l52,52a152.7,152.7 0,0 0,193.2 193.2l52,52.1a220.9,220.9 0,0 1,-297.2 -297.3zM733.6,280.2a220.9,220.9 0,0 1,196.9 321.3L878.5,549.5a152.7,152.7 0,0 0,-193.2 -193.2L633.2,304.3a220,220 0,0 1,100.4 -24.1z"
+      android:fillColor="#bfbfbf"/>
+</vector>
--- a/app/src/main/res/drawable/lock.xml
+++ b/app/src/main/res/drawable/lock.xml
@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="256dp"
+    android:height="256dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+  <path
+      android:pathData="M785.1,416h-61.9v-121.6c0,-108.8 -91.7,-198.4 -202.7,-198.4s-202.7,89.6 -202.7,198.4v121.6h-78.9c-55.5,0 -100.3,44.8 -100.3,100.3v311.5c0,55.5 44.8,100.3 100.3,100.3h546.1c55.5,0 100.3,-44.8 100.3,-100.3L885.3,516.3c0,-55.5 -44.8,-100.3 -100.3,-100.3zM381.9,294.4c0,-74.7 61.9,-134.4 138.7,-134.4s138.7,59.7 138.7,134.4v121.6h-277.3v-121.6zM821.3,827.7c0,19.2 -17.1,36.3 -36.3,36.3L238.9,864c-19.2,0 -36.3,-17.1 -36.3,-36.3L202.7,516.3c0,-19.2 17.1,-36.3 36.3,-36.3h546.1c19.2,0 36.3,17.1 36.3,36.3v311.5z"
+      android:fillColor="#666666"/>
+  <path
+      android:pathData="M512,544c-17.1,0 -32,14.9 -32,32v106.7c0,17.1 14.9,32 32,32s32,-14.9 32,-32v-106.7c0,-17.1 -14.9,-32 -32,-32z"
+      android:fillColor="#666666"/>
+</vector>
--- a/app/src/main/res/drawable/show_password.xml
+++ b/app/src/main/res/drawable/show_password.xml
@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="433dp"
+    android:height="256dp"
+    android:viewportWidth="1732"
+    android:viewportHeight="1024">
+  <path
+      android:pathData="M872.8,34.5c462.2,0 836.9,328.7 836.9,482.5 0,49 -37.9,115.6 -104.5,183.7l-14.7,14.6 -7.7,7.3 -16,14.6c-5.5,4.9 -11.1,9.7 -16.8,14.6l-17.6,14.5c-6,4.8 -12.2,9.6 -18.4,14.4l-19.2,14.3c-153.2,110.8 -375.1,204.5 -622,204.5 -296,0 -558.2,-145.7 -707.2,-283.9l-15.3,-14.5c-14.8,-14.5 -28.4,-28.8 -40.6,-42.8l-11.7,-13.9a540.4,540.4 0,0 1,-5.5 -6.9l-10.3,-13.5C51.2,581.7 34.8,544.1 35.8,516.9c1,-24.9 16,-58.4 42.7,-96.4l10,-13.5 10.9,-13.9c1.9,-2.4 3.8,-4.7 5.8,-7.1l12.3,-14.3 6.5,-7.2 13.7,-14.6 14.6,-14.7c5,-4.9 10.2,-9.9 15.5,-14.8l16.3,-14.9c13.9,-12.4 28.8,-24.9 44.3,-37.3l19.1,-14.8c152.8,-115.4 375.5,-219.1 625.2,-219.1zM872.8,113.2c-192.4,0 -384.2,67.9 -544.9,179.4a957,957 0,0 0,-107.4 86.7l-16.3,15.6c-5.2,5.2 -10.3,10.3 -15.1,15.4l-13.9,14.9a505.7,505.7 0,0 0,-33.8 41.2l-8.4,12.2c-11.5,17.6 -18,31.9 -18.4,41.5 -0.7,17.7 26.9,59.2 74,107.6l14.7,14.7c33.1,32.2 74,66.6 120.5,98.6 161.8,111.3 356.2,179.6 549.1,179.6 195.5,0 390.1,-64.5 548,-170.2 67.2,-45 123.4,-95 161.9,-142.7 32.3,-40 48.3,-74 48.3,-90.8 0,-16.8 -16,-50.7 -48.2,-90.8 -38.5,-47.7 -94.7,-97.7 -161.9,-142.7 -157.9,-105.7 -352.5,-170.3 -548,-170.3zM872.8,262a254.9,254.9 0,1 1,0 509.9,254.9 254.9,0 0,1 0,-509.9zM872.8,340.8a176.2,176.2 0,1 0,0 352.4,176.2 176.2,0 0,0 0,-352.4z"
+      android:fillColor="#bfbfbf"/>
+</vector>
--- a/app/src/main/res/drawable/unlock.xml
+++ b/app/src/main/res/drawable/unlock.xml
@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="256dp"
+    android:height="256dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+  <path
+      android:pathData="M785.1,416L381.9,416v-121.6c0,-74.7 61.9,-134.4 138.7,-134.4 59.7,0 113.1,36.3 132.3,91.7 6.4,17.1 23.5,25.6 40.5,19.2 17.1,-6.4 25.6,-23.5 19.2,-40.5 -27.7,-81.1 -104.5,-134.4 -192,-134.4 -110.9,0 -202.7,89.6 -202.7,198.4v121.6h-78.9c-55.5,0 -100.3,44.8 -100.3,100.3v311.5c0,55.5 44.8,100.3 100.3,100.3h546.1c55.5,0 100.3,-44.8 100.3,-100.3L885.3,516.3c0,-55.5 -44.8,-100.3 -100.3,-100.3zM821.3,827.7c0,19.2 -17.1,36.3 -36.3,36.3L238.9,864c-19.2,0 -36.3,-17.1 -36.3,-36.3L202.7,516.3c0,-19.2 17.1,-36.3 36.3,-36.3h546.1c19.2,0 36.3,17.1 36.3,36.3v311.5z"
+      android:fillColor="#666666"/>
+  <path
+      android:pathData="M512,544c-17.1,0 -32,14.9 -32,32v106.7c0,17.1 14.9,32 32,32s32,-14.9 32,-32v-106.7c0,-17.1 -14.9,-32 -32,-32z"
+      android:fillColor="#666666"/>
+</vector>
--- a/app/src/main/res/layout/adapter_pdf_item.xml
+++ b/app/src/main/res/layout/adapter_pdf_item.xml
@ -25,6 +25,20 @@
                android:layout_height="56dp"
                android:src="@mipmap/ic_launcher_round" />

+            <LinearLayout
+                android:visibility="gone"
+                android:id="@+id/lock_layout"
+                android:layout_width="56dp"
+                android:layout_height="56dp"
+                android:background="@drawable/dr_item_lock_bg"
+                android:gravity="center">
+
+                <ImageView
+                    android:layout_width="24dp"
+                    android:layout_height="24dp"
+                    android:src="@drawable/lock" />
+            </LinearLayout>
+
        </RelativeLayout>

        <LinearLayout
@ -40,11 +54,11 @@
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:ellipsize="middle"
+                android:fontFamily="@font/poppins_semibold"
                android:maxLines="1"
                android:text="@string/app_name"
                android:textColor="@color/black"
-                android:textSize="16sp"
-                android:fontFamily="@font/poppins_semibold"/>
+                android:textSize="16sp" />

            <LinearLayout
                android:layout_width="match_parent"
@ -57,8 +71,8 @@
                    android:id="@+id/tvFileDate"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
-                    android:text="2月27,2025"
                    android:fontFamily="@font/poppins_medium"
+                    android:text="2月27,2025"
                    android:textColor="@color/black_60"
                    android:textSize="14sp" />

@ -67,8 +81,8 @@
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="8dp"
-                    android:text="8.1MB"
                    android:fontFamily="@font/poppins_medium"
+                    android:text="8.1MB"
                    android:textColor="@color/black_60"
                    android:textSize="14sp" />

--- a/app/src/main/res/layout/dialog_pdf_password_protection.xml
+++ b/app/src/main/res/layout/dialog_pdf_password_protection.xml
@ -27,11 +27,15 @@
        android:textColor="@color/black_80"
        android:textSize="14sp" />

+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="8dp">
+
        <com.google.android.material.textfield.TextInputLayout
            android:id="@+id/tilPassword"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
-        android:layout_marginBottom="8dp"
            android:hint="@string/enter_password"
            app:endIconMode="password_toggle"
            app:passwordToggleEnabled="true">
@ -39,13 +43,31 @@
            <com.google.android.material.textfield.TextInputEditText
                android:id="@+id/etPassword"
                android:layout_width="match_parent"
-            android:textSize="16sp"
                android:layout_height="wrap_content"
                android:fontFamily="@font/poppins_regular"
-            android:inputType="textPassword" />
+                android:inputType="textPassword"
+                android:textSize="16sp" />

        </com.google.android.material.textfield.TextInputLayout>

+        <LinearLayout
+            android:id="@+id/showPasswordBtn"
+            android:layout_width="40dp"
+            android:layout_height="40dp"
+            android:layout_alignEnd="@id/tilPassword"
+            android:layout_centerVertical="true"
+            android:gravity="center">
+
+            <ImageView
+                android:id="@+id/showPasswordIv"
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:src="@drawable/hide_password" />
+
+        </LinearLayout>
+    </RelativeLayout>
+
+
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
--- a/app/src/main/res/layout/dialog_pdf_set_password.xml
+++ b/app/src/main/res/layout/dialog_pdf_set_password.xml
@ -27,11 +27,15 @@
        android:textColor="@color/black_60"
        android:textSize="14sp" />

+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="8dp">
+
        <com.google.android.material.textfield.TextInputLayout
            android:id="@+id/tilPassword"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
-        android:layout_marginBottom="8dp"
            android:hint="@string/enter_password"
            app:endIconMode="password_toggle"
            app:passwordToggleEnabled="true">
@ -42,15 +46,37 @@
                android:layout_height="wrap_content"
                android:fontFamily="@font/poppins_regular"
                android:inputType="textPassword"
-            android:textSize="14sp" />
+                android:textSize="16sp" />

        </com.google.android.material.textfield.TextInputLayout>

+        <LinearLayout
+            android:id="@+id/enterShowPasswordBtn"
+            android:layout_width="40dp"
+            android:layout_height="40dp"
+            android:layout_alignEnd="@id/tilPassword"
+            android:layout_centerVertical="true"
+            android:gravity="center">
+
+            <ImageView
+                android:id="@+id/enterShowPasswordIv"
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:src="@drawable/hide_password" />
+
+        </LinearLayout>
+
+    </RelativeLayout>
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="24dp">
+
        <com.google.android.material.textfield.TextInputLayout
            android:id="@+id/tilConfirmPassword"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
-        android:layout_marginBottom="24dp"
            android:hint="@string/confirm_password"
            app:endIconMode="password_toggle"
            app:passwordToggleEnabled="true">
@ -61,10 +87,28 @@
                android:layout_height="wrap_content"
                android:fontFamily="@font/poppins_regular"
                android:inputType="textPassword"
-            android:textSize="14sp" />
+                android:textSize="16sp" />

        </com.google.android.material.textfield.TextInputLayout>

+        <LinearLayout
+            android:id="@+id/confirmShowPasswordBtn"
+            android:layout_width="40dp"
+            android:layout_height="40dp"
+            android:layout_alignEnd="@id/tilConfirmPassword"
+            android:layout_centerVertical="true"
+            android:gravity="center">
+
+            <ImageView
+                android:id="@+id/confirmShowPasswordIv"
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:src="@drawable/hide_password" />
+
+        </LinearLayout>
+
+    </RelativeLayout>
+
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
@ -79,7 +123,8 @@
            android:fontFamily="@font/poppins_regular"
            android:padding="12dp"
            android:text="@string/cancel"
-            android:textColor="@color/black_80" />
+            android:textColor="@color/black_80"
+            android:textSize="16sp" />

        <TextView
            android:id="@+id/tvConfirm"
@ -88,7 +133,8 @@
            android:fontFamily="@font/poppins_medium"
            android:padding="12dp"
            android:text="@string/ok"
-            android:textColor="@color/black" />
+            android:textColor="@color/black"
+            android:textSize="16sp" />

    </LinearLayout>

--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@ -37,4 +37,6 @@
    <string name="password_not_empty">Password cannot be empty</string>
    <string name="incorrect_password">Incorrect password</string>
    <string name="pdf_loading_failed">PDF loading failed</string>
+    <string name="password_too_short">Password must be at least 4 characters</string>
+    <string name="password_not_match">Passwords do not match</string>
 </resources>