...

app/src/main/AndroidManifest.xml

@@ -26,12 +26,7 @@
         android:theme="@style/Theme.BrowserWhite"
         android:usesCleartextTraffic="true"
         tools:targetApi="34">
-        <activity
-            android:name=".ui.activity.download.WebDownloadManagerActivity"
-            android:exported="false" />
-        <activity
-            android:name=".ui.activity.download.WebDownloadGuideActivity"
-            android:exported="false" />
+
         <activity
             android:name=".ui.activity.SplashActivity"
             android:exported="true"
@@ -42,6 +37,18 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".ui.activity.download.WebDownloadManagerActivity"
+            android:exported="false"
+            android:launchMode="singleTop"
+            android:screenOrientation="portrait"
+            tools:ignore="DiscouragedApi,LockedOrientationActivity" />
+        <activity
+            android:name=".ui.activity.download.WebDownloadGuideActivity"
+            android:exported="false"
+            android:launchMode="singleTop"
+            android:screenOrientation="portrait"
+            tools:ignore="DiscouragedApi,LockedOrientationActivity" />
         <activity
             android:name=".ui.activity.news.NewsDetailActivity"
             android:exported="false"

app/src/main/java/com/base/browserwhite/bean/DownloadBean.kt

 package com.base.browserwhite.bean
 
-data class DownloadBean(val path: String, val time: Long = 0) {
+data class DownloadBean(
+    val downloadId: Long=0,
+    val path: String="",
+    val time: String = ""
+) {
     var isTime: Boolean = false
 }
\ No newline at end of file

app/src/main/java/com/base/browserwhite/utils/AESHelper.kt → app/src/main/java/com/base/browserwhite/help/AESHelper.kt

-package com.base.browserwhite.utils
+package com.base.browserwhite.help
 
 import android.util.Base64
 import java.security.SecureRandom

app/src/main/java/com/base/browserwhite/utils/NewsUtils.kt → app/src/main/java/com/base/browserwhite/help/NewsUtils.kt

-package com.base.browserwhite.utils
+package com.base.browserwhite.help
 
 import com.base.browserwhite.BuildConfig
 import com.base.browserwhite.bean.NewsBean
+import com.base.browserwhite.utils.AppPreferences
+import com.base.browserwhite.utils.ConfigHelper
+import com.base.browserwhite.utils.LogEx
 import com.google.gson.Gson
 import com.google.gson.JsonParser
 import com.google.gson.reflect.TypeToken

app/src/main/java/com/base/browserwhite/utils/ReportUtils.java → app/src/main/java/com/base/browserwhite/help/ReportUtils.java

-package com.base.browserwhite.utils;
+package com.base.browserwhite.help;
 
 import android.text.TextUtils;
 
+import com.base.browserwhite.utils.LogEx;
+
 import java.io.BufferedReader;
 import java.io.InputStreamReader;
 import java.net.HttpURLConnection;

app/src/main/java/com/base/browserwhite/ui/activity/MainActivity.kt

@@ -18,6 +18,7 @@ import com.base.browserwhite.ui.fragment.FileFragment
 import com.base.browserwhite.ui.fragment.HomeFragment
 import com.base.browserwhite.ui.views.DialogViews.showMyAccountDialog
 import com.base.browserwhite.utils.BarUtils
+import com.base.browserwhite.utils.VideoDownloader
 import java.io.File
 
 class MainActivity : BaseActivity<ActivityMainBinding>() {
@@ -63,7 +64,7 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
             override fun onPageSelected(position: Int) {
             }
         })
-
+        VideoDownloader.downloadVideo(this, "https://assets.mixkit.co/videos/4702/4702-720.mp4")
     }
 
 

app/src/main/java/com/base/browserwhite/ui/activity/download/DownloadGuideFragment.kt

+package com.base.browserwhite.ui.activity.download
+
+import com.base.browserwhite.databinding.FragmentDownloadGuideBinding
+import com.base.browserwhite.ui.fragment.BaseFragment
+
+class DownloadGuideFragment() : BaseFragment<FragmentDownloadGuideBinding>() {
+
+    private var index = 0
+
+    constructor(index: Int) : this() {
+        this.index = index
+    }
+
+    override val binding: FragmentDownloadGuideBinding by lazy {
+        FragmentDownloadGuideBinding.inflate(layoutInflater)
+    }
+
+
+    override fun setView() {
+    }
+
+
+}
\ No newline at end of file

app/src/main/java/com/base/browserwhite/ui/activity/download/WebDownloadGuideActivity.kt

 package com.base.browserwhite.ui.activity.download
 
-import com.base.browserwhite.R
+import android.graphics.Color
+import androidx.activity.addCallback
+import androidx.core.view.isVisible
+import androidx.core.view.updatePadding
+import androidx.fragment.app.Fragment
+import androidx.viewpager2.adapter.FragmentStateAdapter
+import androidx.viewpager2.widget.ViewPager2
 import com.base.browserwhite.databinding.ActivityWebDownloadGuideBinding
 import com.base.browserwhite.ui.activity.BaseActivity
+import com.base.browserwhite.utils.BarUtils
 
 class WebDownloadGuideActivity : BaseActivity<ActivityWebDownloadGuideBinding>() {
 
+    private val fragment1: DownloadGuideFragment by lazy {
+        DownloadGuideFragment(0)
+    }
+    private val fragment2: DownloadGuideFragment by lazy {
+        DownloadGuideFragment(1)
+    }
+    private val fragment3: DownloadGuideFragment by lazy {
+        DownloadGuideFragment(2)
+    }
+    private val fragment4: DownloadGuideFragment by lazy {
+        DownloadGuideFragment(3)
+    }
+    private var currentPosition: Int = 0
+
+    private val fragments by lazy {
+        mutableListOf(fragment1, fragment2, fragment3, fragment4)
+    }
+
+
     override val binding: ActivityWebDownloadGuideBinding by lazy {
         ActivityWebDownloadGuideBinding.inflate(layoutInflater)
     }
 
 
     override fun initView() {
+        BarUtils.setStatusBarLightMode(this, true)
+        BarUtils.setStatusBarColor(this, Color.TRANSPARENT)
+        binding.root.updatePadding(top = BarUtils.getStatusBarHeight())
+
+        binding.viewPager2.run {
+            adapter = object : FragmentStateAdapter(this@WebDownloadGuideActivity) {
+                override fun getItemCount(): Int {
+                    return fragments.size
+                }
+
+                override fun createFragment(position: Int): Fragment {
+                    return fragments[position]
+                }
+            }
+        }
+        binding.viewPager2.registerOnPageChangeCallback(object :
+            ViewPager2.OnPageChangeCallback() {
+            override fun onPageSelected(position: Int) {
+                currentPosition = position
+                binding.ivBefore.isVisible = currentPosition > 0
+                binding.ivNext.isVisible = currentPosition < 3
+            }
+        })
+    }
+
+    override fun initListener() {
+        super.initListener()
+        onBackPressedDispatcher.addCallback { finishToMain() }
+        binding.flFanhui.setOnClickListener {
+            onBackPressedDispatcher.onBackPressed()
+        }
     }
 
 }
\ No newline at end of file

app/src/main/java/com/base/browserwhite/ui/activity/download/WebDownloadManagerActivity.kt

 package com.base.browserwhite.ui.activity.download
 
+import android.content.Intent
 import android.graphics.Color
+import android.os.Environment
+import androidx.activity.addCallback
+import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
+import com.base.browserwhite.R
+import com.base.browserwhite.bean.DownloadBean
 import com.base.browserwhite.databinding.ActivityWebDownloadManagerBinding
 import com.base.browserwhite.ui.activity.BaseActivity
 import com.base.browserwhite.ui.adapter.DownloadAdapter
+import com.base.browserwhite.ui.views.DialogViews.showGerPermission
 import com.base.browserwhite.utils.BarUtils
+import com.base.browserwhite.utils.KotlinExt.toFormatTime
+import com.base.browserwhite.utils.PermissionHelp.checkStorePermission
+import com.base.browserwhite.utils.PermissionHelp.requestStorePermission
+import java.io.File
 
 class WebDownloadManagerActivity : BaseActivity<ActivityWebDownloadManagerBinding>() {
 
@@ -22,6 +33,57 @@ class WebDownloadManagerActivity : BaseActivity<ActivityWebDownloadManagerBindin
         binding.root.updatePadding(top = BarUtils.getStatusBarHeight())
 
         adapter = DownloadAdapter()
+        binding.rv.adapter = adapter
+
+        if (checkStorePermission()) {
+            initData()
+        } else {
+            showGerPermission(desc = "", deny = { finishToMain() }, allow = {
+                requestStorePermission(launcher, result = {
+                    if (it) initData() else finishToMain()
+                })
+            })
+        }
+    }
+
+    override fun initListener() {
+        super.initListener()
+        onBackPressedDispatcher.addCallback {
+            finishToMain()
+        }
+        binding.flFanhui.setOnClickListener {
+            onBackPressedDispatcher.onBackPressed()
+        }
+        binding.tvHowUse.setOnClickListener {
+            startActivity(Intent(this, WebDownloadGuideActivity::class.java))
+            finish()
+        }
     }
 
+    private fun initData() {
+        val appName: String = resources.getString(R.string.app_name)
+        val dir = File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS), appName)
+//        dir.listFiles().isNullOrEmpty()
+        if (true) {
+            binding.llEmpty.isVisible = true
+        } else {
+            val fileList = arrayListOf<File>()
+            val timeList = arrayListOf<String>()
+            val beanList = arrayListOf<DownloadBean>()
+            fileList.addAll(dir.listFiles() ?: arrayOf())
+            fileList.sortBy { it.lastModified() }
+            fileList.forEach {
+                val time = it.lastModified().toFormatTime()
+                if (!timeList.contains(time)) {
+                    timeList.add(time)
+                    beanList.add(DownloadBean(time = time).apply { isTime = true })
+                } else {
+                    beanList.add(DownloadBean(path = it.absolutePath))
+                }
+            }
+            adapter.submitList(beanList)
+        }
+
+
+    }
 }
\ No newline at end of file

app/src/main/java/com/base/browserwhite/ui/activity/news/NewsActivity.kt

@@ -11,7 +11,7 @@ import com.base.browserwhite.ui.activity.BaseActivity
 import com.base.browserwhite.ui.adapter.NewsAdapter
 import com.base.browserwhite.utils.BarUtils
 import com.base.browserwhite.utils.LogEx
-import com.base.browserwhite.utils.NewsUtils
+import com.base.browserwhite.help.NewsUtils
 import com.chad.library.adapter4.QuickAdapterHelper
 import com.chad.library.adapter4.loadState.LoadState
 import com.chad.library.adapter4.loadState.trailing.TrailingLoadStateAdapter

app/src/main/java/com/base/browserwhite/ui/activity/news/NewsDetailActivity.kt

@@ -7,7 +7,7 @@ import androidx.fragment.app.FragmentTransaction
 import com.base.browserwhite.R
 import com.base.browserwhite.databinding.ActivityNewsDetailBinding
 import com.base.browserwhite.ui.activity.BaseActivity
-import com.base.browserwhite.ui.fragment.WebViewFragment
+import com.base.browserwhite.ui.activity.webbrowser.WebViewFragment
 import com.base.browserwhite.utils.BarUtils
 
 class NewsDetailActivity : BaseActivity<ActivityNewsDetailBinding>() {

app/src/main/java/com/base/browserwhite/ui/activity/result/ResultActivity.kt

@@ -7,15 +7,12 @@ import androidx.activity.addCallback
 import com.base.browserwhite.bean.ConstObject.JUNK_CLEANER
 import com.base.browserwhite.databinding.ActivityResultBinding
 import com.base.browserwhite.ui.activity.BaseActivity
-import com.base.browserwhite.ui.activity.news.NewsActivity
 import com.base.browserwhite.ui.activity.news.NewsDetailActivity
-import com.base.browserwhite.ui.activity.webbrowser.WebBrowserActivity
 import com.base.browserwhite.ui.adapter.NewsAdapter
-import com.base.browserwhite.ui.fragment.HomeFragment
 import com.base.browserwhite.utils.BarUtils
 import com.base.browserwhite.utils.KotlinExt.toFormatSize
 import com.base.browserwhite.utils.LogEx
-import com.base.browserwhite.utils.NewsUtils
+import com.base.browserwhite.help.NewsUtils
 import com.chad.library.adapter4.QuickAdapterHelper
 import com.chad.library.adapter4.loadState.LoadState
 import com.chad.library.adapter4.loadState.trailing.TrailingLoadStateAdapter

app/src/main/java/com/base/browserwhite/ui/activity/webbrowser/WebBrowserActivity.kt

@@ -15,7 +15,6 @@ import com.base.browserwhite.bean.ConstObject.GOOGLE
 import com.base.browserwhite.databinding.ActivityWebBrowserBinding
 import com.base.browserwhite.ui.activity.BaseActivity
 import com.base.browserwhite.ui.fragment.HomeFragment
-import com.base.browserwhite.ui.fragment.WebViewFragment
 import com.base.browserwhite.ui.views.DialogViews.showSearchEngineDialog
 import com.base.browserwhite.utils.BarUtils
 

app/src/main/java/com/base/browserwhite/ui/fragment/WebViewFragment.kt → app/src/main/java/com/base/browserwhite/ui/activity/webbrowser/WebViewFragment.kt

-package com.base.browserwhite.ui.fragment
+package com.base.browserwhite.ui.activity.webbrowser
 
 import android.annotation.SuppressLint
 import android.net.Uri
 import android.net.http.SslError
-import android.os.Handler
-import android.os.Looper
 import android.view.View
 import android.webkit.CookieManager
 import android.webkit.JsResult
@@ -19,6 +17,7 @@ import android.webkit.WebView
 import android.webkit.WebViewClient
 import androidx.lifecycle.lifecycleScope
 import com.base.browserwhite.databinding.FragmentWebViewBinding
+import com.base.browserwhite.ui.fragment.BaseFragment
 import com.base.browserwhite.utils.LogEx
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay

app/src/main/java/com/base/browserwhite/ui/adapter/DownloadAdapter.kt

@@ -25,11 +25,11 @@ class DownloadAdapter : BaseQuickAdapter<DownloadBean, DownloadAdapter.DownloadV
         val context = holder.itemView.context
         if (item.isTime) {
             val binding = ItemDownloadTimeBinding.bind(holder.itemView)
-            binding.tvTime.text = item.time.toFormatTime()
+            binding.tvTime.text = item.time
         } else {
             val binding = ItemDownloadBinding.bind(holder.itemView)
             val file = File(item.path)
-            Glide.with(context).load(file.absoluteFile).into(binding.iv)
+            Glide.with(context).load(file.absoluteFile).centerCrop().into(binding.iv)
             binding.tvName.text = file.name
             binding.tvSize.text = file.length().toFormatSize()
         }

app/src/main/java/com/base/browserwhite/ui/fragment/FileFragment.kt

@@ -7,10 +7,14 @@ import android.view.View
 import androidx.lifecycle.lifecycleScope
 import com.base.browserwhite.BuildConfig
 import com.base.browserwhite.bean.MediaBean
+import com.base.browserwhite.databinding.ActivityWebDownloadGuideBinding
 import com.base.browserwhite.databinding.FragmentFileBinding
 import com.base.browserwhite.ui.activity.MainActivity
 import com.base.browserwhite.ui.activity.cleanjunk.ScanJunkActivity
+import com.base.browserwhite.ui.activity.download.WebDownloadGuideActivity
+import com.base.browserwhite.ui.activity.download.WebDownloadManagerActivity
 import com.base.browserwhite.ui.activity.mediabrowser.MediaBrowserActivity
+import com.base.browserwhite.ui.activity.webbrowser.WebBrowserActivity
 import com.base.browserwhite.ui.adapter.MediaAdapter
 import com.base.browserwhite.ui.views.DialogViews.showDeleteTipDialog
 import com.base.browserwhite.ui.views.DialogViews.showMediaMoreDialog
@@ -124,6 +128,13 @@ class FileFragment : BaseFragment<FragmentFileBinding>() {
                 putExtra("tittle", "Zip")
             })
         }
+        binding.llDownload.setOnClickListener {
+//            requireActivity().startActivity(Intent(requireContext(), WebBrowserActivity::class.java).apply {
+//                putExtra("url", "https://mixkit.co/free-stock-video/girl-dancing-happily-in-a-field-of-flowers-4702/")
+//            })
+
+            startActivity(Intent(requireContext(), WebDownloadManagerActivity::class.java))
+        }
 
 
     }

app/src/main/java/com/base/browserwhite/ui/fragment/HomeFragment.kt

@@ -33,23 +33,14 @@ import com.base.browserwhite.ui.adapter.NewsAdapter
 import com.base.browserwhite.ui.views.DialogViews.showSearchEngineDialog
 import com.base.browserwhite.utils.AppPreferences
 import com.base.browserwhite.utils.LogEx
-import com.base.browserwhite.utils.NewsUtils.requestNews
+import com.base.browserwhite.help.NewsUtils.requestNews
 import com.chad.library.adapter4.QuickAdapterHelper
 import com.chad.library.adapter4.loadState.LoadState
 import com.chad.library.adapter4.loadState.trailing.TrailingLoadStateAdapter
-import okhttp3.Call
-import okhttp3.Callback
-import okhttp3.OkHttpClient
-import okhttp3.Request
-import okhttp3.Response
-import java.io.File
-import java.io.FileOutputStream
-import java.io.IOException
 import java.net.MalformedURLException
 import java.net.URL
 import java.net.URLEncoder
 import java.nio.charset.StandardCharsets
-import java.util.Locale
 
 
 class HomeFragment : BaseFragment<FragmentHomeBinding>() {

app/src/main/java/com/base/browserwhite/utils/EventUtils.kt

@@ -2,7 +2,8 @@ package com.base.browserwhite.utils
 
 import android.os.Build
 import com.base.browserwhite.BuildConfig
-import com.base.browserwhite.utils.ReportUtils.doPost
+import com.base.browserwhite.help.AESHelper
+import com.base.browserwhite.help.ReportUtils.doPost
 import org.json.JSONException
 import org.json.JSONObject
 

app/src/main/java/com/base/browserwhite/utils/PermissionHelp.kt

@@ -9,7 +9,6 @@ import android.os.Build
 import android.os.Environment
 import android.provider.Settings
 import androidx.core.app.ActivityCompat
-import com.base.browserwhite.utils.PermissionHelp.checkStorePermission
 
 object PermissionHelp {
 

app/src/main/java/com/base/browserwhite/utils/VideoDownloader.kt

+package com.base.browserwhite.utils
+
+import android.annotation.SuppressLint
+import android.app.DownloadManager
+import android.content.Context
+import android.database.Cursor
+import android.net.Uri
+import android.os.Environment
+import com.base.browserwhite.R
+import java.io.File
+
+
+object VideoDownloader {
+
+    //https://assets.mixkit.co/videos/4702/4702-720.mp4
+    fun downloadVideo(context: Context, uri: String): Pair<Long, File> {
+        val downloadManager = context.getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
+
+        val fileName = uri.split("/").last()
+
+
+        // 创建一个DownloadManager.Request对象
+        val request = DownloadManager.Request(Uri.parse(uri))
+
+        // 设置下载的标题和描述
+        request.setTitle(fileName)
+        request.setDescription("Downloading $fileName")
+
+        // 设置通知栏的可见性
+        request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
+
+        // 设置下载的文件类型
+        request.setMimeType("video/mp4")
+
+        // 设置下载文件的存储位置
+        val subPath = context.resources.getString(R.string.app_name) + "/$fileName"
+        request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, subPath)
+
+        // 设置是否允许漫游
+        request.setAllowedOverRoaming(false)
+
+        // 将下载请求加入下载队列
+        val downloadId = downloadManager.enqueue(request)
+
+        val filePath = File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS), subPath)
+
+        return Pair(downloadId, filePath)
+    }
+
+    fun queryDownloadProgress(
+        context: Context,
+        downloadId: Long,
+        uiAction: (progress: Int) -> Uri,
+        noRunningAction: (status: Int) -> Uri
+    ) {
+        val downloadManager = context.getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
+
+        // 创建查询对象
+        val query = DownloadManager.Query().setFilterById(downloadId)
+
+        // 执行查询
+        val cursor = downloadManager.query(query)
+
+        // 检查游标是否有数据
+        if (cursor != null && cursor.moveToFirst()) {
+            // 获取下载的状态
+            val columnIndexStatus = cursor.getColumnIndex(DownloadManager.COLUMN_STATUS)
+            val status = cursor.getInt(columnIndexStatus)
+
+            // 检查下载是否还在进行中
+            if (status == DownloadManager.STATUS_RUNNING) {
+                // 获取下载的进度
+                val columnIndexBytesDownloadedSoFar = cursor.getColumnIndex(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR)
+                val bytesDownloadedSoFar = cursor.getLong(columnIndexBytesDownloadedSoFar)
+
+                val columnIndexTotalSizeBytes = cursor.getColumnIndex(DownloadManager.COLUMN_TOTAL_SIZE_BYTES)
+                val totalSizeBytes = cursor.getLong(columnIndexTotalSizeBytes)
+
+                // 计算下载的百分比
+                val progress = (100 * bytesDownloadedSoFar.toFloat() / totalSizeBytes.toFloat()).toInt()
+
+                // 在这里处理进度更新，例如更新UI
+                uiAction.invoke(progress)
+
+            } else {
+                // 处理下载完成或出错的情况
+                noRunningAction.invoke(status)
+                when (status) {
+                    DownloadManager.STATUS_PAUSED -> {
+                        println("Download paused")
+                    }
+
+                    DownloadManager.STATUS_FAILED -> {
+                        println("Download failed")
+                    }
+
+                    DownloadManager.STATUS_SUCCESSFUL -> {
+                        println("Download successful")
+                    }
+                }
+            }
+
+            // 关闭游标
+            cursor.close()
+        }
+    }
+
+    @SuppressLint("Range")
+    fun queryDownloadFilePath(context: Context, downloadId: Long): String {
+        var filePath: String = ""
+        val downloadManager = context.getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
+
+        runCatching {
+            val query = DownloadManager.Query().setFilterById(downloadId)
+            val cursor: Cursor = downloadManager.query(query)
+            if (cursor.moveToFirst()) {
+                val status = cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_STATUS))
+                if (status == DownloadManager.STATUS_SUCCESSFUL) {
+                    //下载文件的本地路径
+                    filePath = cursor.getString(cursor.getColumnIndex(DownloadManager.COLUMN_LOCAL_FILENAME))
+                }
+            }
+            cursor.close()
+        }
+        return filePath
+    }
+}
\ No newline at end of file

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

@@ -5,6 +5,80 @@
     android:id="@+id/main"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="#4688C5"
     tools:context=".ui.activity.download.WebDownloadGuideActivity">
 
+    <FrameLayout
+        android:id="@+id/fl_top"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical|start"
+            android:layout_marginVertical="10dp"
+            android:layout_marginStart="10dp"
+            tools:ignore="UselessParent">
+
+            <FrameLayout
+                android:id="@+id/fl_fanhui"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:padding="10dp">
+
+                <ImageView
+
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:src="@mipmap/w_fanhui"
+                    tools:ignore="ContentDescription" />
+
+            </FrameLayout>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_vertical"
+                android:text="How to download videos"
+                android:textColor="@color/white"
+                android:textSize="19sp"
+                android:textStyle="bold"
+                tools:ignore="HardcodedText" />
+
+        </LinearLayout>
+
+    </FrameLayout>
+
+
+    <androidx.viewpager2.widget.ViewPager2
+        android:id="@+id/viewPager2"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toTopOf="@id/iv_before"
+        app:layout_constraintTop_toBottomOf="@id/fl_top" />
+
+    <ImageView
+        android:id="@+id/iv_before"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="20dp"
+        android:layout_marginBottom="45dp"
+        android:src="@mipmap/shangyibu"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        tools:ignore="ContentDescription" />
+
+    <ImageView
+        android:id="@+id/iv_next"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="20dp"
+        android:layout_marginBottom="45dp"
+        android:src="@mipmap/xiayibu"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        tools:ignore="ContentDescription" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

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

@@ -61,6 +61,13 @@
         android:layout_height="0dp"
         android:layout_weight="1">
 
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/rv"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+            tools:listitem="@layout/item_download" />
+
         <LinearLayout
             android:id="@+id/ll_empty"
             android:layout_width="wrap_content"
@@ -92,6 +99,8 @@
                 android:layout_gravity="center"
                 android:layout_marginTop="22dp"
                 android:background="@drawable/bg_0571ed_25"
+                android:clickable="true"
+                android:focusable="true"
                 android:gravity="center"
                 android:text="How to download videos"
                 android:textColor="@color/white"
@@ -99,14 +108,6 @@
                 tools:ignore="HardcodedText" />
 
         </LinearLayout>
-
-        <androidx.recyclerview.widget.RecyclerView
-            android:id="@+id/rv"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
-            tools:listitem="@layout/item_download" />
-
     </FrameLayout>
 
 </LinearLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_download_guide.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"
+    android:background="#4688C5"
+    tools:context=".ui.activity.download.WebDownloadGuideActivity">
+
+
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:src="@mipmap/tu1"
+        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" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

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

@@ -248,13 +248,13 @@
         </androidx.cardview.widget.CardView>
 
         <LinearLayout
+            android:id="@+id/ll_download"
             android:layout_width="match_parent"
             android:layout_height="70dp"
             android:layout_margin="16dp"
             android:background="@drawable/bg_storke_dee9f4"
             android:elevation="0dp"
-            android:orientation="horizontal"
-            android:visibility="gone">
+            android:orientation="horizontal">
 
             <ImageView
                 android:layout_width="wrap_content"
@@ -305,7 +305,6 @@
             android:layout_width="match_parent"
             android:layout_height="165dp"
             android:layout_marginHorizontal="16dp"
-            android:layout_marginTop="12dp"
             android:layout_marginBottom="8dp"
             android:background="@drawable/bg_storke_dee9f4"
             android:orientation="vertical">

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

@@ -4,7 +4,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    tools:context=".ui.fragment.WebViewFragment">
+    tools:context=".ui.activity.webbrowser.WebViewFragment">
 
     <ProgressBar
         android:id="@+id/progress_bar"