v1.5.3

优化 1. 主界面加载速度
2026-06-05 07:20:23 +08:00 · 2025-07-06 23:05:19 +09:00
parent 555d78a58f
commit dadcb1e729
15 changed files with 205 additions and 136 deletions
--- a/.idea/dictionaries/fumiama.xml
+++ b/.idea/dictionaries/fumiama.xml
@@ -2,7 +2,9 @@
  <dictionary name="fumiama">
    <words>
      <w>copymanga</w>
+      <w>copymangaweb</w>
      <w>dere</w>
+      <w>fileprovider</w>
      <w>lowpan</w>
      <w>pdwn</w>
      <w>reilia</w>
--- a/.idea/kotlinc.xml
+++ b/.idea/kotlinc.xml
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="KotlinJpsPluginSettings">
-    <option name="version" value="2.1.0" />
-  </component>
-</project>
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,8 +10,8 @@ android {
        applicationId "top.fumiama.copymangaweb"
        minSdkVersion 23
        targetSdkVersion 36
-        versionCode 15
-        versionName '1.5.2'
+        versionCode 16
+        versionName '1.5.3'
        resConfigs "zh", "zh-rCN"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -97,7 +97,7 @@ if (propFile.canRead()){
 dependencies {
    implementation fileTree(dir: "libs", include: ["*.jar"])
    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3"
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.10.2'
    implementation 'androidx.core:core-ktx:1.16.0'
    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.9.1'
    implementation 'androidx.constraintlayout:constraintlayout:2.2.1'
--- a/app/src/main/java/top/fumiama/copymangaweb/activity/DlActivity.kt
+++ b/app/src/main/java/top/fumiama/copymangaweb/activity/DlActivity.kt
@@ -14,7 +14,7 @@ import android.widget.Toast
 import android.widget.ToggleButton
 import com.google.gson.Gson
 import top.fumiama.copymangaweb.R
-import top.fumiama.copymangaweb.activity.MainActivity.Companion.mh
+import top.fumiama.copymangaweb.activity.MainActivity.Companion.wm
 import top.fumiama.copymangaweb.activity.template.ToolsBoxActivity
 import top.fumiama.copymangaweb.data.ComicStructure
 import top.fumiama.copymangaweb.databinding.ActivityDlBinding
@@ -51,7 +51,7 @@ class DlActivity : ToolsBoxActivity() {
        super.onCreate(savedInstanceState)
        mBinding = ActivityDlBinding.inflate(layoutInflater)
        setContentView(mBinding.root)
-        mh?.saveUrlsOnly = true
+        wm?.get()?.saveUrlsOnly = true
        mangaDlTools = MangaDlTools(this)
        mBinding.dwh.apply { post {
            settings.userAgentString = getString(R.string.pc_ua)
@@ -63,7 +63,7 @@ class DlActivity : ToolsBoxActivity() {
    }

    override fun onDestroy() {
-        mh?.saveUrlsOnly = false
+        wm?.get()?.saveUrlsOnly = false
        wmdlt?.get()?.exit = true
        handler.removeCallbacksAndMessages(null)
        super.onDestroy()
--- a/app/src/main/java/top/fumiama/copymangaweb/activity/DlListActivity.kt
+++ b/app/src/main/java/top/fumiama/copymangaweb/activity/DlListActivity.kt
@@ -62,7 +62,7 @@ class DlListActivity: Activity() {
                        ViewMangaActivity.zipFile = chosenFile
                        ViewMangaActivity.titleText = it[position]
                        ViewMangaActivity.zipPosition = position
-                        ViewMangaActivity.zipList = it as Array<String>
+                        ViewMangaActivity.zipList = it.toList().toTypedArray()
                        ViewMangaActivity.cd = cd
                        startActivity(Intent(this, ViewMangaActivity::class.java))
                    }
--- a/app/src/main/java/top/fumiama/copymangaweb/activity/MainActivity.kt
+++ b/app/src/main/java/top/fumiama/copymangaweb/activity/MainActivity.kt
@@ -6,6 +6,7 @@ import android.net.Uri
 import android.os.Bundle
 import android.os.Looper
 import android.view.View
+import android.view.WindowManager
 import android.webkit.ValueCallback
 import android.webkit.WebView
 import androidx.lifecycle.lifecycleScope
@@ -14,9 +15,12 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import top.fumiama.copymangaweb.BuildConfig
 import top.fumiama.copymangaweb.R
+import top.fumiama.copymangaweb.activity.DlActivity.Companion.json
 import top.fumiama.copymangaweb.activity.template.ToolsBoxActivity
+import top.fumiama.copymangaweb.activity.viewmodel.MainViewModel
 import top.fumiama.copymangaweb.databinding.ActivityMainBinding
 import top.fumiama.copymangaweb.handler.MainHandler
+import top.fumiama.copymangaweb.tool.MangaDlTools.Companion.wmdlt
 import top.fumiama.copymangaweb.tool.SetDraggable
 import top.fumiama.copymangaweb.tool.Updater
 import top.fumiama.copymangaweb.web.JS
@@ -26,19 +30,23 @@ import java.lang.ref.WeakReference

 class MainActivity: ToolsBoxActivity() {
    var uploadMessageAboveL: ValueCallback<Array<Uri>>? = null
+    var saveUrlsOnly = false
    lateinit var mBinding: ActivityMainBinding
+    private val mViewModel = MainViewModel()

    @SuppressLint("JavascriptInterface")
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        mBinding = ActivityMainBinding.inflate(layoutInflater)
+        mBinding.mainViewModel = mViewModel
+        mBinding.lifecycleOwner = this
        setContentView(mBinding.root)

        wm = WeakReference(this)
        mh = MainHandler(Looper.myLooper()!!)
        toolsBox.netInfo.let {
            if(it == "无网络" || it == "错误") {
-                mh?.sendEmptyMessage(MainHandler.SET_FAB_TO_DOWNLOAD_LIST)
+                setFab2DlList()
                return@let
            }

@@ -109,10 +117,41 @@ class MainActivity: ToolsBoxActivity() {
        ).check(BuildConfig.VERSION_CODE)
    }

-    fun onFabClicked(v: View){
+    fun loadHiddenUrl(u: String) {
+        mBinding.wh.apply { post { loadUrl(u) } }
+    }
+
+    fun updateLoadProgress(p: Int) {
+        lifecycleScope.launch { mViewModel.updateLoadProgress(p) }
+    }
+
+    fun setFab(content: String) {
+        json = content
+        lifecycleScope.launch {
+            withContext(Dispatchers.Main) {
+                mViewModel.showDlList.value = false
+                mViewModel.setFabVisibility(true)
+            }
+        }
+    }
+
+    fun setFab2DlList() {
+        lifecycleScope.launch {
+            withContext(Dispatchers.Main) {
+                mViewModel.showDlList.value = true
+                mViewModel.setFabVisibility(true)
+            }
+        }
+    }
+
+    fun hideFab() {
+        lifecycleScope.launch { mViewModel.setFabVisibility(false) }
+    }
+
+    fun onFabClicked(v: View) {
        DlListActivity.currentDir = getExternalFilesDir("")
        startActivity(
-            Intent(this, (if(mh?.showDlList == true) DlListActivity::class else DlActivity::class).java)
+            Intent(this, (if(mViewModel.showDlList.value == true) DlListActivity::class else DlActivity::class).java)
                .putExtra("title", "我的下载")
        )
    }
@@ -128,6 +167,26 @@ class MainActivity: ToolsBoxActivity() {
        )
    }

+    fun callViewManga(content: String) {
+        lifecycleScope.launch { withContext(Dispatchers.IO) {
+            val listChapter = content.split('\n')
+            if(!saveUrlsOnly) {
+                ViewMangaActivity.titleText = listChapter[0].substringBeforeLast(' ')
+                ViewMangaActivity.nextChapterUrl = listChapter[1].let { if(it == "null") null else it }
+                ViewMangaActivity.previousChapterUrl = listChapter[2].let { if(it == "null") null else it }
+                ViewMangaActivity.imgUrls = arrayOf()
+                for(i in 3 until listChapter.size) ViewMangaActivity.imgUrls += listChapter[i]
+                withContext(Dispatchers.Main) {
+                    startActivity(Intent(this@MainActivity, ViewMangaActivity::class.java))
+                }
+            } else {
+                var imgs = arrayOf<String>()
+                for(i in 3 until listChapter.size) imgs += listChapter[i]
+                wmdlt?.get()?.setChapterImages(listChapter[0].substringAfterLast(' '), imgs)
+            }
+        } }
+    }
+
    companion object {
        const val FILE_CHOOSER_RESULT_CODE = 1
        var wm: WeakReference<MainActivity>? = null
--- a/app/src/main/java/top/fumiama/copymangaweb/activity/viewmodel/MainViewModel.kt
+++ b/app/src/main/java/top/fumiama/copymangaweb/activity/viewmodel/MainViewModel.kt
@@ -0,0 +1,30 @@
+package top.fumiama.copymangaweb.activity.viewmodel
+
+import android.view.View
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+
+class MainViewModel: ViewModel() {
+    val progress = MutableLiveData(0)
+    val progressDuration = MutableLiveData(233L)
+    val progressVisibility = MutableLiveData(View.VISIBLE)
+    val fabVisibility = MutableLiveData(View.GONE)
+    val showDlList = MutableLiveData(false)
+
+    suspend fun updateLoadProgress(p: Int) = withContext(Dispatchers.Main) {
+        if(progress.value == 100 && p < 100) {
+            progress.value = 0
+            progressVisibility.value = View.VISIBLE
+            return@withContext
+        }
+        progress.value = p
+    }
+
+    suspend fun setFabVisibility(visible: Boolean) {
+        withContext(Dispatchers.Main) {
+            fabVisibility.value = if (visible) View.VISIBLE else View.GONE
+        }
+    }
+}
--- a/app/src/main/java/top/fumiama/copymangaweb/handler/MainHandler.kt
+++ b/app/src/main/java/top/fumiama/copymangaweb/handler/MainHandler.kt
@@ -1,33 +1,19 @@
 package top.fumiama.copymangaweb.handler

-import android.animation.ObjectAnimator
 import android.app.Dialog
-import android.content.Intent
 import android.os.Handler
 import android.os.Looper
 import android.os.Message
-import android.view.View
 import android.widget.TextView
 import top.fumiama.copymangaweb.R
-import top.fumiama.copymangaweb.activity.DlActivity.Companion.json
 import top.fumiama.copymangaweb.activity.MainActivity.Companion.wm
-import top.fumiama.copymangaweb.activity.ViewMangaActivity
-import top.fumiama.copymangaweb.tool.MangaDlTools.Companion.wmdlt

-class MainHandler(looper: Looper):Handler(looper) {
-    var saveUrlsOnly = false
-    var showDlList = false
+class MainHandler(looper: Looper): Handler(looper) {
    private var dialog: Dialog? = null

    override fun handleMessage(msg: Message) {
        super.handleMessage(msg)
        when(msg.what) {
-            LOAD_URL_IN_HIDDEN_WEB_VIEW -> loadUrlInHiddenWebView(msg.obj as String)
-            CALL_VIEW_MANGA -> callViewManga(msg.obj as String)
-            UPDATE_LOAD_PROGRESS -> updateLoadProgress(msg.arg1)
-            SET_FAB -> setFab(msg.obj as String)
-            HIDE_FAB -> hideFab()
-            SET_FAB_TO_DOWNLOAD_LIST -> setFab2DlList()
            SHOW_LOADING_DIALOG -> {
                wm?.get()?.apply {
                    (dialog?:Dialog(this).also {
@@ -48,52 +34,7 @@ class MainHandler(looper: Looper):Handler(looper) {
            }
        }
    }
-    private fun loadUrlInHiddenWebView(url: String) { wm?.get()?.mBinding?.wh?.apply { post { loadUrl(url) } } }
-    private fun callViewManga(content: String) = Thread{
-        val listChapter = content.split('\n')
-        if(!saveUrlsOnly) {
-            ViewMangaActivity.titleText = listChapter[0].substringBeforeLast(' ')
-            ViewMangaActivity.nextChapterUrl = listChapter[1].let { if(it == "null") null else it }
-            ViewMangaActivity.previousChapterUrl = listChapter[2].let { if(it == "null") null else it }
-            ViewMangaActivity.imgUrls = arrayOf()
-            for(i in 3 until listChapter.size) ViewMangaActivity.imgUrls += listChapter[i]
-            wm?.get()?.apply { runOnUiThread { startActivity(Intent(this, ViewMangaActivity::class.java)) } }
-        } else {
-            var imgs = arrayOf<String>()
-            for(i in 3 until listChapter.size) imgs += listChapter[i]
-            wmdlt?.get()?.setChapterImgs(listChapter[0].substringAfterLast(' '), imgs)
-        }
-    }.start()
-    private fun updateLoadProgress(p: Int) {
-        wm?.get()?.mBinding?.pw?.apply { post {
-            if(progress == 100 && p < 100) {
-                progress = 0
-                visibility = View.VISIBLE
-            }
-            ObjectAnimator.ofInt(this, "progress", progress, p).setDuration(233).start()
-            if(p == 100) postDelayed({ visibility = View.GONE }, 500)
-        } }
-    }
-    private fun showFab() { wm?.get()?.mBinding?.fab?.apply { post { visibility = View.VISIBLE } } }
-    private fun hideFab() { wm?.get()?.mBinding?.fab?.apply { post { visibility = View.GONE } } }
-    private fun setFab(content: String) {
-        //Log.d("MyMH", "Get chapter json: $content")
-        showDlList = false
-        json = content
-        showFab()
-    }
-    private fun setFab2DlList(){
-        showDlList = true
-        showFab()
-    }
-
    companion object {
-        const val LOAD_URL_IN_HIDDEN_WEB_VIEW = 1
-        const val CALL_VIEW_MANGA = 2
-        const val UPDATE_LOAD_PROGRESS = 3
-        const val SET_FAB = 4
-        const val HIDE_FAB = 5
-        const val SET_FAB_TO_DOWNLOAD_LIST = 6
        const val SHOW_LOADING_DIALOG = 7
        const val HIDE_LOADING_DIALOG = 8
        const val SET_LOADING_DIALOG_TEXT = 9
--- a/app/src/main/java/top/fumiama/copymangaweb/tool/MangaDlTools.kt
+++ b/app/src/main/java/top/fumiama/copymangaweb/tool/MangaDlTools.kt
@@ -41,7 +41,7 @@ class MangaDlTools(activity: DlActivity) {
        }
    }

-    fun setChapterImgs(hash: String, imgUrls: Array<String>){
+    fun setChapterImages(hash: String, imgUrls: Array<String>){
        imgUrlsList?.set(p[hash].toInt(), imgUrls)
        sem.release()
    }
--- a/app/src/main/java/top/fumiama/copymangaweb/view/BindingAdapters.kt
+++ b/app/src/main/java/top/fumiama/copymangaweb/view/BindingAdapters.kt
@@ -0,0 +1,30 @@
+package top.fumiama.copymangaweb.view
+
+import android.animation.ObjectAnimator
+import android.view.View
+import android.widget.ProgressBar
+import androidx.core.animation.doOnEnd
+import androidx.databinding.BindingAdapter
+
+object BindingAdapters {
+    @JvmStatic
+    @BindingAdapter(
+        value = ["animateProgress", "animationDuration"],
+        requireAll = false
+    )
+    fun bindAnimateProgress(
+        view: ProgressBar,
+        progress: Int?,
+        duration: Long?
+    ) {
+        if (progress == null) return
+        val dur = duration ?: 1000L
+        ObjectAnimator.ofInt(view, "progress", view.progress, progress).apply {
+            setDuration(dur)
+            start()
+        }.doOnEnd {
+            if (progress < 100) return@doOnEnd
+            view.apply { post { visibility = View.GONE } }
+        }
+    }
+}
--- a/app/src/main/java/top/fumiama/copymangaweb/web/JS.kt
+++ b/app/src/main/java/top/fumiama/copymangaweb/web/JS.kt
@@ -3,9 +3,7 @@ package top.fumiama.copymangaweb.web
 import android.util.Log
 import android.webkit.JavascriptInterface
 import top.fumiama.copymangaweb.R
-import top.fumiama.copymangaweb.activity.MainActivity.Companion.mh
 import top.fumiama.copymangaweb.activity.MainActivity.Companion.wm
-import top.fumiama.copymangaweb.handler.MainHandler

 class JS {
    @JavascriptInterface
@@ -16,14 +14,14 @@ class JS {
            else -> ""
        }
        Log.d("MyJS", "Load comic: $u")
-        mh?.obtainMessage(MainHandler.LOAD_URL_IN_HIDDEN_WEB_VIEW, u)?.sendToTarget()
+        wm?.get()?.loadHiddenUrl(u)
    }
    @JavascriptInterface
    fun hideFab() {
-        mh?.sendEmptyMessage(MainHandler.HIDE_FAB)
+        wm?.get()?.hideFab()
    }
    @JavascriptInterface
    fun enterProfile(){
-        mh?.sendEmptyMessage(MainHandler.SET_FAB_TO_DOWNLOAD_LIST)
+        wm?.get()?.setFab2DlList()
    }
 }
--- a/app/src/main/java/top/fumiama/copymangaweb/web/JSHidden.kt
+++ b/app/src/main/java/top/fumiama/copymangaweb/web/JSHidden.kt
@@ -4,12 +4,13 @@ import android.util.Log
 import android.webkit.JavascriptInterface
 import top.fumiama.copymangaweb.activity.DlActivity
 import top.fumiama.copymangaweb.activity.MainActivity.Companion.mh
+import top.fumiama.copymangaweb.activity.MainActivity.Companion.wm
 import top.fumiama.copymangaweb.handler.MainHandler

 class JSHidden {
    @JavascriptInterface
    fun loadChapter(listString: String){
-        mh?.obtainMessage(MainHandler.CALL_VIEW_MANGA, listString)?.sendToTarget()
+        wm?.get()?.callViewManga(listString)
    }
    @JavascriptInterface
    fun setTitle(title:String){
@@ -18,7 +19,7 @@ class JSHidden {
    }
    @JavascriptInterface
    fun setFab(content: String){
-        mh?.obtainMessage(MainHandler.SET_FAB, content)?.sendToTarget()
+        wm?.get()?.setFab(content)
    }
    @JavascriptInterface
    fun setLoadingDialog(display: Boolean) {
--- a/app/src/main/java/top/fumiama/copymangaweb/web/WebChromeClient.kt
+++ b/app/src/main/java/top/fumiama/copymangaweb/web/WebChromeClient.kt
@@ -1,17 +1,18 @@
 package top.fumiama.copymangaweb.web

 import android.net.Uri
-import android.webkit.*
+import android.webkit.JsPromptResult
+import android.webkit.JsResult
+import android.webkit.ValueCallback
 import android.webkit.WebChromeClient
-import top.fumiama.copymangaweb.activity.MainActivity.Companion.mh
+import android.webkit.WebView
 import top.fumiama.copymangaweb.activity.MainActivity.Companion.wm
-import top.fumiama.copymangaweb.handler.MainHandler

 class WebChromeClient:WebChromeClient() {
    override fun onProgressChanged(view: WebView?, newProgress: Int) {
        super.onProgressChanged(view, newProgress)
        //Log.d("MyWCC", "W progress: $newProgress")
-        mh?.obtainMessage(MainHandler.UPDATE_LOAD_PROGRESS, newProgress, 0)?.sendToTarget()
+        wm?.get()?.updateLoadProgress(newProgress)
    }

    override fun onJsAlert(
--- a/app/src/main/java/top/fumiama/copymangaweb/web/WebViewClient.kt
+++ b/app/src/main/java/top/fumiama/copymangaweb/web/WebViewClient.kt
@@ -8,6 +8,11 @@ import android.webkit.WebResourceResponse
 import android.webkit.WebView
 import android.webkit.WebViewClient
 import android.widget.Toast
+import androidx.lifecycle.lifecycleScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import top.fumiama.copymangaweb.R
 import top.fumiama.copymangaweb.activity.MainActivity.Companion.wm

@@ -25,20 +30,18 @@ class WebViewClient(private val context: Context, jsFileName: String):WebViewCli
    }

    override fun onPageFinished(view: WebView?, url: String?) {
-        Thread {
-            Thread.sleep(500)
-            wm?.get()?.runOnUiThread {
-                view?.loadUrl(js)
-                Log.d("MyWC", "Inject JS into: $url")
-                super.onPageFinished(view, url)
+        wm?.get()?.lifecycleScope?.launch {
+            withContext(Dispatchers.IO) {
+                delay(500)
+                withContext(Dispatchers.Main) {
+                    view?.loadUrl(js)
+                    Log.d("MyWC", "Inject JS into: $url")
+                    super.onPageFinished(view, url)
+                }
            }
-        }.start()
+        }
    }

-    /*override fun onReceivedSslError(view: WebView?, handler: SslErrorHandler?, error: SslError?) {
-        handler?.proceed() // ignore ssl errors
-    }*/
-
    override fun shouldInterceptRequest(
        view: WebView?,
        request: WebResourceRequest?
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,44 +1,54 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<layout 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"
-    android:layout_height="match_parent">
-
-    <top.fumiama.copymangaweb.view.JSWebView
-        android:id="@+id/wh"
+    xmlns:tools="http://schemas.android.com/tools">
+    <data>
+        <variable
+            name="mainViewModel"
+            type="top.fumiama.copymangaweb.activity.viewmodel.MainViewModel" />
+    </data>
+    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="match_parent">

-    <top.fumiama.copymangaweb.view.JSWebView
-        android:id="@+id/w"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        <top.fumiama.copymangaweb.view.JSWebView
+            android:id="@+id/wh"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />

-    <ProgressBar
-        android:id="@+id/pw"
-        style="?android:attr/progressBarStyleHorizontal"
-        android:layout_width="0dp"
-        android:layout_height="2dp"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        <top.fumiama.copymangaweb.view.JSWebView
+            android:id="@+id/w"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />

-    <Button
-        android:id="@+id/fab"
-        android:layout_width="64dp"
-        android:layout_height="64dp"
-        android:layout_marginEnd="24dp"
-        android:alpha="0.8"
-        android:background="@drawable/rndbg_round"
-        android:foreground="@drawable/ic_dl"
-        android:foregroundGravity="center"
-        android:onClick="onFabClicked"
-        android:visibility="gone"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="@+id/w"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.275"
-        tools:visibility="visible" />
+        <ProgressBar
+            android:id="@+id/pw"
+            style="?android:attr/progressBarStyleHorizontal"
+            android:layout_width="0dp"
+            android:layout_height="2dp"
+            android:visibility="@{mainViewModel.progressVisibility}"
+            app:animateProgress="@{mainViewModel.progress}"
+            app:animationDuration="@{mainViewModel.progressDuration}"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />

-</androidx.constraintlayout.widget.ConstraintLayout>
+        <Button
+            android:id="@+id/fab"
+            android:layout_width="64dp"
+            android:layout_height="64dp"
+            android:layout_marginEnd="24dp"
+            android:alpha="0.8"
+            android:background="@drawable/rndbg_round"
+            android:foreground="@drawable/ic_dl"
+            android:foregroundGravity="center"
+            android:onClick="onFabClicked"
+            android:visibility="@{mainViewModel.fabVisibility}"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="@+id/w"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.275"
+            tools:visibility="visible" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>