0.2.3-t8

.gitea/workflows/build-apk.yml

@@ -0,0 +1,128 @@
+name: Build APK
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: cimg/android:2024.01
+
+    steps:
+      - name: Install Node.js
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y curl
+          curl -fsSL https://deb.nodesource.com/setup_20.x | sudo -E bash -
+          sudo apt-get install -y nodejs
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Generate Gradle Wrapper
+        run: gradle wrapper
+
+      - name: Grant execute permission
+        run: chmod +x ./gradlew
+
+      - name: Build APK
+        run: ./gradlew assembleRelease
+
+      - name: Locate APK
+        id: locate_apk
+        run: |
+          set -e
+          APK_PATH=$(ls app/build/outputs/apk/release/*.apk | head -n1 || true)
+          if [ -z "$APK_PATH" ]; then
+            echo "No APK found in app/build/outputs/apk/release" >&2
+            exit 1
+          fi
+          echo "APK_PATH=$APK_PATH" >> $GITHUB_ENV
+          echo "Found $APK_PATH"
+
+  # Note: uploading artifacts with actions/upload-artifact@v4 is not supported
+  # on some self-hosted/enterprise runners (GHES). We skip storing artifacts
+  # via that action and instead upload the APK directly to the Gitea release
+  # in the steps below.
+
+      - name: Create Gitea release
+        id: create_release
+        env:
+          GITEA_TOKEN: ${{ secrets.GIT_TOKEN }}
+          GITEA_SERVER: ${{ secrets.GIT_SERVER }}
+        run: |
+          set -e
+
+          API_BASE="${GITEA_SERVER}/api/v1"
+
+          # Gitea Actions są kompatybilne z GITHUB_ envs
+          OWNER="${{ github.repository_owner }}"
+          REPO_NAME=$(echo "${{ github.repository }}" | cut -d/ -f2)
+          TAG="${{ github.ref_name }}"
+
+          echo "URL: $API_BASE/repos/$OWNER/$REPO_NAME/releases"
+          echo "OWNER=$OWNER"
+          echo "REPO_NAME=$REPO_NAME"
+          echo "TAG=$TAG"
+
+          if [ -z "$TAG" ]; then
+            echo "Error: TAG (ref_name) is empty. Ensure you pushed a tag."
+            exit 1
+          fi
+
+          CREATE_RESPONSE=$(curl -s \
+            -H "Content-Type: application/json" \
+            -H "Authorization: token $GITEA_TOKEN" \
+            -X POST \
+            -d "{
+              \"tag_name\": \"$TAG\",
+              \"name\": \"$TAG\",
+              \"body\": \"Automated release for $TAG\",
+              \"draft\": false,
+              \"prerelease\": false
+            }" \
+            "$API_BASE/repos/$OWNER/$REPO_NAME/releases")
+
+          echo "$CREATE_RESPONSE"
+
+          RELEASE_ID=$(echo "$CREATE_RESPONSE" \
+            | grep -o '"id":[0-9]*' \
+            | head -n1 \
+            | cut -d: -f2)
+
+          if [ -z "$RELEASE_ID" ]; then
+            echo "Failed to create release"
+            exit 1
+          fi
+
+          echo "RELEASE_ID=$RELEASE_ID" >> $GITEA_ENV
+      - name: Upload APK to Gitea release
+        env:
+          GITEA_TOKEN: ${{ secrets.GIT_TOKEN }}
+          GITEA_SERVER: ${{ secrets.GIT_SERVER }}
+        run: |
+          set -e
+          API_BASE=${GITEA_SERVER:+$GITEA_SERVER/api/v1}
+          API_BASE=${API_BASE:-https://gitea.com/api/v1}
+          REMOTE_URL=$(git config --get remote.origin.url || true)
+          REPO_FULL=$(echo "$REMOTE_URL" | sed -E 's#.*[:/](.+/.+)\.git$#\1#')
+          OWNER=$(echo "$REPO_FULL" | cut -d/ -f1)
+          REPO_NAME=$(echo "$REPO_FULL" | cut -d/ -f2)
+          APK_PATH=${APK_PATH:-$APK_PATH}
+          if [ -z "$APK_PATH" ]; then
+            echo "APK_PATH not set" >&2
+            exit 1
+          fi
+          RELEASE_ID=${RELEASE_ID}
+          if [ -z "$RELEASE_ID" ]; then
+            echo "RELEASE_ID not set" >&2
+            exit 1
+          fi
+
+          UPLOAD_URL="$API_BASE/repos/$OWNER/$REPO_NAME/releases/$RELEASE_ID/assets?name=$(basename $APK_PATH)"
+          echo "Uploading $APK_PATH to $UPLOAD_URL"
+
+          curl --fail -H "Authorization: token $GITEA_TOKEN" -H "Content-Type: application/octet-stream" \
+            --data-binary @"$APK_PATH" "$UPLOAD_URL"

.gitea/workflows/deploy.yml

@@ -25,6 +25,6 @@ jobs:
           server: ${{ secrets.FTP_HOST }}
           username: ${{ secrets.FTP_USER }}
           password: ${{ secrets.FTP_PASS }}
-          local-dir: ./
+          local-dir: app/src/main/assets/
           server-dir: /
 

.gitignore

@@ -1,3 +1,38 @@
 .DS_Store
 ./QuizzyTemplate
-./QuizzyTemplate/*
+/.QuizzyTemplate
+
+# Android/Gradle
+/.gradle/
+/build/
+/app/build/
+/**/build/
+
+# Gradle wrapper
+/gradle/wrapper/gradle-wrapper.jar
+
+# Local configuration
+/local.properties
+
+# Keystore
+*.jks
+
+# Generated APKs/outputs
+**/outputs/
+**/apk/**
+*.apk
+*.ap_
+
+# IntelliJ / Android Studio
+.idea/
+*.iml
+
+# macOS
+.DS_Store
+
+# NPM / Node
+node_modules/
+
+# Misc
+*.log
+

.gradle/buildOutputCleanup/cache.properties

@@ -0,0 +1,2 @@
+#Wed May 27 00:12:10 CEST 2026
+gradle.version=8.5

.idea/workspace.xml

@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AutoImportSettings">
+    <option name="autoReloadType" value="NONE" />
+  </component>
+  <component name="ChangeListManager">
+    <list default="true" id="51538617-7e5b-4e71-9f47-7bda274cf4cc" name="Changes" comment="" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="ClangdSettings">
+    <option name="formatViaClangd" value="false" />
+  </component>
+  <component name="ExternalProjectsManager">
+    <system id="GRADLE">
+      <state>
+        <projects_view>
+          <tree_state>
+            <expand />
+            <select />
+          </tree_state>
+        </projects_view>
+      </state>
+    </system>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="ProjectColorInfo">{
+  &quot;associatedIndex&quot;: 2,
+  &quot;fromUser&quot;: false
+}</component>
+  <component name="ProjectId" id="3EHNE822z12n2x6rUf57MsHEkbE" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "ModuleVcsDetector.initialDetectionPerformed": "true",
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "RunOnceActivity.cidr.known.project.marker": "true",
+    "RunOnceActivity.git.unshallow": "true",
+    "RunOnceActivity.readMode.enableVisualFormatting": "true",
+    "android.gradle.sync.needed": "true",
+    "cf.first.check.clang-format": "false",
+    "cidr.known.project.marker": "true",
+    "git-widget-placeholder": "master",
+    "kotlin-language-version-configured": "true",
+    "last_opened_file_path": "/Users/aln/Work/Matma"
+  }
+}]]></component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="51538617-7e5b-4e71-9f47-7bda274cf4cc" name="Changes" comment="" />
+      <created>1779831422173</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1779831422173</updated>
+    </task>
+    <servers />
+  </component>
+</project>

MainActivity.kt

@@ -0,0 +1,38 @@
+package com.example.app
+
+import android.os.Bundle
+import android.webkit.WebResourceRequest
+import android.webkit.WebResourceResponse
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.appcompat.app.AppCompatActivity
+import androidx.webkit.WebViewAssetLoader
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        val webView = WebView(this)
+
+        webView.settings.javaScriptEnabled = true
+        webView.settings.domStorageEnabled = true
+
+        // Use WebViewAssetLoader to serve files from /assets/ over a secure origin.
+        val assetLoader = WebViewAssetLoader.Builder()
+            .addPathHandler("/assets/", WebViewAssetLoader.AssetsPathHandler(this))
+            .build()
+
+        webView.webViewClient = object : WebViewClient() {
+            override fun shouldInterceptRequest(view: WebView?, request: WebResourceRequest?): WebResourceResponse? {
+                if (request == null) return null
+                return assetLoader.shouldInterceptRequest(request.url)
+            }
+        }
+
+        // Load the app via the mapped secure origin so fetch() requests are allowed
+        webView.loadUrl("https://appassets.androidplatform.net/assets/index.html")
+
+        setContentView(webView)
+    }
+}

Matma.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$" isTestSource="false" packagePrefix="com.example.app" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

README.md

@@ -13,3 +13,33 @@ Pliki
 Jak uruchomić
 
 Otwórz plik `index.html` w przeglądarce (najlepiej na urządzeniu mobilnym lub w trybie responsywnym).
+
+Signing a release APK/AAB
+------------------------
+
+Aby uniknąć ostrzeżeń "nieznany deweloper" lub instalatora na Androidzie, zbuduj podpisany pakiet APK lub AAB i zainstaluj go zamiast debugowego APK.
+
+1. Utwórz magazyn kluczy (jeśli go nie masz):
+
+```bash
+keytool -genkey -v -keystore my-release-key.jks -keyalg RSA -keysize 2048 -validity 10000 -alias my_key_alias
+```
+
+2. Skopiuj `gradle.properties.example` do swojego osobistego pliku `~/.gradle/gradle.properties` i uzupełnij wartości (nie commituj prawdziwych haseł do kontroli wersji).
+
+3. Zbuduj podpisany pakiet APK lub AAB:
+
+```bash
+./gradlew assembleRelease   # podpisany APK (jeśli podpisywanie jest skonfigurowane)
+./gradlew bundleRelease     # AAB do Sklepu Play
+```
+
+4. Zainstaluj APK za pomocą adb:
+
+```bash
+adb install -r app/build/outputs/apk/release/app-release.apk
+```
+
+Lub przesłać AAB do Google Play (testowanie wewnętrzne) — zalecane w celu najłatwiejszej dystrybucji.
+
+Jeśli chcesz tylko przetestować lokalnie i zobaczyć ostrzeżenie "Nieznane źródła", możesz tymczasowo włączyć instalowanie z nieznanych źródeł na urządzeniu, ale dystrybucja podpisanego wydania jest bezpieczniejszym podejściem.

app/build.gradle

@@ -0,0 +1,68 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+
+android {
+    namespace 'com.example.app'
+    compileSdk 34
+
+    defaultConfig {
+        applicationId "com.example.app"
+        minSdk 21
+    targetSdk 34
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    // Signing configuration for release builds.
+    // Configure the following properties in either your
+    // - ~/.gradle/gradle.properties (recommended for secrets), or
+    // - <project root>/gradle.properties (do NOT commit passwords)
+    //
+    // Example properties:
+    // MYAPP_STORE_FILE=keystores/my-release-key.jks
+    // MYAPP_STORE_PASSWORD=your_store_password
+    // MYAPP_KEY_ALIAS=my_key_alias
+    // MYAPP_KEY_PASSWORD=your_key_password
+    signingConfigs {
+        release {
+            // Only configure signing when the properties are provided.
+            if (project.hasProperty('MYAPP_STORE_FILE')) {
+                storeFile file(MYAPP_STORE_FILE)
+                storePassword MYAPP_STORE_PASSWORD
+                keyAlias MYAPP_KEY_ALIAS
+                keyPassword MYAPP_KEY_PASSWORD
+            }
+        }
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            // Apply signing config if available. This keeps debug and CI builds
+            // working even when signing properties are absent locally.
+            if (project.hasProperty('MYAPP_STORE_FILE')) {
+                signingConfig signingConfigs.release
+            }
+            // Ensure release builds are not debuggable.
+            debuggable false
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
+    }
+
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+}
+
+dependencies {
+    implementation 'androidx.core:core-ktx:1.9.0'
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:1.9.22"
+    implementation 'androidx.webkit:webkit:1.8.0'
+}

app/build/intermediates/annotation_processor_list/debug/annotationProcessors.json

@@ -0,0 +1 @@
+{}

app/build/intermediates/apk_ide_redirect_file/debug/redirect.txt

@@ -0,0 +1,2 @@
+#- File Locator -
+listingFile=../../../outputs/apk/debug/output-metadata.json

app/build/intermediates/app_metadata/debug/app-metadata.properties

@@ -0,0 +1,2 @@
+appMetadataVersion=1.1
+androidGradlePluginVersion=8.2.2

app/build/intermediates/assets/debug/js/app.js

@@ -55,19 +55,19 @@ const statusEl = document.getElementById('status');
 // load settings from localStorage
 function loadSettings(){
   try{
-    const raw = localStorage.getItem('matma:settings')
+    const raw = (typeof localStorage !== 'undefined') ? localStorage.getItem('matma:settings') : null
     if (raw) {
       const s = JSON.parse(raw)
       state.settings = Object.assign(state.settings, s)
     }
   }catch(e){ console.warn('settings load failed', e) }
-  // reflect to inputs
+  // reflect to inputs (guard in case some inputs are missing)
-  settingTimed.value = state.settings.timedSeconds
+  if (settingTimed) settingTimed.value = state.settings.timedSeconds
-  settingMaxResult.value = state.settings.maxResult
+  if (settingMaxResult) settingMaxResult.value = state.settings.maxResult
-  settingMaxOperand.value = state.settings.maxOperand
+  if (settingMaxOperand) settingMaxOperand.value = state.settings.maxOperand
-  settingSessionProblems.value = state.settings.sessionProblems
+  if (settingSessionProblems) settingSessionProblems.value = state.settings.sessionProblems
-  settingAllowNegative.checked = !!state.settings.allowNegative
+  if (settingAllowNegative) settingAllowNegative.checked = !!state.settings.allowNegative
-  settingAllowFraction.checked = !!state.settings.allowFraction
+  if (settingAllowFraction) settingAllowFraction.checked = !!state.settings.allowFraction
 }
 
 function saveSettings(){
@@ -145,16 +145,16 @@ function startPlay(){
   renderProblem()
 
   if (state.mode === 'timed'){
-    progressInner.style.width = '0%'
+  if (progressInner) progressInner.style.width = '0%'
   startTimer(state.settings.timedSeconds)
-    statusEl.textContent = 'Na czas';
+  if (statusEl) statusEl.textContent = 'Na czas';
-    timerEl.classList.remove('hidden');
+  if (timerEl) timerEl.classList.remove('hidden');
   } else {
-    progressInner.style.width = '0%'
+  if (progressInner) progressInner.style.width = '0%'
   state.sessionSolved = 0
   state.sessionTarget = Math.max(1, state.settings.sessionProblems)
   updateProgress()
-    timerEl.classList.add('hidden');
+  if (timerEl) timerEl.classList.add('hidden');
   }
 }
 
@@ -311,14 +311,14 @@ backspaceBtn.addEventListener('click', ()=>{
 
 function startTimer(seconds){
   state.timeLeft = seconds
-  timerEl.textContent = state.timeLeft
+  if (timerEl) timerEl.textContent = state.timeLeft
 
   stopTimer();
   state.timerId = setInterval(()=>{
     state.timeLeft -= 1
-    timerEl.textContent = state.timeLeft
+    if (timerEl) timerEl.textContent = state.timeLeft
     const pct = Math.max(0, (state.timeLeft / seconds) * 100)
-    progressInner.style.width = pct + '%'
+    if (progressInner) progressInner.style.width = pct + '%'
     if (state.timeLeft <= 0) {
       stopTimer()
       endSession()
@@ -358,8 +358,8 @@ summaryBack.addEventListener('click', ()=>{
 function updateProgress(){
   if (state.mode === 'training'){
   const pct = Math.min(100, Math.round((state.sessionSolved/state.sessionTarget)*100))
-    progressInner.style.width = pct + '%'
+  if (progressInner) progressInner.style.width = pct + '%'
-    statusEl.textContent = `${state.sessionSolved}/${state.sessionTarget}`
+  if (statusEl) statusEl.textContent = `${state.sessionSolved}/${state.sessionTarget}`
   }
 }
 

app/build/intermediates/assets/debug/js/components.js

@@ -0,0 +1,27 @@
+// Komponenty HTML loader
+function loadComponent(path, replaceMap = {}) {
+  // If path is a full mapped origin used by WebViewAssetLoader, strip it to a relative path.
+  const mappedOrigin = 'https://appassets.androidplatform.net/assets/';
+  if (path.startsWith(mappedOrigin)) {
+    path = path.slice(mappedOrigin.length);
+  }
+
+  // If an absolute path starting with '/' is provided, remove leading slash to make it
+  // relative to the current document (works under local http server and WebViewAssetLoader).
+  if (path.startsWith('/')) path = path.slice(1);
+
+  return fetch(path)
+    .then(r => {
+      if (!r.ok) throw new Error('Failed to load component: ' + path);
+      return r.text();
+    })
+    .then(html => {
+      Object.entries(replaceMap).forEach(([key, val]) => {
+        html = html.replaceAll(key, val);
+      });
+      return html;
+    });
+}
+
+// Przykład użycia:
+// loadComponent('components/header.html', {'{TITLE}': 'Tytuł', '{SUBTITLE}': 'Podtytuł'}).then(html => ...)

app/build/intermediates/assets/debug/js/czytanie.js

@@ -21,7 +21,7 @@
   const readViewport  = document.getElementById('read-viewport')
   const readTextEl    = document.getElementById('read-text')
   const nextLineBtn   = document.getElementById('next-line-btn')
-  const progressBar   = document.getElementById('read-progress-bar-inner')
+  let progressBar = null
 
   // ── Load text list from dyktanda.json ────────────────────────────────────
   fetch('json/dyktanda.json')
@@ -52,11 +52,16 @@
     clearInterval(autoTimer)
     autoTimer = null
 
-    readTitleEl.textContent     = title
+    if (!readTitleEl || !readTextEl || !speedBtn || !readWrap || !listWrap) {
-    readTextEl.textContent      = text
+      console.warn('czytanie: missing DOM elements', { readTitleEl, readTextEl, speedBtn, readWrap, listWrap })
-    readTextEl.style.transform  = 'translateY(0)'
+    }
-    speedBtn.textContent        = SPEED_LABELS[0]
+
-    progressBar.style.width     = '0%'
+    if (readTitleEl) readTitleEl.textContent = title
+    if (readTextEl) readTextEl.textContent = text
+    if (readTextEl) readTextEl.style.transform = 'translateY(0)'
+    if (speedBtn) speedBtn.textContent = SPEED_LABELS[0]
+    if (!progressBar) progressBar = document.getElementById('read-progress-bar-inner')
+    if (progressBar) progressBar.style.width = '0%'
 
     listWrap.classList.add('hidden')
     readWrap.classList.remove('hidden')
@@ -78,9 +83,8 @@
   }
 
   // ── Back to list ──────────────────────────────────────────────────────────
+  // Zakończ button: natychmiast wróć do listy bez potwierdzenia
   readBackBtn.addEventListener('click', () => {
-    const active = yOffset > 0 || autoTimer !== null
-    if (active && !confirm('Wrócić do listy tekstów?')) return
     clearInterval(autoTimer)
     autoTimer = null
     readWrap.classList.add('hidden')
@@ -132,6 +136,7 @@
 
   function updateProgressBar() {
     const progress = maxOffset > 0 ? (yOffset / maxOffset) * 100 : 100
-    progressBar.style.width = `${progress}%`
+    if (!progressBar) progressBar = document.getElementById('read-progress-bar-inner')
+    if (progressBar) progressBar.style.width = `${progress}%`
   }
 })()

app/build/intermediates/assets/debug/js/dyktando.js

@@ -35,7 +35,7 @@
   const summaryScore   = document.getElementById('summary-score')
   const summaryBackBtn = document.getElementById('summary-back-btn')
   const dykScroll      = document.getElementById('dyk-scroll')
-  const progressBar    = document.getElementById('dyk-progress-bar-inner')
+  let progressBar = null
 
   // ── Load texts ────────────────────────────────────────────────────────────
   fetch('json/dyktanda.json')
@@ -53,6 +53,20 @@
       textList.innerHTML = '<p style="color:var(--muted)">Nie udało się wczytać tekstów.</p>'
     })
 
+    // Poczekaj na dynamiczne załadowanie progress bara
+    document.addEventListener('DOMContentLoaded', () => {
+      // progress bar jest ładowany przez loadComponent w dyktando.html
+      const checkProgressBar = () => {
+        const el = document.getElementById('dyk-progress-bar-inner')
+        if (el) {
+          progressBar = el
+        } else {
+          setTimeout(checkProgressBar, 50)
+        }
+      }
+      checkProgressBar()
+    })
+
   customStartBtn.addEventListener('click', () => {
     const txt = customInput.value.trim()
     if (!txt) return
@@ -98,7 +112,7 @@
     textDisplay.classList.remove('hidden')
     choicesEl.classList.remove('hidden')
     progressEl.textContent = ''
-    progressBar.style.width = '0%'
+    if (progressBar) progressBar.style.width = '0%'
 
     listWrap.classList.add('hidden')
     playWrap.classList.remove('hidden')
@@ -282,9 +296,8 @@
   }
 
   // ── Navigation ────────────────────────────────────────────────────────────
+  // Zakończ button: natychmiast wracamy do listy bez potwierdzenia
   playBackBtn.addEventListener('click', () => {
-    const inProgress = blanks.length > 0 && current < blanks.length
-    if (inProgress && !confirm('Przerwać dyktando i wrócić do listy?')) return
     goToList()
   })
 

app/build/intermediates/assets/debug/js/dzielenie.js

@@ -8,7 +8,7 @@
   const problemEl     = document.getElementById('problem')
   const answerEl      = document.getElementById('answer')
   const feedbackEl    = document.getElementById('feedback')
-  const progressInner = document.getElementById('progress-inner')
+  let progressInner = null
   const progressLabel = document.getElementById('progress-label')
   const summaryText   = document.getElementById('summary-text')
   const totalInput    = document.getElementById('total-input')
@@ -99,7 +99,10 @@
 
   function updateBar() {
     const pct = st.total > 0 ? Math.round((st.solved / st.total) * 100) : 0
-    progressInner.style.width = pct + '%'
+    if (!progressInner) {
+      progressInner = document.getElementById('progress-inner')
+    }
+    if (progressInner) progressInner.style.width = pct + '%'
     progressLabel.textContent = `${st.solved}/${st.total}`
   }
 
@@ -133,7 +136,8 @@
     let sha = (window.COMMIT_SHA || '').toString().trim()
     if (!sha) {
       try {
-        const res = await fetch('/version.sha', { cache: 'no-cache' })
+  // use relative path so the request works under WebViewAssetLoader or a local server
+  const res = await fetch('version.sha', { cache: 'no-cache' })
         if (res.ok) {
           const txt = await res.text()
           const first = txt.split(/\r?\n/).find(l => l.trim().length > 0)

app/build/intermediates/assets/debug/js/mnozenie.js

@@ -8,7 +8,7 @@
   const problemEl     = document.getElementById('problem')
   const answerEl      = document.getElementById('answer')
   const feedbackEl    = document.getElementById('feedback')
-  const progressInner = document.getElementById('progress-inner')
+  let progressInner = null
   const progressLabel = document.getElementById('progress-label')
   const scoreLabel    = document.getElementById('score-label') // This element is removed, but we might re-purpose the logic
   const summaryText   = document.getElementById('summary-text')
@@ -99,7 +99,8 @@
 
   function updateBar() {
     const pct = st.total > 0 ? Math.round((st.solved / st.total) * 100) : 0
-    progressInner.style.width = pct + '%'
+    if (!progressInner) progressInner = document.getElementById('progress-inner')
+    if (progressInner) progressInner.style.width = pct + '%'
     progressLabel.textContent = `${st.solved}/${st.total}`
     // scoreLabel is removed, so we comment this out
     // scoreLabel.textContent = `✔ ${st.score}`
@@ -135,7 +136,8 @@
     let sha = (window.COMMIT_SHA || '').toString().trim()
     if (!sha) {
       try {
-        const res = await fetch('/version.sha', { cache: 'no-cache' })
+  // use relative path so the request works under WebViewAssetLoader or a local server
+  const res = await fetch('version.sha', { cache: 'no-cache' })
         if (res.ok) {
           const txt = await res.text()
           const first = txt.split(/\r?\n/).find(l => l.trim().length > 0)

app/build/intermediates/assets/debug/js/nav.js

@@ -0,0 +1,13 @@
+// Back-to-hub button with active-task confirmation
+(function () {
+  document.addEventListener('DOMContentLoaded', () => {
+    const backBtn = document.getElementById('back-to-hub')
+    if (!backBtn) return
+
+    // Immediately navigate back to hub/menu without confirmation
+    backBtn.addEventListener('click', (e) => {
+      const href = backBtn.getAttribute('href')
+      if (href) window.location.href = href
+    })
+  })
+})()

app/build/intermediates/compatible_screen_manifest/debug/output-metadata.json

@@ -0,0 +1,10 @@
+{
+  "version": 3,
+  "artifactType": {
+    "type": "COMPATIBLE_SCREEN_MANIFEST",
+    "kind": "Directory"
+  },
+  "applicationId": "com.example.app",
+  "variantName": "debug",
+  "elements": []
+}