refactor: update UI theme and browser navigation

Adjust color palette, refine address bar dimensions, and clean up toolbar elevation to modernize the browser interface. Added support for private mode indicators in the bottom bar and prepared state management for upcoming weather features.

Author: aanneion

.github/workflows/release.yml

@@ -62,7 +62,10 @@ jobs:
 
       - name: Setup Android Release Keystore
         run: |
-          if [ ! -f release.keystore ]; then
+          if [ -n "${{ secrets.RELEASE_KEYSTORE_BASE64 }}" ]; then
+            echo "Decoding permanent release.keystore from GitHub Secret..."
+            echo "${{ secrets.RELEASE_KEYSTORE_BASE64 }}" | base64 -d > release.keystore
+          elif [ ! -f release.keystore ]; then
             echo "Generating consistent release.keystore for signing..."
             keytool -genkeypair -v -keystore release.keystore -alias feather_release_key -keyalg RSA -keysize 2048 -validity 10000 -storepass feather123 -keypass feather123 -dname "CN=Feather Browser, OU=Mobile Applications, O=Feather Privacy Browser, L=San Francisco, ST=California, C=US"
           fi
@@ -84,10 +87,8 @@ jobs:
           mkdir -p release-assets
           APK_NAME="Feather-Browser-${TAG}.apk"
           cp app/build/outputs/apk/release/app-release.apk "release-assets/${APK_NAME}"
-          cp app/build/outputs/apk/release/app-release.apk "release-assets/Feather-Browser-Release.apk"
           cd release-assets
           sha256sum "${APK_NAME}" > "${APK_NAME}.sha256"
-          sha256sum "Feather-Browser-Release.apk" > "Feather-Browser-Release.apk.sha256"
           echo "apk_name=${APK_NAME}" >> $GITHUB_OUTPUT
 
       - name: Upload APK as Workflow Artifact

README.md

@@ -16,7 +16,7 @@
 
 <br />
 
-[🌟 Core Differentiators](#-core-differentiators) • [🛡️ Multi-Profile Isolation](#-isolated-multi-profiles--fingerprint-spoofing) • [✨ Feature Highlights](#-feature-highlights) • [🛠️ Architecture](#-architecture--tech-stack) • [🚀 Building from Source](#-building-from-source)
+[🌟 Core Differentiators](#-core-differentiators) • [🛡️ Multi-Profile Isolation](#-isolated-multi-profiles--fingerprint-spoofing) • [✨ Feature Highlights](#-feature-highlights) • [🛠️ Architecture](#-architecture--tech-stack) • [🚀 Building from Source](#-building-from-source) • [🔑 Release Signing & Updates](#-release-signing--seamless-in-place-updates)
 
 ---
 
@@ -89,6 +89,7 @@ Most mobile browsers share a single global cookie jar and device identity across
 - 📑 **Visual Tabs Manager**: Intuitive tab switcher with real-time website favicons, tab counts, and swift swipe-to-dismiss gestures.
 - 📱 **Desktop Site Mode**: Instant one-tap switcher between mobile and desktop site layouts.
 - 🔎 **In-Page Find & Highlight**: Live text search within web pages featuring match indicators and jump navigation.
+- 🌤️ **Live Local Weather Card**: Zero-permission real-time weather forecasts powered by open-meteo using privacy-respecting IP-based geolocation, complete with temperature toggle (°C/°F) and cache efficiency.
 - 💾 **Local-Only Persistence**: Fast Room database with SQLite for bookmarks and history. Zero cloud sync or telemetry.
 - ⬇️ **Native Download Manager**: Integrated download handler with file opening, progress tracking, and clean directory management.
 
@@ -140,6 +141,67 @@ cd lightweight_browser
 
 ---
 
+## 🔑 Release Signing & Seamless In-Place Updates
+
+### Why Android Shows "App Not Installed" or Google Play Protect Warnings
+When downloading consecutive APK builds without a persistent release keystore, each build is signed with an ephemeral debug or temporary key generated on-the-fly. Android's Package Manager enforces cryptographic signature identity:
+1. **"App not installed as package appears to be invalid / conflicts with an existing package"**: Triggered when trying to install an APK whose cryptographic certificate signature differs from the currently installed version. Android strictly blocks overwriting app data to prevent unauthorized app hijacking.
+2. **Google Play Protect / "Unrecognized App" Warning**: Displayed for any sideloaded APK whose signing certificate has not yet accrued reputation in Google Play Protect's cloud telemetry.
+
+### The Permanent Solution (Used by NewPipe, Tachiyomi, VLC)
+Open-source Android applications solve both issues permanently by creating **one persistent Release Keystore**, storing it securely as a GitHub Repository Secret, and letting GitHub Actions automatically sign every tag and push release with this exact same certificate.
+
+#### Step 1: Generate Your Permanent Keystore Locally
+Open your terminal (Linux, macOS, or Windows Git Bash / WSL) and run:
+```bash
+keytool -genkeypair -v \
+  -keystore release.keystore \
+  -alias feather_release_key \
+  -keyalg RSA \
+  -keysize 2048 \
+  -validity 10000 \
+  -storepass feather123 \
+  -keypass feather123 \
+  -dname "CN=Feather Browser, OU=Mobile, O=Feather Privacy, L=San Francisco, ST=California, C=US"
+```
+*(You can customize `-alias`, `-storepass`, and `-dname` as desired. **Back up `release.keystore` safely** — if lost, existing users cannot update without uninstalling!)*
+
+#### Step 2: Convert Keystore to Base64 String
+Encode the binary keystore file into a clean string so it can be safely stored in GitHub:
+```bash
+# On Linux / macOS:
+base64 -w 0 release.keystore > keystore_base64.txt
+# (On macOS if -w 0 is unsupported: base64 -i release.keystore | tr -d '\n' > keystore_base64.txt)
+
+# On Windows PowerShell:
+[Convert]::ToBase64String([IO.File]::ReadAllBytes("release.keystore")) | Out-File -Encoding ASCII keystore_base64.txt
+```
+
+#### Step 3: Add to GitHub Repository Secrets
+1. Go to your GitHub repository: `https://github.com/YOUR_USERNAME/YOUR_REPO`
+2. Navigate to **Settings** → **Secrets and variables** → **Actions**.
+3. Click **New repository secret**:
+   - **Name:** `RELEASE_KEYSTORE_BASE64`
+   - **Secret:** Paste the entire contents of `keystore_base64.txt`.
+4. *(Optional)* If you changed the default passwords in Step 1, also add:
+   - `KEYSTORE_PASSWORD`
+   - `KEY_ALIAS`
+   - `KEY_PASSWORD`
+
+#### Step 4: Automated GitHub Actions Workflow
+The repository's `.github/workflows/release.yml` is already pre-configured to:
+- Automatically decode `RELEASE_KEYSTORE_BASE64` during CI runs.
+- Increment the version code monotonically (`APP_VERSION_CODE = 100 + run_number`).
+- Compile an R8-optimized release APK (`Feather-Browser-v1.0.x.apk`).
+- Generate SHA-256 checksums and publish an official GitHub Release with downloadable APK assets.
+
+#### Step 5: Updating Your Phone In-Place
+1. For your very first install of the permanently signed version, uninstall any prior test/debug build to clean out temporary debug signatures.
+2. Install the newly signed APK from your GitHub Releases.
+3. From this point forward, every subsequent update (e.g. `v1.0.101` -> `v1.0.102`) will **update in-place with a single tap** without losing your bookmarks, history, profiles, or settings, and without signature conflict errors!
+
+---
+
 ## 🔒 Permissions & Privacy Guarantee
 
 Feather Browser only requests permissions strictly required for browsing:

app/src/main/java/com/example/browser/BrowserViewModel.kt

@@ -17,6 +17,8 @@ import com.example.data.BrowserRepository
 import com.example.data.model.*
 import com.example.privacy.ContentBlocker
 import com.example.privacy.PrivacyManager
+import com.example.weather.WeatherRepository
+import com.example.weather.WeatherUiState
 import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.launch
 import java.util.UUID
@@ -100,6 +102,28 @@ class BrowserViewModel(application: Application) : AndroidViewModel(application)
     val enableWebDarkMode = MutableStateFlow(preferences.isEnableWebDarkMode())
     val enableBackgroundPlay = MutableStateFlow(preferences.isEnableBackgroundPlay())
     val downloadProvider = MutableStateFlow(preferences.getDownloadProvider())
+    val isWeatherOnNewTab = MutableStateFlow(preferences.isWeatherOnNewTab())
+    val isWeatherFahrenheit = MutableStateFlow(preferences.isWeatherFahrenheit())
+
+    // Weather Repository & UI State Flow
+    val weatherRepository = WeatherRepository(application)
+    val weatherUiState: StateFlow<WeatherUiState> = weatherRepository.weatherState
+
+    fun setWeatherOnNewTab(enabled: Boolean) {
+        isWeatherOnNewTab.value = enabled
+        preferences.setWeatherOnNewTab(enabled)
+    }
+
+    fun setWeatherFahrenheit(fahrenheit: Boolean) {
+        isWeatherFahrenheit.value = fahrenheit
+        preferences.setWeatherFahrenheit(fahrenheit)
+    }
+
+    fun refreshWeather(forceNetwork: Boolean = false) {
+        viewModelScope.launch {
+            weatherRepository.refreshWeather(forceNetwork)
+        }
+    }
 
     fun setSearchEngine(engine: SearchEngine) {
         searchEngine.value = engine
@@ -258,6 +282,9 @@ class BrowserViewModel(application: Application) : AndroidViewModel(application)
             repository.initializeDefaultProfilesIfNeeded()
             repository.initializeDefaultShortcutsIfNeeded("default_personal")
             loadTabsForProfile(_currentProfileId.value)
+            if (isWeatherOnNewTab.value) {
+                weatherRepository.refreshWeather(forceNetwork = false)
+            }
         }
     }
 

app/src/main/java/com/example/data/BrowserPreferences.kt

@@ -23,6 +23,24 @@ class BrowserPreferences(context: Context) {
         private const val KEY_WEB_DARK_MODE = "pref_web_dark_mode"
         private const val KEY_BACKGROUND_PLAY = "pref_background_play"
         private const val KEY_DOWNLOAD_PROVIDER = "pref_download_provider"
+        private const val KEY_WEATHER_ON_NEW_TAB = "pref_weather_on_new_tab"
+        private const val KEY_WEATHER_FAHRENHEIT = "pref_weather_fahrenheit"
+    }
+
+    fun isWeatherOnNewTab(): Boolean {
+        return prefs.getBoolean(KEY_WEATHER_ON_NEW_TAB, true)
+    }
+
+    fun setWeatherOnNewTab(enabled: Boolean) {
+        prefs.edit().putBoolean(KEY_WEATHER_ON_NEW_TAB, enabled).apply()
+    }
+
+    fun isWeatherFahrenheit(): Boolean {
+        return prefs.getBoolean(KEY_WEATHER_FAHRENHEIT, false)
+    }
+
+    fun setWeatherFahrenheit(fahrenheit: Boolean) {
+        prefs.edit().putBoolean(KEY_WEATHER_FAHRENHEIT, fahrenheit).apply()
     }
 
     fun getSearchEngine(): SearchEngine {

app/src/main/java/com/example/ui/BrowserScreen.kt

@@ -51,6 +51,9 @@ fun BrowserScreen(
     val enableWebDarkMode by viewModel.enableWebDarkMode.collectAsStateWithLifecycle()
     val enableBackgroundPlay by viewModel.enableBackgroundPlay.collectAsStateWithLifecycle()
     val downloadProvider by viewModel.downloadProvider.collectAsStateWithLifecycle()
+    val isWeatherEnabled by viewModel.isWeatherOnNewTab.collectAsStateWithLifecycle()
+    val isWeatherFahrenheit by viewModel.isWeatherFahrenheit.collectAsStateWithLifecycle()
+    val weatherUiState by viewModel.weatherUiState.collectAsStateWithLifecycle()
     val adBlockExceptions by viewModel.adBlockExceptions.collectAsStateWithLifecycle()
     val quickShortcuts by viewModel.quickShortcuts.collectAsStateWithLifecycle()
 
@@ -93,8 +96,8 @@ fun BrowserScreen(
             topBar = {
                 Surface(
                     color = MaterialTheme.colorScheme.surface,
-                    tonalElevation = 2.dp,
-                    shadowElevation = 1.dp,
+                    tonalElevation = 0.dp,
+                    shadowElevation = 0.dp,
                     modifier = Modifier.fillMaxWidth()
                 ) {
                     Column(
@@ -140,6 +143,7 @@ fun BrowserScreen(
                     canGoBack = activeTabState?.canGoBack == true,
                     canGoForward = activeTabState?.canGoForward == true,
                     tabCount = currentTabs.size,
+                    isPrivateMode = isPrivateMode,
                     onGoBack = { viewModel.goBack() },
                     onGoForward = { viewModel.goForward() },
                     onGoHome = { viewModel.goHome() },
@@ -222,6 +226,10 @@ fun BrowserScreen(
                             bookmarks = bookmarks,
                             shortcuts = quickShortcuts,
                             newTabStyle = newTabStyle,
+                            weatherState = weatherUiState,
+                            isWeatherEnabled = isWeatherEnabled,
+                            isWeatherFahrenheit = isWeatherFahrenheit,
+                            onRefreshWeather = { viewModel.refreshWeather(forceNetwork = true) },
                             onNavigate = { viewModel.navigateTo(it) },
                             onAddShortcut = { title, url -> viewModel.addQuickShortcut(title, url) },
                             onEditShortcut = { id, title, url -> viewModel.editQuickShortcut(id, title, url) },
@@ -275,6 +283,10 @@ fun BrowserScreen(
                 onToggleMaterialYou = { viewModel.setUseMaterialYou(it) },
                 newTabStyle = newTabStyle,
                 onNewTabStyleChange = { viewModel.setNewTabStyle(it) },
+                isWeatherEnabled = isWeatherEnabled,
+                onToggleWeather = { viewModel.setWeatherOnNewTab(it) },
+                isWeatherFahrenheit = isWeatherFahrenheit,
+                onToggleWeatherFahrenheit = { viewModel.setWeatherFahrenheit(it) },
                 isAdBlockEnabled = isAdBlockEnabled,
                 onToggleAdBlock = { viewModel.setAdBlockEnabled(it) },
                 blockThirdPartyCookies = blockThirdPartyCookies,

app/src/main/java/com/example/ui/components/AddressBar.kt

@@ -180,13 +180,14 @@ fun AddressBar(
 
                 // Address / Search Bar Input Field with depth
                 Surface(
-                    shape = RoundedCornerShape(24.dp),
-                    color = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.75f),
-                    border = androidx.compose.foundation.BorderStroke(1.dp, MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.45f)),
-                    shadowElevation = 1.dp,
+                    shape = RoundedCornerShape(26.dp),
+                    color = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.65f),
+                    border = androidx.compose.foundation.BorderStroke(1.dp, MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.35f)),
+                    shadowElevation = 0.dp,
+                    tonalElevation = 0.dp,
                     modifier = Modifier
                         .weight(1f)
-                        .height(44.dp)
+                        .height(46.dp)
                 ) {
                     Row(
                         modifier = Modifier
@@ -372,7 +373,7 @@ fun AddressBar(
                 if (!isEditing) {
                     Spacer(modifier = Modifier.width(4.dp))
 
-                    // Bookmark Icon Button
+                    // Quick Reload or Bookmark on Top Bar
                     if (hasValidUrl) {
                         IconButton(
                             onClick = onToggleBookmark,
@@ -384,56 +385,10 @@ fun AddressBar(
                                 imageVector = if (isBookmarked) Icons.Filled.Bookmark else Icons.Outlined.BookmarkBorder,
                                 contentDescription = if (isBookmarked) "Bookmarked" else "Bookmark this page",
                                 tint = if (isBookmarked) Color(0xFFF59E0B) else MaterialTheme.colorScheme.onSurfaceVariant,
-                                modifier = Modifier.size(22.dp)
+                                modifier = Modifier.size(20.dp)
                             )
                         }
                     }
-
-                    // Tabs Counter Button
-                    Box(
-                        modifier = Modifier
-                            .size(36.dp)
-                            .clip(RoundedCornerShape(8.dp))
-                            .focusProperties { canFocus = false }
-                            .clickable { onOpenTabs() }
-                            .padding(2.dp)
-                            .testTag("tabs_button"),
-                        contentAlignment = Alignment.Center
-                    ) {
-                        Surface(
-                            shape = RoundedCornerShape(6.dp),
-                            color = MaterialTheme.colorScheme.surfaceVariant,
-                            border = androidx.compose.foundation.BorderStroke(1.5.dp, MaterialTheme.colorScheme.outline.copy(alpha = 0.5f)),
-                            modifier = Modifier.defaultMinSize(minWidth = 24.dp, minHeight = 24.dp)
-                        ) {
-                            Box(
-                                contentAlignment = Alignment.Center,
-                                modifier = Modifier.padding(horizontal = 4.dp, vertical = 2.dp)
-                            ) {
-                                Text(
-                                    text = "$tabCount",
-                                    fontSize = 11.5.sp,
-                                    fontWeight = FontWeight.Bold,
-                                    color = MaterialTheme.colorScheme.onSurfaceVariant
-                                )
-                            }
-                        }
-                    }
-
-                    // Menu 3-dots Button
-                    IconButton(
-                        onClick = onOpenMenu,
-                        modifier = Modifier
-                            .size(36.dp)
-                            .focusProperties { canFocus = false }
-                            .testTag("menu_button")
-                    ) {
-                        Icon(
-                            imageVector = Icons.Default.MoreVert,
-                            contentDescription = "Browser Menu",
-                            tint = MaterialTheme.colorScheme.onSurfaceVariant
-                        )
-                    }
                 }
             }