feat(settings): add about screen with open source licenses

app/build.gradle.kts

@@ -16,6 +16,8 @@
  */
 
 import com.geeksville.mesh.buildlogic.GitVersionValueSource
+import com.mikepenz.aboutlibraries.plugin.DuplicateMode
+import com.mikepenz.aboutlibraries.plugin.DuplicateRule
 import java.io.FileInputStream
 import java.util.Properties
 
@@ -31,6 +33,7 @@ plugins {
     alias(libs.plugins.secrets)
     alias(libs.plugins.dokka)
     alias(libs.plugins.kover)
+    alias(libs.plugins.aboutlibraries)
 }
 
 val keystorePropertiesFile = rootProject.file("keystore.properties")
@@ -278,3 +281,11 @@ dokka {
         maxHeapSize = "6g"
     }
 }
+
+aboutLibraries {
+    export { excludeFields = listOf("generated") }
+    library {
+        duplicationMode = DuplicateMode.MERGE
+        duplicationRule = DuplicateRule.SIMPLE
+    }
+}

app/src/main/java/com/geeksville/mesh/navigation/SettingsNavigation.kt

@@ -32,6 +32,7 @@ import org.meshtastic.core.navigation.Graph
 import org.meshtastic.core.navigation.NodesRoutes
 import org.meshtastic.core.navigation.Route
 import org.meshtastic.core.navigation.SettingsRoutes
+import org.meshtastic.feature.settings.AboutScreen
 import org.meshtastic.feature.settings.SettingsScreen
 import org.meshtastic.feature.settings.debugging.DebugScreen
 import org.meshtastic.feature.settings.navigation.ConfigRoute
@@ -172,6 +173,8 @@ fun NavGraphBuilder.settingsGraph(navController: NavHostController) {
         ) {
             DebugScreen(onNavigateUp = navController::navigateUp)
         }
+
+        composable<SettingsRoutes.About> { AboutScreen(onNavigateUp = navController::navigateUp) }
     }
 }
 

core/navigation/src/main/kotlin/org/meshtastic/core/navigation/Routes.kt

@@ -148,6 +148,8 @@ object SettingsRoutes {
 
     @Serializable data object DebugPanel : Route
 
+    @Serializable data object About : Route
+
     // endregion
 }
 

core/strings/src/commonMain/composeResources/values/strings.xml

@@ -216,7 +216,7 @@
     <string name="must_update">You must update this application on the app store (or Github). It is too old to talk to this radio firmware.  Please read our <a href="https://meshtastic.org/docs/software/android/installation">docs</a> on this topic.</string>
     <string name="none">None (disable)</string>
     <string name="meshtastic_service_notifications">Service notifications</string>
-    <string name="about">About</string>
+    <string name="acknowledgements">Acknowledgements</string>
     <string name="channel_invalid">This Channel URL is invalid and can not be used</string>
     <string name="contact_invalid">This contact is invalid and can not be added</string>
     <string name="debug_panel">Debug Panel</string>

feature/map/build.gradle.kts

@@ -49,10 +49,11 @@ dependencies {
     implementation(libs.androidx.lifecycle.viewmodel.compose)
     implementation(libs.androidx.navigation.common)
     implementation(libs.material)
-    implementation(libs.osmbonuspack)
-    implementation(libs.osmdroid.android)
     implementation(libs.timber)
 
+    fdroidImplementation(libs.osmbonuspack)
+    fdroidImplementation(libs.osmdroid.android)
+
     googleImplementation(libs.location.services)
     googleImplementation(libs.maps.compose)
     googleImplementation(libs.maps.compose.utils)

feature/settings/build.gradle.kts

@@ -37,6 +37,7 @@ dependencies {
     implementation(projects.core.strings)
     implementation(projects.core.ui)
 
+    implementation(libs.aboutlibraries.compose.m3)
     implementation(libs.accompanist.permissions)
     implementation(libs.androidx.appcompat)
     implementation(libs.androidx.compose.material.iconsExtended)

feature/settings/src/main/kotlin/org/meshtastic/feature/settings/AboutScreen.kt

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2025 Meshtastic LLC
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package org.meshtastic.feature.settings
+
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.tooling.preview.Preview
+import com.mikepenz.aboutlibraries.Libs
+import com.mikepenz.aboutlibraries.ui.compose.m3.LibrariesContainer
+import com.mikepenz.aboutlibraries.util.withContext
+import org.jetbrains.compose.resources.stringResource
+import org.meshtastic.core.strings.Res
+import org.meshtastic.core.strings.acknowledgements
+import org.meshtastic.core.ui.component.MainAppBar
+
+@Composable
+fun AboutScreen(onNavigateUp: () -> Unit) {
+    Scaffold(
+        topBar = {
+            MainAppBar(
+                title = stringResource(Res.string.acknowledgements),
+                canNavigateUp = true,
+                onNavigateUp = onNavigateUp,
+                ourNode = null,
+                showNodeChip = false,
+                actions = {},
+                onClickChip = {},
+            )
+        },
+    ) { paddingValues ->
+        val context = LocalContext.current
+        val libraries = Libs.Builder().withContext(context).build()
+        LibrariesContainer(
+            showAuthor = true,
+            showVersion = true,
+            showDescription = true,
+            showLicenseBadges = true,
+            showFundingBadges = true,
+            modifier = Modifier.fillMaxSize().padding(paddingValues),
+            libraries = libraries,
+        )
+    }
+}
+
+@Preview
+@Composable
+fun AboutScreenPreview() {
+    MaterialTheme { AboutScreen(onNavigateUp = {}) }
+}

feature/settings/src/main/kotlin/org/meshtastic/feature/settings/SettingsScreen.kt

@@ -40,6 +40,7 @@ import androidx.compose.material.icons.automirrored.rounded.KeyboardArrowRight
 import androidx.compose.material.icons.filled.BugReport
 import androidx.compose.material.icons.rounded.AppSettingsAlt
 import androidx.compose.material.icons.rounded.FormatPaint
+import androidx.compose.material.icons.rounded.Info
 import androidx.compose.material.icons.rounded.Language
 import androidx.compose.material.icons.rounded.LocationOn
 import androidx.compose.material.icons.rounded.Memory
@@ -76,7 +77,9 @@ import org.jetbrains.compose.resources.stringResource
 import org.meshtastic.core.common.gpsDisabled
 import org.meshtastic.core.database.DatabaseConstants
 import org.meshtastic.core.navigation.Route
+import org.meshtastic.core.navigation.SettingsRoutes
 import org.meshtastic.core.strings.Res
+import org.meshtastic.core.strings.acknowledgements
 import org.meshtastic.core.strings.analytics_okay
 import org.meshtastic.core.strings.app_settings
 import org.meshtastic.core.strings.app_version
@@ -422,6 +425,14 @@ fun SettingsScreen(
                     settingsLauncher.launch(intent)
                 }
 
+                ListItem(
+                    text = stringResource(Res.string.acknowledgements),
+                    leadingIcon = Icons.Rounded.Info,
+                    trailingIcon = null,
+                ) {
+                    onNavigate(SettingsRoutes.About)
+                }
+
                 AppVersionButton(
                     excludedModulesUnlocked = excludedModulesUnlocked,
                     appVersionName = settingsViewModel.appVersionName,

gradle/libs.versions.toml

@@ -29,6 +29,7 @@ ktor = "3.3.3"
 ktorfit = "2.7.1"
 
 # Other
+aboutlibraries = "13.1.0"
 coil = "3.3.0"
 dd-sdk-android = "3.4.0"
 detekt = "1.23.8"
@@ -128,6 +129,7 @@ androidx-test-runner = { module = "androidx.test:runner", version = "1.7.0" }
 junit = { module = "junit:junit", version = "4.13.2" }
 
 # Other
+aboutlibraries-compose-m3 = { module = "com.mikepenz:aboutlibraries-compose-m3", version.ref = "aboutlibraries" }
 coil = { module = "io.coil-kt.coil3:coil-compose", version.ref = "coil" }
 coil-network-core = { module = "io.coil-kt.coil3:coil-network-core", version.ref = "coil" }
 coil-network-okhttp = { module = "io.coil-kt.coil3:coil-network-okhttp", version.ref = "coil" }
@@ -205,6 +207,7 @@ firebase-crashlytics = { id = "com.google.firebase.crashlytics", version = "3.0.
 firebase-perf = { id = "com.google.firebase.firebase-perf", version = "2.0.2" }
 
 # Other
+aboutlibraries = { id = "com.mikepenz.aboutlibraries.plugin.android", version.ref = "aboutlibraries" }
 datadog = { id = "com.datadoghq.dd-sdk-android-gradle-plugin", version = "1.21.0" }
 dependency-analysis = { id = "com.autonomousapps.dependency-analysis", version = "3.5.1" }
 detekt = { id = "io.gitlab.arturbosch.detekt", version.ref = "detekt" }