# HG changeset patch
# User Da Risk <da_risk@geekorum.com>
# Date 1683054413 14400
# Node ID bb30a0b89177b7e776c24a1dace9cc28fff3d95b
# Parent  84df85e84619acd5e84865e8b8e48cde14862bcc
add a material3 ui module

diff -r 84df85e84619 -r bb30a0b89177 settings.gradle.kts
--- a/settings.gradle.kts	Sun Apr 16 15:04:57 2023 -0400
+++ b/settings.gradle.kts	Tue May 02 15:06:53 2023 -0400
@@ -21,3 +21,4 @@
 include(":core")
 include(":ui:common")
 include(":ui:material2")
+include(":ui:material3")
diff -r 84df85e84619 -r bb30a0b89177 ui/material3/.gitignore
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/material3/.gitignore	Tue May 02 15:06:53 2023 -0400
@@ -0,0 +1,1 @@
+/build
\ No newline at end of file
diff -r 84df85e84619 -r bb30a0b89177 ui/material3/build.gradle.kts
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/material3/build.gradle.kts	Tue May 02 15:06:53 2023 -0400
@@ -0,0 +1,115 @@
+/*
+ * AboutOss is an utility library to retrieve and display
+ * opensource licenses in Android applications.
+ *
+ * Copyright (C) 2023 by Frederic-Charles Barthelery.
+ *
+ * This file is part of AboutOss.
+ *
+ * AboutOss 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.
+ *
+ * AboutOss 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 AboutOss.  If not, see <http://www.gnu.org/licenses/>.
+ */
+plugins {
+    id("com.android.library")
+    kotlin("android")
+    id("com.geekorum.build.source-license-checker")
+    `maven-publish`
+}
+
+group = "com.geekorum.aboutoss"
+version = "0.0.1"
+
+android {
+    namespace = "com.geekorum.aboutoss.ui.material3"
+    compileSdk = 33
+
+    defaultConfig {
+        minSdk = 24
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+
+        aarMetadata {
+            minCompileSdk = 24
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+
+    buildFeatures {
+        compose = true
+    }
+
+    composeOptions {
+        kotlinCompilerExtensionVersion = libs.versions.androidx.compose.compiler.get()
+    }
+
+    publishing {
+        singleVariant("release") {
+            withJavadocJar()
+            withSourcesJar()
+        }
+    }
+}
+
+dependencies {
+    implementation(project(":ui:common"))
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.compose.material3)
+    implementation(libs.androidx.activity.compose)
+    implementation(libs.androidx.navigation.compose)
+
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.test.ext.junit)
+    androidTestImplementation(libs.espresso.core)
+}
+
+publishing {
+    publications {
+        val pomConfiguration: (MavenPom).() -> Unit = {
+            name.set("ui-material3")
+            description.set("A library to retrieve and display opensource licenses in Android applications")
+            licenses {
+                license {
+                    name.set("GPL-3.0-or-later")
+                    url.set("https://www.gnu.org/licenses/gpl-3.0.html")
+                    distribution.set("repo")
+                }
+            }
+            inceptionYear.set("2023")
+        }
+
+        register<MavenPublication>("release") {
+            afterEvaluate {
+                from(components["release"])
+            }
+            artifactId = "ui-material3"
+            pom(pomConfiguration)
+        }
+    }
+}
diff -r 84df85e84619 -r bb30a0b89177 ui/material3/consumer-rules.pro
diff -r 84df85e84619 -r bb30a0b89177 ui/material3/proguard-rules.pro
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/material3/proguard-rules.pro	Tue May 02 15:06:53 2023 -0400
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
\ No newline at end of file
diff -r 84df85e84619 -r bb30a0b89177 ui/material3/src/androidTest/java/com/geekorum/aboutoss/ui/material3/ExampleInstrumentedTest.kt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/material3/src/androidTest/java/com/geekorum/aboutoss/ui/material3/ExampleInstrumentedTest.kt	Tue May 02 15:06:53 2023 -0400
@@ -0,0 +1,45 @@
+/*
+ * AboutOss is an utility library to retrieve and display
+ * opensource licenses in Android applications.
+ *
+ * Copyright (C) 2023 by Frederic-Charles Barthelery.
+ *
+ * This file is part of AboutOss.
+ *
+ * AboutOss 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.
+ *
+ * AboutOss 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 AboutOss.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.geekorum.aboutoss.ui.material3
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.geekorum.aboutoss.ui.material3.test", appContext.packageName)
+    }
+}
\ No newline at end of file
diff -r 84df85e84619 -r bb30a0b89177 ui/material3/src/main/AndroidManifest.xml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/material3/src/main/AndroidManifest.xml	Tue May 02 15:06:53 2023 -0400
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+
+    AboutOss is an utility library to retrieve and display
+    opensource licenses in Android applications.
+
+    Copyright (C) 2023 by Frederic-Charles Barthelery.
+
+    This file is part of AboutOss.
+
+    AboutOss 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.
+
+    AboutOss 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 AboutOss.  If not, see <http://www.gnu.org/licenses/>.
+
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application>
+        <activity android:name=".OpenSourceLicensesActivity"
+            android:theme="@style/Theme.AppCompat.NoActionBar"
+            android:label="@string/title_oss_licenses"
+            android:exported="false"
+            />
+    </application>
+</manifest>
\ No newline at end of file
diff -r 84df85e84619 -r bb30a0b89177 ui/material3/src/main/java/com/geekorum/aboutoss/ui/material3/OpenSourceDependenciesListScreen.kt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/material3/src/main/java/com/geekorum/aboutoss/ui/material3/OpenSourceDependenciesListScreen.kt	Tue May 02 15:06:53 2023 -0400
@@ -0,0 +1,116 @@
+/*
+ * AboutOss is an utility library to retrieve and display
+ * opensource licenses in Android applications.
+ *
+ * Copyright (C) 2023 by Frederic-Charles Barthelery.
+ *
+ * This file is part of AboutOss.
+ *
+ * AboutOss 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.
+ *
+ * AboutOss 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 AboutOss.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.geekorum.aboutoss.ui.material3
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import com.geekorum.aboutoss.ui.common.OpenSourceLicensesViewModel
+import com.geekorum.aboutoss.ui.common.R as commonR
+
+/**
+ * Display the list of dependencies used in the application
+ *
+ * @param viewModel the [OpenSourceLicensesViewModel] to use
+ * @param onDependencyClick lambda to execute on click on one dependency item
+ * @param onUpClick lambda to execute on click on the up arrow
+ */
+@Composable
+fun OpenSourceDependenciesListScreen(
+    viewModel: OpenSourceLicensesViewModel,
+    onDependencyClick: (String) -> Unit,
+    onUpClick: () -> Unit
+) {
+    val dependencies by viewModel.dependenciesList.collectAsState(initial = emptyList())
+    OpenSourceDependenciesListScreen(
+        dependencies = dependencies,
+        onDependencyClick = onDependencyClick,
+        onUpClick = onUpClick
+    )
+}
+
+/**
+ * Display the list of dependencies used in the application
+ *
+ * @param dependencies the list of dependencies
+ * @param onDependencyClick lambda to execute on click on one dependency item
+ * @param onUpClick lambda to execute on click on the up arrow
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun OpenSourceDependenciesListScreen(
+    dependencies: List<String>,
+    onDependencyClick: (String) -> Unit,
+    onUpClick: () -> Unit
+) {
+    val scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior(rememberTopAppBarState())
+    Scaffold(
+        modifier = Modifier.nestedScroll(scrollBehavior.nestedScrollConnection),
+        topBar = {
+            TopAppBar(
+                title = { Text(stringResource(commonR.string.title_oss_licenses)) },
+                navigationIcon = {
+                    IconButton(onClick = onUpClick) {
+                        Icon(
+                            Icons.Default.ArrowBack,
+                            contentDescription = null
+                        )
+                    }
+                },
+                scrollBehavior = scrollBehavior
+            )
+        }) {
+        LazyColumn(Modifier.fillMaxSize(), contentPadding = it) {
+            items(dependencies) {
+                Column {
+                    ListItem(
+                        modifier = Modifier
+                            .height(64.dp)
+                            .clickable(onClick = { onDependencyClick(it) }),
+                        headlineContent = {
+                            Text(
+                                it, modifier = Modifier.padding(horizontal = 16.dp),
+                                overflow = TextOverflow.Ellipsis, maxLines = 1
+                            )
+                        }
+                    )
+                    Divider(Modifier.padding(horizontal = 16.dp))
+                }
+            }
+        }
+    }
+}
diff -r 84df85e84619 -r bb30a0b89177 ui/material3/src/main/java/com/geekorum/aboutoss/ui/material3/OpenSourceLicenseScreen.kt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/material3/src/main/java/com/geekorum/aboutoss/ui/material3/OpenSourceLicenseScreen.kt	Tue May 02 15:06:53 2023 -0400
@@ -0,0 +1,173 @@
+/*
+ * AboutOss is an utility library to retrieve and display
+ * opensource licenses in Android applications.
+ *
+ * Copyright (C) 2023 by Frederic-Charles Barthelery.
+ *
+ * This file is part of AboutOss.
+ *
+ * AboutOss 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.
+ *
+ * AboutOss 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 AboutOss.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.geekorum.aboutoss.ui.material3
+
+import androidx.compose.foundation.gestures.detectTapGestures
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.input.pointer.pointerInput
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.*
+import androidx.compose.ui.text.style.TextDecoration
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import androidx.core.net.toUri
+import com.geekorum.aboutoss.ui.common.OpenSourceLicensesViewModel
+
+/**
+ * Display the opensource license of a dependency
+ *
+ * @param viewModel the [OpenSourceLicensesViewModel] to use
+ * @param dependency the dependency
+ * @param onUpClick lambda to execute on click on the up arrow
+ */
+@Composable
+fun OpenSourceLicenseScreen(
+    viewModel: OpenSourceLicensesViewModel,
+    dependency: String,
+    onUpClick: () -> Unit,
+) {
+    val context = LocalContext.current
+    val license by viewModel.getLicenseDependency(dependency).collectAsState("")
+    OpenSourceLicenseScreen(
+        dependency = dependency,
+        license = license,
+        onUpClick = onUpClick,
+        onUrlClick = {
+            viewModel.openLinkInBrowser(context, it)
+        },
+        onUrlsFound = {
+            val uris = it.map { uri -> uri.toUri() }
+            viewModel.mayLaunchUrl(*uris.toTypedArray())
+        }
+    )
+}
+
+/**
+ * Display the opensource license of a dependency
+ *
+ * @param dependency the dependency
+ * @param license the opensource license text
+ * @param onUpClick lambda to execute on click on the up arrow
+ * @param onUrlClick lambda to execute on click on a url
+ * @param onUrlsFound lambda to execute when all urls in the license have been found
+ */
+@OptIn(ExperimentalLayoutApi::class, ExperimentalTextApi::class, ExperimentalMaterial3Api::class)
+@Composable
+fun OpenSourceLicenseScreen(
+    dependency: String,
+    license: String,
+    onUpClick: () -> Unit,
+    onUrlClick: (String) -> Unit,
+    onUrlsFound: (List<String>) -> Unit,
+) {
+    val linkifiedLicense = linkifyText(text = license)
+    LaunchedEffect(linkifiedLicense) {
+        val uris =
+            linkifiedLicense.getUrlAnnotations(0, linkifiedLicense.length).map { it.item.url }
+        onUrlsFound(uris)
+    }
+
+    val scrollState = rememberScrollState()
+
+    val scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior(rememberTopAppBarState())
+    Scaffold(
+        modifier = Modifier.nestedScroll(scrollBehavior.nestedScrollConnection),
+        topBar = {
+        TopAppBar(title = { Text(dependency, overflow = TextOverflow.Ellipsis, maxLines = 1) },
+            navigationIcon = {
+                IconButton(onClick = onUpClick) {
+                    Icon(
+                        Icons.Default.ArrowBack,
+                        contentDescription = null
+                    )
+                }
+            },
+        )
+    }) { paddingValues ->
+        val layoutResult = remember { mutableStateOf<TextLayoutResult?>(null) }
+        val pressIndicator = Modifier.pointerInput(layoutResult, linkifiedLicense) {
+            detectTapGestures { pos ->
+                layoutResult.value?.let { layoutResult ->
+                    val posWithScroll = pos.copy(y = pos.y + scrollState.value)
+                    val offset = layoutResult.getOffsetForPosition(posWithScroll)
+                    linkifiedLicense.getUrlAnnotations(start = offset, end = offset)
+                        .firstOrNull()?.let { annotation ->
+                            onUrlClick(annotation.item.url)
+                        }
+                }
+            }
+        }
+
+        Text(linkifiedLicense,
+            modifier = Modifier
+                .padding(paddingValues)
+                .consumeWindowInsets(paddingValues)
+                .padding(horizontal = 16.dp)
+                .fillMaxSize()
+                .then(pressIndicator)
+                .verticalScroll(scrollState),
+            onTextLayout = {
+                layoutResult.value = it
+            }
+        )
+    }
+}
+
+/**
+ * https://regexr.com/37i6s
+ */
+private val urlRegexp = """https?://(www\.)?[-a-zA-Z0-9@:%._+~#=]{2,256}\.[a-z]{2,4}\b([-a-zA-Z0-9@:%_+.~#?&/=]*)""".toRegex()
+
+@OptIn(ExperimentalTextApi::class)
+@Composable
+private fun linkifyText(text: String): AnnotatedString {
+    val style = SpanStyle(
+        color = MaterialTheme.colorScheme.primary,
+        textDecoration = TextDecoration.Underline
+    )
+    return remember(text, style) {
+        buildAnnotatedString {
+            var currentIdx = 0
+            for (match in urlRegexp.findAll(text)) {
+                if (currentIdx < match.range.first) {
+                    append(text.substring(currentIdx, match.range.first))
+                }
+                val url = text.substring(match.range)
+                withAnnotation(UrlAnnotation(url)) {
+                    withStyle(style) {
+                        append(url)
+                    }
+                }
+                currentIdx = match.range.last + 1
+            }
+            append(text.substring(currentIdx))
+        }
+    }
+}
diff -r 84df85e84619 -r bb30a0b89177 ui/material3/src/main/java/com/geekorum/aboutoss/ui/material3/OpenSourceLicensesActivity.kt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/material3/src/main/java/com/geekorum/aboutoss/ui/material3/OpenSourceLicensesActivity.kt	Tue May 02 15:06:53 2023 -0400
@@ -0,0 +1,115 @@
+/*
+ * AboutOss is an utility library to retrieve and display
+ * opensource licenses in Android applications.
+ *
+ * Copyright (C) 2023 by Frederic-Charles Barthelery.
+ *
+ * This file is part of AboutOss.
+ *
+ * AboutOss 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.
+ *
+ * AboutOss 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 AboutOss.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.geekorum.aboutoss.ui.material3
+
+import android.app.Activity
+import android.net.Uri
+import android.os.Bundle
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.SideEffect
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalView
+import androidx.core.view.WindowCompat
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.rememberNavController
+import com.geekorum.aboutoss.ui.common.BaseOpensourceLicenseActivity
+import com.geekorum.aboutoss.ui.common.OpenSourceLicensesViewModel
+
+/**
+ * Activity to display opensource license information
+ *
+ * This activity use Material compose to create the UI.
+ * You can specify the Material theme to use by setting [themeProvider]
+ * before launching the activity
+ */
+class OpenSourceLicensesActivity : BaseOpensourceLicenseActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        WindowCompat.setDecorFitsSystemWindows(window, false)
+        setContent {
+            themeProvider {
+                DependencyNavHost(
+                    openSourceLicensesViewModel = viewModel,
+                    navigateUp = {
+                        if (!onNavigateUp()) {
+                            finish()
+                        }
+                    }
+                )
+            }
+        }
+    }
+
+    companion object {
+        /**
+         * The composable Theme function to set the theme of the UI in [OpenSourceLicensesActivity]
+         * Default to base material theme [MaterialTheme]
+         */
+        var themeProvider: @Composable (@Composable () -> Unit) -> Unit = { content ->
+            val darkTheme: Boolean = isSystemInDarkTheme()
+            val colorScheme = MaterialTheme.colorScheme
+            val view = LocalView.current
+            if (!view.isInEditMode) {
+                SideEffect {
+                    val window = (view.context as Activity).window
+                    window.statusBarColor = colorScheme.primary.toArgb()
+                    WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+                }
+            }
+            MaterialTheme(content = content)
+        }
+    }
+}
+
+@Composable
+fun DependencyNavHost(
+    openSourceLicensesViewModel: OpenSourceLicensesViewModel,
+    navigateUp: () -> Unit
+) {
+    val navController = rememberNavController()
+    NavHost(navController, startDestination = "dependencies") {
+        composable("dependencies") {
+            OpenSourceDependenciesListScreen(
+                viewModel = openSourceLicensesViewModel,
+                onDependencyClick = {
+                    navController.navigate("dependency_license/${Uri.encode(it)}")
+                },
+                onUpClick = navigateUp
+            )
+        }
+        composable("dependency_license/{dependency}") {
+            val dependency = requireNotNull(it.arguments?.getString("dependency"))
+            OpenSourceLicenseScreen(
+                viewModel = openSourceLicensesViewModel,
+                dependency = dependency,
+                onUpClick = {
+                    navController.popBackStack()
+                },
+            )
+        }
+    }
+}
diff -r 84df85e84619 -r bb30a0b89177 ui/material3/src/test/java/com/geekorum/aboutoss/ui/material3/ExampleUnitTest.kt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/material3/src/test/java/com/geekorum/aboutoss/ui/material3/ExampleUnitTest.kt	Tue May 02 15:06:53 2023 -0400
@@ -0,0 +1,37 @@
+/*
+ * AboutOss is an utility library to retrieve and display
+ * opensource licenses in Android applications.
+ *
+ * Copyright (C) 2023 by Frederic-Charles Barthelery.
+ *
+ * This file is part of AboutOss.
+ *
+ * AboutOss 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.
+ *
+ * AboutOss 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 AboutOss.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.geekorum.aboutoss.ui.material3
+
+import org.junit.Assert
+import org.junit.Test
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        Assert.assertEquals(4, 2 + 2)
+    }
+}
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