From 766ae389ce3ef0f7d17bb2357e4126ab462524b2 Mon Sep 17 00:00:00 2001
From: Benoit Marty <benoitm@matrix.org>
Date: Wed, 17 Jul 2024 15:41:06 +0200
Subject: [PATCH] Add generated screen to show open source licenses.

For Google Play variant only
---
 app/build.gradle.kts                          |   4 +
 .../FdroidOpenSourceLicensesProvider.kt       |  32 ++++++
 app/src/gplay/AndroidManifest.xml             |  12 +++
 .../OssOpenSourcesLicensesProvider.kt         |  37 +++++++
 app/src/gplay/res/values-night-v27/themes.xml |  25 +++++
 app/src/gplay/res/values-night/themes.xml     |  45 ++++++++
 app/src/gplay/res/values-v27/themes.xml       |  25 +++++
 app/src/gplay/res/values/styles.xml           |  23 ++++
 app/src/gplay/res/values/themes.xml           |  47 ++++++++
 build.gradle.kts                              |   1 +
 .../api/OpenSourceLicensesProvider.kt         |  24 +++++
 .../preferences/impl/about/AboutNode.kt       |   5 +
 .../preferences/impl/about/AboutPresenter.kt  |   6 +-
 .../preferences/impl/about/AboutState.kt      |   2 +-
 .../impl/about/AboutStateProvider.kt          |   8 +-
 .../preferences/impl/about/AboutView.kt       |   8 ++
 .../impl/about/AboutPresenterTest.kt          |  15 ++-
 .../preferences/impl/about/AboutViewTest.kt   | 100 ++++++++++++++++++
 .../about/FakeOpenSourceLicensesProvider.kt   |  26 +++++
 gradle/libs.versions.toml                     |   2 +
 20 files changed, 442 insertions(+), 5 deletions(-)
 create mode 100644 app/src/fdroid/kotlin/io/element/android/x/licenses/FdroidOpenSourceLicensesProvider.kt
 create mode 100644 app/src/gplay/AndroidManifest.xml
 create mode 100644 app/src/gplay/kotlin/io/element/android/x/licenses/OssOpenSourcesLicensesProvider.kt
 create mode 100644 app/src/gplay/res/values-night-v27/themes.xml
 create mode 100644 app/src/gplay/res/values-night/themes.xml
 create mode 100644 app/src/gplay/res/values-v27/themes.xml
 create mode 100644 app/src/gplay/res/values/styles.xml
 create mode 100644 app/src/gplay/res/values/themes.xml
 create mode 100644 features/preferences/api/src/main/kotlin/io/element/android/features/preferences/api/OpenSourceLicensesProvider.kt
 create mode 100644 features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/about/AboutViewTest.kt
 create mode 100644 features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/about/FakeOpenSourceLicensesProvider.kt

diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 3f5618b208..7778a3246e 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -36,6 +36,7 @@ plugins {
     id(libs.plugins.firebaseAppDistribution.get().pluginId)
     alias(libs.plugins.knit)
     id("kotlin-parcelize")
+    id("com.google.android.gms.oss-licenses-plugin")
     // To be able to update the firebase.xml files, uncomment and build the project
     // id("com.google.gms.google-services")
 }
@@ -250,6 +251,7 @@ dependencies {
     implementation(projects.anvilannotations)
     implementation(projects.appnav)
     implementation(projects.appconfig)
+    implementation(projects.libraries.uiStrings)
     anvil(projects.anvilcodegen)
 
     // Comment to not include firebase in the project
@@ -257,6 +259,8 @@ dependencies {
     // Comment to not include unified push in the project
     implementation(projects.libraries.pushproviders.unifiedpush)
 
+    "gplayImplementation"(libs.play.services.oss.licenses)
+
     implementation(libs.appyx.core)
     implementation(libs.androidx.splash)
     implementation(libs.androidx.core)
diff --git a/app/src/fdroid/kotlin/io/element/android/x/licenses/FdroidOpenSourceLicensesProvider.kt b/app/src/fdroid/kotlin/io/element/android/x/licenses/FdroidOpenSourceLicensesProvider.kt
new file mode 100644
index 0000000000..2e926f487e
--- /dev/null
+++ b/app/src/fdroid/kotlin/io/element/android/x/licenses/FdroidOpenSourceLicensesProvider.kt
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.x.licenses
+
+import android.app.Activity
+import com.squareup.anvil.annotations.ContributesBinding
+import io.element.android.features.preferences.api.OpenSourceLicensesProvider
+import io.element.android.libraries.di.AppScope
+import javax.inject.Inject
+
+@ContributesBinding(AppScope::class)
+class FdroidOpenSourceLicensesProvider @Inject constructor() : OpenSourceLicensesProvider {
+    override val hasOpenSourceLicenses: Boolean = false
+
+    override fun navigateToOpenSourceLicenses(activity: Activity) {
+        error("Not supported, please ensure that hasOpenSourcesLicenses is true before calling this method")
+    }
+}
diff --git a/app/src/gplay/AndroidManifest.xml b/app/src/gplay/AndroidManifest.xml
new file mode 100644
index 0000000000..234003d953
--- /dev/null
+++ b/app/src/gplay/AndroidManifest.xml
@@ -0,0 +1,12 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application>
+        <activity
+            android:name="com.google.android.gms.oss.licenses.OssLicensesMenuActivity"
+            android:theme="@style/Theme.OssLicenses" />
+        <activity
+            android:name="com.google.android.gms.oss.licenses.OssLicensesActivity"
+            android:theme="@style/Theme.OssLicenses" />
+    </application>
+
+</manifest>
diff --git a/app/src/gplay/kotlin/io/element/android/x/licenses/OssOpenSourcesLicensesProvider.kt b/app/src/gplay/kotlin/io/element/android/x/licenses/OssOpenSourcesLicensesProvider.kt
new file mode 100644
index 0000000000..93848c438d
--- /dev/null
+++ b/app/src/gplay/kotlin/io/element/android/x/licenses/OssOpenSourcesLicensesProvider.kt
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.x.licenses
+
+import android.app.Activity
+import android.content.Intent
+import com.google.android.gms.oss.licenses.OssLicensesMenuActivity
+import com.squareup.anvil.annotations.ContributesBinding
+import io.element.android.features.preferences.api.OpenSourceLicensesProvider
+import io.element.android.libraries.di.AppScope
+import io.element.android.libraries.ui.strings.CommonStrings
+import javax.inject.Inject
+
+@ContributesBinding(AppScope::class)
+class OssOpenSourcesLicensesProvider @Inject constructor() : OpenSourceLicensesProvider {
+    override val hasOpenSourceLicenses: Boolean = true
+
+    override fun navigateToOpenSourceLicenses(activity: Activity) {
+        val title = activity.getString(CommonStrings.common_open_source_licenses)
+        OssLicensesMenuActivity.setActivityTitle(title)
+        activity.startActivity(Intent(activity, OssLicensesMenuActivity::class.java))
+    }
+}
diff --git a/app/src/gplay/res/values-night-v27/themes.xml b/app/src/gplay/res/values-night-v27/themes.xml
new file mode 100644
index 0000000000..b1b00d7205
--- /dev/null
+++ b/app/src/gplay/res/values-night-v27/themes.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2024 New Vector Ltd
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     https://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<resources>
+
+    <style name="Theme.OssLicenses.v27" parent="Base.Theme.OssLicenses">
+        <item name="android:windowLightNavigationBar">false</item>
+    </style>
+
+    <style name="Theme.OssLicenses" parent="Theme.OssLicenses.v27"/>
+
+</resources>
diff --git a/app/src/gplay/res/values-night/themes.xml b/app/src/gplay/res/values-night/themes.xml
new file mode 100644
index 0000000000..ddba043ac2
--- /dev/null
+++ b/app/src/gplay/res/values-night/themes.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2024 New Vector Ltd
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     https://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<resources>
+
+    <!-- Use a few colors from compoundColorsLight -->
+    <!-- DarkColorTokens.colorThemeBg -->
+    <color name="colorThemeBg">#FF101317</color>
+    <!-- DarkColorTokens.colorGray1400 -->
+    <color name="textPrimary">#FFEBEEF2</color>
+    <!-- DarkColorTokens.colorGray900 -->
+    <color name="textSecondary">#ff808994</color>
+
+    <style name="Base.Theme.OssLicenses" parent="Theme.MaterialComponents">
+        <!-- Background of title bar -->
+        <item name="colorPrimary">@color/colorThemeBg</item>
+        <!-- Background of the screen -->
+        <item name="android:colorBackground">@color/colorThemeBg</item>
+        <!-- Text of the licenses -->
+        <item name="android:textColor">@color/textSecondary</item>
+        <!-- Title, back button and license item text color -->
+        <item name="android:textColorPrimary">@color/textPrimary</item>
+        <!-- Background of status bar -->
+        <item name="android:statusBarColor">@color/colorThemeBg</item>
+        <item name="android:windowLightStatusBar">false</item>
+        <!-- Background of navigation bar -->
+        <item name="android:navigationBarColor">@color/colorThemeBg</item>
+    </style>
+
+    <style name="Theme.OssLicenses" parent="Base.Theme.OssLicenses" />
+
+</resources>
diff --git a/app/src/gplay/res/values-v27/themes.xml b/app/src/gplay/res/values-v27/themes.xml
new file mode 100644
index 0000000000..6ee828f6d2
--- /dev/null
+++ b/app/src/gplay/res/values-v27/themes.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2024 New Vector Ltd
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     https://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<resources>
+
+    <style name="Theme.OssLicenses.Light.v27" parent="Base.Theme.OssLicenses.Light">
+        <item name="android:windowLightNavigationBar">true</item>
+    </style>
+
+    <style name="Theme.OssLicenses" parent="Theme.OssLicenses.Light.v27"/>
+
+</resources>
diff --git a/app/src/gplay/res/values/styles.xml b/app/src/gplay/res/values/styles.xml
new file mode 100644
index 0000000000..1e8c836919
--- /dev/null
+++ b/app/src/gplay/res/values/styles.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2024 New Vector Ltd
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     https://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<resources>
+
+    <style name="NoElevationToolbar" parent="Widget.MaterialComponents.Toolbar">
+        <item name="android:elevation">0dp</item>
+    </style>
+
+</resources>
diff --git a/app/src/gplay/res/values/themes.xml b/app/src/gplay/res/values/themes.xml
new file mode 100644
index 0000000000..ab93c3743d
--- /dev/null
+++ b/app/src/gplay/res/values/themes.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2024 New Vector Ltd
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     https://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<resources>
+
+    <!-- Use a few colors from compoundColorsLight -->
+    <!-- LightColorTokens.colorThemeBg -->
+    <color name="colorThemeBg">#FFFFFFFF</color>
+    <!-- LightColorTokens.colorGray1400 -->
+    <color name="textPrimary">#FF1B1D22</color>
+    <!-- LightColorTokens.colorGray900 -->
+    <color name="textSecondary">#FF656D77</color>
+
+    <style name="Base.Theme.OssLicenses.Light" parent="Theme.MaterialComponents.Light">
+        <!-- Background of title bar -->
+        <item name="colorPrimary">@color/colorThemeBg</item>
+        <!-- Background of the screen -->
+        <item name="android:colorBackground">@color/colorThemeBg</item>
+        <!-- Text of the licenses -->
+        <item name="android:textColor">@color/textSecondary</item>
+        <!-- Title, back button and license item text color -->
+        <item name="android:textColorPrimary">@color/textPrimary</item>
+        <!-- Background of status bar -->
+        <item name="android:statusBarColor">@color/colorThemeBg</item>
+        <item name="android:windowLightStatusBar">true</item>
+        <!-- Background of navigation bar -->
+        <item name="android:navigationBarColor">@color/colorThemeBg</item>
+        <!-- Try to remove Toolbar elevation, but it does not work :/ -->
+        <item name="toolbarStyle">@style/NoElevationToolbar</item>
+    </style>
+
+    <style name="Theme.OssLicenses" parent="Base.Theme.OssLicenses.Light" />
+
+</resources>
diff --git a/build.gradle.kts b/build.gradle.kts
index ff5d46ab12..8139ed6eb8 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -5,6 +5,7 @@ buildscript {
     dependencies {
         classpath(libs.kotlin.gradle.plugin)
         classpath(libs.gms.google.services)
+        classpath(libs.oss.licenses.plugin)
     }
 }
 
diff --git a/features/preferences/api/src/main/kotlin/io/element/android/features/preferences/api/OpenSourceLicensesProvider.kt b/features/preferences/api/src/main/kotlin/io/element/android/features/preferences/api/OpenSourceLicensesProvider.kt
new file mode 100644
index 0000000000..561ad6add0
--- /dev/null
+++ b/features/preferences/api/src/main/kotlin/io/element/android/features/preferences/api/OpenSourceLicensesProvider.kt
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.preferences.api
+
+import android.app.Activity
+
+interface OpenSourceLicensesProvider {
+    val hasOpenSourceLicenses: Boolean
+    fun navigateToOpenSourceLicenses(activity: Activity)
+}
diff --git a/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutNode.kt b/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutNode.kt
index bc2ff7894b..691bb09ae5 100644
--- a/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutNode.kt
+++ b/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutNode.kt
@@ -27,6 +27,7 @@ import dagger.assisted.Assisted
 import dagger.assisted.AssistedInject
 import io.element.android.anvilannotations.ContributesNode
 import io.element.android.compound.theme.ElementTheme
+import io.element.android.features.preferences.api.OpenSourceLicensesProvider
 import io.element.android.libraries.androidutils.browser.openUrlInChromeCustomTab
 import io.element.android.libraries.di.SessionScope
 
@@ -35,6 +36,7 @@ class AboutNode @AssistedInject constructor(
     @Assisted buildContext: BuildContext,
     @Assisted plugins: List<Plugin>,
     private val presenter: AboutPresenter,
+    private val openSourceLicensesProvider: OpenSourceLicensesProvider,
 ) : Node(buildContext, plugins = plugins) {
     private fun onElementLegalClick(
         activity: Activity,
@@ -55,6 +57,9 @@ class AboutNode @AssistedInject constructor(
             onElementLegalClick = { elementLegal ->
                 onElementLegalClick(activity, isDark, elementLegal)
             },
+            onOpenSourceLicensesClick = {
+                openSourceLicensesProvider.navigateToOpenSourceLicenses(activity)
+            },
             modifier = modifier
         )
     }
diff --git a/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutPresenter.kt b/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutPresenter.kt
index 76c3054f61..60395784d4 100644
--- a/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutPresenter.kt
+++ b/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutPresenter.kt
@@ -17,14 +17,18 @@
 package io.element.android.features.preferences.impl.about
 
 import androidx.compose.runtime.Composable
+import io.element.android.features.preferences.api.OpenSourceLicensesProvider
 import io.element.android.libraries.architecture.Presenter
 import javax.inject.Inject
 
-class AboutPresenter @Inject constructor() : Presenter<AboutState> {
+class AboutPresenter @Inject constructor(
+    private val openSourceLicensesProvider: OpenSourceLicensesProvider,
+) : Presenter<AboutState> {
     @Composable
     override fun present(): AboutState {
         return AboutState(
             elementLegals = getAllLegals(),
+            hasOpenSourcesLicenses = openSourceLicensesProvider.hasOpenSourceLicenses,
         )
     }
 }
diff --git a/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutState.kt b/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutState.kt
index cd361bd4b0..a058f3c138 100644
--- a/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutState.kt
+++ b/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutState.kt
@@ -16,7 +16,7 @@
 
 package io.element.android.features.preferences.impl.about
 
-// Do not use default value, so no member get forgotten in the presenters.
 data class AboutState(
     val elementLegals: List<ElementLegal>,
+    val hasOpenSourcesLicenses: Boolean,
 )
diff --git a/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutStateProvider.kt b/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutStateProvider.kt
index 5775cbe48c..75dbad1fd2 100644
--- a/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutStateProvider.kt
+++ b/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutStateProvider.kt
@@ -21,10 +21,14 @@ import androidx.compose.ui.tooling.preview.PreviewParameterProvider
 open class AboutStateProvider : PreviewParameterProvider<AboutState> {
     override val values: Sequence<AboutState>
         get() = sequenceOf(
-            aAboutState(),
+            anAboutState(),
+            anAboutState(hasOpenSourcesLicenses = true),
         )
 }
 
-fun aAboutState() = AboutState(
+fun anAboutState(
+    hasOpenSourcesLicenses: Boolean = false,
+) = AboutState(
     elementLegals = getAllLegals(),
+    hasOpenSourcesLicenses = hasOpenSourcesLicenses,
 )
diff --git a/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutView.kt b/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutView.kt
index 4a55217275..413ecb6df9 100644
--- a/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutView.kt
+++ b/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/about/AboutView.kt
@@ -30,6 +30,7 @@ import io.element.android.libraries.ui.strings.CommonStrings
 fun AboutView(
     state: AboutState,
     onElementLegalClick: (ElementLegal) -> Unit,
+    onOpenSourceLicensesClick: () -> Unit,
     onBackClick: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
@@ -44,6 +45,12 @@ fun AboutView(
                 onClick = { onElementLegalClick(elementLegal) }
             )
         }
+        if (state.hasOpenSourcesLicenses) {
+            PreferenceText(
+                title = stringResource(id = CommonStrings.common_open_source_licenses),
+                onClick = onOpenSourceLicensesClick,
+            )
+        }
     }
 }
 
@@ -53,6 +60,7 @@ internal fun AboutViewPreview(@PreviewParameter(AboutStateProvider::class) state
     AboutView(
         state = state,
         onElementLegalClick = {},
+        onOpenSourceLicensesClick = {},
         onBackClick = {},
     )
 }
diff --git a/features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/about/AboutPresenterTest.kt b/features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/about/AboutPresenterTest.kt
index be2742c80e..64a209dd9e 100644
--- a/features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/about/AboutPresenterTest.kt
+++ b/features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/about/AboutPresenterTest.kt
@@ -31,12 +31,25 @@ class AboutPresenterTest {
 
     @Test
     fun `present - initial state`() = runTest {
-        val presenter = AboutPresenter()
+        val presenter = AboutPresenter(FakeOpenSourceLicensesProvider(hasOpenSourceLicenses = true))
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
             val initialState = awaitItem()
             assertThat(initialState.elementLegals).isEqualTo(getAllLegals())
+            assertThat(initialState.hasOpenSourcesLicenses).isTrue()
+        }
+    }
+
+    @Test
+    fun `present - initial state, no open source licenses`() = runTest {
+        val presenter = AboutPresenter(FakeOpenSourceLicensesProvider(hasOpenSourceLicenses = false))
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            val initialState = awaitItem()
+            assertThat(initialState.elementLegals).isEqualTo(getAllLegals())
+            assertThat(initialState.hasOpenSourcesLicenses).isFalse()
         }
     }
 }
diff --git a/features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/about/AboutViewTest.kt b/features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/about/AboutViewTest.kt
new file mode 100644
index 0000000000..851fcdd8e9
--- /dev/null
+++ b/features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/about/AboutViewTest.kt
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.preferences.impl.about
+
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.test.junit4.AndroidComposeTestRule
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.onNodeWithText
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import io.element.android.libraries.ui.strings.CommonStrings
+import io.element.android.tests.testutils.EnsureNeverCalled
+import io.element.android.tests.testutils.EnsureNeverCalledWithParam
+import io.element.android.tests.testutils.clickOn
+import io.element.android.tests.testutils.ensureCalledOnce
+import io.element.android.tests.testutils.ensureCalledOnceWithParam
+import io.element.android.tests.testutils.pressBack
+import org.junit.Rule
+import org.junit.Test
+import org.junit.rules.TestRule
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class AboutViewTest {
+    @get:Rule val rule = createAndroidComposeRule<ComponentActivity>()
+
+    @Test
+    fun `clicking on back invokes back callback`() {
+        ensureCalledOnce { callback ->
+            rule.setAboutView(
+                anAboutState(),
+                onBackClick = callback,
+            )
+            rule.pressBack()
+        }
+    }
+
+    @Test
+    fun `clicking on an item invokes the expected callback`() {
+        val state = anAboutState()
+        ensureCalledOnceWithParam(state.elementLegals.first()) { callback ->
+            rule.setAboutView(
+                state,
+                onElementLegalClick = callback,
+            )
+            rule.clickOn(state.elementLegals.first().titleRes)
+        }
+    }
+
+    @Test
+    fun `if open source licenses are not available, the entry is not displayed`() {
+        rule.setAboutView(
+            anAboutState(),
+        )
+        val text = rule.activity.getString(CommonStrings.common_open_source_licenses)
+        rule.onNodeWithText(text).assertDoesNotExist()
+    }
+
+    @Test
+    fun `if open source licenses are available, clicking on the entry invokes the expected callback`() {
+        ensureCalledOnce { callback ->
+            rule.setAboutView(
+                anAboutState(
+                    hasOpenSourcesLicenses = true,
+                ),
+                onOpenSourceLicensesClick = callback,
+            )
+            rule.clickOn(CommonStrings.common_open_source_licenses)
+        }
+    }
+}
+
+private fun <R : TestRule> AndroidComposeTestRule<R, ComponentActivity>.setAboutView(
+    state: AboutState,
+    onElementLegalClick: (ElementLegal) -> Unit = EnsureNeverCalledWithParam(),
+    onOpenSourceLicensesClick: () -> Unit = EnsureNeverCalled(),
+    onBackClick: () -> Unit = EnsureNeverCalled(),
+) {
+    setContent {
+        AboutView(
+            state = state,
+            onElementLegalClick = onElementLegalClick,
+            onOpenSourceLicensesClick = onOpenSourceLicensesClick,
+            onBackClick = onBackClick,
+        )
+    }
+}
diff --git a/features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/about/FakeOpenSourceLicensesProvider.kt b/features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/about/FakeOpenSourceLicensesProvider.kt
new file mode 100644
index 0000000000..c7f1c25a33
--- /dev/null
+++ b/features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/about/FakeOpenSourceLicensesProvider.kt
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.preferences.impl.about
+
+import android.app.Activity
+import io.element.android.features.preferences.api.OpenSourceLicensesProvider
+
+class FakeOpenSourceLicensesProvider(
+    override val hasOpenSourceLicenses: Boolean,
+) : OpenSourceLicensesProvider {
+    override fun navigateToOpenSourceLicenses(activity: Activity) = Unit
+}
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 30a0e381cb..ffbf984e6d 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -70,6 +70,7 @@ gms_google_services = "com.google.gms:google-services:4.4.2"
 google_firebase_bom = "com.google.firebase:firebase-bom:33.1.2"
 firebase_appdistribution_gradle = { module = "com.google.firebase:firebase-appdistribution-gradle", version.ref = "firebaseAppDistribution" }
 autonomousapps_dependencyanalysis_plugin = { module = "com.autonomousapps:dependency-analysis-gradle-plugin", version.ref = "dependencyAnalysis" }
+oss_licenses_plugin = "com.google.android.gms:oss-licenses-plugin:0.10.6"
 
 # AndroidX
 androidx_core = { module = "androidx.core:core", version.ref = "core" }
@@ -182,6 +183,7 @@ maplibre_annotation = "org.maplibre.gl:android-plugin-annotation-v9:3.0.0"
 opusencoder = "io.element.android:opusencoder:1.1.0"
 kotlinpoet = "com.squareup:kotlinpoet:1.18.1"
 zxing_cpp = "io.github.zxing-cpp:android:2.2.0"
+play_services_oss_licenses = "com.google.android.gms:play-services-oss-licenses:17.1.0"
 
 # Analytics
 posthog = "com.posthog:posthog-android:3.4.2"