Add Advanced Settings screen in the preferences.

features/preferences/impl/build.gradle.kts

@@ -42,6 +42,7 @@ dependencies {
     implementation(projects.libraries.network)
     implementation(projects.libraries.pushstore.api)
     implementation(projects.libraries.pushstore.test)
+    implementation(projects.libraries.preferences.api)
     implementation(projects.libraries.testtags)
     implementation(projects.libraries.uiStrings)
     implementation(projects.features.rageshake.api)
@@ -55,6 +56,7 @@ dependencies {
     implementation(libs.accompanist.placeholder)
     implementation(libs.coil.compose)
     implementation(libs.androidx.browser)
+    implementation(libs.androidx.datastore.preferences)
     api(projects.features.preferences.api)
     ksp(libs.showkase.processor)
 

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/PreferencesFlowNode.kt

@@ -31,11 +31,12 @@ import dagger.assisted.AssistedInject
 import io.element.android.anvilannotations.ContributesNode
 import io.element.android.features.preferences.api.PreferencesEntryPoint
 import io.element.android.features.preferences.impl.about.AboutNode
+import io.element.android.features.preferences.impl.advanced.AdvancedSettingsNode
 import io.element.android.features.preferences.impl.analytics.AnalyticsSettingsNode
 import io.element.android.features.preferences.impl.developer.DeveloperSettingsNode
+import io.element.android.features.preferences.impl.developer.tracing.ConfigureTracingNode
 import io.element.android.features.preferences.impl.notifications.NotificationSettingsNode
 import io.element.android.features.preferences.impl.notifications.edit.EditDefaultNotificationSettingNode
-import io.element.android.features.preferences.impl.developer.tracing.ConfigureTracingNode
 import io.element.android.features.preferences.impl.root.PreferencesRootNode
 import io.element.android.libraries.architecture.BackstackNode
 import io.element.android.libraries.architecture.animation.rememberDefaultTransitionHandler
@@ -63,6 +64,9 @@ class PreferencesFlowNode @AssistedInject constructor(
         @Parcelize
         data object DeveloperSettings : NavTarget
 
+        @Parcelize
+        data object AdvancedSettings : NavTarget
+
         @Parcelize
         data object ConfigureTracing : NavTarget
 
@@ -106,6 +110,10 @@ class PreferencesFlowNode @AssistedInject constructor(
                     override fun onOpenNotificationSettings() {
                         backstack.push(NavTarget.NotificationSettings)
                     }
+
+                    override fun onOpenAdvancedSettings() {
+                        backstack.push(NavTarget.AdvancedSettings)
+                    }
                 }
                 createNode<PreferencesRootNode>(buildContext, plugins = listOf(callback))
             }
@@ -138,6 +146,9 @@ class PreferencesFlowNode @AssistedInject constructor(
                 val input = EditDefaultNotificationSettingNode.Inputs(navTarget.isOneToOne)
                 createNode<EditDefaultNotificationSettingNode>(buildContext, plugins = listOf(input))
             }
+            NavTarget.AdvancedSettings -> {
+                createNode<AdvancedSettingsNode>(buildContext)
+            }
         }
     }
 

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/advanced/AdvancedSettingsEvents.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2023 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
+ *
+ *     http://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.advanced
+
+sealed interface AdvancedSettingsEvents {
+    data class SetRichTextEditorEnabled(val enabled: Boolean) : AdvancedSettingsEvents
+    data class SetDeveloperModeEnabled(val enabled: Boolean) : AdvancedSettingsEvents
+}

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/advanced/AdvancedSettingsNode.kt

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2023 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
+ *
+ *     http://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.advanced
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.node.Node
+import com.bumble.appyx.core.plugin.Plugin
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedInject
+import io.element.android.anvilannotations.ContributesNode
+import io.element.android.libraries.di.SessionScope
+
+@ContributesNode(SessionScope::class)
+class AdvancedSettingsNode @AssistedInject constructor(
+    @Assisted buildContext: BuildContext,
+    @Assisted plugins: List<Plugin>,
+    private val presenter: AdvancedSettingsPresenter,
+) : Node(buildContext, plugins = plugins) {
+
+    @Composable
+    override fun View(modifier: Modifier) {
+        val state = presenter.present()
+        AdvancedSettingsView(
+            state = state,
+            modifier = modifier,
+            onBackPressed = ::navigateUp
+        )
+    }
+}

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/advanced/AdvancedSettingsPresenter.kt

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2023 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
+ *
+ *     http://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.advanced
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.rememberCoroutineScope
+import io.element.android.features.preferences.api.store.PreferencesStore
+import io.element.android.libraries.architecture.Presenter
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+class AdvancedSettingsPresenter @Inject constructor(
+    private val preferencesStore: PreferencesStore,
+) : Presenter<AdvancedSettingsState> {
+
+    @Composable
+    override fun present(): AdvancedSettingsState {
+        val localCoroutineScope = rememberCoroutineScope()
+        val isRichTextEditorEnabled by preferencesStore
+            .isRichTextEditorEnabledFlow()
+            .collectAsState(initial = false)
+        val isDeveloperModeEnabled by preferencesStore
+            .isDevelopModeEnabledFlow()
+            .collectAsState(initial = false)
+
+        fun handleEvents(event: AdvancedSettingsEvents) {
+            when (event) {
+                is AdvancedSettingsEvents.SetRichTextEditorEnabled -> localCoroutineScope.launch {
+                    preferencesStore.setRichTextEditorEnabled(event.enabled)
+                }
+                is AdvancedSettingsEvents.SetDeveloperModeEnabled -> localCoroutineScope.launch {
+                    preferencesStore.setDevelopModeEnabled(event.enabled)
+                }
+            }
+        }
+
+        return AdvancedSettingsState(
+            isRichTextEditorEnabled = isRichTextEditorEnabled,
+            isDeveloperModeEnabled = isDeveloperModeEnabled,
+            eventSink = ::handleEvents
+        )
+    }
+}

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/advanced/AdvancedSettingsState.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2023 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
+ *
+ *     http://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.advanced
+
+data class AdvancedSettingsState constructor(
+    val isRichTextEditorEnabled: Boolean,
+    val isDeveloperModeEnabled: Boolean,
+    val eventSink: (AdvancedSettingsEvents) -> Unit
+)

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/advanced/AdvancedSettingsStateProvider.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2023 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
+ *
+ *     http://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.advanced
+
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+
+open class AdvancedSettingsStateProvider : PreviewParameterProvider<AdvancedSettingsState> {
+    override val values: Sequence<AdvancedSettingsState>
+        get() = sequenceOf(
+            aAdvancedSettingsState(),
+            aAdvancedSettingsState(isRichTextEditorEnabled = true),
+            aAdvancedSettingsState(isDeveloperModeEnabled = true),
+        )
+}
+
+fun aAdvancedSettingsState(
+    isRichTextEditorEnabled: Boolean = false,
+    isDeveloperModeEnabled: Boolean = false,
+) = AdvancedSettingsState(
+    isRichTextEditorEnabled = isRichTextEditorEnabled,
+    isDeveloperModeEnabled = isDeveloperModeEnabled,
+    eventSink = {}
+)

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/advanced/AdvancedSettingsView.kt

@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2023 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
+ *
+ *     http://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.advanced
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.PreviewParameter
+import io.element.android.libraries.designsystem.components.preferences.PreferenceSwitch
+import io.element.android.libraries.designsystem.components.preferences.PreferenceView
+import io.element.android.libraries.designsystem.preview.DayNightPreviews
+import io.element.android.libraries.designsystem.preview.ElementPreview
+import io.element.android.libraries.ui.strings.CommonStrings
+
+@Composable
+fun AdvancedSettingsView(
+    state: AdvancedSettingsState,
+    onBackPressed: () -> Unit,
+    modifier: Modifier = Modifier,
+) {
+    PreferenceView(
+        modifier = modifier,
+        onBackPressed = onBackPressed,
+        title = stringResource(id = CommonStrings.common_advanced_settings)
+    ) {
+        PreferenceSwitch(
+            title = stringResource(id = CommonStrings.common_rich_text_editor),
+            // TODO i18n
+            subtitle = "Disable the rich text editor to type Markdown manually",
+            isChecked = state.isRichTextEditorEnabled,
+            onCheckedChange = { state.eventSink(AdvancedSettingsEvents.SetRichTextEditorEnabled(it)) },
+        )
+        PreferenceSwitch(
+            // TODO i18n
+            title = "Developer mode",
+            // TODO i18n
+            subtitle = "The developer mode activates hidden features. For developers only!",
+            isChecked = state.isDeveloperModeEnabled,
+            onCheckedChange = { state.eventSink(AdvancedSettingsEvents.SetDeveloperModeEnabled(it)) },
+        )
+    }
+}
+
+@DayNightPreviews
+@Composable
+internal fun AdvancedSettingsViewPreview(@PreviewParameter(AdvancedSettingsStateProvider::class) state: AdvancedSettingsState) =
+    ElementPreview {
+        AdvancedSettingsView(state = state, onBackPressed = { })
+    }

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/root/PreferencesRootNode.kt

@@ -46,6 +46,7 @@ class PreferencesRootNode @AssistedInject constructor(
         fun onOpenAbout()
         fun onOpenDeveloperSettings()
         fun onOpenNotificationSettings()
+        fun onOpenAdvancedSettings()
     }
 
     private fun onOpenBugReport() {
@@ -60,6 +61,10 @@ class PreferencesRootNode @AssistedInject constructor(
         plugins<Callback>().forEach { it.onOpenDeveloperSettings() }
     }
 
+    private fun onOpenAdvancedSettings() {
+        plugins<Callback>().forEach { it.onOpenAdvancedSettings() }
+    }
+
     private fun onOpenAnalytics() {
         plugins<Callback>().forEach { it.onOpenAnalytics() }
     }
@@ -100,6 +105,7 @@ class PreferencesRootNode @AssistedInject constructor(
             onOpenAbout = this::onOpenAbout,
             onVerifyClicked = this::onVerifyClicked,
             onOpenDeveloperSettings = this::onOpenDeveloperSettings,
+            onOpenAdvancedSettings = this::onOpenAdvancedSettings,
             onSuccessLogout = { onSuccessLogout(activity, it) },
             onManageAccountClicked = { onManageAccountClicked(activity, it, isDark) },
             onOpenNotificationSettings = this::onOpenNotificationSettings

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/root/PreferencesRootView.kt

@@ -25,6 +25,7 @@ import androidx.compose.material.icons.outlined.Help
 import androidx.compose.material.icons.outlined.InsertChart
 import androidx.compose.material.icons.outlined.Notifications
 import androidx.compose.material.icons.outlined.OpenInNew
+import androidx.compose.material.icons.outlined.Settings
 import androidx.compose.material.icons.outlined.VerifiedUser
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
@@ -58,6 +59,7 @@ fun PreferencesRootView(
     onOpenRageShake: () -> Unit,
     onOpenAbout: () -> Unit,
     onOpenDeveloperSettings: () -> Unit,
+    onOpenAdvancedSettings: () -> Unit,
     onSuccessLogout: (logoutUrlResult: String?) -> Unit,
     onOpenNotificationSettings: () -> Unit,
     modifier: Modifier = Modifier,
@@ -125,6 +127,13 @@ fun PreferencesRootView(
             DeveloperPreferencesView(onOpenDeveloperSettings)
             HorizontalDivider()
         }
+        HorizontalDivider()
+        PreferenceText(
+            title = stringResource(id = CommonStrings.common_advanced_settings),
+            icon = Icons.Outlined.Settings,
+            onClick = onOpenAdvancedSettings,
+        )
+        HorizontalDivider()
         LogoutPreferenceView(
             state = state.logoutState,
             onSuccessLogout = onSuccessLogout,
@@ -168,6 +177,7 @@ private fun ContentToPreview(matrixUser: MatrixUser) {
         onOpenAnalytics = {},
         onOpenRageShake = {},
         onOpenDeveloperSettings = {},
+        onOpenAdvancedSettings = {},
         onOpenAbout = {},
         onVerifyClicked = {},
         onSuccessLogout = {},

libraries/preferences/api/build.gradle.kts

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2023 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
+ *
+ *     http://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.
+ */
+
+plugins {
+    id("io.element.android-library")
+}
+
+android {
+    namespace = "io.element.android.libraries.preferences.api"
+}
+
+dependencies {
+    implementation(libs.coroutines.core)
+}

libraries/preferences/api/src/main/kotlin/io/element/android/features/preferences/api/store/PreferencesStore.kt

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2023 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
+ *
+ *     http://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.store
+
+import kotlinx.coroutines.flow.Flow
+
+interface PreferencesStore {
+    suspend fun setRichTextEditorEnabled(enabled: Boolean)
+    fun isRichTextEditorEnabledFlow(): Flow<Boolean>
+
+    suspend fun setDevelopModeEnabled(enabled: Boolean)
+    fun isDevelopModeEnabledFlow(): Flow<Boolean>
+
+    suspend fun reset()
+}

libraries/preferences/impl/build.gradle.kts

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2023 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
+ *
+ *     http://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.
+ */
+
+plugins {
+    id("io.element.android-library")
+    alias(libs.plugins.anvil)
+}
+
+android {
+    namespace = "io.element.android.libraries.preferences.impl"
+}
+
+anvil {
+    generateDaggerFactories.set(true)
+}
+
+dependencies {
+    api(projects.libraries.preferences.api)
+    implementation(libs.dagger)
+    implementation(libs.androidx.datastore.preferences)
+    implementation(projects.libraries.di)
+    implementation(projects.libraries.core)
+}

libraries/preferences/impl/src/main/kotlin/io/element/android/libraries/preferences/impl/store/DefaultPreferencesStore.kt

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2023 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
+ *
+ *     http://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.libraries.preferences.impl.store
+
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.booleanPreferencesKey
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.preferencesDataStore
+import com.squareup.anvil.annotations.ContributesBinding
+import io.element.android.features.preferences.api.store.PreferencesStore
+import io.element.android.libraries.core.bool.orFalse
+import io.element.android.libraries.core.bool.orTrue
+import io.element.android.libraries.di.AppScope
+import io.element.android.libraries.di.ApplicationContext
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import javax.inject.Inject
+
+private val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = "elementx_preferences")
+
+private val richTextEditorKey = booleanPreferencesKey("richTextEditor")
+private val developerModeKey = booleanPreferencesKey("developerMode")
+
+@ContributesBinding(AppScope::class)
+class DefaultPreferencesStore @Inject constructor(
+    @ApplicationContext context: Context
+) : PreferencesStore {
+    private val store = context.dataStore
+
+    override suspend fun setRichTextEditorEnabled(enabled: Boolean) {
+        store.edit { prefs ->
+            prefs[richTextEditorKey] = enabled
+        }
+    }
+
+    override fun isRichTextEditorEnabledFlow(): Flow<Boolean> {
+        return store.data.map { prefs ->
+            // enabled by default
+            prefs[richTextEditorKey].orTrue()
+        }
+    }
+
+    override suspend fun setDevelopModeEnabled(enabled: Boolean) {
+        store.edit { prefs ->
+            prefs[developerModeKey] = enabled
+        }
+    }
+
+    override fun isDevelopModeEnabledFlow(): Flow<Boolean> {
+        return store.data.map { prefs ->
+            // disabled by default
+            prefs[developerModeKey].orFalse()
+        }
+    }
+
+    override suspend fun reset() {
+        store.edit { it.clear() }
+    }
+}

libraries/preferences/test/build.gradle.kts

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2023 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
+ *
+ *     http://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.
+ */
+
+plugins {
+    id("io.element.android-library")
+}
+
+android {
+    namespace = "io.element.android.libraries.preferences.test"
+
+    dependencies {
+        api(projects.libraries.preferences.api)
+        implementation(libs.coroutines.core)
+    }
+}

libraries/preferences/test/src/main/kotlin/io/element/android/libraries/featureflag/test/InMemoryPreferencesStore.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2023 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
+ *
+ *     http://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.libraries.featureflag.test
+
+import io.element.android.features.preferences.api.store.PreferencesStore
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+
+class InMemoryPreferencesStore(
+    isRichTextEditorEnabled: Boolean = false,
+    isDeveloperModeEnabled: Boolean = false,
+) : PreferencesStore {
+    private var _isRichTextEditorEnabled = MutableStateFlow(isRichTextEditorEnabled)
+    private var _isDeveloperModeEnabled = MutableStateFlow(isDeveloperModeEnabled)
+
+    override suspend fun setRichTextEditorEnabled(enabled: Boolean) {
+        _isRichTextEditorEnabled.value = enabled
+    }
+
+    override fun isRichTextEditorEnabledFlow(): Flow<Boolean> {
+        return _isRichTextEditorEnabled
+    }
+
+    override suspend fun setDevelopModeEnabled(enabled: Boolean) {
+        _isDeveloperModeEnabled.value = enabled
+    }
+
+    override fun isDevelopModeEnabledFlow(): Flow<Boolean> {
+        return _isDeveloperModeEnabled
+    }
+
+    override suspend fun reset() {
+        // No op
+    }
+}

plugins/src/main/kotlin/extension/DependencyHandleScope.kt

@@ -92,6 +92,7 @@ fun DependencyHandlerScope.allLibrariesImpl() {
     implementation(project(":libraries:pushproviders:unifiedpush"))
     implementation(project(":libraries:featureflag:impl"))
     implementation(project(":libraries:pushstore:impl"))
+    implementation(project(":libraries:preferences:impl"))
     implementation(project(":libraries:architecture"))
     implementation(project(":libraries:dateformatter:impl"))
     implementation(project(":libraries:di"))