Top app bar for the start chat screen

features/createroom/src/main/kotlin/io/element/android/features/createroom/root/CreateRoomRootScreen.kt

@@ -16,48 +16,66 @@
 
 package io.element.android.features.createroom.root
 
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.displayCutoutPadding
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.tooling.preview.PreviewParameter
+import androidx.compose.ui.unit.sp
+import io.element.android.libraries.designsystem.R
 import io.element.android.libraries.designsystem.preview.ElementPreviewDark
 import io.element.android.libraries.designsystem.preview.ElementPreviewLight
+import io.element.android.libraries.designsystem.theme.components.CenterAlignedTopAppBar
 import io.element.android.libraries.designsystem.theme.components.Icon
 import io.element.android.libraries.designsystem.theme.components.IconButton
+import io.element.android.libraries.designsystem.theme.components.Scaffold
 import io.element.android.libraries.designsystem.theme.components.Text
-import io.element.android.libraries.designsystem.R.drawable as DrawableR
 import io.element.android.libraries.ui.strings.R.string as StringR
 
+@OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun CreateRoomRootScreen(
     state: CreateRoomRootState,
     modifier: Modifier = Modifier,
-    onBackPressed: () -> Unit = {}
+    onClosePressed: () -> Unit = {}
 ) {
-    Box(
-        modifier = modifier
-            .fillMaxWidth()
-            .displayCutoutPadding(),
-    ) {
-        Text(
-            text = stringResource(id = StringR.create_chat),
-            modifier = Modifier.align(Alignment.Center)
-        )
-        IconButton(
-            modifier = Modifier
-                .align(Alignment.CenterEnd),
-            onClick = onBackPressed,
-        ) {
-            Icon(resourceId = DrawableR.ic_close, contentDescription = stringResource(id = StringR.action_close))
+    Scaffold(
+        modifier = modifier.fillMaxWidth(),
+        // TODO to test
+        //.displayCutoutPadding()
+        topBar = {
+            CreateRoomViewTopBar(onClosePressed = onClosePressed)
         }
+    ) {
     }
 }
 
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CreateRoomViewTopBar(
+    modifier: Modifier = Modifier,
+    onClosePressed: () -> Unit = {},
+) {
+    CenterAlignedTopAppBar(
+        modifier = modifier,
+        title = {
+            Text(
+                text = stringResource(id = StringR.start_chat),
+                fontSize = 16.sp,
+                fontWeight = FontWeight.SemiBold,
+            )
+        },
+        actions = {
+            IconButton(onClick = onClosePressed) {
+                Icon(resourceId = R.drawable.ic_close, contentDescription = stringResource(id = StringR.action_close))
+            }
+        }
+    )
+}
+
 @Preview
 @Composable
 fun CreateRoomRootViewLightPreview(@PreviewParameter(CreateRoomRootStateProvider::class) state: CreateRoomRootState) =

libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/theme/components/CenterAlignedTopAppBar.kt

@@ -0,0 +1,68 @@
+/*
+ * 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.
+ */
+
+@file:OptIn(ExperimentalMaterial3Api::class)
+
+package io.element.android.libraries.designsystem.theme.components
+
+import androidx.compose.foundation.layout.RowScope
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.TopAppBarColors
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.material3.TopAppBarScrollBehavior
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import io.element.android.libraries.designsystem.preview.ElementPreviewDark
+import io.element.android.libraries.designsystem.preview.ElementPreviewLight
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CenterAlignedTopAppBar(
+    title: @Composable () -> Unit,
+    modifier: Modifier = Modifier,
+    navigationIcon: @Composable () -> Unit = {},
+    actions: @Composable RowScope.() -> Unit = {},
+    windowInsets: WindowInsets = TopAppBarDefaults.windowInsets,
+    colors: TopAppBarColors = TopAppBarDefaults.smallTopAppBarColors(),
+    scrollBehavior: TopAppBarScrollBehavior? = null
+) {
+    androidx.compose.material3.CenterAlignedTopAppBar(
+        title = title,
+        modifier = modifier,
+        navigationIcon = navigationIcon,
+        actions = actions,
+        windowInsets = windowInsets,
+        colors = colors,
+        scrollBehavior = scrollBehavior,
+    )
+}
+
+@Preview
+@Composable
+internal fun CenterAlignedTopAppBarLightPreview() =
+    ElementPreviewLight { ContentToPreview() }
+
+@Preview
+@Composable
+internal fun CenterAlignedTopAppBarDarkPreview() =
+    ElementPreviewDark { ContentToPreview() }
+
+@Composable
+private fun ContentToPreview() {
+    TopAppBar(title = { Text(text = "Title") })
+}

libraries/ui-strings/src/main/res/values/strings_eax.xml

@@ -14,6 +14,5 @@
     <string name="server_selection_server_footer">You can only connect to an existing server that supports sliding sync. Your homeserver admin will need to configure it.</string>
     <string name="server_selection_sliding_sync_alert_title">Server not supported</string>
     <string name="server_selection_sliding_sync_alert_message">This server currently doesn\'t support sliding sync.</string>
-    <string name="create_chat">Create chat</string>
 
 </resources>