fix: blinking placeholder avatar on profile screen [WPB-3917] (#2184)

app/src/main/kotlin/com/wire/android/model/ImageAsset.kt

@@ -74,7 +74,10 @@ sealed class ImageAsset(private val imageLoader: WireSessionImageLoader) {
     }
 
     @Composable
-    fun paint(fallbackData: Any? = null) = imageLoader.paint(asset = this, fallbackData)
+    fun paint(
+        fallbackData: Any? = null,
+        withCrossfadeAnimation: Boolean = false
+    ) = imageLoader.paint(asset = this, fallbackData = fallbackData, withCrossfadeAnimation = withCrossfadeAnimation)
 }
 
 fun String.parseIntoPrivateImageAsset(

app/src/main/kotlin/com/wire/android/model/UserAvatarData.kt

@@ -20,10 +20,12 @@
 
 package com.wire.android.model
 
+import androidx.compose.runtime.Stable
 import com.wire.android.ui.home.conversationslist.model.Membership
 import com.wire.kalium.logic.data.user.ConnectionState
 import com.wire.kalium.logic.data.user.UserAvailabilityStatus
 
+@Stable
 data class UserAvatarData(
     val asset: ImageAsset.UserAvatarAsset? = null,
     val availabilityStatus: UserAvailabilityStatus = UserAvailabilityStatus.NONE,

app/src/main/kotlin/com/wire/android/ui/common/UserProfileAvatar.kt

@@ -32,6 +32,8 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.painter.ColorPainter
 import androidx.compose.ui.graphics.painter.Painter
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.platform.LocalInspectionMode
@@ -54,10 +56,10 @@ fun UserProfileAvatar(
     avatarData: UserAvatarData = UserAvatarData(),
     size: Dp = MaterialTheme.wireDimensions.userAvatarDefaultSize,
     modifier: Modifier = Modifier,
-    clickable: Clickable? = null
+    clickable: Clickable? = null,
+    showPlaceholderIfNoAsset: Boolean = true,
+    withCrossfadeAnimation: Boolean = false,
 ) {
-    val painter = painter(avatarData)
-
     Box(
         contentAlignment = Alignment.Center,
         modifier = modifier
@@ -66,6 +68,7 @@ fun UserProfileAvatar(
             .clickable(clickable)
             .padding(MaterialTheme.wireDimensions.userAvatarClickablePadding)
     ) {
+        val painter = painter(avatarData, showPlaceholderIfNoAsset, withCrossfadeAnimation)
         Image(
             painter = painter,
             contentDescription = stringResource(R.string.content_description_user_avatar),
@@ -89,20 +92,39 @@ fun UserProfileAvatar(
  * @see [painter] https://developer.android.com/jetpack/compose/tooling
  */
 @Composable
-private fun painter(data: UserAvatarData): Painter = if (data.connectionState == ConnectionState.BLOCKED) {
-    painterResource(id = R.drawable.ic_blocked_user_avatar)
-} else if (LocalInspectionMode.current || data.asset == null) {
-    getDefaultAvatar(membership = data.membership)
-} else {
-    data.asset.paint(R.drawable.ic_default_user_avatar)
+private fun painter(
+    data: UserAvatarData,
+    showPlaceholderIfNoAsset: Boolean = true,
+    withCrossfadeAnimation: Boolean = false,
+): Painter = when {
+    LocalInspectionMode.current -> {
+        getDefaultAvatar(membership = data.membership)
+    }
+
+    data.connectionState == ConnectionState.BLOCKED -> {
+        painterResource(id = R.drawable.ic_blocked_user_avatar)
+    }
+
+    data.asset == null -> {
+        if (showPlaceholderIfNoAsset) getDefaultAvatar(membership = data.membership)
+        else ColorPainter(Color.Transparent)
+    }
+
+    else -> {
+        data.asset.paint(getDefaultAvatarResourceId(membership = data.membership), withCrossfadeAnimation)
+    }
 }
 
 @Composable
 private fun getDefaultAvatar(membership: Membership): Painter =
+    painterResource(id = getDefaultAvatarResourceId(membership))
+
+@Composable
+private fun getDefaultAvatarResourceId(membership: Membership): Int =
     if (membership == Membership.Service) {
-        painterResource(id = R.drawable.ic_default_service_avatar)
+        R.drawable.ic_default_service_avatar
     } else {
-        painterResource(id = R.drawable.ic_default_user_avatar)
+        R.drawable.ic_default_user_avatar
     }
 
 @Preview

app/src/main/kotlin/com/wire/android/ui/userprofile/common/UserProfileInfo.kt

@@ -20,12 +20,16 @@
 
 package com.wire.android.ui.userprofile.common
 
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.Crossfade
+import androidx.compose.animation.animateContentSize
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.wrapContentHeight
 import androidx.compose.foundation.layout.wrapContentSize
 import androidx.compose.foundation.shape.CircleShape
@@ -35,6 +39,10 @@ import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberUpdatedState
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Alignment.Companion.CenterHorizontally
 import androidx.compose.ui.Modifier
@@ -55,13 +63,15 @@ import com.wire.android.ui.common.dimensions
 import com.wire.android.ui.common.progress.WireCircularProgressIndicator
 import com.wire.android.ui.home.conversationslist.model.Membership
 import com.wire.android.ui.theme.wireColorScheme
-import com.wire.android.ui.theme.wireDimensions
 import com.wire.android.ui.theme.wireTypography
 import com.wire.android.util.debug.LocalFeatureVisibilityFlags
 import com.wire.android.util.ifNotEmpty
 import com.wire.android.util.ui.UIText
 import com.wire.kalium.logic.data.user.ConnectionState
 import com.wire.kalium.logic.data.user.UserId
+import kotlinx.coroutines.delay
+import kotlin.time.Duration
+import kotlin.time.Duration.Companion.milliseconds
 
 @Composable
 fun UserProfileInfo(
@@ -75,7 +85,8 @@ fun UserProfileInfo(
     onUserProfileClick: (() -> Unit)? = null,
     editableState: EditableState,
     modifier: Modifier = Modifier,
-    connection: ConnectionState = ConnectionState.ACCEPTED
+    connection: ConnectionState = ConnectionState.ACCEPTED,
+    delayToShowPlaceholderIfNoAsset: Duration = 200.milliseconds,
 ) {
     Column(
         horizontalAlignment = CenterHorizontally,
@@ -86,27 +97,48 @@ fun UserProfileInfo(
             .padding(top = dimensions().spacing16x)
     ) {
         Box(contentAlignment = Alignment.Center) {
-            UserProfileAvatar(
-                size = dimensions().userAvatarDefaultBigSize,
-                avatarData = UserAvatarData(
-                    asset = avatarAsset,
-                    connectionState = connection,
-                    membership = membership
-                ),
-                clickable = Clickable(
-                    enabled = true,
-                    clickBlockParams = ClickBlockParams(blockWhenSyncing = true, blockWhenConnecting = true),
-                ) { onUserProfileClick?.invoke() }
+            val userAvatarData = UserAvatarData(
+                asset = avatarAsset,
+                connectionState = connection,
+                membership = membership
             )
-            if (isLoading) {
+            val showPlaceholderIfNoAsset = remember { mutableStateOf(!delayToShowPlaceholderIfNoAsset.isPositive()) }
+            val currentAssetIsNull = rememberUpdatedState(avatarAsset == null)
+            if (delayToShowPlaceholderIfNoAsset.isPositive()) {
+                LaunchedEffect(Unit) {
+                    delay(delayToShowPlaceholderIfNoAsset)
+                    showPlaceholderIfNoAsset.value = currentAssetIsNull.value // show placeholder if there is still no proper avatar data
+                }
+            }
+            Crossfade(
+                targetState = userAvatarData to showPlaceholderIfNoAsset.value,
+                label = "UserProfileInfoAvatar"
+            ) { (userAvatarData, showPlaceholderIfNoAsset) ->
+                UserProfileAvatar(
+                    size = dimensions().userAvatarDefaultBigSize,
+                    avatarData = userAvatarData,
+                    clickable = remember(editableState) {
+                        Clickable(
+                            enabled = editableState is EditableState.IsEditable,
+                            clickBlockParams = ClickBlockParams(blockWhenSyncing = true, blockWhenConnecting = true),
+                        ) { onUserProfileClick?.invoke() }
+                    },
+                    showPlaceholderIfNoAsset = showPlaceholderIfNoAsset,
+                    withCrossfadeAnimation = true,
+                )
+            }
+            this@Column.AnimatedVisibility(visible = isLoading) {
                 Box(
                     Modifier
-                        .padding(MaterialTheme.wireDimensions.userAvatarClickablePadding)
+                        .padding(dimensions().userAvatarClickablePadding)
+                        .size(dimensions().userAvatarDefaultBigSize)
                         .clip(CircleShape)
-                        .background(MaterialTheme.wireColorScheme.onBackground.copy(alpha = 0.7f))
+                        .background(MaterialTheme.wireColorScheme.background.copy(alpha = 0.6f))
                 ) {
                     WireCircularProgressIndicator(
-                        progressColor = MaterialTheme.wireColorScheme.surface,
+                        size = dimensions().spacing32x,
+                        strokeWidth = dimensions().spacing4x,
+                        progressColor = MaterialTheme.wireColorScheme.onBackground,
                         modifier = Modifier.align(Alignment.Center)
                     )
                 }
@@ -116,6 +148,7 @@ fun UserProfileInfo(
             Modifier
                 .fillMaxWidth()
                 .wrapContentHeight()
+                .animateContentSize()
         ) {
             val (userDescription, editButton, teamDescription) = createRefs()
 
@@ -132,7 +165,10 @@ fun UserProfileInfo(
                     }
             ) {
                 Text(
-                    text = fullName.ifBlank { UIText.StringResource(R.string.username_unavailable_label).asString() },
+                    text = fullName.ifBlank {
+                        if (isLoading) ""
+                        else UIText.StringResource(R.string.username_unavailable_label).asString()
+                    },
                     overflow = TextOverflow.Ellipsis,
                     maxLines = 1,
                     style = MaterialTheme.wireTypography.title02,

app/src/main/kotlin/com/wire/android/ui/userprofile/other/OtherUserConnectionStatusInfo.kt

@@ -35,6 +35,7 @@ import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
 import com.wire.android.R
 import com.wire.android.ui.common.dimensions
+import com.wire.android.ui.common.spacers.VerticalSpace
 import com.wire.android.ui.home.conversationslist.model.Membership
 import com.wire.android.ui.theme.wireColorScheme
 import com.wire.android.ui.theme.wireTypography
@@ -73,6 +74,7 @@ fun OtherUserConnectionStatusInfo(connectionStatus: ConnectionState, membership:
                     color = MaterialTheme.wireColorScheme.labelText,
                     style = MaterialTheme.wireTypography.body01
                 )
+                VerticalSpace.x24()
             }
         }
     }

app/src/main/kotlin/com/wire/android/ui/userprofile/other/OtherUserProfileScreen.kt

@@ -83,7 +83,6 @@ import com.wire.android.ui.common.dialogs.UnblockUserDialogContent
 import com.wire.android.ui.common.dialogs.UnblockUserDialogState
 import com.wire.android.ui.common.dimensions
 import com.wire.android.ui.common.snackbar.SwipeDismissSnackbarHost
-import com.wire.android.ui.common.spacers.VerticalSpace.x24
 import com.wire.android.ui.common.topBarElevation
 import com.wire.android.ui.common.topappbar.NavigationIconType
 import com.wire.android.ui.common.topappbar.WireCenterAlignedTopAppBar
@@ -348,21 +347,20 @@ private fun TopBarHeader(
     )
 }
 
-@SuppressLint("UnusedCrossfadeTargetStateParameter")
 @Composable
 private fun TopBarCollapsing(state: OtherUserProfileState) {
-    Crossfade(targetState = state.isDataLoading, label = "OtherUserProfileScreenTopBarCollapsing") {
+    Crossfade(targetState = state, label = "OtherUserProfileScreenTopBarCollapsing") { targetState ->
         UserProfileInfo(
-            userId = state.userId,
-            isLoading = state.isAvatarLoading,
-            avatarAsset = state.userAvatarAsset,
-            fullName = state.fullName,
-            userName = state.userName,
-            teamName = state.teamName,
-            membership = state.membership,
+            userId = targetState.userId,
+            isLoading = targetState.isAvatarLoading,
+            avatarAsset = targetState.userAvatarAsset,
+            fullName = targetState.fullName,
+            userName = targetState.userName,
+            teamName = targetState.teamName,
+            membership = targetState.membership,
             editableState = EditableState.NotEditable,
             modifier = Modifier.padding(bottom = dimensions().spacing16x),
-            connection = state.connectionState
+            connection = targetState.connectionState
         )
     }
 }
@@ -414,8 +412,9 @@ private fun Content(
 
     Crossfade(targetState = tabItems to state, label = "OtherUserProfile") { (tabItems, state) ->
         Column {
-            OtherUserConnectionStatusInfo(state.connectionState, state.membership)
-            x24()
+            if (!state.isDataLoading) {
+                OtherUserConnectionStatusInfo(state.connectionState, state.membership)
+            }
             when {
                 state.isDataLoading || state.botService != null -> Box {} // no content visible while loading
                 state.connectionState == ConnectionState.ACCEPTED -> {

app/src/main/kotlin/com/wire/android/ui/userprofile/self/SelfUserProfileViewModel.kt

@@ -94,7 +94,7 @@ class SelfUserProfileViewModel @Inject constructor(
     private val notificationManager: WireNotificationManager
 ) : ViewModel() {
 
-    var userProfileState by mutableStateOf(SelfUserProfileState(selfUserId))
+    var userProfileState by mutableStateOf(SelfUserProfileState(userId = selfUserId, isAvatarLoading = true))
         private set
 
     private lateinit var establishedCallsList: StateFlow<List<Call>>
@@ -154,7 +154,8 @@ class SelfUserProfileViewModel @Inject constructor(
                             userName = handle.orEmpty(),
                             teamName = selfTeam?.name,
                             otherAccounts = otherAccounts,
-                            avatarAsset = userProfileState.avatarAsset
+                            avatarAsset = userProfileState.avatarAsset,
+                            isAvatarLoading = false,
                         )
                     }
                 }

app/src/main/kotlin/com/wire/android/util/ui/WireSessionImageLoader.kt

@@ -77,7 +77,8 @@ class WireSessionImageLoader(
     @Composable
     fun paint(
         asset: ImageAsset?,
-        fallbackData: Any? = null
+        fallbackData: Any? = null,
+        withCrossfadeAnimation: Boolean = false,
     ): Painter {
         var retryHash by remember { mutableStateOf(0) }
         val exponentialDurationHelper = remember { ExponentialDurationHelperImpl(MIN_RETRY_DELAY, MAX_RETRY_DELAY) }
@@ -90,9 +91,9 @@ class WireSessionImageLoader(
                     value = retryHash,
                     memoryCacheKey = null
                 )
+                .crossfade(withCrossfadeAnimation)
                 .build(),
             error = (fallbackData as? Int)?.let { painterResource(id = it) },
-            placeholder = (fallbackData as? Int)?.let { painterResource(id = it) },
             imageLoader = coilImageLoader
         )