Display member label on recipient details sheet.

app/src/main/java/org/thoughtcrime/securesms/groups/memberlabel/MemberLabelPill.kt

@@ -0,0 +1,97 @@
+/*
+ * Copyright 2026 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.groups.memberlabel
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.compositeOver
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.unit.dp
+import org.signal.core.ui.compose.DayNightPreviews
+import org.signal.core.ui.compose.Previews
+
+/**
+ * Displays member label text with an optional emoji.
+ */
+@Composable
+fun MemberLabelPill(
+  emoji: String?,
+  text: String,
+  tintColor: Color,
+  modifier: Modifier = Modifier.padding(horizontal = 12.dp, vertical = 2.dp),
+  textStyle: TextStyle = MaterialTheme.typography.bodyLarge
+) {
+  val isDark = isSystemInDarkTheme()
+  val backgroundColor = tintColor.copy(alpha = if (isDark) 0.32f else 0.10f)
+
+  val textColor = if (isDark) {
+    Color.White.copy(alpha = 0.25f).compositeOver(tintColor)
+  } else {
+    Color.Black.copy(alpha = 0.30f).compositeOver(tintColor)
+  }
+
+  Row(
+    modifier = Modifier
+      .background(
+        color = backgroundColor,
+        shape = RoundedCornerShape(percent = 50)
+      )
+      .then(modifier),
+    verticalAlignment = Alignment.CenterVertically
+  ) {
+    if (!emoji.isNullOrEmpty()) {
+      Text(
+        text = emoji,
+        style = textStyle,
+        modifier = Modifier.padding(end = 5.dp)
+      )
+    }
+
+    if (text.isNotEmpty()) {
+      Text(
+        text = text,
+        color = textColor,
+        style = textStyle,
+        maxLines = 1
+      )
+    }
+  }
+}
+
+@DayNightPreviews
+@Composable
+private fun MemberLabelWithEmojiPreview() = Previews.Preview {
+  Box(modifier = Modifier.width(200.dp)) {
+    MemberLabelPill(
+      emoji = "🧠",
+      text = "Zero-Knowledge Know-It-All",
+      tintColor = Color(0xFF7A3DF5)
+    )
+  }
+}
+
+@DayNightPreviews
+@Composable
+private fun MemberLabelTextOnlyPreview() = Previews.Preview {
+  Box(modifier = Modifier.width(200.dp)) {
+    MemberLabelPill(
+      emoji = null,
+      text = "Zero-Knowledge Know-It-All",
+      tintColor = Color(0xFF7A3DF5)
+    )
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/groups/memberlabel/MemberLabelPillView.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2026 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.groups.memberlabel
+
+import android.content.Context
+import android.util.AttributeSet
+import androidx.annotation.ColorInt
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.AbstractComposeView
+
+/**
+ * @see MemberLabelPill
+ */
+class MemberLabelPillView : AbstractComposeView {
+  constructor(context: Context) : super(context)
+  constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
+  constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr)
+
+  private var memberLabel: MemberLabel? by mutableStateOf(null)
+  private var tintColor: Color by mutableStateOf(Color.Unspecified)
+
+  fun setLabel(label: MemberLabel, tintColor: Color) {
+    this.memberLabel = label
+    this.tintColor = tintColor
+  }
+
+  fun setLabel(label: MemberLabel, @ColorInt tintColor: Int) {
+    this.memberLabel = label
+    this.tintColor = Color(tintColor)
+  }
+
+  @Composable
+  override fun Content() {
+    memberLabel?.let { label ->
+      MemberLabelPill(
+        emoji = label.emoji,
+        text = label.text,
+        tintColor = tintColor
+      )
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/groups/memberlabel/MemberLabelRepository.kt

@@ -6,7 +6,9 @@
 package org.thoughtcrime.securesms.groups.memberlabel
 
 import android.content.Context
+import androidx.annotation.WorkerThread
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.withContext
 import org.signal.core.models.ServiceId
 import org.signal.core.util.orNull
@@ -22,26 +24,45 @@ import org.thoughtcrime.securesms.util.RemoteConfig
 /**
  * Handles the retrieval and modification of group member labels.
  */
-class MemberLabelRepository(
-  private val groupId: GroupId.V2,
+class MemberLabelRepository private constructor(
   private val context: Context = AppDependencies.application,
   private val groupsTable: GroupTable = SignalDatabase.groups
 ) {
+  companion object {
+    @JvmStatic
+    val instance: MemberLabelRepository by lazy { MemberLabelRepository() }
+  }
+
   /**
    * Gets the member label for a specific recipient in the group.
    */
-  suspend fun getLabel(recipientId: RecipientId): MemberLabel? = withContext(Dispatchers.IO) {
-    val recipient = Recipient.resolved(recipientId)
+  suspend fun getLabel(groupId: GroupId.V2, recipientId: RecipientId): MemberLabel? = withContext(Dispatchers.IO) {
+    getLabel(groupId, Recipient.resolved(recipientId))
+  }
+
+  /**
+   * Gets the member label for a specific recipient in the group (blocking version for Java compatibility).
+   */
+  @WorkerThread
+  fun getLabelJava(groupId: GroupId.V2, recipient: Recipient): MemberLabel? = runBlocking { getLabel(groupId, recipient) }
+
+  /**
+   * Gets the member label for a specific recipient in the group.
+   */
+  suspend fun getLabel(groupId: GroupId.V2, recipient: Recipient): MemberLabel? = withContext(Dispatchers.IO) {
+    if (!RemoteConfig.receiveMemberLabels) {
+      return@withContext null
+    }
+
     val aci = recipient.serviceId.orNull() as? ServiceId.ACI ?: return@withContext null
     val groupRecord = groupsTable.getGroup(groupId).orNull() ?: return@withContext null
-
     return@withContext groupRecord.requireV2GroupProperties().memberLabel(aci)
   }
 
   /**
    * Sets the group member label for the current user.
    */
-  suspend fun setLabel(label: MemberLabel): Unit = withContext(Dispatchers.IO) {
+  suspend fun setLabel(groupId: GroupId.V2, label: MemberLabel): Unit = withContext(Dispatchers.IO) {
     if (!RemoteConfig.sendMemberLabels) {
       throw IllegalStateException("Set member label not allowed due to remote config.")
     }

app/src/main/java/org/thoughtcrime/securesms/groups/memberlabel/MemberLabelViewModel.kt

@@ -21,18 +21,11 @@ private const val MIN_LABEL_TEXT_LENGTH = 1
 private const val MAX_LABEL_TEXT_LENGTH = 24
 
 class MemberLabelViewModel(
-  private val memberLabelRepo: MemberLabelRepository,
+  private val memberLabelRepo: MemberLabelRepository = MemberLabelRepository.instance,
+  private val groupId: GroupId.V2,
   private val recipientId: RecipientId
 ) : ViewModel() {
 
-  constructor(
-    groupId: GroupId.V2,
-    recipientId: RecipientId
-  ) : this(
-    memberLabelRepo = MemberLabelRepository(groupId = groupId),
-    recipientId = recipientId
-  )
-
   private var originalLabelEmoji: String = ""
   private var originalLabelText: String = ""
 
@@ -45,7 +38,7 @@ class MemberLabelViewModel(
 
   private fun loadExistingLabel() {
     viewModelScope.launch(SignalDispatchers.IO) {
-      val memberLabel = memberLabelRepo.getLabel(recipientId)
+      val memberLabel = memberLabelRepo.getLabel(groupId, recipientId)
       originalLabelEmoji = memberLabel?.emoji.orEmpty()
       originalLabelText = memberLabel?.text.orEmpty()
 
@@ -103,6 +96,7 @@ class MemberLabelViewModel(
 
       val currentState = internalUiState.value
       memberLabelRepo.setLabel(
+        groupId = groupId,
         label = MemberLabel(
           emoji = currentState.labelEmoji.ifEmpty { null },
           text = currentState.labelText