android: fix issue where default avatar wasn't shown (#558)

Always render the default icon first so that if the profile picture is not loaded or has an issue, the default is shown.

Fixes tailscale/corp#24217

Signed-off-by: kari-ts <kari@tailscale.com>

Author: kari-ts

android/src/main/java/com/tailscale/ipn/ui/view/Avatar.kt

@@ -43,43 +43,53 @@ fun Avatar(
   var isFocused = remember { mutableStateOf(false) }
   val focusManager = LocalFocusManager.current
 
-  // Determine the modifier based on whether the avatar is focusable
-  val outerModifier =
-      Modifier.then(
-              if (isFocusable) {
-                Modifier.padding(4.dp)
-              } else Modifier) // Add padding if focusable
-          .size((size * 1.5f).dp)
-          .clip(CircleShape)
-          .background(if (isFocused.value) MaterialTheme.colorScheme.surface else Color.Transparent)
-          .onFocusChanged { focusState -> isFocused.value = focusState.isFocused }
-          .then(if (isFocusable) Modifier.focusable() else Modifier) // Conditionally add focusable
-          .clickable(
-              interactionSource = remember { MutableInteractionSource() },
-              indication = ripple(bounded = true),
-              onClick = {
-                action?.invoke()
-                focusManager.clearFocus() // Clear focus after clicking
-              })
-
-  // Outer Box for the larger focusable and clickable area
-  Box(contentAlignment = Alignment.Center, modifier = outerModifier) {
-    // Inner Box to hold the avatar content (Icon or AsyncImage)
-    Box(contentAlignment = Alignment.Center, modifier = Modifier.size(size.dp).clip(CircleShape)) {
-      if (profile?.UserProfile?.ProfilePicURL != null) {
-        AsyncImage(
-            model = profile.UserProfile.ProfilePicURL,
-            modifier = Modifier.size(size.dp).clip(CircleShape),
-            contentDescription = null)
-      } else {
-        Icon(
-            imageVector = Icons.Default.Person,
-            contentDescription = stringResource(R.string.settings_title),
-            modifier =
-                Modifier.size((size * 0.8f).dp)
-                    .clip(CircleShape) // Icon size slightly smaller than the Box
+    // Outer Box for the larger focusable and clickable area
+    Box(
+        contentAlignment = Alignment.Center,
+        modifier = Modifier
+            .padding(4.dp) 
+            .size((size * 1.5f).dp) // Focusable area is larger than the avatar
+            .clip(CircleShape) // Ensure both the focus and click area are circular
+            .background(
+                if (isFocused.value) MaterialTheme.colorScheme.surface
+                else Color.Transparent, 
+            )
+            .onFocusChanged { focusState ->
+                isFocused.value = focusState.isFocused 
+            }
+            .focusable() // Make this outer Box focusable (after onFocusChanged)
+            .clickable(
+                interactionSource = remember { MutableInteractionSource() },
+                indication = ripple(bounded = true), // Apply ripple effect inside circular bounds
+                onClick = {
+                    action?.invoke() 
+                    focusManager.clearFocus() // Clear focus after clicking the avatar
+                }
             )
-      }
-    }
+    ) {
+        // Inner Box to hold the avatar content (Icon or AsyncImage)
+        Box(
+            contentAlignment = Alignment.Center,
+            modifier = Modifier
+                .size(size.dp)
+                .clip(CircleShape) 
+        ) { 
+          // Always display the default icon as a background layer
+          Icon(
+              imageVector = Icons.Default.Person,
+              contentDescription = stringResource(R.string.settings_title),
+              modifier =
+                  Modifier.size((size * 0.8f).dp)
+                      .clip(CircleShape) // Icon size slightly smaller than the Box
+              )
+
+          // Overlay the profile picture if available
+          profile?.UserProfile?.ProfilePicURL?.let { url ->
+            AsyncImage(
+                model = url,
+                modifier = Modifier.size(size.dp).clip(CircleShape),
+                contentDescription = null)
+          }
+        }
   }
 }