android: fix avatar focusable (#538)

-Apply focusable() directly to outer Box instead of nested with clickable()
-Explicitly handle focus
-Simplify focusable area

Fixes tailscale/corp/#23762

Signed-off-by: kari-ts <kari@tailscale.com>
Signed-off-by: kari-ts <135075563+kari-ts@users.noreply.github.com>

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

@@ -3,20 +3,28 @@
 
 package com.tailscale.ipn.ui.view
 
+import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
+import androidx.compose.foundation.focusable
 import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Person
 import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.ripple
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
+import androidx.compose.ui.focus.onFocusChanged
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalFocusManager
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import coil.annotation.ExperimentalCoilApi
@@ -27,22 +35,56 @@ import com.tailscale.ipn.ui.model.IpnLocal
 @OptIn(ExperimentalCoilApi::class)
 @Composable
 fun Avatar(profile: IpnLocal.LoginProfile?, size: Int = 50, action: (() -> Unit)? = null) {
-  Box(contentAlignment = Alignment.Center, modifier = Modifier.size(size.dp).clip(CircleShape)) {
-    var modifier = Modifier.size((size * .8f).dp)
-    action?.let {
-      modifier =
-          modifier.clickable(
-              interactionSource = remember { MutableInteractionSource() },
-              indication = ripple(bounded = false),
-              onClick = action)
-    }
-    Icon(
-        imageVector = Icons.Default.Person,
-        contentDescription = stringResource(R.string.settings_title),
-        modifier = modifier)
+    var isFocused = remember { mutableStateOf(false) }
+    val focusManager = LocalFocusManager.current 
 
-    profile?.UserProfile?.ProfilePicURL?.let { url ->
-      AsyncImage(model = url, modifier = Modifier.size((size * 1.2f).dp), contentDescription = null)
+    // 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) 
+        ) {
+            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
+                )
+            }
+        }
     }
-  }
 }
+

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

@@ -22,7 +22,6 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.statusBars
 import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.ArrowDropDown
@@ -187,28 +186,14 @@ fun MainView(
                   }
                 },
                 trailingContent = {
-                  Box(
-                      modifier =
-                          Modifier.weight(1f)
-                              .focusable()
-                              .clickable { navigation.onNavigateToSettings() }
-                              .padding(8.dp), 
-                      contentAlignment = Alignment.CenterEnd) {
-                        when (user) {
-                          null -> SettingsButton { navigation.onNavigateToSettings() }
-                          else ->
-                              Box(
-                                  contentAlignment = Alignment.Center,
-                                  modifier =
-                                      Modifier.size(42.dp).clip(CircleShape).focusable().clickable {
-                                        navigation.onNavigateToSettings()
-                                      }) {
-                                    Avatar(profile = user, size = 36) {
-                                      navigation.onNavigateToSettings()
-                                    }
-                                  }
-                        }
+                  Box(modifier = Modifier.padding(8.dp), contentAlignment = Alignment.CenterEnd) {
+                    when (user) {
+                      null -> SettingsButton { navigation.onNavigateToSettings() }
+                      else -> {
+                        Avatar(profile = user, size = 36) { navigation.onNavigateToSettings() }
                       }
+                    }
+                  }
                 })
 
             when (state) {