added live/offline status indicator for the DisplayLiveBubbles method

Checks streaming URLs for LiveActivitiesChannel and relay URLs for both channel types

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/home/live/LiveStatusIndicator.kt

@@ -0,0 +1,100 @@
+/**
+ * Copyright (c) 2025 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.amethyst.ui.screen.loggedIn.home.live
+
+import androidx.compose.foundation.Canvas
+import androidx.compose.foundation.layout.size
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.model.Channel
+import com.vitorpamplona.amethyst.model.emphChat.EphemeralChatChannel
+import com.vitorpamplona.amethyst.model.nip53LiveActivities.LiveActivitiesChannel
+import com.vitorpamplona.amethyst.service.OnlineChecker
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import kotlinx.coroutines.delay
+
+@Composable
+fun LiveStatusIndicator(
+    isOnline: Boolean,
+    modifier: Modifier = Modifier,
+) {
+    Canvas(
+        modifier = modifier.size(8.dp),
+    ) {
+        drawCircle(
+            color = if (isOnline) Color.Red else Color.Black,
+            radius = size.minDimension / 2,
+        )
+    }
+}
+
+@Composable
+fun LiveStatusIndicatorForChannel(
+    channel: Channel,
+    accountViewModel: AccountViewModel,
+    modifier: Modifier = Modifier,
+) {
+    var isOnline by remember { mutableStateOf(false) }
+
+    LaunchedEffect(channel) {
+        while (true) {
+            isOnline = checkChannelIsOnline(channel, accountViewModel)
+            delay(30_000) // Check every 30 seconds
+        }
+    }
+
+    LiveStatusIndicator(isOnline = isOnline, modifier = modifier)
+}
+
+private suspend fun checkChannelIsOnline(
+    channel: Channel,
+    accountViewModel: AccountViewModel,
+): Boolean =
+    when (channel) {
+        is LiveActivitiesChannel -> {
+            // Check if streaming URL is online, fall back to relay check
+            val streamingUrl = channel.info?.streaming()
+            if (!streamingUrl.isNullOrBlank()) {
+                accountViewModel.checkVideoIsOnline(streamingUrl)
+            } else {
+                // Check relay connection
+                val relayUrl = channel.relayHintUrl()
+                if (relayUrl != null) {
+                    OnlineChecker.isOnline(relayUrl.url, accountViewModel.httpClientBuilder::okHttpClientForVideo)
+                } else {
+                    false
+                }
+            }
+        }
+        is EphemeralChatChannel -> {
+            // Check relay connection for ephemeral chat
+            val relayUrl = channel.roomId.relayUrl
+            OnlineChecker.isOnline(relayUrl.url, accountViewModel.httpClientBuilder::okHttpClientForVideo)
+        }
+        else -> false
+    }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/home/live/RenderEphemeralBubble.kt

@@ -26,6 +26,7 @@ import androidx.compose.material3.FilledTonalButton
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.model.emphChat.EphemeralChatChannel
@@ -48,6 +49,12 @@ fun RenderEphemeralBubble(
             nav.nav { routeFor(channel) }
         },
     ) {
+        LiveStatusIndicatorForChannel(
+            channel = channel,
+            accountViewModel = accountViewModel,
+            modifier = Modifier.align(Alignment.CenterVertically),
+        )
+        Spacer(StdHorzSpacer)
         RenderUsers(channel, accountViewModel, nav)
         Spacer(StdHorzSpacer)
         Text(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/home/live/RenderLiveActivityBubble.kt

@@ -26,6 +26,7 @@ import androidx.compose.material3.FilledTonalButton
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.model.nip53LiveActivities.LiveActivitiesChannel
@@ -48,6 +49,12 @@ fun RenderLiveActivityBubble(
             nav.nav { routeFor(channel) }
         },
     ) {
+        LiveStatusIndicatorForChannel(
+            channel = channel,
+            accountViewModel = accountViewModel,
+            modifier = Modifier.align(Alignment.CenterVertically),
+        )
+        Spacer(StdHorzSpacer)
         RenderUsers(channel, accountViewModel, nav)
         Spacer(StdHorzSpacer)
         Text(