Check if network access if blocked when fetching notifications (#6247)

* Add `NetworkMonitor.isNetworkBlocked()`, use it to check if Doze prevented us from loading notifications

* Only check if network is blocked after checking if we have a network available, otherwise it's always `true`

* Extract `NetworkBlockedChecker` to handle deprecations more carefully

features/networkmonitor/api/src/main/kotlin/io/element/android/features/networkmonitor/api/NetworkMonitor.kt

@@ -20,4 +20,9 @@ interface NetworkMonitor {
      * A flow containing the current network connectivity status.
      */
     val connectivity: StateFlow<NetworkStatus>
+
+    /**
+     * Checks if the active network is being blocked by Doze, even if it's available.
+     */
+    fun isNetworkBlocked(): Boolean
 }

features/networkmonitor/impl/src/main/kotlin/io/element/android/features/networkmonitor/impl/DefaultNetworkMonitor.kt

@@ -43,6 +43,9 @@ class DefaultNetworkMonitor(
     appCoroutineScope: CoroutineScope,
 ) : NetworkMonitor {
     private val connectivityManager: ConnectivityManager = context.getSystemService(ConnectivityManager::class.java)
+    private val blockedNetworkBlockedChecker = NetworkBlockedChecker(connectivityManager)
+
+    override fun isNetworkBlocked(): Boolean = blockedNetworkBlockedChecker.isNetworkBlocked()
 
     override val connectivity: StateFlow<NetworkStatus> = callbackFlow {
 

features/networkmonitor/impl/src/main/kotlin/io/element/android/features/networkmonitor/impl/NetworkBlockedChecker.kt

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2026 Element Creations Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+@file:Suppress("DEPRECATION")
+
+package io.element.android.features.networkmonitor.impl
+
+import android.annotation.SuppressLint
+import android.net.ConnectivityManager
+import android.net.NetworkInfo
+
+/**
+ * Helper to check if the active network in [ConnectivityManager] is blocked.
+ *
+ * This is extracted to its own class because it uses deprecated APIs (but the only ones that are reliable)
+ * and we don't want to suppress deprecations everywhere.
+ */
+class NetworkBlockedChecker(
+    private val connectivityManager: ConnectivityManager,
+) {
+    // The permission is granted by the manifest, false positive
+    @SuppressLint("MissingPermission")
+    fun isNetworkBlocked(): Boolean {
+        // This call is deprecated, but it seems like it's the only reliable way to tell if doze has blocked network access
+        return connectivityManager.activeNetworkInfo?.detailedState == NetworkInfo.DetailedState.BLOCKED
+    }
+}

features/networkmonitor/test/src/main/kotlin/io/element/android/features/networkmonitor/test/FakeNetworkMonitor.kt

@@ -12,6 +12,10 @@ import io.element.android.features.networkmonitor.api.NetworkMonitor
 import io.element.android.features.networkmonitor.api.NetworkStatus
 import kotlinx.coroutines.flow.MutableStateFlow
 
-class FakeNetworkMonitor(initialStatus: NetworkStatus = NetworkStatus.Connected) : NetworkMonitor {
+class FakeNetworkMonitor(
+    initialStatus: NetworkStatus = NetworkStatus.Connected,
+    private val isNetworkBlockedLambda: () -> Boolean = { false },
+) : NetworkMonitor {
     override val connectivity = MutableStateFlow(initialStatus)
+    override fun isNetworkBlocked(): Boolean = isNetworkBlockedLambda()
 }