web服务监测网络变化,及时更新IP

app/src/main/java/io/legado/app/receiver/NetworkChangedListener.kt

@@ -0,0 +1,61 @@
+package io.legado.app.receiver
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.net.ConnectivityManager
+import android.net.Network
+import android.os.Build
+import splitties.systemservices.connectivityManager
+
+/**
+ * 监测网络变化
+ */
+class NetworkChangedListener(private val context: Context) {
+
+    var onNetworkChanged: (() -> Unit)? = null
+
+    private val receiver: NetworkChangedReceiver? by lazy {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
+            NetworkChangedReceiver()
+        }
+        return@lazy null
+    }
+
+    fun register() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            connectivityManager.registerDefaultNetworkCallback(
+                object : ConnectivityManager.NetworkCallback() {
+                    override fun onAvailable(network: Network) {
+                        onNetworkChanged?.invoke()
+                    }
+                }
+            )
+        } else {
+            receiver?.let {
+                context.registerReceiver(it, it.filter)
+            }
+        }
+    }
+
+    fun unRegister() {
+        receiver?.let {
+            context.unregisterReceiver(it)
+        }
+    }
+
+    inner class NetworkChangedReceiver : BroadcastReceiver() {
+
+        val filter = IntentFilter().apply {
+            @Suppress("DEPRECATION")
+            addAction(ConnectivityManager.CONNECTIVITY_ACTION)
+        }
+
+        override fun onReceive(context: Context, intent: Intent) {
+            onNetworkChanged?.invoke()
+        }
+
+    }
+
+}

app/src/main/java/io/legado/app/receiver/NetworkChangedReceiver.kt

@@ -1,25 +0,0 @@
-package io.legado.app.receiver
-
-import android.content.BroadcastReceiver
-import android.content.Context
-import android.content.Intent
-import android.content.IntentFilter
-import android.net.ConnectivityManager
-
-/**
- * 监测网络变化
- */
-class NetworkChangedReceiver : BroadcastReceiver() {
-
-    var onReceiver: ((context: Context, intent: Intent) -> Unit)? = null
-
-    val filter = IntentFilter().apply {
-        @Suppress("DEPRECATION")
-        addAction(ConnectivityManager.CONNECTIVITY_ACTION)
-    }
-
-    override fun onReceive(context: Context, intent: Intent) {
-        onReceiver?.invoke(context, intent)
-    }
-
-}