Add network detect when boot

app/src/leanback/java/com/fongmi/android/tv/receiver/BootReceiver.java

@@ -3,6 +3,13 @@ package com.fongmi.android.tv.receiver;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
+import android.net.ConnectivityManager;
+import android.net.Network;
+import android.net.NetworkCapabilities;
+import android.net.NetworkRequest;
+import android.os.Build;
+
+import androidx.annotation.NonNull;
 
 import com.android.cast.dlna.dmr.DLNARendererService;
 import com.fongmi.android.tv.App;
@@ -13,7 +20,32 @@ public class BootReceiver extends BroadcastReceiver {
 
     @Override
     public void onReceive(Context context, Intent intent) {
-        DLNARendererService.Companion.start(App.get(), R.drawable.ic_logo);
-        LiveConfig.get().init().load();
+        registerCallback();
+    }
+
+    private void registerCallback() {
+        ConnectivityManager manager = (ConnectivityManager) App.get().getSystemService(Context.CONNECTIVITY_SERVICE);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) manager.registerDefaultNetworkCallback(new Callback());
+        else manager.registerNetworkCallback(new NetworkRequest.Builder().addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET).build(), new Callback());
+    }
+
+    static class Callback extends ConnectivityManager.NetworkCallback {
+
+        private boolean first;
+
+        @Override
+        public void onAvailable(@NonNull Network network) {
+            if (first) doJob();
+            else first = true;
+        }
+
+        @Override
+        public void onLost(@NonNull Network network) {
+        }
+
+        private void doJob() {
+            LiveConfig.get().init().load();
+            DLNARendererService.Companion.start(App.get(), R.drawable.ic_logo);
+        }
     }
 }