优化debug模式下的界面提示语

1、重连下会留5秒的延迟让UI界面能充分显示提示语
2、现在onError不会触发切换网络及重连(避免和onClose逻辑重复)
3、增加获取当前正在尝试切换的网络状态(由debug界面获取并呈现)

app/src/main/java/com/bgycc/smartcanteen/MainActivity.java

@@ -117,26 +117,26 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
 
         SCWebSocketClient.getInstance().getConnectStateEvent().observe(this, event -> {
             if (debugLayoutIsNotInflate()) return;
-            String networkType = NetworkUtils.getNetworkType(this);
             String msg;
+            LogUtils.d(TAG, "connect state: " + event.getState());
             switch (event.getState()) {
                 case ConnectState.OFFLINE:
-                    msg = String.format(getString(R.string.connect_offline), networkType);
+                    msg = String.format(getString(R.string.connect_offline), NetworkUtils.getTryingNetworkType(this));
                     break;
                 case ConnectState.CONNECTING:
-                    msg = String.format(getString(R.string.connect_connecting), networkType);
+                    msg = String.format(getString(R.string.connect_connecting), NetworkUtils.getNetworkType(this));
                     break;
                 case ConnectState.CONNECTED:
-                    msg = String.format(getString(R.string.connect_connected), event.getHost(), networkType);
+                    msg = String.format(getString(R.string.connect_connected), event.getHost(), NetworkUtils.getNetworkType(this));
                     // socket链接成功后刷新wifi及eth的ip地址信息
                     refreshEthInfo();
                     refreshWifiInfo();
                     break;
                 case ConnectState.RECONNECTING:
-                    msg = String.format(getString(R.string.connect_reconnecting), event.getHost(), networkType);
+                    msg = String.format(getString(R.string.connect_reconnecting), event.getHost());
                     break;
                 case ConnectState.CHANGE_NETWORK:
-                    msg = String.format(getString(R.string.connect_change_network), event.getHost(), networkType);
+                    msg = String.format(getString(R.string.connect_change_network), NetworkUtils.getTryingNetworkType(this));
                     break;
                 default:
                     msg = "";

app/src/main/java/com/bgycc/smartcanteen/socket/SCWebSocketClient.java

@@ -206,11 +206,6 @@ public class SCWebSocketClient extends WebSocketClient {
         for (SCWebSocketListener l : listener) {
             l.onError(e);
         }
-
-        if (forceStop) return;
-        switchNetwork();
-        stopHeartbeat();
-        tryReconnect();
     }
 
     @SuppressLint("ObsoleteSdkInt")
@@ -221,7 +216,8 @@ public class SCWebSocketClient extends WebSocketClient {
         }
         lastSwitchTime = currentTime;
 
-        connectState.postValue(new ConnectState(ConnectState.CHANGE_NETWORK, host.toString()));
+        LogUtils.d(TAG, "switch network");
+        connectState.postValue(new ConnectState(ConnectState.CHANGE_NETWORK));
         NetworkUtils.switchNetwork(callback);
     }
 
@@ -245,6 +241,11 @@ public class SCWebSocketClient extends WebSocketClient {
     private Runnable reconnectRunnable = () -> {
         LogUtils.d(TAG, "开始尝试重连");
         connectState.postValue(new ConnectState(ConnectState.RECONNECTING, host.toString()));
+        // 增加一个延时，让UI界面有足够的时间去显示debug信息
+        try {
+            Thread.sleep(RECONNECT_DELAY);
+        } catch (InterruptedException ignored) {
+        }
         for (SCWebSocketListener l : listener) {
             l.onReconnect();
         }

app/src/main/java/com/bgycc/smartcanteen/utils/NetworkUtils.java

@@ -151,6 +151,17 @@ public class NetworkUtils {
         }
     }
 
+    /**
+     * 获取当前正在尝试切换的网络形态
+     */
+    public static String getTryingNetworkType(Context context) {
+        if (lastTryNetwork == NETWORK_ETHERNET) {
+            return context.getString(R.string.network_type_ethernet);
+        } else {
+            return context.getString(R.string.network_type_wifi);
+        }
+    }
+
     public static String getNetworkType(Context context) {
         if (Build.VERSION.SDK_INT >= 23) {
             Network network = connectivityManager.getActiveNetwork();

app/src/main/res/values/strings.xml

@@ -25,6 +25,6 @@
     <string name="connect_offline">%s 未连接</string>
     <string name="connect_connecting">%s 正在连接…</string>
     <string name="connect_connected">服务器: %s，网络类型: %s</string>
-    <string name="connect_reconnecting">服务器: %s，正在重连… %s</string>
+    <string name="connect_reconnecting">服务器: %s，正在重连…</string>
     <string name="connect_change_network">%s 正在切换…</string>
 </resources>