增加离线防抖机制，避免因为离线支付导致的链接断开影响了在线支付

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

@@ -195,7 +195,7 @@ public class SCWebSocketClient extends WebSocketClient {
 
     @Override
     public void onClose(int code, String reason, boolean remote) {
-        LogUtils.w(TAG, "socket已关闭, 原因: " + reason + ", 是否服务器断开链接: " + remote);
+        LogUtils.w(TAG, "socket已关闭: " + code + ", 原因: " + reason + ", 是否服务器断开链接: " + remote);
         connectState.postValue(new ConnectState(ConnectState.OFFLINE));
         for (SCWebSocketListener l : listener) {
             l.onClose(code, reason, remote);

app/src/main/java/com/bgycc/smartcanteen/viewModel/PayOfflineViewModel.java

@@ -41,7 +41,6 @@ public class PayOfflineViewModel extends ViewModel {
     // 在线支付延迟150ms执行，留出时间给扫码反馈
     private static final long REQUEST_DELAY = 150;
     private static final long DEFAULT_DELAY = 3 * 1000;
-    private static final long PAY_INTERVAL = 60 * 60 * 1000;
     private Gson gson;
     private String deviceSN;
     private PayDataRepository payDataRepository;
@@ -54,7 +53,6 @@ public class PayOfflineViewModel extends ViewModel {
     }
 
     private PayRequest payRequest;
-    private long lastExecTime = -1;
     private ScheduledFuture<?> payOfflineFuture;
     private ScheduledFuture<?> timeoutFuture;
 
@@ -78,13 +76,6 @@ public class PayOfflineViewModel extends ViewModel {
     }
 
     private void traversalPayOfflineData() {
-        // 若与上次执行相隔太近，则跳过
-        long currentTime = System.currentTimeMillis();
-        if ((currentTime - lastExecTime) < PAY_INTERVAL) {
-            LogUtils.d(TAG, "离线检测过于频繁");
-            return;
-        }
-        lastExecTime = currentTime;
         cancelPayOffline();
         cancelTimeout();
         TimeoutRunnable timeoutRunnable = new TimeoutRunnable();
@@ -111,11 +102,21 @@ public class PayOfflineViewModel extends ViewModel {
         private static final String RESPONSE_PAY_OFFLINE_RESULT = "PAY_OFFLINE_RESULT";
         // 每心跳多少次后进行一次离线订单检测
         private static final int PAY_OFFLINE_CHECK = 30;
+        // 当链接频繁断开时，给予离线订单检测一定缓冲时间
+        private static final long PAY_OFFLINE_INTERVAL = 30 * 60 * 1000;
+
+        private long lastPayTime = -1;
         private int heartbeatCount = 0;
 
         @Override
         public void onOpen(ServerHandshake data) {
             heartbeatCount = 0;
+            long currentTime = System.currentTimeMillis();
+            if ((currentTime - lastPayTime) < PAY_OFFLINE_INTERVAL) {
+                LogUtils.w(TAG, "离线检测过于频繁，可能是链接频繁断开导致");
+                return;
+            }
+            lastPayTime = currentTime;
             traversalPayOfflineData();
         }
 
@@ -125,6 +126,12 @@ public class PayOfflineViewModel extends ViewModel {
             heartbeatCount++;
             if (heartbeatCount >= PAY_OFFLINE_CHECK) {
                 heartbeatCount = 0;
+                long currentTime = System.currentTimeMillis();
+                if ((currentTime - lastPayTime) < PAY_OFFLINE_INTERVAL) {
+                    LogUtils.w(TAG, "心跳引发离线检测冲突，跳过该次检测");
+                    return;
+                }
+                lastPayTime = currentTime;
                 traversalPayOfflineData();
             }
         }