修复后台卡查界面，重新进入后卡查关键字清空的问题

mobile/src/main/java/cn/garymb/ygomobile/ui/cards/CardSearchActivityImpl.java

@@ -53,6 +53,7 @@ class CardSearchActivityImpl extends BaseActivity implements CardLoader.CallBack
 
     private String intentSearchMessage;
     private boolean isFirstCardSearch=true;
+    private String currentCardSearchMessage="";
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
@@ -105,7 +106,8 @@ class CardSearchActivityImpl extends BaseActivity implements CardLoader.CallBack
     @Override
     protected void onRestart() {
         super.onRestart();
-        if (!isFirstCardSearch){
+        if (!isFirstCardSearch&&!currentCardSearchMessage.equals(ServiceDuelAssistant.cardSearchMessage)){
+            currentCardSearchMessage=ServiceDuelAssistant.cardSearchMessage;
             intentSearch();
         }
     }

mobile/src/main/java/cn/garymb/ygomobile/ui/plus/ServiceDuelAssistant.java

@@ -52,7 +52,7 @@ public class ServiceDuelAssistant extends Service {
     private final static String CMD_STOP_SERVICE = "CMD : STOP SERVICE";
 
 
-    public static String cardSearchMessage;
+    public static String cardSearchMessage="";
 
     private LinearLayout mFloatLayout;
     private TextView ds_text;