add

GIGA/Common/GiGaUserDB/GiGaUserDefault.h

@@ -75,4 +75,8 @@
 +(void)saveUserTestFlag:(BOOL)tested;
 +(BOOL)isUserTest;
 
+
++(void)saveisMaskingflag:(BOOL)masking;
++(BOOL)isMasking;
+
 @end

GIGA/Common/GiGaUserDB/GiGaUserDefault.m

@@ -166,4 +166,16 @@ NSString *const kShowUserTested = @"kShowUserTested";
     return showedGaurd;
 }
 
++(void)saveisMaskingflag:(BOOL)masking{
+    [[NSUserDefaults standardUserDefaults] setBool:masking forKey:@"isMasking"];
+    [[NSUserDefaults standardUserDefaults] synchronize];
+}
+
++(BOOL)isMasking{
+    
+    BOOL ismasking  =  [[NSUserDefaults standardUserDefaults] boolForKey:@"isMasking"];
+    return ismasking;
+    
+}
+
 @end