Added precautions for start state

Countly.m

@@ -57,6 +57,11 @@ - (instancetype)init
 
 - (void)startWithConfig:(CountlyConfig *)config
 {
+    if (CountlyCommon.sharedInstance.hasStarted)
+        return;
+
+    CountlyCommon.sharedInstance.hasStarted = YES;
+
     CountlyCommon.sharedInstance.enableDebug = config.enableDebug;
 
     NSAssert(config.appKey && ![config.appKey isEqualToString:@"YOUR_APP_KEY"], @"[CountlyAssert] App key in Countly configuration is not set!");
@@ -137,6 +142,9 @@ - (void)startWithConfig:(CountlyConfig *)config
 
 - (void)setNewDeviceID:(NSString *)deviceID onServer:(BOOL)onServer
 {
+    if (!CountlyCommon.sharedInstance.hasStarted)
+        return;
+
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 
@@ -218,6 +226,9 @@ - (void)onTimer:(NSTimer *)timer
 
 - (void)suspend
 {
+    if (!CountlyCommon.sharedInstance.hasStarted)
+        return;
+
     if (isSuspended)
         return;
 
@@ -237,6 +248,9 @@ - (void)suspend
 
 - (void)resume
 {
+    if (!CountlyCommon.sharedInstance.hasStarted)
+        return;
+
 #if TARGET_OS_WATCH
     //NOTE: skip first time to prevent double begin session because of applicationDidBecomeActive call on launch of watchOS apps
     static BOOL isFirstCall = YES;

CountlyAPM.m

@@ -14,6 +14,9 @@ @implementation CountlyAPM
 
 + (instancetype)sharedInstance
 {
+    if (!CountlyCommon.sharedInstance.hasStarted)
+        return nil;
+
     static CountlyAPM* s_sharedInstance = nil;
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{s_sharedInstance = self.new;});

CountlyCommon.h

@@ -58,6 +58,7 @@ extern NSString* const kCountlySDKName;
 
 @interface CountlyCommon : NSObject
 
+@property (nonatomic) BOOL hasStarted;
 @property (nonatomic) BOOL enableDebug;
 @property (nonatomic) BOOL enableAppleWatch;
 @property (nonatomic) BOOL enableAttribution;

CountlyConnectionManager.m

@@ -58,6 +58,9 @@ @implementation CountlyConnectionManager : NSObject
 
 + (instancetype)sharedInstance
 {
+    if (!CountlyCommon.sharedInstance.hasStarted)
+        return nil;
+
     static CountlyConnectionManager *s_sharedInstance = nil;
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{s_sharedInstance = self.new;});

CountlyCrashReporter.m

@@ -52,6 +52,9 @@ @implementation CountlyCrashReporter
 
 + (instancetype)sharedInstance
 {
+    if (!CountlyCommon.sharedInstance.hasStarted)
+        return nil;
+
     static CountlyCrashReporter *s_sharedInstance = nil;
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{s_sharedInstance = self.new;});

CountlyPersistency.m

@@ -23,6 +23,9 @@ @implementation CountlyPersistency
 
 + (instancetype)sharedInstance
 {
+    if (!CountlyCommon.sharedInstance.hasStarted)
+        return nil;
+
     static CountlyPersistency* s_sharedInstance = nil;
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{s_sharedInstance = self.new;});

CountlyPushNotifications.m

@@ -24,6 +24,9 @@ @implementation CountlyPushNotifications
 
 + (instancetype)sharedInstance
 {
+    if (!CountlyCommon.sharedInstance.hasStarted)
+        return nil;
+
     static CountlyPushNotifications* s_sharedInstance;
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{s_sharedInstance = self.new;});

CountlyStarRating.m

@@ -32,6 +32,9 @@ @implementation CountlyStarRating
 
 + (instancetype)sharedInstance
 {
+    if (!CountlyCommon.sharedInstance.hasStarted)
+        return nil;
+
     static CountlyStarRating* s_sharedInstance = nil;
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{s_sharedInstance = self.new;});

CountlyUserDetails.m

@@ -169,6 +169,9 @@ - (void)pull:(NSString *)key values:(NSArray *)value
 
 - (void)save
 {
+    if (!CountlyCommon.sharedInstance.hasStarted)
+        return;
+
     NSString* userDetails = [CountlyUserDetails.sharedInstance serializedUserDetails];
     if (userDetails)
         [CountlyConnectionManager.sharedInstance sendUserDetails:userDetails];

CountlyViewTracking.m

@@ -23,6 +23,9 @@ @implementation CountlyViewTracking
 
 + (instancetype)sharedInstance
 {
+    if (!CountlyCommon.sharedInstance.hasStarted)
+        return nil;
+
     static CountlyViewTracking* s_sharedInstance = nil;
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{s_sharedInstance = self.new;});