[ios] Log generic ApplicationDelegate events.

iphone/Maps/Classes/MapsAppDelegate.mm

@@ -161,14 +161,14 @@ void InitLocalizedStrings()
 
 - (void)applicationWillTerminate:(UIApplication *)application
 {
-  [[Statistics instance] applicationWillTerminate];
+  [Alohalytics logEvent:@"$applicationWillTerminate"];
 
 	[self.m_mapViewController onTerminate];
 }
 
 - (void)applicationDidEnterBackground:(UIApplication *)application
 {
-  [[Statistics instance] applicationDidEnterBackground];
+  [Alohalytics logEvent:@"$applicationDidEnterBackground"];
 
 	[self.m_mapViewController onEnterBackground];
   if (m_activeDownloadsCounter)
@@ -182,12 +182,12 @@ void InitLocalizedStrings()
 
 - (void)applicationWillResignActive:(UIApplication *)application
 {
-  [[Statistics instance] applicationWillResignActive];
+  [Alohalytics logEvent:@"$applicationWillResignActive"];
 }
 
 - (void)applicationWillEnterForeground:(UIApplication *)application
 {
-  [[Statistics instance] applicationWillEnterForeground];
+  [Alohalytics logEvent:@"$applicationWillEnterForeground"];
 
   [self.m_locationManager orientationChanged];
   [self.m_mapViewController onEnterForeground];
@@ -195,7 +195,7 @@ void InitLocalizedStrings()
 
 - (void)applicationDidBecomeActive:(UIApplication *)application
 {
-  [[Statistics instance] applicationDidBecomeActive];
+  [Alohalytics logEvent:@"$applicationDidBecomeActive"];
 
   Framework & f = GetFramework();
   if (m_geoURL)

iphone/Maps/Statistics/Statistics.h

@@ -11,12 +11,6 @@
 - (void)logApiUsage:(NSString *)programName;
 - (void)logLatitude:(double)latitude longitude:(double)longitude horizontalAccuracy:(double)horizontalAccuracy verticalAccuracy:(double)verticalAccuracy;
 
-- (void)applicationWillTerminate;
-- (void)applicationDidEnterBackground;
-- (void)applicationWillResignActive;
-- (void)applicationWillEnterForeground;
-- (void)applicationDidBecomeActive;
-
 + (id)instance;
 
 @property (nonatomic, readonly) BOOL enabled;

iphone/Maps/Statistics/Statistics.mm

@@ -55,26 +55,6 @@
     [self logEvent:@"Api Usage" withParameters: @{@"Application Name" : @"Error passing nil as SourceApp name."}];
 }
 
-- (void)applicationWillResignActive
-{
-}
-
-- (void)applicationWillTerminate
-{
-}
-
-- (void)applicationDidEnterBackground
-{
-}
-
-- (void)applicationWillEnterForeground
-{
-}
-
-- (void)applicationDidBecomeActive
-{
-}
-
 - (BOOL)enabled
 {
 #ifdef DEBUG