Note: Amazon integration uses the same SDK as Android.
Version 9.2.0 (January 31, 2023) (current version)
Improvements:
SDK Bidding.
Fixes:
Improved stability of the SDK.
Video buffering improvementsNotes.
Version 9.1.1 (October 19, 2022)
Fixes:
Fix initialization issue
Version 9.1.0 (September 19, 2022)
Improvements:
Improved stability of the SDK
Fixes:
Fix initialization crashes found in 9.0.0 release
Version 9.0.0 (July 13, 2022)
Improvements:
Implemented new public api
Separated ad types from main Chartboost api
Improved stability of the SDK
Fixes:
Small quality of life improvements and fixes for pre-cache video ads
Notes:
SDK is compatible with Android api level 32.
Version 8.4.3 (May 9, 2022)
Improvements:
Fixed exception caused by AppSet Id for certain publishers
Version 8.4.2 (Apr. 19, 2022)
Improvements:
Fixed the ANR that happened during initialization due to incorrect app set id access
Notes:
SDK is compatible with Android api level 31
Java 1.8 as default source compatibility instead of Java 11
Version 8.4.1 (Mar. 22, 2022)
Improvements:
COPPA implementation
Enforce TLS and HTTPS, SSLv3 protocol removed
Notes:
SDK is compatible with Android api level 31
If you were previously using getConsent for GDPR or CCPA values you may need to cast to the proper type
The minimum gradle requirement is classpath 'com.android.tools.build:gradle:4.0.2' and in gradle.properties distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
Version 8.3.1 (Jan. 17, 2022)
Improvements:
Change cutout support mode
Notes:
SDK is compatible with Android api level 30
Added method deprecation in public api and delegate
Version 8.3.0 (Dec. 16, 2021)
Improvements:
Internal improvements on video caching
Fixes:
Improved stability on Android 5
Notes:
SDK is compatible with Android api level 30
Added method deprecation in public api and delegate
Version 8.2.1 (Jun. 4, 2021)
Fixes:
Fixed banner crash when trying to access banner size during show while view was not fully inflated.
Fixed webview issue which kept on playing sound after ad closure.
Version 8.2.0 (Nov. 27, 2020)
Improvements:
Added adID to events passed in banner ad delegate methods and to errors passed in load failure delegate methods for other ad types.
SDK is compatible with Android api level 29.
Fixes:
Fixed crash while trying to download assets in some cases.
Fixed issue that in some cases caused banners to crash in Android 4.4.4.
Fixed banner crash upon banner click in certain conditions.
Version 8.1.0 (Jun. 30, 2020)
Improvements:
Added new data consent API with CCPA support.
Added support for Android 10 (API level 29).
Made banner error codes publicly accessible.
Improved handling of rewarded ads failure. The didCompleteRewardedVideo delegate callback is now called when a rewarded ad is dismissed due to some error.
Auto caching banner changed – Auto-cache sdk setting Chartboost.setAutoCacheAds() no longer affects banners. Auto-cache and auto-refresh now work directly with each banner and can be set in the ChartboostBanner object public void setAutomaticallyRefreshesContent(boolean autoRefreshEnabled).
Initialization always calls callback – previously when SDK was already initialized, callback was never called again. SDK now always calls didInitialize callback, even if it was previously initialized.
Permissions changes – Chartboost doesn’t require any additional permissions anymore. We only recommend adding optional READ_PHONE_STATE permissions for better ad performance. Without this permission we won’t be able to get important information about the user.
Reduced the amount of SDK network calls during foreground and background events.
Improved background and foreground handling – SDK won’t be doing any work during foreground/background events, which will improve performance for the application and reduce battery consumption.
Improved click delegate methods for better tracking clicks for all ads.
Fixes:
Fixed a bug where the SDK didn’t handle device settings properly for Limit Ad Tracking.
Fixed network issues. Previously the SDK was not able to recover properly from no internet connection and therefore was not displaying ads correctly.
Fixed incorrect callback call after cache failure. Cache failure was returning a show error instead of the correct cache error, which could cause an infinite loop in some edge cases.
Notes:
Removed restrictDataCollection: method.
setPIDataUseConsent is deprecated and replaced by addDataUseConsent.
getPIDataUseConsent is deprecated and replaced by getDataUseConsent.
CBPIDataUseConsent is deprecated. It can be used for the legacy functionality but it is recommended to use the latest API to indicate users’ data consent status for privacy regulations including GDPR and CCPA.
Version 8.0.3 (May 27, 2020)
Improvements:
Increased ad load timeout to give more time for ads to load, especially on the first try. This was causing issues where SDK could be stuck and never recover its state.
Fixes:
Fixed a callback issue on Android 4.x. Some devices were not triggering any callbacks which could lead to increased latency for mediation.
Fixed an issue where the SDK would freeze after losing connectivity.
Version 8.0.2 (Mar. 26, 2020)
Fixes:
Fix for banner related bug which prevented correct function of the auto-refresh feature.
Added a new delegate,didCompleteInterstitial(String location), to match with rewarded video.
Removed wifi permission ACCESS_WIFI_STATE.
Fixes:
Fixed a crash that occurred when starting the Chartboost SDK with some Android 5.1 devices.
The SDK was consuming SSL errors and causing some apps to not be accepted into Google Play.
The SDK should start normally after connectivity returns.
This release and onwards are certified to work with 64-bit architectures.
Version 7.3.1 (Dec. 3, 2018)
Improvements:
Added API Level 15 Support.
Fixes:
Fixed crashes caused by ads using recycled bitmaps.
Version 7.3.0 (Sep. 28, 2018)
Improvements:
Improved GDPR handling.
Fixes:
Sound and video no longer continue to play after pressing on ‘power’ button to lock the phone.
Notes:
New API for handling GDPR – void setPIDataUseConsent(Context context, CBPIDataUseConsent consent);
API restrictDataCollection has been deprecated.
Version 7.2.1 (July 6, 2018)
Fixes:
Native will replace Android Webview on Kindle 4.x and below.
ANDROID_ID will no longer be collected unless there is no GAID available.
Notes:
To enable GDPR data collection restrictions, call the restrictDataCollection method with the appropriate value for users who are EU Data Subjects. This method should be called before startWithAppId
Version 7.2.0 (May 1, 2018)
Fixes:
Black screens no longer occur when showing ads on Android 8.0.
Improvements:
Added restrictDataCollection method to support GDPR requirements.
Notes:
To enable GDPR data collection restrictions, call the restrictDataCollection method with the appropriate value for users who are EU Data Subjects. This method should be called before startWithAppId
Version 7.1.0 (March 30, 2018)
Fixes:
Enabled Moat viewability technology to allow serving of brand-based ads.
Updated Supersonic to ironSource.
Improvements:
Impression Trackers now use GET rather than POST.
illegalStateException no longer occurs in LG Nexus 5.
Fixed issue with older Kindle devices.
The Chartboost SDK requires API level 16 (Android OS 4.1) or higher.
Version 7.0.1 (October 24, 2017)
Fixes & Improvements:
INTERNET_UNAVAILABLE_AT_SHOW is reported when ad show is requested for a cached ad and internet is unavailable.
Behavior of click/dismiss on end card matches previous SDK versions.
SDK will not show incomplete ads.
User can now exit ad by pressing the back button.
Version 7.0.0 (August 4, 2017)
SDK 7.0.0 is a major release that focuses on quality and stability while adding some new features.
API Changes:
Changed behavior of Chartboost.setShouldRequestInterstitialsInFirstSession to match the iOS SDK:
This setting now only applies to interstitial ads. It no longer applies to rewarded video ads.
This setting will now be checked whether or not there is a delegate set. SDK 6 and below only checked the value if a delegate had been set.
Removed MoreApps support and deprecated API methods:
Chartboost.hasMoreApps() will always return false.
Chartboost.cacheMoreApps() and showMoreApps() will both call didFailToLoadMoreApps(location, END_POINT_DISABLED).
Deprecated Chartboost.isWebviewEnabled()
Removed the unused EMPTY_LOCAL_AD_LIST error code.
Added VIDEO_UNAVAILABLE_FOR_CURRENT_ORIENTATION error code, which can occur when playing a native ad.
InPlay changes:
CBInPlay.getAppIcon will now throw an exception if there is a failure to load the icon file or to decode it as a bitmap.
Added public final fields to CBInPlay (appName, location, largeAppIconUrl, largeAppIconFile).
The sample app was erroneously checking CBInPlay.hasInPlay() after calling CBInPlay.getInPlay(). It now uses the getInPlay() result without checking hasInPlay()
Fixes:
Fixed typos in sample app and permission entry in AndroidManifest.xml.
The same ads are no longer returned for the first few requests after startup.
Improvements:
Implemented better support for Exchange ads.
Implemented better support for interactive ads.
MRAID 2.0 is now supported.
Improved Prefetch.
Reduced DEX method count.
AdUnit assets are handled in arbitrary subdirectories.
If a bitmap or video is found to be corrupt when attempting to show an ad, we now delete the underlying file and call didFailToLoad on the delegate.
Removed MoreApps from ChartboostExampleApp.
willDisplayVideo delegate is called before starting CBImpressionActivity. This is primarily so that on Unity, the willDisplayVideo callback will be executed before the ad shows, rather than after.
Added a delay with exponential back-off between ad cache or show failures.
Version 6.6.3 (March 30, 2017)
Fixes:
Fixed NullPointerException issue when showing rewarded video.
Version 6.6.2 (March 20, 2017)
Fixes:
Fixed NullPointerException issue when downloading assets.
Reconnecting to internet when caching or showing ads no longer produces INTERNET_UNAVAILABLE error.
Fixed crashes when Google Play Services is not integrated on non-Kindle devices.
Resolved value changes in getDisplayMetrics().heightPixels.
Clarified ad server error messaging when no publisher campaigns are available.
Version 6.6.1 (November 3, 2016)
Fixes:
Fixed crashes with ironSource mediation.
Fixed a bug where cached ads were not shared between activities.
Fixed crashes with DT FairBid/DT Exchange mediation.
Fixed an issue where the close button was being misplaced.
Fixed crashes with Corona mediation rewarded video.
closeImpression() functionality has been deprecated.
Version 6.6.0 (October 13, 2016)
Features:
Added support for additional mediation partners.
InPlay works again in the Example App.
Improvements:
Added reasoning for certain app permissions in the manifest.
Reduced DEX method count by 606 in com.chartboost and 629 overall.
Fixes:
MoreApps page will no longer fail to show with loading bar enabled.
didShow delegate could be called when an ad was actually not shown.
Update device identifiers on every request.
Fixed an issue where the close button was being misplaced.
Optimized template parameter replacement.
Fixed a NullPointerException when backgrounding the app.
Version 6.5.1 (Sept. 1, 2016)
Fixes:
Invalid server responses no longer accepted as valid.
Version 6.5.0 (August 11, 2016)
Features & Improvements:
The example app CBSample has been renamed ChartboostExampleApp.
ChartboostExampleApp has been updated to better showcase Chartboost SDK features.
Chartboost SDK now uses network compression, improving performance.
Previously deprecated methods and classes now removed:
Fixed an issue in which pressing the back button did not call the dismiss/close delegates.
A cached ad will no longer fail to show.
SDK will no longer keep 0 byte files in cache when a download fails.
Video ads no longer stay paused after maximizing a minimized app.
Version 6.4.2 (June 30, 2016)
Features & Improvements:
The Chartboost Android SDK no longer supports the age gate feature. API methods related to age gate are being deprecated and will be removed in a future release.
Publishers only: All Chartboost ads are now shown using CBImpressionActivity. You must add CBImpressionActivity to your AndroidManifest.xml file, like this:<activity android:name="com.chartboost.sdk.CBImpressionActivity" android:excludeFromRecents="true" android:hardwareAccelerated="true" android:theme="@android:style/Theme.Translucent.NoTitleBar.Fullscreen" android:configChanges="keyboardHidden|orientation|screenSize" />Note: Make sure hardware acceleration is added and enabled when declaring the CBImpressionActivity in the manifest.
Fixes:
Media loading is now more efficient.
Memory usage on devices has been optimized.
Video download is now more efficient.
Fixed ConcurrentModificationException occurring in some devices.
Fixed issue with video playback when backgrounding.
Fixed IMPRESSION_ALREADY_VISIBLE error.
Version 6.4.1 (Mar. 25, 2016)
Fixes:
Various bug fixes.
Version 6.4.0 (Mar. 14, 2016)
With this SDK we will begin rolling out a brand new Chartboost Video experience, specially tailored for games. Upgrade now!
We’ve also improved key features like video caching, memory management, and data usage for optimal SDK performance.
Features & improvements:
New method setActivityCallbacks(boolean enabled) used to enable the activity lifecycle callbacks. Only available for Android 4.X and higher. This behavior is disabled by default.
Added a retry mechanism for downloading failed assets.
Cached impressions on soft bootups are invalidated if any shared assets are deleted.
Fixes:
Fixed issues causing “Could Not Delete Cache Entry for key” log message on startup.
Version 6.3.0 (Feb. 8, 2016)
Features & Improvements:
Upgrade now to get ready for the new Chartboost Video V2 experience, rolling out in Q1.
Older devices in the networking library no longer crash on occasion.
MoreApps rotation issue has been resolved.
Removed “Could Not Delete Cache Entry for key” notification from logs.
Version 6.2.0 (Jan. 13, 2016)
Features & Improvements:
New method getSDKVersion() returns the current version of the Chartboost SDK.
New method setShouldHideSystemUI(Boolean hide) hides or displays the Navigation and Notification bars for Chartboost ads.
setShouldRequestInterstitialsInFirstSession is no longer deprecated.
Fixes:
Improved handling of views when the app is minimized after clicking an ad.
Reduced network usage with more efficient handling of cached assets.
Version 6.1.0 (Nov. 19, 2015)
Features & Improvements:
Added didInitialize() delegate callback to notify that the SDK is initialized and ready to use
Fixes:
In Play Ads now properly trigger the failure delegate on failure in all cases
Restored support for Minimum Android API Level 9
Fixed a bug that caused null pointer exception crashes
Various bug fixes and stability improvements
Version 6.0.2 (Oct. 26, 2015)
Features & Improvements:
Video experience rebuilt from the ground up.
Android 6.0 Marshmallow support. Set the project’s Target SDK Version to API Level 23 in your AndroidManfiest.xml: android:targetSdkVersion="23"
Required to ensure compatibility with Android 6.0 devices:
Set the project’s Build SDK Version to API Level 23 in your build.gradle file: buildToolsVersion = '23.0.0'
Set the project’s Compile SDK Version to API Level 23 in your build.gradle file: compileSdkVersion = 23
Integration now requires the following entry in the AndroidManifest.xml file to display ads:<activity android:name="com.chartboost.sdk.CBImpressionActivity" android:excludeFromRecents="true" android:hardwareAccelerated="true" android:theme="@android:style/Theme.Translucent.NoTitleBar.Fullscreen" android:configChanges="keyboardHidden|orientation|screenSize" />
android.permission.WRITE_EXTERNAL_STORAGE is now an optional (but recommended) permission instead of required.
New recommended permission android.permission.READ_PHONE_STATE allows the SDK to handle calls interrupting video playback during videos.
New method, public void didPauseClickForConfirmation(Activity activity), to handle Age Gate functionality. Previous method didPauseClickForConfirmation() is now deprecated.
Extending ChartboostActivity as a method of integration is deprecated. If you rely on this functionality please contact us.
Fixes:
Bug fixes and improvements.
Version 5.5.3 (Aug. 5, 2015)
Fixes:
Fixed a crash in the retry event system.
Version 5.5.0 (Jun. 29, 2015)
Features & Improvements:
Added a new method, public void setMediation(String libraryName, String version), to track mediation partner library versions.
Fixes:
We temporarily pulled v5.5.0 to address a crash bug when retrying events in airplane mode.
Age gate now properly blocks video ads between the didPauseClickForConfirmation call and the successful didPassAgeGate response.
Removed an unnecessary video prefetch call.
Fixed bug that caused Chartboost activity leaking in some cases.
Prevented MoreApps page loading screen from displaying before static interstitial and rewarded video ads.
Fixed bug in sample app included in SDK download package that prevented GAID from being sent to our servers.
Corrected time zone format in reporting from devices running Android OS version 4.1 and older.
Version 5.4.1 (Jun. 4, 2015)
Fixes:
Fixed bug that caused Chartboost media files to appear in the Gallery app.
android.permission.WRITE_EXTERNAL_STORAGE is now required.
Version 5.4.0 (Jun. 1, 2015)
Features & Improvements:
Added error logging for all network calls.
Chartboost can now determine which network type the device is using.
Fixes:
Fixed bug causing ads to disappear on rotation while using activities.
Rewarded video pre-roll screen now properly displays after home key input.
Fixed null pointer exception that occurred when initializing Chartboost and making calls on different threads.
Fixed rare bug that prevented video prefetching under certain circumstances.
Version 5.3.0 (May 7, 2015)
Features & Improvements:
Added a new method, public void setFrameworkVersion(String version), to track custom framework versions.
All public methods are now static, so rather than using instance calls (e.g. this.cb) you can use the class name to call methods’ names (e.g. Chartboost.onCreate()).
SDK initialization API name and its parameters are changed.
ChartboostDelegate is not an interface anymore, but an abstract class. This means you don’t need to know ahead of time (or implement) the delegate callbacks that will be needed.
New activity callbacks, onPause() and onResume(), added.
Java API docs are provided along with SDK and a sample app (CBSample).
Version 4.1.2 (Aug. 20, 2014)
Features & Improvements:
Fixed crash related to null path checking.
Fixed an error related to linking Amazon in-app purchasing library.
Version 4.1.1 (Jun. 23, 2014)
Features & Improvements:
Fixed edge case crash when calling cacheInterstitial() early; this method should always be called after onStart().
Fixed crash while retrying request during network change.
Fixed crash when filesystem data unavailable.
Fixed tracking event overload on network failure.
Version 4.1.0 (Jun. 9, 2014)
Features & Improvements:
New product: Post-Install Analytics exposes in-app purchasing API for developers to track Google Play and Amazon Appstore in-app purchases. More information
New product: Tracking. This product is mainly used to log session events, user events, system events and debug events that are recorded by the SDK and sent to our servers.
Carrier information like carrier name, MCC, MNC, ISO and phone type is sent in every API request.
Permission android.permission.ACCESS_NETWORK_STATE is now required.
jb flag is sent on every request to determine if the device a jailbroken or rooted device.
New CBLocation constants (a default set of location constants which can be used during impression calls) provided to developers.
In app analytics, MoreApps page impressions now count toward total number of impressions.
All impression classes are now more structurally organized.
All impressions are grouped into their own packages.
File caching and network reachability is centralized across SDK use.
RequestManager module integrated with the new custom networking library for more reliable Chartboost API calls.
Some clickable elements in impressions now have a pressed effect to improve user experience
Deprecated methods (will be removed in the future releases):
startSession(): SDK will be internally handling and tracking the session calls.
clearImageCache(): Use clearCache() method, which performs the clearImageCache() operation internally.
setFramework(): Removed in the previous release, but restored as a deprecated method for the time being.
Version 4.0.1 (Apr. 22, 2014)
Features & Improvements:
Fixed crash due to Google Play Services security permission check.
Version 4.0.0 (Mar. 17, 2014) (requires Android OS v2.3+)
Features & Improvements:
Improved interstitial and MoreApps page animations; we recommend you target Android OS 4.0+ for best results.
Improved close button handling after device orientation changes.
Added age gate for ad links, accessible via a new shouldPauseClickForConfirmation() delegate method. Learn more
Fixed rare bug that served incorrect ad sizes.
Improved SDK organization: All Chartboost properties and settings are accessible/editable via a new CBPreferences class.
Added error constants that can be used to print delegate method failure reasons in log.
Renamed didFailToLoadUrl delegate method to didFailToRecordClick in order to more granularly describe event failures.
Added ability to configure logging for reports to Chartboost Support, accessible separate from the Chartboost instance via CBPreferences.setLoggingLevel(). Options are:
NONE: Nothing is logged.
INTEGRATION: The default setting — suspected integration errors will be logged (debug builds only).
ALL: Suspected integration errors, plus diagnostic errors and messages, will be logged (in debug and release builds).
Added client-side support for Google Play Services Advertising ID tracking.
CBAnalytics is no longer available.
Version 3.4.0 (Nov. 20, 2013)
Features & Improvements:
Now handles high-res interstitial assets!
Version 3.3.0 (Sep. 25, 2013)
Features & Improvements:
ChartboostActivity and ChartboostNativeActivity are simple alternatives to implementing Chartboost in your app. Simply extend your activities from either class (depending on whether you use native activities or not), provide the app ID and signature, and you’re done!
Changed documentation to suggest calling Chartboost.startSession() and cb.showInterstitial(); in your activity’s onStart() method, instead of in onCreate().
ChartboostDefaultDelegate is a new abstract class that serves as a ChartboostDelegate. Extending from this instead will allow you to skip overriding the methods you are not interested in, at the expense of not being able to inherit from your own base class. The default implementation returns true for any method that returns a boolean in the delegate.
didFailToLoadUrl() is called when the result of a click in an impression fails to load.
Added exceptions to warn you if you have forgotten to properly exclude Chartboost from your proguard using the line -keep class com.chartboost.sdk.** { *; }
Simultaneous identical interstitial or MoreApps request attempts will fail immediately. However, simultaneous interstitial requests with different locations are fine.
Fix allowing Chartboost servers to differentiate buggy Android 2.x devices that all share the same ANDROID_ID
Fixed an infrequent HTTP connection error during image downloads.
Fixed bug where if the network is lost while viewing the MoreApps page, a click would cause a progress bar to hang forever.
Fixed edge case crashes related to caching images.
Method Chartboost.orientation() is now called getOrientation()
Added ability to disable animations and fixed animation type none
Fixed memory leak that could sometimes occur with the activity impressions setting.
Removed dependence of sensor listener unless orientation is overridden.
Removed all dependencies on AsyncTask, ensuring full compatibility with multithreaded apps.
Fixed bug where screen stayed dark after closing interstitials on certain problem devices (including 4.1.2 Nexus S and Nexus 10).
Fixed interference with game-rate sensor listeners on certain problem devices (including 2.3.x Galaxy S1 and Galaxy S2).
Fixed crash when cacheInterstitial() was called off the UI thread.
Change: Show impression calls will immediately fail (and call delegate method) if an impression is already visible.
Stopped delegate method shouldDisplayLoadingViewForMoreApps() from being fired when showing interstitials.
Fixed delegate method shouldRequestMoreApps() was not being called as specified.
Fixed harmless Lint error about invalid package reference (also no longer necessary to include -dontwarn java.lang.management.** in your proguard configuration).
Fixed memory leak involved in using Chartboost in multiple subsequent activities.
Fail gracefully in low memory situations.
Added ability to suppress off-thread method calling exceptions for certain unusual use cases.
Version 3.1.5 (Feb. 13, 2013)
Features & Improvements:
Library javadoc now included!
Add chartboost.jar.properties and doc directory to libs
Adds support for campaign targeting by language.
Significant memory management improvements.
SDK no longer retains an activity reference, be sure to implement cb.onDestroy() in your activity’s onDestroy() method.
Improved stability when WiFi connected without internet connectivity
Interstitials now work in the Android emulator.
Removed deprecated methods, see documentation or the example project.
Added descriptive exceptions to occur in certain wrong implementation scenarios.
Now compatible with NativeActivity and other edge case scenarios.
Safer and more efficient image loading.
Fixed showMoreApps() when delegate is null.
Variety of stability and compatibility improvements.
Improved reliability when using proguard. Be sure to add the following to your proguard.cfg: -keep class com.chartboost.** { *; } -dontwarn java.lang.management.**
Version 3.1.3 (Dec. 14, 2012)
Features & Improvements:
Fixes language bug to improve stability for Asian languages.
Fixes rare http request: null error on certain devices.
Version 3.1.0 (Nov. 20, 2012)
Features & Improvements:
SDK is now an Interface instead of a Class.
New native interstitials: faster, less memory.
New native More-Apps page: faster, less memory, less network activity.
Asset caching: individual assets are cached & only downloaded if they don’t exist in cache.
Cache expiration: cached interstitials automatically expire after 24 hours.
Multi orientation support: if your app works in both orientations, simply select both (landscape and portrait) in the dashboard.
No longer uses an activity to display the view (better performance).
Handles tracking of cached interstitials properly.
Countless performance & stability upgrades.
New API method: cb.onCreate initializes Chartboost with cb.onCreate(Context, appID, appSignature, chartboostDelegate or null)
New API method: cb.startSession(), removed cb.install()
New delegate method: didCacheInterstitial called when an interstitial is successfully cached from the server, interstitial location identifier passed in.
New delegate method: didCacheMoreApps called when the MoreApps page is successfully cached from the server.
New delegate method: shouldRequestInterstitialsInFirstSession default is YES, you may override to NO if you don’t want interstitials displayed until after the 2nd startSession (for compliance with Human Interface Guidelines).
