viewcrawler NPE crash

[yuanliu666]

Hi I am running app on emulator API 16, using com.mixpanel.android:mixpanel-android:5.2.1 And it's causing below NPE crash. It works fine on other devices with API 19, 23 and 26. Could you help me with this issue? Thanks.

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11-16 16:34:15.540 3429-3485/? E/AndroidRuntime: FATAL EXCEPTION: com.mixpanel.android.viewcrawler.ViewCrawler
java.lang.NullPointerException
at android.util.Pair.hashCode(Pair.java:62)
at java.util.HashMap.put(HashMap.java:390)
at java.util.HashSet.add(HashSet.java:95)
at com.mixpanel.android.viewcrawler.ViewCrawler$ViewCrawlerHandler.loadEventBindings(ViewCrawler.java:463)
at com.mixpanel.android.viewcrawler.ViewCrawler$ViewCrawlerHandler.loadKnownChanges(ViewCrawler.java:394)
at com.mixpanel.android.viewcrawler.ViewCrawler$ViewCrawlerHandler.handleMessage(ViewCrawler.java:330)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.os.HandlerThread.run(HandlerThread.java:60)

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[argenisf]

Hey @yuanliu666

Thanks for the report! This relates to issue 507 which has been patched and will be included in our next release.