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androidproguardmixpanel

MixPanelAPI NoClassDefFoundError


I'm struggling with java.lang.NoClassDefFoundError when invoking com.mixpanel.android.mpmetrics.MixpanelAPI

It is because I run proguard (I have to). However I added proguard exclusion:

-keep public class com.mixpanel.android.mpmetrics.**

or

-keep public class com.mixpanel.android.mpmetrics.MixpanelAPI { *; }

but it doesn't help.

Notice worth mentioning is that I get MixpanelAPI lib in that way:

        compile "com.mixpanel.android:mixpanel-android:4.0.0@aar"

So it's aar, not standard jar.

How to run it with proguard but not loosing Mixpanel code ?


Solution

  • As of version 4.5, Mixpanel advises using the following proguard settings

    -keep class com.mixpanel.android.abtesting.** { *; }
    -keep class com.mixpanel.android.mpmetrics.** { *; }
    -keep class com.mixpanel.android.surveys.** { *; }
    -keep class com.mixpanel.android.util.** { *; }
    -keep class com.mixpanel.android.java_websocket.** { *; }
    
    -keepattributes InnerClasses
    
    -keep class **.R
    -keep class **.R$* {
        <fields>;
    }
    

    You can find these instructions in the README of the Mixpanel library, at https://github.com/mixpanel/mixpanel-android/blob/master/README.md in the changelog for version 4.5