App crashing when I run Proguard on GSON (which using enum)
I am using GSON in my Android app to parser the data. I have added an enum in my Model object. After adding an enum my app started crashing. When I made runProguard false everything works fine. I did everything I could find on internet to fix the problem when program is true. But still no luck.
I have already done following thing in proguard-rule file
-keep class com.google.** { *; }
-keepattributes *Annotation*
-keepattributes Signature
-keepclassmembers enum * { public static **[] values(); public static ** valueOf(java.lang.String); }
Enum Stuff example:
public enum TypeX {
@SerializedName("live")
LIVE,
@SerializedName("upcoming")
UPCOMING,
@SerializedName("replay")
REPLAY; }
My stack trace
java.lang.AssertionError
at com.google.gson.internal.bind.TypeAdapters$EnumTypeAdapter.<init>(Unknown Source)
at com.google.gson.internal.bind.TypeAdapters$26.create(Unknown Source)
at com.google.gson.Gson.getAdapter(Unknown Source)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.<init>(Unknown Source)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.createBoundField(Unknown Source)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.getBoundFields(Unknown Source)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.create(Unknown Source)
at com.google.gson.Gson.getAdapter(Unknown Source)
at com.google.gson.internal.bind.CollectionTypeAdapterFactory.create(Unknown Source)
at com.google.gson.Gson.getAdapter(Unknown Source)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.<init>(Unknown Source)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.createBoundField(Unknown Source)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.getBoundFields(Unknown Source)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.create(Unknown Source)
at com.google.gson.Gson.getAdapter(Unknown Source)
at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(Unknown Source)
at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.write(Unknown Source)
at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.write(Unknown Source)
at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(Unknown Source)
at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(Unknown Source)
at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(Unknown Source)
at com.google.gson.Gson.toJson(Unknown Source)
at com.google.gson.Gson.toJson(Unknown Source)
at com.google.gson.Gson.toJson(Unknown Source)
at com.google.gson.Gson.toJson(Unknown Source)
at com.theice.gsonapp.app.MainActivity.a(Unknown Source)
at com.theice.gsonapp.app.MainActivity.onCreate(Unknown Source)
at android.app.Activity.performCreate(Activity.java:5231)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
at android.app.ActivityThread.access$800(ActivityThread.java:135)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5017)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
at dalvik.system.NativeStart.main(Native Method)
This should be solved by using the following rule:
-keepclassmembers enum * { *; }
or the use the following:
-keepclassmembers enum com.your.package.** { *; }
Related answer: https://stackoverflow.com/a/30167048/4758255
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