android - Does not work when use ProGuard -

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the logcat below. wrong?

07-24 10:54:13.529: e/androidruntime(12130): fatal exception: asynctask #3

07-24 10:54:13.529: e/androidruntime(12130): java.lang.runtimeexception: error occured while executing doinbackground()

07-24 10:54:13.529: e/androidruntime(12130): @ android.os.asynctask$3.done(asynctask.java:299)

07-24 10:54:13.529: e/androidruntime(12130): @ java.util.concurrent.futuretask$sync.innersetexception(futuretask.java:273)

07-24 10:54:13.529: e/androidruntime(12130): @ java.util.concurrent.futuretask.setexception(futuretask.java:124)

07-24 10:54:13.529: e/androidruntime(12130): @ java.util.concurrent.futuretask$sync.innerrun(futuretask.java:307)

07-24 10:54:13.529: e/androidruntime(12130): @ java.util.concurrent.futuretask.run(futuretask.java:137)

07-24 10:54:13.529: e/androidruntime(12130): @ java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1076)

07-24 10:54:13.529: e/androidruntime(12130): @ java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:569)

07-24 10:54:13.529: e/androidruntime(12130): @ java.lang.thread.run(thread.java:856)

07-24 10:54:13.529: e/androidruntime(12130): caused by: java.lang.assertionerror: illegal type variable reference

07-24 10:54:13.529: e/androidruntime(12130): @ org.apache.harmony.luni.lang.reflect.implforvariable.resolve(implforvariable.java:113)

07-24 10:54:13.529: e/androidruntime(12130): @ org.apache.harmony.luni.lang.reflect.implforvariable.getgenericdeclaration(implforvariable.java:127)

07-24 10:54:13.529: e/androidruntime(12130): @ org.apache.harmony.luni.lang.reflect.implforvariable.hashcode(implforvariable.java:46)

07-24 10:54:13.529: e/androidruntime(12130): @ java.util.arrays.hashcode(arrays.java:1260)

07-24 10:54:13.529: e/androidruntime(12130): @ com.google.gson.internal.$gson$types$parameterizedtypeimpl.hashcode(sourcefile:475)

07-24 10:54:13.529: e/androidruntime(12130): @ com.google.gson.reflect.typetoken.(sourcefile:64)

07-24 10:54:13.529: e/androidruntime(12130): @ com.gaozhi.wh.asynctask.myasynctask$2$1.(sourcefile:78)

07-24 10:54:13.529: e/androidruntime(12130): @ com.gaozhi.wh.asynctask.myasynctask$2.call(sourcefile:78)

07-24 10:54:13.529: e/androidruntime(12130): @ com.gaozhi.wh.asynctask.myasynctask$2.call(sourcefile:1)

07-24 10:54:13.529: e/androidruntime(12130): @ com.gaozhi.wh.utils.async.asynctaskutils$2.doinbackground(sourcefile:114)

07-24 10:54:13.529: e/androidruntime(12130): @ com.gaozhi.wh.utils.async.asynctaskutils$2.doinbackground(sourcefile:1)

07-24 10:54:13.529: e/androidruntime(12130): @ android.os.asynctask$2.call(asynctask.java:287)

07-24 10:54:13.529: e/androidruntime(12130): @ java.util.concurrent.futuretask$sync.innerrun(futuretask.java:305) 07-24 10:54:13.529: e/androidruntime(12130): ... 4 more

i found caused line of code error

info = gsonutils.getmutilebean(result,new typetoken<jsonresult<t>>() {}.gettype());

public static <t> t getmutilebean(string jsondata, type type)         throws exception {     return new gson().fromjson(jsondata, type); }

.

but had add proguard configuration gson

# gson uses generic type information stored in class file when working fields. proguard

# removes such information default, configure keep of it.

-keepattributes signature

# using gson @expose annotation

-keepattributes annotation

# gson specific classes

-keep class sun.misc.unsafe { *; }

#-keep class com.google.gson.stream.** { *; }

# application classes serialized/deserialized on gson

-keep class com.google.gson.examples.android.model.** { *; }

you may need add

-keepattributes enclosingmethod

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