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Add Keep annotations to kotlin plugin example #640
Description
It crashes in release mode.
E/flutter (32388): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: Exception in Java code called through JNI: java.lang.NoSuchMethodError: no non-static method "LExample;.thinkBeforeAnswering(Lkotlin/coroutines/Continuation;)Ljava/lang/Object;"
E/flutter (32388):
E/flutter (32388): java.lang.NoSuchMethodError: no non-static method "LExample;.thinkBeforeAnswering(Lkotlin/coroutines/Continuation;)Ljava/lang/Object;"
E/flutter (32388):
E/flutter (32388):
E/flutter (32388): #0 JniAccessorWrappers.throwException (package:jni/src/accessors.dart:116)
E/flutter (32388): dart-lang/jnigen#1 _check (package:jni/src/accessors.dart:16)
E/flutter (32388): dart-lang/jnigen#2 JniResultMethods.check (package:jni/src/accessors.dart:21)
E/flutter (32388): dart-lang/jnigen#3 JniResultMethods.object (package:jni/src/accessors.dart:59)
E/flutter (32388): dart-lang/jnigen#4 Example.thinkBeforeAnswering (package:kotlin_plugin/kotlin_bindings.dart:61)
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Activity
mahesh-hegde commentedon Apr 30, 2023
Edit: It has
Keepbut for some reason it's not being applied to the continuation. I am not completely familiar with the suspend fn implementation.mahesh-hegde commentedon Apr 30, 2023
It requires
-dontobfuscateflag in proguard rules, because proguard obfuscates private method names.Realized when google search returned this question https://stackoverflow.com/questions/9651703/using-proguard-with-android-without-obfuscation.
HosseinYousefi commentedon Jun 1, 2023
Is this fixed now?
mahesh-hegde commentedon Jun 1, 2023
Nope I didn't do any code changes regarding this. You might try, and check if adding
-dontobfuscateworks. It worked for me.