Is Android supported now? #403

hsluoyz · 2021-07-26T13:14:27Z

@killme2008 hi, I'm from Casbin community. Casbin uses aviator as evaluation engine and a user reported that aviator doesn't support Android in: casbin/jcasbin#214 . When can the support be added? Thanks for the contribution!

killme2008 · 2021-07-27T03:27:31Z

Sorry, i don't have time to do it.

hsluoyz · 2021-07-27T04:43:41Z

@killme2008 can you give us some suggestions like which parts need to be fixed to support Android? We may have some developers to work on this.

killme2008 · 2021-08-06T09:19:34Z

@hsluoyz I will implement it in 5.3 version.

killme2008 · 2021-09-12T10:04:58Z

@hsluoyz hi, i am implementing interpreter mode in #412 .

It's almost completed right now, can you help me to try it on android platform?

You can create a script engine in interpreter mode by :

AviatorEvaluatorInstance engine = AviatorEvaluator.newInstance(EvalMode.INTERPRETER);

Then use the instance as a normal engine as before.

killme2008 · 2021-09-12T10:06:16Z

Of course, the default(global) script engine will try to detect if it's running on android platform , then use interpreter mode by default.

hsluoyz · 2021-09-12T10:25:04Z

@killme2008 thanks for supporting Android!

@tangyang9464 can you try this solution?

tangyang9464 · 2021-09-12T10:35:15Z

@hsluoyz @killme2008 I'll do it

killme2008 · 2021-09-13T04:40:01Z

@tangyang9464 If you have any test result or issues, please let me known. I will release a beta version ASAP.

tangyang9464 · 2021-09-13T06:02:09Z

@tangyang9464 If you have any test result or issues, please let me known. I will release a beta version ASAP.

@killme2008 I tested it briefly and compared with the previous version, at least it can now run successfully on the Android platform.
And it can works with or without EvalMode.INTERPRETER

killme2008 · 2021-09-13T06:13:29Z

@tangyang9464 yep, it will detect if it's running on andorid platform, if so, then use interpreter by default.

tangyang9464 · 2021-09-13T06:20:01Z

@killme2008 ok，waiting for the beta release version. We will test it in our application later.

killme2008 · 2021-09-14T07:55:02Z

I released 5.3.0-beta , you can test it right now, thank you. @tangyang9464

killme2008 · 2021-09-14T07:55:45Z

Release note https://github.com/killme2008/aviatorscript/releases/tag/aviator-5.3.0-beta
Doc https://www.yuque.com/boyan-avfmj/aviatorscript/ok8agx
example https://github.com/killme2008/aviatorscript/blob/master/src/test/java/com/googlecode/aviator/example/InterpreterExample.java

tangyang9464 · 2021-09-15T05:30:18Z

@killme2008 I test the 5.3.0-beta, but it reported an error. The code just AviatorEvaluatorInstance engine = AviatorEvaluator.newInstance(EvalMode.INTERPRETER);

java.lang.ExceptionInInitializerError
        at com.googlecode.aviator.AviatorEvaluator$StaticHolder.access$000(AviatorEvaluator.java:100)
        at com.googlecode.aviator.AviatorEvaluator.getInstance(AviatorEvaluator.java:112)
        at com.googlecode.aviator.AviatorEvaluator.<clinit>(AviatorEvaluator.java:61)
        at com.googlecode.aviator.AviatorEvaluator.newInstance(AviatorEvaluator.java:88)
        at com.example.android.testing.ServiceTestRuleSample.LocalService.getRandomInt(LocalService.java:74)
        at com.example.android.testing.ServiceTestRuleSample.LocalServiceTest.testWithBoundService(LocalServiceTest.java:75)
        at java.lang.reflect.Method.invoke(Native Method)
        at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
        at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
        at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at androidx.test.rule.ServiceTestRule$ServiceStatement.evaluate(ServiceTestRule.java:337)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
        at androidx.test.ext.junit.runners.AndroidJUnit4.run(AndroidJUnit4.java:162)
        at org.junit.runners.Suite.runChild(Suite.java:128)
        at org.junit.runners.Suite.runChild(Suite.java:27)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
        at androidx.test.internal.runner.TestExecutor.execute(TestExecutor.java:56)
        at androidx.test.runner.AndroidJUnitRunner.onStart(AndroidJUnitRunner.java:453)
        at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:2205)
     Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'com.googlecode.aviator.Options$Value com.googlecode.aviator.AviatorEvaluatorInstance.getOptionValue(com.googlecode.aviator.Options)' on a null object reference
        at com.googlecode.aviator.runtime.RuntimeUtils.isTracedEval(RuntimeUtils.java:124)
        at com.googlecode.aviator.code.interpreter.InterpretContext.<init>(InterpretContext.java:36)
        at com.googlecode.aviator.InterpretExpression.loadConstants(InterpretExpression.java:50)
        at com.googlecode.aviator.InterpretExpression.<init>(InterpretExpression.java:40)
        at com.googlecode.aviator.code.interpreter.InterpretCodeGenerator.getResult(InterpretCodeGenerator.java:359)
        at com.googlecode.aviator.code.OptimizeCodeGenerator.getResult(OptimizeCodeGenerator.java:438)
        at com.googlecode.aviator.code.LambdaGenerator.getResult(LambdaGenerator.java:424)
        at com.googlecode.aviator.code.LambdaGenerator.getLmabdaBootstrap(LambdaGenerator.java:189)
        at com.googlecode.aviator.code.OptimizeCodeGenerator.onLambdaBodyEnd(OptimizeCodeGenerator.java:783)
        at com.googlecode.aviator.code.LambdaGenerator.onLambdaBodyEnd(LambdaGenerator.java:472)
        at com.googlecode.aviator.parser.ExpressionParser.ifStatement(ExpressionParser.java:1916)
        at com.googlecode.aviator.parser.ExpressionParser.statement(ExpressionParser.java:1627)
        at com.googlecode.aviator.parser.ExpressionParser.statements(ExpressionParser.java:1853)
        at com.googlecode.aviator.parser.ExpressionParser.forStatement(ExpressionParser.java:1789)
        at com.googlecode.aviator.parser.ExpressionParser.statement(ExpressionParser.java:1634)
        at com.googlecode.aviator.parser.ExpressionParser.statements(ExpressionParser.java:1853)
        at com.googlecode.aviator.parser.ExpressionParser.lambda(ExpressionParser.java:793)
        at com.googlecode.aviator.parser.ExpressionParser.fnStatement(ExpressionParser.java:1265)
        at com.googlecode.aviator.parser.ExpressionParser.statement(ExpressionParser.java:1656)
        at com.googlecode.aviator.parser.ExpressionParser.statements(ExpressionParser.java:1835)
        at com.googlecode.aviator.parser.ExpressionParser.parse(ExpressionParser.java:1106)
        at com.googlecode.aviator.parser.ExpressionParser.parse(ExpressionParser.java:1120)
        at com.googlecode.aviator.AviatorEvaluatorInstance.innerCompile(AviatorEvaluatorInstance.java:1513)
        at com.googlecode.aviator.AviatorEvaluatorInstance.compile(AviatorEvaluatorInstance.java:1474)
        at com.googlecode.aviator.AviatorEvaluatorInstance.compile(AviatorEvaluatorInstance.java:1432)
        at com.googlecode.aviator.AviatorEvaluatorInstance.loadInternalFunctions(AviatorEvaluatorInstance.java:1053)
        at com.googlecode.aviator.AviatorEvaluatorInstance.loadInternalLibs(AviatorEvaluatorInstance.java:1037)
        at com.googlecode.aviator.AviatorEvaluatorInstance.loadLib(AviatorEvaluatorInstance.java:902)
        at com.googlecode.aviator.AviatorEvaluatorInstance.<init>(AviatorEvaluatorInstance.java:1091)
        at com.googlecode.aviator.AviatorEvaluator$StaticHolder.<clinit>(AviatorEvaluator.java:102)

I used yours feature/interpreter before and it can works.

killme2008 · 2021-09-15T05:57:59Z

sorry, i don't have an android environment to test it. It's a bug here, i will fix it ASAP.

killme2008 · 2021-09-15T06:08:35Z

Fixed in 797abed

Try to release beta2

killme2008 · 2021-09-15T07:40:25Z

Released 5.3.0-beta2. https://repo1.maven.org/maven2/com/googlecode/aviator/aviator/5.3.0-beta2/

Thank you for your test.

killme2008 · 2021-09-16T02:46:53Z

@tangyang9464 have you tried beta2? any problems?

tangyang9464 · 2021-09-16T03:06:42Z

@killme2008 No problems for now

killme2008 · 2021-10-15T08:15:03Z

@tangyang9464 hi, Did you found any problems in 5.3.0-beta2 version running on android? If not, i will release 5.3.0 ASAP.

tangyang9464 · 2021-10-15T08:20:57Z

@killme2008 No bugs have been reported so far. I think it can be released

hsluoyz mentioned this issue Jul 26, 2021

java.lang.UnsupportedOperationException: can't load this type of class file (in android) casbin/jcasbin#214

Closed

killme2008 closed this as completed Sep 14, 2021

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Is Android supported now? #403

Is Android supported now? #403

hsluoyz commented Jul 26, 2021 •

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Is Android supported now? #403

Is Android supported now? #403

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