emulator is not working properly
what for you are there for check emulator onlyy you are there understand that
Please explain the problem with more details
Also please set the category to MIT App Inventor help first, once we find the problem, we will move it to bugs and other issues category (if the problem was a bug)
please check the FAQ
also after doing a search in the community you can find similar threads including recommendations what to do...
Taifun
My Emulator was looking like it would work and the this "runtime error" popped up:
and then it said after that that my ai starter wasn't running when it really was! What do I do?!?!
@Arman in this case the no such class error is not about importing an extension, it is about a button component
Probably the emulator faq can help?
Taifun
well the only "USB" plugged in is my charge cord but now it's showing this:
Also I used the Company Portal to get MIT App Inventor so I don't know what version it is.
This is what shows up when I have the Emulator running
Runtime Error
Error from Companion: java.lang.RuntimeException: invalid syntax in eval form: :9:1: caught exception in inliner for # - java.lang.RuntimeException: no such class: com.google.appinventor.components.runtime.com.google.appinventor.components.runtime.Button gnu.bytecode.ObjectType.getReflectClass(ObjectType.java:148) gnu.bytecode.ClassType.getModifiers(ClassType.java:103) gnu.bytecode.ClassType.isInterface(ClassType.java:471) gnu.expr.InlineCalls.checkType(InlineCalls.java:56) gnu.expr.InlineCalls.visit(InlineCalls.java:49) gnu.expr.InlineCalls.visitSetExpValue(InlineCalls.java:363) gnu.expr.InlineCalls.visitSetExpValue(InlineCalls.java:28) gnu.expr.ExpVisitor.visitSetExp(ExpVisitor.java:114) gnu.expr.InlineCalls.visitSetExp(InlineCalls.java:369) gnu.expr.InlineCalls.visitSetExp(InlineCalls.java:28) gnu.expr.SetExp.visit(SetExp.java:406) gnu.expr.ExpVisitor.visit(ExpVisitor.java:55) gnu.expr.InlineCalls.visit(InlineCalls.java:46) gnu.expr.InlineCalls.visitBeginExp(InlineCalls.java:272) gnu.expr.InlineCalls.visitBeginExp(InlineCalls.java:28) gnu.expr.BeginExp.visit(BeginExp.java:156) gnu.expr.ExpVisitor.visit(ExpVisitor.java:51) gnu.expr.InlineCalls.visit(InlineCalls.java:46) gnu.expr.InlineCalls.visitBeginExp(InlineCalls.java:272) gnu.expr.InlineCalls.visitBeginExp(InlineCalls.java:28) gnu.expr.BeginExp.visit(BeginExp.java:156) gnu.expr.ExpVisitor.visit(ExpVisitor.java:51) gnu.expr.InlineCalls.visit(InlineCalls.java:46) gnu.expr.InlineCalls.visitLetExp(InlineCalls.java:317) gnu.expr.InlineCalls.visitLetExp(InlineCalls.java:28) gnu.expr.LetExp.visit(LetExp.java:207) gnu.expr.ExpVisitor.visit(ExpVisitor.java:51) gnu.expr.InlineCalls.visit(InlineCalls.java:46) gnu.expr.InlineCalls.visit(InlineCalls.java:28) gnu.expr.LambdaExp.visitChildrenOnly(LambdaExp.java:1664) gnu.expr.LambdaExp.visitChildren(LambdaExp.java:1651) gnu.expr.InlineCalls.visitScopeExp(InlineCalls.java:279) gnu.expr.InlineCalls.visitLambdaExp(InlineCalls.java:349) gnu.expr.InlineCalls.visitLambdaExp(InlineCalls.java:28) gnu.expr.LambdaExp.visit(LambdaExp.java:1640) gnu.expr.ExpVisitor.visit(ExpVisitor.java:55) gnu.expr.InlineCalls.visit(InlineCalls.java:46) gnu.expr.InlineCalls.visit(InlineCalls.java:28) gnu.expr.ExpVisitor.visitAndUpdate(ExpVisitor.java:162) gnu.expr.ExpVisitor.visitExps(ExpVisitor.java:176) gnu.expr.ApplyExp.visitArgs(ApplyExp.java:416) gnu.kawa.reflect.CompileInvoke.validateApplyInvoke(CompileInvoke.java:23) java.lang.reflect.Method.invokeNative(Native Method) java.lang.reflect.Method.invoke(Method.java:521) gnu.expr.InlineCalls.maybeInline(InlineCalls.java:467) gnu.expr.QuoteExp.validateApply(QuoteExp.java:150) gnu.expr.ReferenceExp.validateApply(ReferenceExp.java:191) gnu.kawa.functions.CompilationHelpers.validateApplyToArgs(CompilationHelpers.java:66) java.lang.reflect.Method.invokeNative(Native Method) java.lang.reflect.Method.invoke(Method.java:521) gnu.expr.InlineCalls.maybeInline(InlineCalls.java:467) gnu.expr.QuoteExp.validateApply(QuoteExp.java:150) gnu.expr.ReferenceExp.validateApply(ReferenceExp.java:191) gnu.expr.InlineCalls.visitApplyExp(InlineCalls.java:119) gnu.expr.InlineCalls.visitApplyExp(InlineCalls.java:28) gnu.expr.ApplyExp.visit(ApplyExp.java:411) gnu.expr.ExpVisitor.visit(ExpVisitor.java:55) gnu.expr.InlineCalls.visit(InlineCalls.java:46) gnu.expr.QuoteExp.validateApply(QuoteExp.java:162) gnu.expr.ReferenceExp.validateApply(ReferenceExp.java:191) gnu.kawa.functions.CompilationHelpers.validateApplyToArgs(CompilationHelpers.java:66) java.lang.reflect.Method.invokeNative(Native Method) java.lang.reflect.Method.invoke(Method.java:521) gnu.expr.InlineCalls.maybeInline(InlineCalls.java:467) gnu.expr.QuoteExp.validateApply(QuoteExp.java:150) gnu.expr.ReferenceExp.validateApply(ReferenceExp.java:191) gnu.expr.InlineCalls.visitApplyExp(InlineCalls.java:119) gnu.expr.InlineCalls.visitApplyExp(InlineCalls.java:28) gnu.expr.ApplyExp.visit(ApplyExp.java:411) gnu.expr.ExpVisitor.visit(ExpVisitor.java:51) gnu.expr.InlineCalls.visit(InlineCalls.java:46) gnu.expr.InlineCalls.visitBeginExp(InlineCalls.java:272) gnu.expr.InlineCalls.visitBeginExp(InlineCalls.java:28) gnu.expr.BeginExp.visit(BeginExp.java:156) gnu.expr.ExpVisitor.visit(ExpVisitor.java:51) gnu.expr.InlineCalls.visit(InlineCalls.java:46) gnu.expr.InlineCalls.visit(InlineCalls.java:28) gnu.expr.LambdaExp.visitChildrenOnly(LambdaExp.java:1664) gnu.expr.LambdaExp.visitChildren(LambdaExp.java:1651) gnu.expr.InlineCalls.visitScopeExp(InlineCalls.java:279) gnu.expr.InlineCalls.visitLambdaExp(InlineCalls.java:349) gnu.expr.InlineCalls.visitLambdaExp(InlineCalls.java:28) gnu.expr.ExpVisitor.visitModuleExp(ExpVisitor.java:103) gnu.expr.ModuleExp.visit(ModuleExp.java:482) gnu.expr.ExpVisitor.visit(ExpVisitor.java:51) gnu.expr.InlineCalls.visit(InlineCalls.java:46) gnu.expr.InlineCalls.inlineCalls(InlineCalls.java:33) gnu.expr.Compilation.walkModule(Compilation.java:994) gnu.expr.Compilation.process(Compilation.java:1965) gnu.expr.ModuleInfo.loadByStages(ModuleInfo.java:330) gnu.expr.ModuleExp.evalModule1(ModuleExp.java:238) gnu.expr.ModuleExp.evalModule(ModuleExp.java:198) gnu.expr.Language.eval(Language.java:943) gnu.expr.Language.eval(Language.java:883) gnu.expr.Language.eval(Language.java:865) com.google.appinventor.components.runtime.util.AppInvHTTPD.serve(AppInvHTTPD.java:188) com.google.appinventor.components.runtime.util.NanoHTTPD$HTTPSession.run(NanoHTTPD.java:470) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1068) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:561) java.lang.Thread.run(Thread.java:1096)
not work and I took this messaage.
Here are alternative emulator setups you can try using Companion->Connect