Android Studio: Cannot find symbol class

Question

i am a newbie in making android apps in using android studio. i am doing the qr code make using zxing. i follow the website to do the steps which like adding the module and dependencies. However now i got these kind of errors. Can somebody help me in fixing it? thanks a lot.

coding part

message part

Looks like dependency against zxing is missing, in such case, check stackoverflow.com/questions/18656023/…. — 9re
– 9re, Commented Nov 28, 2015 at 9:23
i already add in the module setting there...but still the same... — Jeff
– Jeff, Commented Nov 29, 2015 at 2:28
I should, ah, also you should next time, look into the message part, which says 'bad class file magic(cafebabe) or version (0034.0000)'. it looks like you're using Java8. stackoverflow.com/questions/24662801/… — 9re
– 9re, Commented Nov 30, 2015 at 0:59

starkshang · Accepted Answer · 2015-11-28 09:22:31Z

1

Set your mouse cursor on this error and click alt+enter to import class.This error existed because import havn't been declared.

answered Nov 28, 2015 at 9:22

starkshang

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2 Comments

Jeff Over a year ago

thanks i made it already but when i debug the program. Now come out another problem. Error:Execution failed for task ':app:preDexDebug'. > com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.8.0_45\bin\java.exe'' finished with non-zero exit value 1 Can i know how to solve it?Thanks again.

Jeff Over a year ago

i edited my post already. Just click the message part link then it will show. Thanks.

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