Android studio 開發中遇到問題
阿新 • • 發佈：2019-01-25
1.錯誤 com.android.dex.util.ExceptionWithContext
UNEXPECTED TOP-LEVEL EXCEPTION: com.android.dex.util.ExceptionWithContext at com.android.dex.util.ExceptionWithContext.withContext(ExceptionWithContext.java:45) at com.android.dx.dex.cf.CfTranslator.processMethods(CfTranslator.java:369) at com.android.dx.dex.cf.CfTranslator.translate0(CfTranslator.java:137) at com.android.dx.dex.cf.CfTranslator.translate(CfTranslator.java:93) at com.android.dx.command.dexer.Main.processClass(Main.java:729) at com.android.dx.command.dexer.Main.processFileBytes(Main.java:673) at com.android.dx.command.dexer.Main.access$300(Main.java:83) at com.android.dx.command.dexer.Main$1.processFileBytes(Main.java:602) at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:170) at com.android.dx.cf.direct.ClassPathOpener.processDirectory(ClassPathOpener.java:229) at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:158) at com.android.dx.cf.direct.ClassPathOpener.processDirectory(ClassPathOpener.java:229) at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:158) at com.android.dx.cf.direct.ClassPathOpener.processDirectory(ClassPathOpener.java:229) at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:158) at com.android.dx.cf.direct.ClassPathOpener.processDirectory(ClassPathOpener.java:229) at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:158) at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:144) at com.android.dx.command.dexer.Main.processOne(Main.java:632) at com.android.dx.command.dexer.Main.processAllFiles(Main.java:510) at com.android.dx.command.dexer.Main.runMonoDex(Main.java:280) at com.android.dx.command.dexer.Main.run(Main.java:246) at com.android.dx.command.dexer.Main.main(Main.java:215) at com.android.dx.command.Main.main(Main.java:106) Caused by: java.lang.NullPointerException at com.android.dx.cf.code.ConcreteMethod.<init>(ConcreteMethod.java:87) at com.android.dx.cf.code.ConcreteMethod.<init>(ConcreteMethod.java:75) at com.android.dx.dex.cf.CfTranslator.processMethods(CfTranslator.java:271) ... 22 more ...while processing <init> (Lcom/koabc/launcher/Launcher;)V ...while processing com/koabc/launcher/Launcher$1.class 1 error; aborting Error:Execution failed for task ':app:dexDebug'. > com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'D:\develop\Java\bin\java.exe'' finished with non-zero exit value 1
dex 編譯BUG,出現情況一般會有以下兩個條件，有例項化的內部類，有一個if條件的程式碼塊，並且這個if條件是一個常量(final 修飾，通常值為false)
解決方法：調整程式碼結構或去掉if程式碼塊或讓其值為true