How to build an application?

Question

linux

I'm trying to assemble hellow world in android studio, I seem to have set everything up, but I don't want to assemble, I write such a log

Information:Gradle tasks [:app:assembleDebug]
:app:preBuild
:app:compileDebugNdk UP-TO-DATE
:app:preDebugBuild
:app:checkDebugManifest
:app:prepareDebugDependencies
:app:compileDebugAidl UP-TO-DATE
:app:compileDebugRenderscript UP-TO-DATE
:app:generateDebugBuildConfig UP-TO-DATE
:app:generateDebugAssets UP-TO-DATE
:app:mergeDebugAssets UP-TO-DATE
:app:generateDebugResValues UP-TO-DATE
:app:generateDebugResources UP-TO-DATE
:app:mergeDebugResources UP-TO-DATE
:app:processDebugManifest UP-TO-DATE
:app:processDebugResources UP-TO-DATE
:app:generateDebugSources UP-TO-DATE
:app:compileDebugJava UP-TO-DATE
:app:preDexDebug UP-TO-DATE
:app:dexDebug UP-TO-DATE
:app:processDebugJavaRes UP-TO-DATE
:app:validateDebugSigning FAILED
Error:Execution failed for task ':app:validateDebugSigning'.
> Unable to recreate missing debug keystore.
Information:BUILD FAILED
Information:Total time: 10.897 secs
Information:1 error
Information:0 warnings
Information:See complete output in console

Answer 1

stackoverflow.com/questions/21415156/unable-to-rec... - try this. If it doesn't help, google for the phrase Unable to recreate missing debug keystore.