Configure Android Studio | Android Developers

Click File > Settings (on macOS, Android Studio > Preferences) to open the Settings dialog. In the left pane, expand the Editor section and click Inspections. Platform AndroidStudio GooglePlay Jetpack Kotlin Docs Games Language English BahasaIndonesia Español–AméricaLatina Português–Brasil TiếngViệt 中文–简体 中文–繁體 日本語 한국어 Signin AndroidStudio Download What'snew Userguide Preview Platform AndroidStudio Download What'snew Userguide Preview GooglePlay Jetpack Kotlin Docs Games MeetAndroidStudio OverviewInstallAndroidStudioMigratetoAndroidStudioConfiguretheIDEKeyboardshortcutsAccessibilityfeaturesUpdatetheIDEandtools Workflowbasics Manageyourproject OverviewCreateaprojectAboutPlayFeatureDelivery AddCandC++code OverviewInstallNDKandCMakeConfiguretheNDKforAGPConfigureCMakeLinkGradleCreateanAndroidlibrarySetupcontinuousintegration Writeyourapp OverviewAddcodefromatemplateFindsamplecodeAddamoduleforanewdeviceCreateaJavaclassortypeUseJava8languagefeaturesJava8languagesupporttableAddappresourcesBuildaUIwithLayoutEditorBuildanimationwithMotionEditorManageyourapp'sUIresourcesDesignappthemesAddmulti-densityvectorgraphicsCreateiconswithImageAssetStudioCreateresizablebitmaps(9-Patch)CreateWebPimagesLocalizetheUIAddAndroidapplinksConnecttoFirebaseImproveyourcodewithlintchecksImprovecodeinspectionwithannotationsToolsattributesreference Buildandrunyourapp Overview Runappsontheemulator OverviewCreateandmanagevirtualdevicesStarttheemulatorfromthecommandlineSendemulatorconsolecommandsSetupemulatornetworkingConfigurehardwareaccelerationEmulatorfeaturecomparisonTroubleshootemulator Runappsonahardwaredevice OverviewInstallOEMUSBdriversGettheGoogleUSBdriverCreaterun/debugconfigurationsBuildyourappfromthecommandline Configureyourbuild OverviewConfiguretheappmoduleAddbuilddependenciesConfigurebuildvariantsUsetheAndroidGradlepluginUpgradeAssistantGradletipsandrecipesMigratetoKotlinscript Optimizeyourbuildspeed OverviewTroubleshootbuildperformanceProfileyourbuildUsetheMavenPublishpluginManagemanifestfilesShrinkyourappEnablemultidexExtendtheAndroidGradlepluginIntegrateacustomC/C++buildsystem Debugyourapp OverviewConfiguredeveloperoptionsWriteandviewlogsAnalyzeastacktraceDebugyourlayoutwithLayoutInspectorInspectnetworktrafficwiththeNetworkInspectorDebugyourdatabasewiththeDatabaseInspectorDebugyourWorkManagerWorkerswithBackgroundTaskInspectorViewon-devicefilesDebugpre-builtAPKsTakeascreenshotRecordavideoCaptureandreadbugreportsAnalyzeyourbuildwithAPKAnalyzer Testyourapp OverviewTestinAndroidStudioTestfromthecommandlineAdvancedtestsetup Othertestingtools OverviewEspressoTestRecorderAppCrawlerMonkeytesting monkeyrunnerreference OverviewMonkeyDeviceMonkeyImageMonkeyRunner Profileyourapp Overview AndroidStudioprofilers Overview ProfileCPUactivity OverviewRecordtracesExporttracesImporttracesInspecttracesUIjankdetectionGeneratetracelogsbyinstrumentingyourappProfilememoryusageProfileenergyuseProfilewithpre-builtAPKs Measureperformance OverviewExamples Publishyourapp OverviewPrepareforreleaseVersionyourappSignyourappUploadyourapp Publishyourlibrary OverviewPrepareforreleaseConfigurepublicationvariantsConfiguretestfixturesforpublicationUploadyourlibrary Commandlinetools Overviewaapt2adbapkanalyzerapksigneravdmanagerbmgrbundletoold8dmtracedumpdumpsysetc1tooljobbjetifier-standalonelogcatmksdcardretracesdkmanagersystraceperfettozipalignEnvironmentvariables Troubleshoot Knownissues Reportabug AndroidDevelopers AndroidStudio Userguide ConfigureAndroidStudio AndroidStudioprovideswizardsandtemplatesthatverifyyoursystem requirements,suchastheJavaDevelopmentKit(JDK)andavailableRAM,and configuredefaultsettings,suchasanoptimizeddefaultAndroidVirtualDevice (AVD)emulationandupdatedsystemimages.Thisdocumentdescribesadditional configurationsettingsyoumaywanttousetocustomizeyouruseofAndroid Studio. AndroidStudioprovidesaccesstotwoconfigurationfilesthroughtheHelp menu: studio.vmoptions:CustomizeoptionsforStudio'sJava VirtualMachine(JVM),suchasheapsizeandcachesize.NotethatonLinux machinesthisfilemaybenamedstudio64.vmoptions,dependingonyourversion ofAndroidStudio. idea.properties:CustomizeAndroidStudioproperties,such asthepluginsfolderpathormaximumsupportedfilesize. Forspecificdocumentationaboutemulatoranddevicesetupanduse,seethe followingtopics: Managingvirtualdevices Usinghardwaredevices OEMUSBdrivers Findyourconfigurationfiles BothconfigurationfilesarestoredintheconfigurationfolderforAndroid Studio.ThenameofthefolderdependsonyourStudioversion.Herearethe locationsforAndroidStudio4.1andhigher: Windows Syntax:%APPDATA%\Google\ Example:C:\Users\YourUserName\AppData\Roaming\Google\AndroidStudio4.1 macOS Syntax:~/Library/ApplicationSupport/Google/ Example:~/Library/ApplicationSupport/Google/AndroidStudio4.1 Linux Syntax:~/.config/Google/ Example:~/.config/Google/AndroidStudio4.1 ForAndroidStudioversions4.0andlower,configurationfilesarelocatedin thefollowinglocations: Windows:%USERPROFILE%\.CONFIGURATION_FOLDER macOS:~/Library/Preferences/CONFIGURATION_FOLDER Linux:~/.CONFIGURATION_FOLDER Note:Aneasywaytolocateyourconfigurationdirectoryistonavigateto Help>EditCustomVMOptionsinAndroidStudio.Thiswillopena configurationfile.Inspectthepathoftheconfigurationfiletofindyour configurationdirectory. Youcanalsousethefollowingenvironmentvariablestopointtospecific overridefileselsewhere: STUDIO_VM_OPTIONS:setthenameandlocationofthe.vmoptionsfile STUDIO_PROPERTIES:setthenameandlocationofthe.propertiesfile STUDIO_JDK:settheJDKwithwhichtorunStudio CustomizeyourVMoptions Thestudio.vmoptionsfileallowsyoutocustomizeoptionsforAndroidStudio's JVM.ToimproveStudio'sperformance,themostcommonoptiontoadjustisthe maximumheapsize,butyoucanalsousethestudio.vmoptionsfiletooverride otherdefaultsettingssuchasinitialheapsize,cachesize,andJavagarbage collectionswitches. Tocreateanewstudio.vmoptionsfileortoopenyourexistingone,usethe followingsteps: ClickHelp>EditCustomVMOptions.IfyouhavenevereditedVM optionsforAndroidStudiobefore,theIDEpromptsyoutocreateanew studio.vmoptionsfile.ClickYestocreatethefile. Thestudio.vmoptionsfileopensintheeditorwindowofAndroidStudio. EditthefiletoaddyourowncustomizedVMoptions.Forafulllistof customizableJVMoptions,seeOracle'sJavaHotSpotVMOptionspage. Thestudio.vmoptionsfileyoucreategetsaddedtothedefault studio.vmoptionsfile,locatedinthebin/directoryinsideyourAndroid Studioinstallationfolder. Notethatyoushouldneverdirectlyeditthestudio.vmoptionsfilefound insidetheAndroidStudioprogramfolder.Whileyoucanaccessthefileto viewStudio'sdefaultVMoptions,editingonlyyourownstudio.vmoptionsfile ensuresthatyoudon'toverrideimportantdefaultsettingsforAndroidStudio. Therefore,inyourstudio.vmoptionsfile,overrideonlytheattributesyou careaboutandallowAndroidStudiotocontinueusingdefaultvaluesforany attributesyouhavenotchanged. Maximumheapsize Bydefault,AndroidStudiohasamaximumheapsizeof1280MB.Ifyouareworking onalargeproject,oryoursystemhasalotofRAM,youcanimproveperformance byincreasingthemaximumheapsizeforAndroidStudioprocesses,suchasthe coreIDE,Gradledaemon,andKotlindaemon. AndroidStudioautomaticallychecksforpossibleheapsizeoptimizationsand notifiesyouifitdetectsthatperformancecanbeimproved. Figure1.Anotificationabout recommendedmemorysettings. Ifyouusea64-bitsystemthathasatleast5GBofRAM,youcanalsoadjust theheapsizesforyourprojectmanually.Todoso,followthesesteps: ClickFile>Settingsfromthemenubar(or AndroidStudio>PreferencesonmacOS). ClickAppearance&Behavior>SystemSettings>MemorySettings. Adjusttheheapsizestomatchyourdesiredamounts. ClickApply. IfyouchangedtheheapsizefortheIDE,youmustrestartAndroidStudio beforethenewmemorysettingsareapplied. Note:Allocatingtoomuchmemorycandegradeperformance. ExportandimportIDEsettings YoucanexportaSettings.jarfilethatcontainsallorasubsetofyour preferredIDEsettingsforaproject.YoucanthenimporttheJARfileintoyour otherprojectsand/ormaketheJARfileavailabletoyourcolleaguestoimport intotheirprojects. Formoreinformation,see ExportingandImportingSettings atIntelliJIDEA. CustomizeyourIDEproperties Theidea.propertiesfileallowsyoutocustomizeIDEpropertiesforAndroid Studio,suchasthepathtouserinstalledpluginsandthemaximumfilesize supportedbytheIDE.Theidea.propertiesfilegetsmergedwiththedefault propertiesfortheIDEsoyoucanspecifyjusttheoverrideproperties. Tocreateanewidea.propertiesfileortoopenyourexistingfile,usethe followingsteps: ClickHelp>EditCustomProperties.IfyouhavenevereditedtheIDE propertiesbefore,AndroidStudiopromptsyoutocreateanewidea.properties file.ClickYestocreatethefile. Theidea.propertiesfileopensintheeditorwindowofAndroidStudio.Edit thefiletoaddyourowncustomizedIDEproperties. Thefollowingidea.propertiesfileincludesthecommonlycustomizedIDE properties.Foracompletelistofproperties,readaboutthe idea.propertiesfileforIntelliJIDEA. #--------------------------------------------------------------------- #Uncommentthisoptionifyouwanttocustomizepathtouserinstalledpluginsfolder.Makesure #you'reusingforwardslashes. #--------------------------------------------------------------------- #idea.plugins.path=${idea.config.path}/plugins #--------------------------------------------------------------------- #Maximumfilesize(kilobytes)IDEshouldprovidecodeassistancefor. #Thelargerfileisthesloweritseditorworksandhigheroverallsystemmemoryrequirementsare #ifcodeassistanceisenabled.Removethispropertyorsettoverylargenumberifyouneed #codeassistanceforanyfilesavailableregardlesstheirsize. #--------------------------------------------------------------------- idea.max.intellisense.filesize=2500 #--------------------------------------------------------------------- #Thisoptioncontrolsconsolecyclicbuffer:keepstheconsoleoutputsizenothigherthanthe #specifiedbuffersize(Kb).Olderlinesaredeleted.Inordertodisablecyclebufferuse #idea.cycle.buffer.size=disabled #--------------------------------------------------------------------- idea.cycle.buffer.size=1024 #--------------------------------------------------------------------- #ConfigureifaspeciallaunchershouldbeusedwhenrunningprocessesfromwithinIDE. #UsingLauncherenables"softexit"and"threaddump"features #--------------------------------------------------------------------- idea.no.launcher=false #--------------------------------------------------------------------- #Toavoidtoolongclasspath #--------------------------------------------------------------------- idea.dynamic.classpath=false #--------------------------------------------------------------------- #Therearetwopossiblevaluesofidea.popup.weightproperty:"heavy"and"medium". #IfyouhaveWMconfiguredas"FocusfollowsmousewithAutoRaise"thenyouhaveto #setthispropertyto"medium".Itpreventsproblemswithpopupmenusonsome #configurations. #--------------------------------------------------------------------- idea.popup.weight=heavy #--------------------------------------------------------------------- #Usedefaultanti-aliasinginsystem,i.e.overridevalueof #"Settings|Editor|Appearance|Useanti-aliasedfont"option.MaybeusefulwhenusingWindows #RemoteDesktopConnectionforinstance. #--------------------------------------------------------------------- idea.use.default.antialiasing.in.editor=false #--------------------------------------------------------------------- #Disablingthispropertymayleadtovisualglitcheslikeblinkingandfailtorepaint #oncertaindisplayadaptercards. #--------------------------------------------------------------------- sun.java2d.noddraw=true #--------------------------------------------------------------------- #RemovingthispropertymayleadtoeditorperformancedegradationunderWindows. #--------------------------------------------------------------------- sun.java2d.d3d=false #--------------------------------------------------------------------- #WorkaroundforslowscrollinginJDK6 #--------------------------------------------------------------------- swing.bufferPerWindow=false #--------------------------------------------------------------------- #RemovingthispropertymayleadtoeditorperformancedegradationunderXWindow. #--------------------------------------------------------------------- sun.java2d.pmoffscreen=false #--------------------------------------------------------------------- #WorkaroundtoavoidlonghangswhileaccessingclipboardunderMacOSX. #--------------------------------------------------------------------- #ide.mac.useNativeClipboard=True #--------------------------------------------------------------------- #Maximumsize(kilobytes)IDEAwillloadforshowingpastfilecontents- #inShowDifforwhencalculatingDigestDiff #--------------------------------------------------------------------- #idea.max.vcs.loaded.size.kb=20480 ConfiguretheIDEforlow-memorymachines IfyouarerunningAndroidStudioonamachinewithlessthantherecommended specifications(seeSystemRequirements), youcancustomizetheIDEtoimproveperformanceonyourmachine,asfollows: ReducethemaximumheapsizeavailabletoAndroidStudio:Reducethe maximumheapsizeforAndroidStudioto512Mb.Formoreinformationonchanging maximumheapsize,seeMaximumheapsize. UpdateGradleandtheAndroidpluginforGradle:Updatetothelatest versionsofGradleandtheAndroidpluginforGradletoensureyouaretaking advantageofthelatestimprovementsforperformance.Formoreinformation aboutupdatingGradleandtheAndroidpluginforGradle,seethe AndroidpluginforGradleReleaseNotes. EnablePowerSaveMode:EnablingPowerSaveModeturnsoffanumberof memory-andbattery-intensivebackgroundoperations,includingerror highlightingandon-the-flyinspections,autopopupcodecompletion,and automaticincrementalbackgroundcompilation.ToturnonPowerSaveMode, clickFile>PowerSaveMode. Disableunnecessarylintchecks:TochangewhichlintchecksAndroid Studiorunsonyourcode,dothefollowing: ClickFile>Settings(onmacOS,AndroidStudio>Preferences) toopentheSettingsdialog. Intheleftpane,expandtheEditorsectionandclick Inspections. Clickthecheckboxestoselectordeselectlintchecksasappropriatefor yourproject. ClickApplyorOKtosaveyourchanges. Debugonaphysicaldevice:Debuggingonanemulatorusesmorememorythan debuggingonaphysicaldevice,soyoucanimproveoverallperformancefor AndroidStudiobydebuggingonaphysicaldevice. IncludeonlynecessaryGooglePlayservicesasdependencies:Including GooglePlayServicesasdependenciesinyourprojectincreasestheamountof memorynecessary.Onlyincludenecessarydependenciestoimprovememoryusage andperformance.Formoreinformation,see AddGooglePlayServicestoYourProject. ReducethemaximumheapsizeavailableforGradle:Gradle'sdefault maximiumheapsizeis1,536MB.Reducethevaluebyoverridingthe org.gradle.jvmargspropertyinthegradle.propertiesfile,asshownbelow: #Makesuretograduallydecreasethisvalueandnote #changesinperformance.Allocatingtoolittlememorymay #alsodecreaseperformance. org.gradle.jvmargs=-Xmx1536m Donotenableparallelcompilation:AndroidStudiocancompileindependent modulesinparallel,butifyouhavealow-memorysystemyoushouldnotturnon thisfeature.Tocheckthissetting,dothefollowing: ClickFile>Settings(onmacOS,AndroidStudio>Preferences)to opentheSettingsdialog. Intheleftpane,expandBuild,Execution,Deploymentandthenclick Compiler. EnsurethattheCompileindependentmodulesinparalleloptionis unchecked. Ifyouhavemadeachange,clickApplyorOKforyourchangeto takeeffect. SettheJDKversion AcopyofthelatestOpenJDKcomesbundledwithAndroidStudio2.2andhigher, andthisistheJDKversionwerecommendyouuseforyourAndroidprojects.To usethebundledJDK,dothefollowing: OpenyourprojectinAndroidStudioandselectFile>Settings...>Build,Execution,Deployment>BuildTools>Gradle(AndroidStudio>Preferences...>Build,Execution,Deployment>BuildTools>GradleonaMac). UnderGradleJDK,choosethe EmbeddedJDKoption. ClickOK. Bydefault,theJavalanguageversionusedtocompileyourprojectisbased onyourproject'scompileSdkVersion(becausedifferentversionsofAndroid supportdifferentversionsofJava).Ifnecessary,youcanoverridethis defaultJavaversionbyaddingthefollowing compileOptions blocktoyourbuild.gradlefile: android{ compileOptions{ sourceCompatibilityJavaVersion.VERSION\_1\_6 targetCompatibilityJavaVersion.VERSION\_1\_6 } } FormoreinformationaboutwherecompileSdkVersionisdefined, readaboutthemodule-levelbuildfile. Setproxysettings ProxiesserveasintermediaryconnectionpointsbetweenHTTPclientsandweb serversthataddsecurityandprivacytointernetconnections. TosupportrunningAndroidStudiobehindafirewall,settheproxysettingsfor theAndroidStudioIDE.UsetheAndroidStudioIDEHTTPProxysettingspageto settheHTTPproxysettingsforAndroidStudio. WhenrunningtheAndroidpluginforGradlefromthecommandlineoronmachines whereAndroidStudioisnotinstalled,suchascontinuousintegrationservers, settheproxysettingsintheGradlebuildfile. Note:AftertheinitialinstallationoftheAndroidStudiobundle,Android Studiocanrunwithinternetaccessoroff-line.However,AndroidStudio requiresaninternetconnectionforSetupWizardsynchronization,3rd-party libraryaccess,accesstoremoterepositories,Gradleinitializationand synchronization,andAndroidStudioversionupdates. SetuptheAndroidStudioproxy AndroidStudiosupportsHTTPproxysettingssoyoucanrunAndroidStudiobehind afirewallorsecurenetwork.TosettheHTTPproxysettingsinAndroidStudio: Fromthemenubar,clickFile>Settings(onmacOS,click AndroidStudio>Preferences). Intheleftpane,clickAppearance&Behavior>SystemSettings>HTTP Proxy.TheHTTPProxypageappears. SelectAuto-detectproxysettingstouseanautomaticproxyconfiguration URLfortheproxysettingsorManualproxyconfigurationtoentereachof thesettingsyourself.Foradetailedexplanationofthesesettings,seeHTTPProxy. ClickApplyorOKforyourchangestotakeeffect. AndroidpluginforGradleHTTPproxysettings WhenrunningtheAndroidpluginfromthecommandlineoronmachineswhere AndroidStudioisnotinstalled,settheAndroidpluginforGradleproxy settingsintheGradlebuildfile. Forapplication-specificHTTPproxysettings,settheproxysettingsinthe build.gradlefileasrequiredforeachapplicationmodule. plugins{ id'com.android.application' } android{ ... defaultConfig{ ... systemProp.http.proxyHost=proxy.company.com systemProp.http.proxyPort=443 systemProp.http.proxyUser=userid systemProp.http.proxyPassword=password systemProp.http.auth.ntlm.domain=domain } ... } Forproject-wideHTTPproxysettings,settheproxysettingsinthe gradle/gradle.propertiesfile. #Project-wideGradlesettings. ... systemProp.http.proxyHost=proxy.company.com systemProp.http.proxyPort=443 systemProp.http.proxyUser=username systemProp.http.proxyPassword=password systemProp.http.auth.ntlm.domain=domain systemProp.https.proxyHost=proxy.company.com systemProp.https.proxyPort=443 systemProp.https.proxyUser=username systemProp.https.proxyPassword=password systemProp.https.auth.ntlm.domain=domain ... ForinformationaboutusingGradlepropertiesforproxysettings,seethe GradleUserGuide. Note:WhenusingAndroidStudio,thesettingsintheAndroidStudioIDEHTTP proxysettingspageoverridetheHTTPproxysettingsinthe gradle.propertiesfile. OptimizeAndroidStudioperformanceonWindows AndroidStudioperformanceonWindowscanbeimpactedbyavarietyoffactors. ThissectiondescribeshowyoucanoptimizeAndroidStudiosettingstogetthe bestpossibleperformanceonWindows. Minimizetheimpactofantivirussoftwareonbuildspeed SomeantivirussoftwarecaninterferewiththeAndroidStudiobuildprocess, causingbuildstorundramaticallyslower.WhenyourunabuildinAndroid Studio,Gradlecompilesyourapp’sresourcesandsourcecodeandthenpackages thecompiledresourcestogetherinanAPKorAAB.Duringthisprocess,manyfiles arecreatedonyourcomputer.Ifyourantivirussoftwarehasreal-timescanning enabled,theantiviruscanforcethebuildprocesstohalteachtimeafile iscreatedwhiletheantivirusscansthatfile. Toavoidthisissue,youcanexcludecertaindirectoriesfromreal-time scanninginyourantivirussoftware. Caution:Toensurethatyourcomputerissafefrommalicioussoftware,you shouldnotcompletelydisablereal-timescanningoryourantivirussoftware. ThefollowinglistshowsthedefaultlocationofeachAndroidStudiodirectory thatyoushouldexcludefromreal-timescanning: Gradlecache %USERPROFILE%\.gradle AndroidStudioprojects %USERPROFILE%\AndroidStudioProjects AndroidSDK %USERPROFILE%\AppData\Local\Android\SDK AndroidStudiosystemfiles Syntax:%LOCALAPPDATA%\Google\ Example:C:\Users\YourUserName\AppData\Local\Google\AndroidStudio4.1 CustomizedirectorylocationsforGroupPolicycontrolledenvironments IfaGroupPolicylimitswhichdirectoriesyoucanexcludefromreal-time scanningonyourcomputer,youcanmoveyourAndroidStudiodirectoriesto oneofthelocationsthatthecentralizedGroupPolicyalreadyexcludes. ThefollowinglistshowshowtocustomizethelocationofeachAndroidStudio directory,whereC:\WorkFolderisthedirectorythat yourGroupPolicyalreadyexcludes: Gradlecache DefinetheGRADLE_USER_HOMEenvironmentvariabletopointto C:\WorkFolder\.gradle. AndroidStudioprojects Moveorcreateprojectdirectoriesinanappropriatesubdirectoryof C:\WorkFolder.Forexample, C:\WorkFolder\AndroidStudioProjects. AndroidSDK Followthesesteps: InAndroidStudio,opentheSettingsdialog(Preferenceson macOS),thennavigatetoAppearance&Behavior>SystemSettings> AndroidSDK. ChangethevalueofAndroidSDKLocationto C:\WorkFolder\AndroidSDK. ToavoiddownloadingtheSDKagain,makesuretocopytheexistingSDK directory,locatedat%USERPROFILE%\AppData\Local\Android\SDKbydefault, tothenewlocation. AndroidStudiosystemfiles Followthesesteps: InAndroidStudio,clickHelp>EditCustomProperties. AndroidStudiopromptsyoutocreateanidea.propertiesfileifyoudon't alreadyhaveone. Addthefollowinglinetoyouridea.propertiesfile: idea.system.path=c:/workfolder/studio/caches/trunk-system ContentandcodesamplesonthispagearesubjecttothelicensesdescribedintheContentLicense.JavaandOpenJDKaretrademarksorregisteredtrademarksofOracleand/oritsaffiliates. Lastupdated2022-06-21UTC. 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