Android Studio build works, Gradle command line fails -


i have ported app eclipse android studio, implemented needed flavors , have allow working in android studio. due number of flavors prefer build using command line gradle. when run following command build release apks

gradlew.bat assemblerelease

i following error:

failure: build failed exception.  * where: build file 'c:\whatever\build.gradle' line: 1  * went wrong: problem occurred evaluating project ':mycompany'. > java.lang.unsupportedclassversionerror: com/android/build/gradle/appplugin : unsupported major.minor version 52.0  * try: run --stacktrace option stack trace. run --info or --debug option more log output.  build failed

i have run --stacktrace , --debug , not offer other information, other pointing error first line of build.gradle:

apply plugin: 'com.android.application'

i have attempted following based on other stackoverflow responses error:

  1. upgraded javaversion.version_1_8
  2. added jack build.gradle (and slowed down, required 1.8, though deprecated?)
  3. increased memory heap (org.gradle.jvmargs=-xmx4096m) , dex (javamaxheapsize "4g").

i running android studio 2.3.3

here build.gradle file. have left couple of flavors save space, , renamed of stuff protect innocent. have left in dependencies in case might problem? funkiness renaming apk , pushing different folder, working when run release build directly out of android studio. build.gradle:

apply plugin: 'com.android.application' apply plugin: 'io.fabric'  buildscript {     repositories {         maven { url 'https://maven.fabric.io/public' }     }      dependencies {         classpath 'io.fabric.tools:gradle:1.+'     } }  repositories {     maven { url 'https://maven.fabric.io/public' } }   android {     signingconfigs {         config {             keyalias 'whatever'             keypassword 'imnotgoingtotellyou'             storefile file('c:/whereever/mycompany.keystore')             storepassword 'yeps'         }     }     compilesdkversion 25     buildtoolsversion '25.0.3'     defaultconfig {         jackoptions {             enabled true             additionalparameters('jack.incremental': 'true')         }         applicationid "com.mycompany.default"         minsdkversion 14         targetsdkversion 23         versioncode 44         versionname "2.1.44"         compileoptions {             sourcecompatibility javaversion.version_1_8             targetcompatibility javaversion.version_1_8        }         signingconfig signingconfigs.config     }     dexoptions {         javamaxheapsize "4g"     }     buildtypes {         release {             minifyenabled false             proguardfiles getdefaultproguardfile('proguard-android.txt'), 'proguard-rules.txt'             signingconfig signingconfigs.config         }     }     productflavors.whenobjectadded { flavor ->         flavor.ext.set('directorypath', '')         flavor.ext.set('apkname', '')     }     productflavors {          flavor1 {             signingconfig signingconfigs.config             directorypath = 'flavor1'         }          flavor2 {             applicationid 'com.mycompany.flavor2'             signingconfig signingconfigs.config             directorypath = 'flavor2'         }      applicationvariants.all { variant ->         variant.outputs.each { output ->             def path = "c:/androidbuilds/mybuild.build/" + variant.productflavors[0].directorypath + "/"             logger.error("path = " + path)             def sep = "-"             def apkname = variant.productflavors[0].apkname             def flavor = variant.productflavors[0].name             if (apkname != '')                 flavor = apkname;             def version = variant.versioncode             def newapkname = path + version + sep + flavor             logger.error("newapkname = " + newapkname)             output.outputfile = new file(newapkname + ".apk")         }     } }  dependencies {     compile project(':androidpdfview100')     compile 'com.android.support:support-v13:25.3.1'     compile 'com.google.code.gson:gson:2.7'     compile 'joda-time:joda-time:2.5'     compile 'com.google.android.gms:play-services-maps:11.0.4'     compile files('libs/httpmime-4.2.5.jar')     compile files('libs/itextg-5.4.4.jar')     compile files('libs/js.jar')     compile files('libs/logentries-android-2.1.1.jar')     compile files('libs/universal-image-loader-1.8.6.jar')     compile files('libs/xmlworker-5.4.4.jar')     compile files('libs/zbar.jar')     compile('com.crashlytics.sdk.android:crashlytics:2.6.8@aar') {         transitive = true;     } }

update

the project structure looks this:

it generated automatically android studio when ported code eclipse:

enter image description here

when drill app looks this:

enter image description here

for facing issue in future, command line build make sure javahome set jdk v8:

javahome=c:\program files\java\jdk1.8.0_112

or ever 1.8 jdk is. beast , sucks memory way around build error. not recommend build in android studion 1.8 since seems require jack plain slow. , sadly deprecated boot.


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