(My First App) Android gradle mit 61 Fehler beim Aufbau ..ich dint Code alles und lief einfach eine leere Aktivität

Question

build.gradle:

apply plugin: 'com.android.application' 
    android { 
compileSdkVersion 23 
buildToolsVersion "24.0.1" 

defaultConfig { 
    applicationId "com.example.user.myfirstapp" 
    minSdkVersion 15 
    targetSdkVersion 23 
    versionCode 1 
    versionName "1.0" 
} 
buildTypes { 
    release { 
     minifyEnabled false 
     proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 
    } 
} 
} 

dependencies { 
compile fileTree(dir: 'libs', include: ['*.jar']) 
compile 'com.android.support:appcompat-v7:23.4.0' 
} 

Dies ist der Fehler in Android Studio:

Error:java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor version 52.0 
    Error:java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor version 52.0 
    Error:java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor version 52.0 
    Error: at java.lang.ClassLoader.defineClass1(Native Method) 
    Error: at java.lang.ClassLoader.defineClass(ClassLoader.java:800) 
    Error: at java.lang.ClassLoader.defineClass1(Native Method) 
    Error: at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) 
    Error: at java.lang.ClassLoader.defineClass1(Native Method) 
    Error: at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) 
    Error: at java.lang.ClassLoader.defineClass(ClassLoader.java:800) 
    Error: at java.net.URLClassLoader.access$100(URLClassLoader.java:71) 
    Error: at java.lang.ClassLoader.defineClass(ClassLoader.java:800) 
    Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:361) 
    Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:355) 
    Error: at java.security.AccessController.doPrivileged(Native Method) 
    Error: at va.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) 
    Error: at java.net.URLClassLoader.findClass(URLClassLoader.java:354) 
    Error: at va.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) 
    Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:425) 
    Error: at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) 
    Error: at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) 
    Error: at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) 
    Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:358) 
    Error: at java.net.URLClassLoader.access$100(URLClassLoader.java:71) 
    Error: at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482) 
    Error: at java.net.URLClassLoader.access$100(URLClassLoader.java:71) 
    Error:Exception in thread "main" 
    Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:361) 
    Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:361) 
    Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:355) 
    Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:355) 
    Error: at java.security.AccessController.doPrivileged(Native Method) 
    Error: at java.net.URLClassLoader.findClass(URLClassLoader.java:354) 
    Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:425) 
    Error: at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) 
    Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:358) 
    Error: at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482) 
    Error: at java.security.AccessController.doPrivileged(Native Method) 
    Error: at java.net.URLClassLoader.findClass(URLClassLoader.java:354) 
    Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:425) 
    Error:Exception in thread "main" 
    :app:transformClassesWithDexForDebug FAILED 
    Error: at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) 
    Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:358) 
    Error: at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482) 
    Error:Exception in thread "main" 
    Error:Execution failed for task ':app:transformClassesWithDexForDebug'. 
    > com.android.build.api.transform.TransformException: java.lang.RuntimeException: 

com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.7.0_79\bin\java.exe'' finished with non-zero exit value 1 Information:BUILD FAILED Information:Total time: 12.13 secs Error:java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor version 52.0 Error: at java.lang.ClassLoader.defineClass1(Native Method) Error: at java.lang.ClassLoader.defineClass(ClassLoader.java:800) Error: at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) Error: at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) Error: at java.net.URLClassLoader.access$100(URLClassLoader.java:71) Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:361) Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:355) Error: at java.security.AccessController.doPrivileged(Native Method) Error: at java.net.URLClassLoader.findClass(URLClassLoader.java:354) Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:425) Error: at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:358) Error: at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482) Error:Exception in thread "main" Information:61 errors Information:0 warnings Information:See complete output in console

Answer 1

ändern Sie diese in Ihrem Gradle

compileSdkVersion 23 
buildToolsVersion "23.0.1"