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Java .jar库与android studio项目的动态连接_Java_Android Studio_Jar - Fatal编程技术网

Java .jar库与android studio项目的动态连接

Java .jar库与android studio项目的动态连接,java,android-studio,jar,Java,Android Studio,Jar,我需要从“/data/data/project\u name/files/dyn.jar”将我的“dyn.jar”库(lib在java语言上,而不是android)与以下代码连接起来(文件肯定在那里): 但我每次都会遇到这个例外。我不明白我的代码出了什么问题 W/System.err: java.lang.ClassNotFoundException: Didn't find class "com.example.dyn.ExtendedCalculations" on p

我需要从“/data/data/project\u name/files/dyn.jar”将我的“dyn.jar”库(lib在java语言上,而不是android)与以下代码连接起来(文件肯定在那里):

但我每次都会遇到这个例外。我不明白我的代码出了什么问题

W/System.err: java.lang.ClassNotFoundException: Didn't find class "com.example.dyn.ExtendedCalculations" on path: DexPathList[[zip file "/data/user/0/com.example.calculator/files/dyn.jar"],nativeLibraryDirectories=[/system/lib, /system_ext/lib]]
W/System.err:     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:207)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
        at com.example.calculator.MainActivity.onCreate(MainActivity.java:30)
        at android.app.Activity.performCreate(Activity.java:8000)
        at android.app.Activity.performCreate(Activity.java:7984)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1309)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3422)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601)
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066)
        at android.os.Handler.dispatchMessage(Handler.java:106)
W/System.err:     at android.os.Looper.loop(Looper.java:223)
        at android.app.ActivityThread.main(ActivityThread.java:7656)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)
        Suppressed: java.io.IOException: No original dex files found for dex location (x86) /data/user/0/com.example.calculator/files/dyn.jar
        at dalvik.system.DexFile.openDexFileNative(Native Method)
        at dalvik.system.DexFile.openDexFile(DexFile.java:367)
        at dalvik.system.DexFile.<init>(DexFile.java:109)
        at dalvik.system.DexFile.<init>(DexFile.java:82)
        at dalvik.system.DexPathList.loadDexFile(DexPathList.java:439)
        at dalvik.system.DexPathList.makeDexElements(DexPathList.java:398)
        at dalvik.system.DexPathList.<init>(DexPathList.java:166)
        at dalvik.system.BaseDexClassLoader.<init>(BaseDexClassLoader.java:129)
        at dalvik.system.BaseDexClassLoader.<init>(BaseDexClassLoader.java:87)
        at dalvik.system.DexClassLoader.<init>(DexClassLoader.java:55)
        at com.example.calculator.MainActivity.onCreate(MainActivity.java:27)
            ... 15 more
W/System.err:java.lang.ClassNotFoundException:在路径:DexPathList[[zip文件”/data/user/0/com.example.calculator/files/dyn.jar]],nativeLibraryDirectories=[/System/lib,/System\u ext/lib]]上未找到类“com.example.dyn.ExtendedCalculations”
W/System.err:at-dalvik.System.BaseDexClassLoader.findClass(BaseDexClassLoader.java:207)
位于java.lang.ClassLoader.loadClass(ClassLoader.java:379)
位于java.lang.ClassLoader.loadClass(ClassLoader.java:312)
位于com.example.calculator.MainActivity.onCreate(MainActivity.java:30)
位于android.app.Activity.performCreate(Activity.java:8000)
位于android.app.Activity.performCreate(Activity.java:7984)
位于android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1309)
在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3422)上
位于android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601)
在android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
在android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)中
在android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)中
在android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066)
位于android.os.Handler.dispatchMessage(Handler.java:106)
W/System.err:at-android.os.Looper.loop(Looper.java:223)
位于android.app.ActivityThread.main(ActivityThread.java:7656)
位于java.lang.reflect.Method.invoke(本机方法)
位于com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)
抑制:java.io.IOException:找不到用于dex位置(x86)/data/user/0/com.example.calculator/files/dyn.jar的原始dex文件
位于dalvik.system.DexFile.openDexFileNative(本机方法)
位于dalvik.system.DexFile.openDexFile(DexFile.java:367)
位于dalvik.system.DexFile.(DexFile.java:109)
位于dalvik.system.DexFile.(DexFile.java:82)
位于dalvik.system.DexPathList.loadDexFile(DexPathList.java:439)
位于dalvik.system.DexPathList.makedexements(DexPathList.java:398)
位于dalvik.system.DexPathList。(DexPathList.java:166)
位于dalvik.system.BaseDexClassLoader。(BaseDexClassLoader.java:129)
位于dalvik.system.BaseDexClassLoader。(BaseDexClassLoader.java:87)
位于dalvik.system.DexClassLoader。(DexClassLoader.java:55)
位于com.example.calculator.MainActivity.onCreate(MainActivity.java:27)
... 还有15个
W/System.err: java.lang.ClassNotFoundException: Didn't find class "com.example.dyn.ExtendedCalculations" on path: DexPathList[[zip file "/data/user/0/com.example.calculator/files/dyn.jar"],nativeLibraryDirectories=[/system/lib, /system_ext/lib]]
W/System.err:     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:207)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
        at com.example.calculator.MainActivity.onCreate(MainActivity.java:30)
        at android.app.Activity.performCreate(Activity.java:8000)
        at android.app.Activity.performCreate(Activity.java:7984)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1309)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3422)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601)
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066)
        at android.os.Handler.dispatchMessage(Handler.java:106)
W/System.err:     at android.os.Looper.loop(Looper.java:223)
        at android.app.ActivityThread.main(ActivityThread.java:7656)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)
        Suppressed: java.io.IOException: No original dex files found for dex location (x86) /data/user/0/com.example.calculator/files/dyn.jar
        at dalvik.system.DexFile.openDexFileNative(Native Method)
        at dalvik.system.DexFile.openDexFile(DexFile.java:367)
        at dalvik.system.DexFile.<init>(DexFile.java:109)
        at dalvik.system.DexFile.<init>(DexFile.java:82)
        at dalvik.system.DexPathList.loadDexFile(DexPathList.java:439)
        at dalvik.system.DexPathList.makeDexElements(DexPathList.java:398)
        at dalvik.system.DexPathList.<init>(DexPathList.java:166)
        at dalvik.system.BaseDexClassLoader.<init>(BaseDexClassLoader.java:129)
        at dalvik.system.BaseDexClassLoader.<init>(BaseDexClassLoader.java:87)
        at dalvik.system.DexClassLoader.<init>(DexClassLoader.java:55)
        at com.example.calculator.MainActivity.onCreate(MainActivity.java:27)
            ... 15 more