Android 单独生成apk

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/********************************************************************* *android Studio单独生成apk * 说明： *之前使用的apk都是在调试模式下直接生成的，结果这次也不知道哪里出问题 * 调试产生的apk总是报下面的错误，于是单独产生apk来解决。 * *2017-8-8 深圳龙华樟坑村曾剑锋 ********************************************************************/一、错误信息： I/InstantRun(26932): starting instant run server: is main process D/AndroidRuntime(26932): Shutting down VM E/AndroidRuntime(26932): FATAL EXCEPTION: main E/AndroidRuntime(26932): Process: com.android.aplex.wachendorffbringup, PID: 269 32 E/AndroidRuntime(26932): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.android.aplex.wachendorffbringup/com.android.aplex.wachendorffbringup.MainActivity}: java.lang.ClassNotFoundException: Didn\'t find class "com.android.aplex.wachendorffbringup.MainActivity" on path: DexPathList[[zip file "/data/app/com.android.aplex.wachendorffbringup-1/base.apk"],nativeLibraryDirectories=[/data/app/com.android.aplex.wachendorffbringup-1/lib/arm, /vendor/lib,/system/lib]] E/AndroidRuntime(26932):at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2236) E/AndroidRuntime(26932):at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) E/AndroidRuntime(26932):at android.app.ActivityThread.access$800(ActivityThread.java:151) E/AndroidRuntime(26932):at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303) E/AndroidRuntime(26932):at android.os.Handler.dispatchMessage(Handler.java:102) E/AndroidRuntime(26932):at android.os.Looper.loop(Looper.java:135) E/AndroidRuntime(26932):at android.app.ActivityThread.main(ActivityThread.java:5254) E/AndroidRuntime(26932):at java.lang.reflect.Method.invoke(Native Method) E/AndroidRuntime(26932):at java.lang.reflect.Method.invoke(Method.java:372) E/AndroidRuntime(26932):at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) E/AndroidRuntime(26932):at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) E/AndroidRuntime(26932): Caused by: java.lang.ClassNotFoundException: Didn\'t find class "com.android.aplex.wachendorffbringup.MainActivity" on path: DexPathList [[zip file "/data/app/com.android.aplex.wachendorffbringup-1/base.apk"],nativeLibraryDirectories=[/data/app/com.android.aplex.wachendorffbringup-1/lib/arm, /vendor/lib, /system/lib]] E/AndroidRuntime(26932):at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56) E/AndroidRuntime(26932):at java.lang.ClassLoader.loadClass(ClassLoader.java:511) E/AndroidRuntime(26932):at java.lang.ClassLoader.loadClass(ClassLoader.java:469) E/AndroidRuntime(26932):at android.app.Instrumentation.newActivity(Instrumentation.java:1066) E/AndroidRuntime(26932):at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2226) E/AndroidRuntime(26932):... 10 more E/AndroidRuntime(26932):Suppressed: java.lang.ClassNotFoundException: com.android.aplex.wachendorffbringup.MainActivity E/AndroidRuntime(26932):at java.lang.Class.classForName(Native Method) E/AndroidRuntime(26932):at java.lang.BootClassLoader.findClass(ClassLoader.java:781) E/AndroidRuntime(26932):at java.lang.BootClassLoader.loadClass(ClassLoader.java:841) E/AndroidRuntime(26932):at java.lang.ClassLoader.loadClass(ClassLoader.java:504) E/AndroidRuntime(26932):... 13 more E/AndroidRuntime(26932):Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available W/ActivityManager(401):Force finishing activity 1 com.android.aplex.wachendorffbringup/.MainActivity I/OpenGLRenderer(401): Initialized EGL, version 1.4 E/BufferQueueProducer(121): [Application Error: com.android.aplex.wachendorffbringup] dequeueBuffer: can\'t dequeue multiple buffers without setting the buffer count W/ActivityManager(401): Activity pause timeout for ActivityRecord{7de90ed u0 com.android.aplex.wachendorffbringup/.MainActivity t39 f} I/OpenGLRenderer( 1010): Initialized EGL, version 1.4 E/BufferQueueProducer(121): [com.android.launcher/com.android.launcher2.Launcher] dequeueBuffer: can\'t dequeue multiple buffers without setting the buffer cou nt W/ResourceType(759): No package identifier when getting value for resource number 0x00000000二、解决办法，单独生产apk：

【Android 单独生成apk】