致命异常：主要java.lang.NoClassDefFoundError：com.manoj.util.PRNGFixes $ LinuxPRNGSecureRandomProvider

Question

我使用Android Studio并在4.2版本运行应用程序时遇到此异常，当我在s4运行时，它已成功运行。

请有人建议我这个原因!!!

7356-7356/com.manoj E/AndroidRuntime﹕ FATAL EXCEPTION: main
    java.lang.NoClassDefFoundError: com.manoj.util.PRNGFixes$LinuxPRNGSecureRandomProvider
            at com.manoj.util.PRNGFixes.installLinuxPRNGSecureRandom(PRNGFixes.java:101)
            at com.manoj.util.PRNGFixes.apply(PRNGFixes.java:46)
            at com.manoj.app.ImApp.onCreate(ImApp.java:253)
            at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1017)
            at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4592)
            at android.app.ActivityThread.access$1400(ActivityThread.java:157)
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1349)
            at android.os.Handler.dispatchMessage(Handler.java:99)
            at android.os.Looper.loop(Looper.java:176)
            at android.app.ActivityThread.main(ActivityThread.java:5319)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:511)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1102)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:869)
            at dalvik.system.NativeStart.main(Native Method)