应用程序未在Android 19上运行，但在Android＆gt; 19上运行

Question

我构建了一个Android应用程序，当尝试在运行android 19的设备上运行时，我收到此错误，我无法跟踪OS 19中任何缺少的API或未实现的方法。

03-24 09:26:08.118 2668-2668/com.cac.lingo E/AndroidRuntime: FATAL EXCEPTION: main
                                                                Process: com.cac.lingo, PID: 2668
                                                                java.lang.VerifyError: com/cac/lingo/LoginActivity
                                                                    at java.lang.Class.newInstanceImpl(Native Method)
                                                                    at java.lang.Class.newInstance(Class.java:1208)
                                                                    at android.app.Instrumentation.newActivity(Instrumentation.java:1061)
                                                                    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2112)
                                                                    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
                                                                    at android.app.ActivityThread.access$800(ActivityThread.java:135)
                                                                    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
                                                                    at android.os.Handler.dispatchMessage(Handler.java:102)
                                                                    at android.os.Looper.loop(Looper.java:136)
                                                                    at android.app.ActivityThread.main(ActivityThread.java:5017)
                                                                    at java.lang.reflect.Method.invokeNative(Native Method)
                                                                    at java.lang.reflect.Method.invoke(Method.java:515)
                                                                    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
                                                                    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
                                                                    at dalvik.system.NativeStart.main(Native Method)