我一直在开发Android SDK版本19上的应用程序并在仿真器/手机4.4.2上运行它,没有任何问题。应用程序不会在Android 2.3.7上加载启动活动
然后我设置的minSdkVersion 8(无论是在的build.gradle和AndroidManifest.xml中),成功地重建了,但与Android 2.3.7上的模拟器开始时,我得到:
02-09 03:08:48.383 1546-1546/? E/AndroidRuntime FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{cz.xxx.appname/cz.xxx.appname.ui.HomeActivity}: java.lang.ClassNotFoundException: cz.xxx.appname.ui.HomeActivity in loader dalvik.system.PathClassLoader[/data/app/cz.xxx.appname-2.apk]
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1569)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
at android.app.ActivityThread.access$1500(ActivityThread.java:117)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:130)
at android.app.ActivityThread.main(ActivityThread.java:3683)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:507)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ClassNotFoundException: cz.xxx.appname.ui.HomeActivity in loader dalvik.system.PathClassLoader[/data/app/cz.xxx.appname-2.apk]
at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1561)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
at android.app.ActivityThread.access$1500(ActivityThread.java:117)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:130)
at android.app.ActivityThread.main(ActivityThread.java:3683)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:507)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
at dalvik.system.NativeStart.main(Native Method)
应用程序崩溃始终在启动。相同的版本在4.2.2上成功运行。
你知道是什么原因引发了这个问题吗?
感谢, endokr
你可以在OnCreate的第一行断点吗?或者之前失败了吗? – Rob
请发布日志堆栈跟踪。它有助于快速解决错误 –
Id不会进入MainActivity OnCreate。追加Stacktrace。 – Endokr