Question

我正在使用Google 2.3 API开发Android Google地图应用。我用Google搜索并尝试this但是在测试应用程序时我得到了例外。这是完整的堆栈跟踪

FATAL EXCEPTION: main
09-05 16:16:05.914: ERROR/AndroidRuntime(405): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.som.routing/com.som.routing.GmaproutingtryActivity}: java.lang.ClassNotFoundException: com.som.routing.GmaproutingtryActivity in loader dalvik.system.PathClassLoader[/data/app/com.som.routing-2.apk]
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1569)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at android.app.ActivityThread.access$1500(ActivityThread.java:117)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at android.os.Handler.dispatchMessage(Handler.java:99)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at android.os.Looper.loop(Looper.java:130)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at android.app.ActivityThread.main(ActivityThread.java:3683)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at java.lang.reflect.Method.invokeNative(Native Method)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at java.lang.reflect.Method.invoke(Method.java:507)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at dalvik.system.NativeStart.main(Native Method)
09-05 16:16:05.914: ERROR/AndroidRuntime(405): Caused by: java.lang.ClassNotFoundException: com.som.routing.GmaproutingtryActivity in loader dalvik.system.PathClassLoader[/data/app/com.som.routing-2.apk]
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1561)
09-05 16:16:05.914: ERROR/AndroidRuntime(405):     ... 11 more

任何人都这样做了，请帮助我。

Answer 1

Android无法找到课程com.som.routing.GmaproutingtryActivity。您是否在项目中包含它（或lib）？

Answer 2

在清单文件中给出这样的权限 <uses-library android:name="com.google.android.maps" />。在清单文件的清单标签中声明并定义包属性。如果问题仍然存在，请卸载apk并重新安装应用程序。

Android谷歌地图路由帮助

2 个答案: