关于google Map的问题求解！！！

2011-08-30 01:25:56 200 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

Python OR-Tools 求解带时间窗的 VRPD：一个50客户点的完整实现案例本文详细介绍了如何使用Python OR-Tools求解带时间窗的卡车-无人机协同路径问题（VRPDTW），通过一个包含50个客户点的完整实现案例，展示了从问题建模、混合整数规划构建到无人机特定约束实现的全过程。文章特别关注实际编码实现，提供了可直接复用的代码框架，帮助开发者在物流配送等场景中应用这一先进优化技术。阅读详情

今天看了一下android下google map 的开发，刚上来就被卡了，找了一上午也没解决，请大家帮忙看一下
问题如下：

08-30 03:18:16.134: ERROR/AndroidRuntime(563): FATAL EXCEPTION: main
08-30 03:18:16.134: ERROR/AndroidRuntime(563): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{mars.m.googlemaps/mars.m.googlemaps.MainActivity}: java.lang.ClassNotFoundException: mars.m.googlemaps.MainActivity in loader dalvik.system.PathClassLoader[/data/app/mars.m.googlemaps-1.apk]08-30 03:18:16.134: ERROR/AndroidRuntime(563): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at android.os.Handler.dispatchMessage(Handler.java:99)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at android.os.Looper.loop(Looper.java:123)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at android.app.ActivityThread.main(ActivityThread.java:4627)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at java.lang.reflect.Method.invokeNative(Native Method)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at java.lang.reflect.Method.invoke(Method.java:521)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at dalvik.system.NativeStart.main(Native Method)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): Caused by: java.lang.ClassNotFoundException: mars.m.googlemaps.MainActivity in loader dalvik.system.PathClassLoader[/data/app/mars.m.googlemaps-1.apk]
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at java.lang.ClassLoader.loadClass(ClassLoader.java:573)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at java.lang.ClassLoader.loadClass(ClassLoader.java:532)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
08-30 03:18:16.134: ERROR/AndroidRuntime(563): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577)

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