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)
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)
解决方案 »
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<uses-library android:name="com.google.android.maps" />
同时还要添加网络权限吧。