关于android：Google map API v2

Google map API v2

我正在尝试运行google map api v2的示例代码我犯了以下错误，有人能帮我吗？

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04-23 08:54:23.178: E/Trace(1703): error opening trace file: No such file or directory (2)
04-23 08:54:24.489: W/dalvikvm(1703): VFY: unable to resolve static field 859 (MapAttrs) in Lcom/google/android/gms/R$styleable;
04-23 08:54:24.489: D/dalvikvm(1703): VFY: replacing opcode 0x62 at 0x000e
04-23 08:54:24.508: D/AndroidRuntime(1703): Shutting down VM
04-23 08:54:24.508: W/dalvikvm(1703): threadid=1: thread exiting with uncaught exception (group=0x40a71930)
04-23 08:54:24.538: E/AndroidRuntime(1703): FATAL EXCEPTION: main
04-23 08:54:24.538: E/AndroidRuntime(1703): java.lang.NoClassDefFoundError: com.google.android.gms.R$styleable
04-23 08:54:24.538: E/AndroidRuntime(1703): at com.google.android.gms.maps.GoogleMapOptions.createFromAttributes(Unknown Source)
04-23 08:54:24.538: E/AndroidRuntime(1703): at com.google.android.gms.maps.SupportMapFragment.onInflate(Unknown Source)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:279)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:676)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
04-23 08:54:24.538: E/AndroidRuntime(1703): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:270)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.app.Activity.setContentView(Activity.java:1881)
04-23 08:54:24.538: E/AndroidRuntime(1703): at com.swetha.googlemap.MainActivity.onCreate(MainActivity.java:17)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.app.Activity.performCreate(Activity.java:5104)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.app.ActivityThread.access$600(ActivityThread.java:141)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.os.Handler.dispatchMessage(Handler.java:99)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.os.Looper.loop(Looper.java:137)
04-23 08:54:24.538: E/AndroidRuntime(1703): at android.app.ActivityThread.main(ActivityThread.java:5041)
04-23 08:54:24.538: E/AndroidRuntime(1703): at java.lang.reflect.Method.invokeNative(Native Method)
04-23 08:54:24.538: E/AndroidRuntime(1703): at java.lang.reflect.Method.invoke(Method.java:511)
04-23 08:54:24.538: E/AndroidRuntime(1703): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
04-23 08:54:24.538: E/AndroidRuntime(1703): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
04-23 08:54:24.538: E/AndroidRuntime(1703): at dalvik.system.NativeStart.main(Native Method)
04-23 08:59:24.708: I/Process(1703): Sending signal. PID: 1703 SIG: 9

主要活动

公共类mainActivity扩展fragmentActivity GoogleMap map；@SuppressLint("newapi")@重写受保护的void onCreate(bundle savedinstanceState)super.onCreate(savedinstanceState)；setContentView(r.layout.activity_main)；map=(mapfragment)getFragmentManager().findFragmentByID(r.id.map)).getmap()；

map.setmaptype(googlemap.map_type_normal)；