我正在使用谷歌地图 api v2，一切正常。今天早上我更新了 sdk，现在地图无法工作。尝试了很多事情，例如再次导入 lib 项目，但似乎没有任何效果。请帮忙。
这是 logcat 输出
05-16 08:53:34.327: E/dalvikvm(3422): Could not find class 'com.google.android.gms.maps.model.LatLng', referenced from method com.apptree.de_luxe.InfoActivity.<clinit>
05-16 08:53:34.327: W/dalvikvm(3422): VFY: unable to resolve new-instance 170 (Lcom/google/android/gms/maps/model/LatLng;) in Lcom/apptree/de_luxe/InfoActivity;
05-16 08:53:34.327: D/dalvikvm(3422): VFY: replacing opcode 0x22 at 0x0000
05-16 08:53:34.327: E/dalvikvm(3422): Could not find class 'com.google.android.gms.maps.model.MarkerOptions', referenced from method com.apptree.de_luxe.InfoActivity.setUpMap
05-16 08:53:34.327: W/dalvikvm(3422): VFY: unable to resolve new-instance 172 (Lcom/google/android/gms/maps/model/MarkerOptions;) in Lcom/apptree/de_luxe/InfoActivity;
05-16 08:53:34.327: D/dalvikvm(3422): VFY: replacing opcode 0x22 at 0x0002
05-16 08:53:34.347: E/dalvikvm(3422): Could not find class 'com.google.android.gms.maps.MapFragment', referenced from method com.apptree.de_luxe.InfoActivity.setUpMapIfNeeded
05-16 08:53:34.347: W/dalvikvm(3422): VFY: unable to resolve check-cast 169 (Lcom/google/android/gms/maps/MapFragment;) in Lcom/apptree/de_luxe/InfoActivity;
05-16 08:53:34.357: D/dalvikvm(3422): VFY: replacing opcode 0x1f at 0x000f
05-16 08:53:34.367: D/dalvikvm(3422): DexOpt: unable to opt direct call 0x029b at 0x0c in Lcom/apptree/de_luxe/InfoActivity;.<clinit>
05-16 08:53:34.367: D/dalvikvm(3422): DexOpt: unable to opt direct call 0x029c at 0x04 in Lcom/apptree/de_luxe/InfoActivity;.setUpMap
05-16 08:53:34.387: W/dalvikvm(3422): Exception Ljava/lang/NoClassDefFoundError; thrown while initializing Lcom/apptree/de_luxe/InfoActivity;
05-16 08:53:34.387: W/dalvikvm(3422): Class init failed in newInstance call (Lcom/apptree/de_luxe/InfoActivity;)
05-16 08:53:34.387: D/AndroidRuntime(3422): Shutting down VM
05-16 08:53:34.398: W/dalvikvm(3422): threadid=1: thread exiting with uncaught exception (group=0x40a71930)
05-16 08:53:34.457: E/AndroidRuntime(3422): FATAL EXCEPTION: main
05-16 08:53:34.457: E/AndroidRuntime(3422): java.lang.ExceptionInInitializerError
05-16 08:53:34.457: E/AndroidRuntime(3422): at java.lang.Class.newInstanceImpl(Native Method)
05-16 08:53:34.457: E/AndroidRuntime(3422): at java.lang.Class.newInstance(Class.java:1319)
05-16 08:53:34.457: E/AndroidRuntime(3422): at android.app.Instrumentation.newActivity(Instrumentation.java:1054)
05-16 08:53:34.457: E/AndroidRuntime(3422): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2097)
05-16 08:53:34.457: E/AndroidRuntime(3422): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
05-16 08:53:34.457: E/AndroidRuntime(3422): at android.app.ActivityThread.access$600(ActivityThread.java:141)
05-16 08:53:34.457: E/AndroidRuntime(3422): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
05-16 08:53:34.457: E/AndroidRuntime(3422): at android.os.Handler.dispatchMessage(Handler.java:99)
05-16 08:53:34.457: E/AndroidRuntime(3422): at android.os.Looper.loop(Looper.java:137)
05-16 08:53:34.457: E/AndroidRuntime(3422): at android.app.ActivityThread.main(ActivityThread.java:5041)
05-16 08:53:34.457: E/AndroidRuntime(3422): at java.lang.reflect.Method.invokeNative(Native Method)
05-16 08:53:34.457: E/AndroidRuntime(3422): at java.lang.reflect.Method.invoke(Method.java:511)
05-16 08:53:34.457: E/AndroidRuntime(3422): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
05-16 08:53:34.457: E/AndroidRuntime(3422): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
05-16 08:53:34.457: E/AndroidRuntime(3422): at dalvik.system.NativeStart.main(Native Method)
05-16 08:53:34.457: E/AndroidRuntime(3422): Caused by: java.lang.NoClassDefFoundError: com.google.android.gms.maps.model.LatLng
05-16 08:53:34.457: E/AndroidRuntime(3422): at com.apptree.de_luxe.InfoActivity.<clinit>(InfoActivity.java:35)
05-16 08:53:34.457: E/AndroidRuntime(3422): ... 15 more
在 Eclipse 中转到：
“项目”->“属性”->“Java 构建属性”
在“Order and Export”选项卡上，我检查了项目中的“Android Private Libraries”。我也为它引用的图书馆项目这样做了。这修复了升级到 SDK 22 后未找到类的错误。
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