我一直在尝试运行新的 Google maps V2 API
显示一个空白屏幕。
问题是为什么它没有在2.2设备上显示地图,在stacktrace上我看到以下消息:

  12-06 09:40:36.039: W/dalvikvm(14657): Unable to resolve superclass of Lmaps/a/du; (411)
  12-06 09:40:36.039: W/dalvikvm(14657): Link of class 'Lmaps/a/du;' failed
  12-06 09:40:36.039: W/dalvikvm(14657): Unable to resolve superclass of Lmaps/a/ej; (2363)
  12-06 09:40:36.039: W/dalvikvm(14657): Link of class 'Lmaps/a/ej;' failed
  12-06 09:40:36.039: W/dalvikvm(14657): Unable to resolve superclass of Lmaps/j/k; (2379)
  12-06 09:40:36.039: W/dalvikvm(14657): Link of class 'Lmaps/j/k;' failed
  12-06 09:40:36.039: E/dalvikvm(14657): Could not find class 'maps.j.k', referenced from method maps.y.ae.a
  12-06 09:40:36.039: W/dalvikvm(14657): VFY: unable to resolve new-instance 3571 (Lmaps/j/k;) in Lmaps/y/ae;
  12-06 09:40:36.039: D/dalvikvm(14657): VFY: replacing opcode 0x22 at 0x007d
  12-06 09:40:36.125: D/dalvikvm(14657): VFY: dead code 0x007f-008f in Lmaps/y/ae;.a (Landroid/view/LayoutInflater;Lcom/google/android/gms/maps/GoogleMapOptions;Z)Lmaps/y/ae;
  12-06 09:40:36.192: I/dalvikvm(14657): Could not find method java.io.IOException.<init>, referenced from method maps.bg.e.a
  12-06 09:40:36.195: W/dalvikvm(14657): VFY: unable to resolve direct method 14965: Ljava/io/IOException;.<init> (Ljava/lang/String;Ljava/lang/Throwable;)V
  12-06 09:40:36.195: D/dalvikvm(14657): VFY: replacing opcode 0x70 at 0x0087
  12-06 09:40:36.195: D/dalvikvm(14657): VFY: dead code 0x008a-008c in Lmaps/bg/e;.a ([B)Ljava/util/Hashtable;
  12-06 09:40:36.555: D/dalvikvm(14657): GC_FOR_MALLOC freed 4020 objects / 327288 bytes in 61ms
  12-06 09:40:36.707: E/Google Maps Android API(14657): Google Maps application is missing.

编辑:看来我们还不能在模拟器上运行它。

最佳答案

Logcat看到了以下消息:

12-06 09:40:36.707: E/Google Maps Android API(14657): Google Maps application is missing.

所以安装Google Maps解决了这个问题。
另外,在一些国家,google maps的安装似乎被屏蔽了,如果没有google maps的安装,在2.2上运行这个应用程序是行不通的。
用户在评论中发布了一个代码,用于检查是否在以下问题中安装了谷歌地图:
Google Maps Android API V2 check if GoogleMaps are installed on device

07-24 09:44
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