Google Maps Android API v2官网例子使用说明

1.安装Google Play services SDK
Google Maps SDK已经作为Google Play services SDK的一部分，所以首先要安装Google Play services SDK，Eclipse->android sdk manager->Extra文件夹下选中google play service安装

2.将Google Play services 作为library工程导入
(1)File>Import>Android>Existing Android Code Into Workspaceand clickNext.(2)Browse..., enter/extras/google/google_play_services/libproject/google-play-services_lib, and clickFinish.
(3)右击工程文件选择properties->Android->拖动滚动条向下直到看到is Library选择

3.导入官网的maps例子工程
(1)File>Import>Android>Existing Android Code Into Workspaceand clickNext

(2)Browse..., enter/extras/google/google_play_services/samples/maps, and clickFinish.
(3)Project>Properties, selectJava Build Path, and navigate toLibraries.
(4)SelectAdd External Jars, include the following jar files, and clickOK: +/extras/android/compatibility/v4/android-support-v4.jar
(5)在AndroidManifest.xml文件中添加你自己的Google Maps Android API key.

   android:name="com.google.android.maps.v2.API_KEY"   android:value="API_KEY"/>

(6)Run>Runto test the sample app.