android map api v2 示例 步骤及问题
官方指引:
https://developers.google.com/maps/documentation/android/
key申请:
https://code.google.com/apis/console
遇见的故障及解决方案:
http://stackoverflow.com/questions/13733911/google-maps-android-api-v2-sample-code-crashes
http://stackoverflow.com/questions/13703273/google-map-api-v2-is-not-working
http://stackoverflow.com/questions/13694436/does-android-maps-api-v2-need-background-data-enabled
v4 还不不能在模拟器中运行,需要在真机上 4.2rom上运行