Android -Google Maps (Webview)

Use WebView to show the map:

1.webView.getSettings().setJavaScriptEnabled(true);

 Open the JavaScript of the web.

2.webView.getSettings().setGeolocationEnabled(true);

 Open the geolocation for the web to get location through Javascript

PS:Use LocationManager to get the location from network or GPS.

Ref:

http://www.moke.tw/wordpress/computer/advanced/279

More info about Webview

http://blog.csdn.net/nanjingjiangbiao/article/details/7681856