android 之Intent的使用

Uri uri = Uri.parse( "http://www.google.com");
Intent it  = new  Intent(Intent.ACTION_VIEW,uri);
startActivity(it);

2.显示地图:Uri uri = Uri.parse( "geo:38.899533,-77.036476" );Intent it = new  Intent(Intent.Action_VIEW,uri);startActivity(it);  

3.路径规划:Uri uri=Uri.parse("http://maps.google.com/mapsf=d&

saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en");

Intent it = new  Intent(Intent.ACTION_VIEW,URI);startActivity(it);  

4.拨打电话:

Uri uri = Uri.parse("tel:xxxxxx");Intent it = new Intent(Intent.ACTION_DIAL, uri);startActivity(it);  

5.发送Email

Uri uri = Uri.parse("mailto:xxx@abc.com");Intent it = new Intent(Intent.ACTION_SENDTO, uri);startActivity(it);