//以下是常用到的Intent的URI及其示例，包含了大部分应用中用到的共用Intent。//一、打开一个网页，类别是Intent.ACTION_VIEWUri uri = Uri.parse(“http://blog.3gstdy.com/”);Intent intent = new Intent(Intent.ACTION_VIEW, uri);//二、打开地图并定位到一个点Uri uri = Uri.parse(“geo:52.76,-79.0342″);Intent intent = new Intent(Intent.ACTION_VIEW, uri);//三、打开拨号界面 ,类型是Intent.ACTION_DIALUri uri = Uri.parse(“tel:10086″);Intent intent = new Intent(Intent.ACTION_DIAL, uri);//四、直接拨打电话,与三不同的是，这个直接拨打电话，而不是打开拨号界面Uri uri = Uri.parse(“tel:10086″);Intent intent = new Intent(Intent.ACTION_CALL, uri);//五、卸载一个应用，Intent的类别是Intent.ACTION_DELETEUri uri = Uri.fromParts(“package”, “xxx”, null);Intent intent = new Intent(Intent.ACTION_DELETE, uri);//六、安装应用程序,Intent的类别是Intent.ACTION_PACKAGE_ADDEDUri uri = Uri.fromParts(“package”, “xxx”, null);Intent intent = new Intent(Intent.ACTION_PACKAGE_ADDED, uri);//七、播放音频文件Uri uri = Uri.parse(“file:///sdcard/download/everything.mp3″);Intent intent = new Intent(Intent.ACTION_VIEW, uri);intent.setType(“audio/mp3″);//八、打开发邮件界面Uri uri= Uri.parse(“mailto:admin@3gstdy.com”);Intent intent = new Intent(Intent.ACTION_SENDTO, uri);//九、发邮件,与八不同这里是将邮件发送出去，Intent intent = new Intent(Intent.ACTION_SEND);String[] tos = { “admin@3gstdy.com” };String[] ccs = { “webmaster@3gstdy.com” };intent.putExtra(Intent.EXTRA_EMAIL, tos);intent.putExtra(Intent.EXTRA_CC, ccs);intent.putExtra(Intent.EXTRA_TEXT, “I come from http://blog.3gstdy.com”);intent.putExtra(Intent.EXTRA_SUBJECT, “http://blog.3gstdy.com”);intent.setType(“message/rfc882″);Intent.createChooser(intent, “Choose Email Client”);//发送带附件的邮件Intent intent = new Intent(Intent.ACTION_SEND);intent.putExtra(Intent.EXTRA_SUBJECT, “The email subject text”);intent.putExtra(Intent.EXTRA_STREAM, “file:///sdcard/mysong.mp3″);intent.setType(“audio/mp3″);startActivity(Intent.createChooser(intent, “Choose Email Client”));//十、发短信Uri uri= Uri.parse(“tel:10086″);Intent intent = new Intent(Intent.ACTION_VIEW, uri);intent.putExtra(“sms_body”, “I come from http://blog.3gstdy.com”);intent.setType(“vnd.Android-dir/mms-sms”);//十一、直接发邮件Uri uri= Uri.parse(“smsto://100861″);Intent intent = new Intent(Intent.ACTION_SENDTO, uri);intent.putExtra(“sms_body”, “3g android http://blog.3gstdy.com”);//十二、发彩信Uri uri= Uri.parse(“content://media/external/images/media/23″);Intent intent = new Intent(Intent.ACTION_SEND);intent.putExtra(“sms_body”, “3g android http://blog.3gstdy.com”);intent.putExtra(Intent.EXTRA_STREAM, uri);intent.setType(“image/png”);//十三、# Market 相关//1 //寻找某个应用Uri uri = Uri.parse(“market://search?q=pname:pkg_name”);Intent it = new Intent(Intent.ACTION_VIEW, uri);startActivity(it);//where pkg_name is the full package path for an application//2 //显示某个应用的相关信息Uri uri = Uri.parse(“market://details?id=app_id”);Intent it = new Intent(Intent.ACTION_VIEW, uri);startActivity(it);//where app_id is the application ID, find the ID//by clicking on your application on Market home//page, and notice the ID from the address bar//十四、路径规划Uri uri = Uri.parse(“http://maps.google.com/maps?f=d&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en”);Intent it = new Intent(Intent.ACTION_VIEW, uri);startActivity(it);