Android Uri位于android.net包下
1，调web浏览器
Uri myBlogUri = Uri.parse(" http://xxxxx.com ");
returnIt = new Intent(Intent.ACTION_VIEW, myBlogUri);
2，地图
Uri mapUri = Uri.parse("geo:38.899533,-77.036476");
returnIt = new Intent(Intent.ACTION_VIEW, mapUri);
3，调拨打电话界面
Uri telUri = Uri.parse("tel:100861");
returnIt = new Intent(Intent.ACTION_DIAL, telUri);
4，直接拨打电话
Uri callUri = Uri.parse("tel:100861");
returnIt = new Intent(Intent.ACTION_CALL, callUri);
5，卸载
Uri uninstallUri = Uri.fromParts("package", "xxx", null);
returnIt = new Intent(Intent.ACTION_DELETE, uninstallUri);
6，安装
Uri installUri = Uri.fromParts("package", "xxx", null);
returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri);
7，播放
Uri playUri = Uri.parse("file:///sdcard/download/everything.mp3");
returnIt = new Intent(Intent.ACTION_VIEW, playUri);
8，调用发邮件
Uri emailUri = Uri.parse("mailto:xxxx@gmail.com");
returnIt = new Intent(Intent.ACTION_SENDTO, emailUri);
9，发邮件
returnIt = new Intent(Intent.ACTION_SEND);
String[] tos = { "xxxx@gmail.com" };
String[] ccs = { "xxxx@gmail.com" };
returnIt.putExtra(Intent.EXTRA_EMAIL, tos);
returnIt.putExtra(Intent.EXTRA_CC, ccs);
returnIt.putExtra(Intent.EXTRA_TEXT, "body");
returnIt.putExtra(Intent.EXTRA_SUBJECT, "subject");
returnIt.setType("message/rfc882");
Intent.createChooser(returnIt, "Choose Email Client");
10，发短信
Uri smsUri = Uri.parse("tel:100861");
returnIt = new Intent(Intent.ACTION_VIEW, smsUri);
returnIt.putExtra("sms_body", "yyyy");
returnIt.setType("vnd.android-dir/mms-sms");
11，直接发邮件
Uri smsToUri = Uri.parse("smsto://100861");
returnIt = new Intent(Intent.ACTION_SENDTO, smsToUri);
returnIt.putExtra("sms_body", "yyyy");
12，发彩信
Uri mmsUri = Uri.parse("content://media/external/images/media/23");
returnIt = new Intent(Intent.ACTION_SEND);
returnIt.putExtra("sms_body", "yyyy");
returnIt.putExtra(Intent.EXTRA_STREAM, mmsUri);
returnIt.setType("image/png");