Uri的使用場景：
1遣臼，調(diào)web瀏覽器
Uri myBlogUri = Uri.parse(" http://xxxxx.com ");
returnIt = new Intent(Intent.ACTION_VIEW, myBlogUri);
2，地圖
Uri mapUri = Uri.parse("geo:38.899533,-77.036476");
returnIt = new Intent(Intent.ACTION_VIEW, mapUri);
3矮锈，調(diào)撥打電話界面
Uri telUri = Uri.parse("tel:100861");
returnIt = new Intent(Intent.ACTION_DIAL, telUri);
4，直接撥打電話
Uri callUri = Uri.parse("tel:100861");
returnIt = new Intent(Intent.ACTION_CALL, callUri);
5钠惩，卸載
Uri uninstallUri = Uri.fromParts("package", "xxx", null);
returnIt = new Intent(Intent.ACTION_DELETE, uninstallUri);
6柒凉，安裝
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妻柒，調(diào)用發(fā)郵件
Uri emailUri = Uri.parse("mailto:xxxx@gmail.com");
returnIt = new Intent(Intent.ACTION_SENDTO, emailUri);
9扛拨，發(fā)郵件
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，發(fā)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举塔，直接發(fā)郵件
Uri smsToUri = Uri.parse("smsto://100861");
returnIt = new Intent(Intent.ACTION_SENDTO, smsToUri);
returnIt.putExtra("sms_body", "yyyy");
12绑警，發(fā)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");
