1. Call the web browser URI myi bloguri = Uri. parse ("http://www.soqi.cc"); returnit = new intent (intent. action_view, mybloguri); 2, map URI mapuri = Uri. parse ("Geo: 38.899533, (-77.036476"); returnit = new intent (intent. action_view, mapuri); 3. Call interface URI teluri = Uri. parse ("Tel: 100861"); returnit = new intent (intent. action_dial, teluri); 4. call Uri calluri = Uri. parse ("Tel: 100861"); returnit = new intent (intent. action_call, calluri); 5, uninstall URI uninstalluri = Uri. fromparts ("package", "XXX", null); returnit = new intent (intent. action_delete, uninstalluri) URI; 6. Install URI installuri = Uri. fromparts ("package", "XXX", null); returnit = new intent (intent. action_package_added, installuri); 7. Play URI playuri = Uri. parse ("file: // sdcard/download/everythinghistory"); returnit = new intent (intent. action_view, playuri); 8, call send email URI emailuri = Uri. parse ("mailto: xxxx@gmail.com"); returnit = new intent (intent. action_sendto, emailuri 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, send a text message 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, directly send an email URI smstouri = Uri. parse ("smsto: // 100861"); returnit = new intent (intent. action_sendto, smstouri); returnit. putextra ("sms_body", "YYYY"); 12, send a mms uri mmsuri = Uri. parse ("content: // media: external/images/Media/23"); returnit = new intent (intent. action_send); return_it. putextra ("sms_body", "YYYY"); returnit. putextra (intent. extra_stream, mmsuri); returnit. settype ("image/PNG ");