安卓的机制与安全性 毕业论文外文翻译.doc.doc

附录A 外文翻译-原文部分 Android security mechanism? The?next?generation?of?open?operating?systems?won’t?be?on?desktops?or?mainframes?but?on?the?small?mobile?devices?we?carry?every?day.?The?openness?of?these?new?environments?will?lead?to?new?applications?and?markets?and?will?enable?greater?integration?with?existing?online?services.?However,?as?the?importance?of?the?data?and?services?our?cell?phones?support?increases,?so?too?do?the?opportunities?for?vulnerability.?It’s?essential?that?this?next?generation?of?platforms?provides?a?comprehensive?and?usable?security?infrastructure.? Developed?by?the?Open?Handset?Alliance?(visibly?led?by?Google),?Android?is?a?widely?anticipated?open?source?operating?system?for?mobile?devices?that?provides?a?base?operating?system,?an?application?middleware?layer,?a?Java?software?development?kit?(SDK),?and?a?collection?of?system?applications.?Although?the?Android?SDK?has?been?available?since?late?2007,?the?first?publicly?available?Android?ready?“G1”?phone?debuted?in?late?October?2008.?Since?then,?Android’s?growth?has?been?phenomenal:?T-Mobile’s?G1?manufacturer?HTC?estimates?shipment?volumes?of?more?than?1?million?phones?by?the?end?of?2008,?and?industry?insiders?expect?public?adoption?to?increase?steeply?in?2009.?Many?other?cell?phone?providers?have?either?promised?or?plan?to?support?it?in?the?near?future.?? A?large?community?of?developers?has?organized?around?Android,?and?many?new?products?and?applications?are?now?available?for?it.?One?of?Android’s?chief?selling?points?is?that?it?lets?developers?seamlessly?extend?online?services?to?phones.?The?most?visible?example?of?this?feature?is,?unsurprisingly,?the?tight?integration?of?Google’s?Gmail,?Calendar,?and?Contacts?Web?applications?with?system?utilities.?Android?users?simply?supply?a?username?and?password,?and?their?phones?automatically?synchronize?with?Google?services.?Other?vendors?are?rapidly?adapting?their?existing?instant?messaging,?social?networks,?and?gaming?services?to?Android,?and?many?enterpri