title: Build from APK and build from project android in eclipse
body: <p>At the moment,I have an android project.</p>
  
  <p>When I build direct in eclipse use Run as->Android Application.App run well.When i open app and go to a other activity in app.Then click home button and open app again.resuming last Activity.</p>
  
  <p>When I build by get file APK in bin and paste to SDCard and build file APK..Then open app,go to an other activity in app,click home,open app again. It always start app again,not resume last activity.</p>
  
  <p>Are there different when build direct by eclipse and build by APK in SDCard?</p>