title: the apk file working in emulator but not in android device
body: <p>I run an application in Android emulator in my p.c.  , it is working properly .</p>
  
  <p>but,</p>
  
  <p>when I connect my Android device with p.c. , then through eclipse , I run the application , eclipse prompt that whether you want to install your application in android emulator or Android device , I choose Android device ,, the device  prompt a force to close error !!!!</p>
  
  <p>even in my laptop the application were installed properly , but not working properly ...</p>
  
  <p>what could be the reason ????</p>
  
  <p>my current Android device version is 2.3.6 </p>
  
  <p>thanks...</p>