title: Can I use adb to change the default launcher program?
body: <p>I set one of the program as default launcher program and default setting program so I cannot change the default programs now, can I change the default programs from <code>android-sdk\android-sdk\platform-tools\adb.exe</code> or remote shell. </p>
  
  <p>How can I do that? </p>
  
  <p>And can I remove the defaults of program in Java code?</p>