android登录注册使用php，mysql

hey friends i am developing android login registration system using php and mysql on localhost.. i done coding part but my code content some run-time error when i run my app then it at register screen shows "Invalid username or password or email" that means i am getting jsonresult 0 from php means my data like(name,email,pass) is not passing to php....below is my code hey friends i am developing android login regis