RegistrationActivity.java 文件源码

@Override
public void onClick(View v) {
    switch (v.getId()){

        case R.id.btnregister:
            username = edtname.getText().toString();
            password = edtpass.getText().toString();
            email    = edtmail.getText().toString();
            if (TextUtils.isEmpty(username)){

                edtname.setError(username);
            } else if(TextUtils.isEmpty(password)){
                edtpass.setError("Enter Password");
            }else if(TextUtils.isEmpty(email)){
                edtmail.setError("Enter Password");
            }
            else
            SendRegRequest();
    }
}