private void initView() {
    TextView tv_title = (TextView) findViewById(R.id.tv_title);
    ibtn_title_back = (ImageButton) findViewById(R.id.ibtn_title_back);
    ibtn_title_back.setVisibility(View.VISIBLE);
    TextView tv_right = (TextView) findViewById(R.id.tv_right);
    tv_right.setVisibility(View.GONE);
    tv_title.setText("银行卡支付");

    cz_money = getIntent().getStringExtra("tip");

    et_user_name = (EditText) findViewById(R.id.et_user_name);
    et_user_card = (EditText) findViewById(R.id.et_user_card);
    et_user_ban = (EditText) findViewById(R.id.et_user_ban);
    et_user_phone = (EditText) findViewById(R.id.et_user_phone);
    ibtn_submit_next = (Button) findViewById(R.id.ibtn_submit_next);
    rl_bank_name = (RelativeLayout) findViewById(R.id.rl_bank_name);
    tv_bank_name = (TextView) findViewById(R.id.tv_bank_name_name);
    btn_vericode = (Button) findViewById(R.id.btn_vericode);
    bankcardnum = (TextView) findViewById(R.id.bankcardnum);
    et_vericode = (EditText) findViewById(R.id.et_vericode);
    ibtn_submit_next.setEnabled(false);
  }
 @Override
 public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
   ibtn_submit_next.setEnabled(true);
 }