import com.avos.avoscloud.AVMobilePhoneVerifyCallback; //导入依赖的package包/类
@Click(R.id.id_btn_sign_up_second_step_done)
void done() {
    String verifyCode = mViewVerifyCode.getText().toString();
    if (verifyCode.isEmpty()) {
        showToast("请输入验证码");
        return;
    }
    AVUser.verifyMobilePhoneInBackground(verifyCode, new AVMobilePhoneVerifyCallback() {

        @Override
        public void done(AVException e) {
            if (e == null) {
                showToast("验证成功");
                MainActivity_.intent(SignUpSecondStepActivity.this).start();
                ActivityCollector.finishActivity(SignUpFirstStepActivity_.class.getSimpleName());
                finish();
            } else {
                e.printStackTrace();
            }

        }
    });
}