Android账号注册实现点击获取验证码倒计时效果

import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.widget.Button;

import com.jialianjia.bzw.BaseActivity;
import com.jialianjia.bzw.R;
import com.jialianjia.bzw.utils.CountDownButtonHelper;
import com.lidroid.xutils.ViewUtils;
import com.lidroid.xutils.view.annotation.ViewInject;

/**
 * 注册功能
 * Created by GXS on 2016/4/21.
 */
public class RegisterActivity extends BaseActivity{

 private Button btn_yzm;

 @ViewInject(R.id.toolbar)
 Toolbar toolbar;

 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_register);
 ViewUtils.inject(this);
 initToolBar(toolbar,"账号注册",true);

 // 获取验证码--start
 btn_yzm = (Button) findViewById(R.id.btn_yzm);
 btn_yzm.setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View v) {
  CountDownButtonHelper helper = new CountDownButtonHelper(btn_yzm,"倒计时",60,1);

  helper.setOnFinishListener(new CountDownButtonHelper.OnFinishListener() {
   @Override
   public void finish() {
   // Toast.makeText(RegisterActivity.this,"倒计时结束",Toast.LENGTH_SHORT).show();
   btn_yzm.setText("再次获取");
   }
  });
  helper.start();
  }
 }); // 获取验证码--end
 }
}

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>