public class MainActivity extends Activity {

     private TimeCount mTiemTimeCount;

     private TextView tv_code;

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

         mTiemTimeCount = new TimeCount(60000, 1000);

         initView();

     }

     private void initView() {

         // TODO Auto-generated method stub

         tv_code = (TextView) findViewById(R.id.verify_code);

         tv_code.setOnClickListener(new OnClickListener() {

             @Override

             public void onClick(View v) {

                 // TODO Auto-generated method stub

                 mTiemTimeCount.start();

             }

         });

     }

     // 计时重发

     private class TimeCount extends CountDownTimer {

         public TimeCount(long millisInFuture, long countDownInterval) {

             super(millisInFuture, countDownInterval);

         }

         @Override

         public void onTick(long millisUntilFinished) {

             tv_code.setClickable(false);

             tv_code.setText(millisUntilFinished / 1000 + "秒后重新发送");

         }

         @Override

         public void onFinish() {

             tv_code.setText("获取验证码");

             tv_code.setClickable(true);

         }

     }

     @Override

     protected void onDestroy() {

         super.onDestroy();

         mTiemTimeCount.cancel();

     }

 }

mTiemTimeCount = new TimeCount(60000, 1000);可以自己更改时间