Android限时抢购倒计时实现代码

限时抢购倒计时实现效果图

布局：

代码实现

public class HomeActivity extends Activity {

  @Bind(R.id.tv_hour)
  TextView tvHour;
  @Bind(R.id.tv_minute)
  TextView tvMinute;
  @Bind(R.id.tv_second)
  TextView tvSecond;

  private long mHour = 02;
  private long mMin = 15;
  private long mSecond = 36;
  private boolean isRun = true;

  private Handler timeHandler = new Handler() {
    @Override
    public void handleMessage(Message msg) {
      super.handleMessage(msg);
      if (msg.what==1) {
 computeTime();
 if (mHour<10){
   tvHour.setText("0"+mHour+"");
 }else {
   tvHour.setText("0"+mHour+"");
 }
 if (mMin<10){
   tvMinute.setText("0"+mMin+"");
 }else {
   tvMinute.setText(mMin+"");
 }
 if (mSecond<10){
   tvSecond.setText("0"+mSecond+"");
 }else {
   tvSecond.setText(mSecond+"");
 }
      }
    }
  };

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.activity_home);
    ButterKnife.bind(this);
    startRun();
  }


  
  private void startRun() {
    new Thread(new Runnable() {

      @Override
      public void run() {
 // TODO Auto-generated method stub
 while (isRun) {
   try {
     Thread.sleep(1000); // sleep 1000ms
     Message message = Message.obtain();
     message.what = 1;
     timeHandler.sendMessage(message);
   } catch (Exception e) {
     e.printStackTrace();
   }
 }
      }
    }).start();
  }

  
  private void computeTime() {
    mSecond--;
    if (mSecond < 0) {
      mMin--;
      mSecond = 59;
      if (mMin < 0) {
 mMin = 59;
 mHour--;
      }
    }
  }
}

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