Android限时抢购倒计时实现代码

<LinearLayout    android:id="@+id/ll_xsqg"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:orientation="horizontal"    android:paddingTop="8dp"    android:paddingBottom="8dp"    android:paddingLeft="16dp">    <TextView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:textStyle="bold"      android:textSize="14sp"      android:text="@string/xsqg"/>    <TextView      android:id="@+id/tv_hour"      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:layout_marginLeft="5dp"      android:paddingTop="3dp"      android:paddingBottom="3dp"      android:paddingLeft="5dp"      android:paddingRight="5dp"      android:background="@drawable/time_corner"      android:textColor="@android:color/white"      android:textSize="12sp"      android:text="02"/>    <TextView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:layout_marginLeft="5dp"      android:textStyle="bold"      android:textColor="@android:color/black"      android:text=":"/>    <TextView      android:id="@+id/tv_minute"      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:layout_marginLeft="5dp"      android:paddingTop="3dp"      android:paddingBottom="3dp"      android:paddingLeft="5dp"      android:paddingRight="5dp"      android:background="@drawable/time_corner"      android:textColor="@android:color/white"      android:textSize="12sp"      android:text="15"/>    <TextView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:layout_marginLeft="5dp"      android:textStyle="bold"      android:textColor="@android:color/black"      android:text=":"/>    <TextView      android:id="@+id/tv_second"      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:layout_marginLeft="5dp"      android:paddingTop="3dp"      android:paddingBottom="3dp"      android:paddingLeft="5dp"      android:paddingRight="5dp"      android:background="@drawable/time_corner"      android:textColor="@android:color/white"      android:textSize="12sp"      android:text="36"/>  </LinearLayout>

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();  }  /**   * 开启倒计时   */  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();  }  /**   * 倒计时计算   */  private void computeTime() {    mSecond--;    if (mSecond < 0) {      mMin--;      mSecond = 59;      if (mMin < 0) {        mMin = 59;        mHour--;      }    }  }}