安卓：倒计时例如10:00至00:00？使用OnclickListener到TextView的？

问题描述

我试图做一个倒数计时器开始10分钟，similair到篮球记分牌：10：00至00:00。我将如何做呢？这是我的code：

I'm trying to make a countdown timer starting at 10 minutes, similair to a basketball scoreboard: 10:00 to 00:00. How would I do that? This is my code:

private TextView Timer;
Handler handler = new Handler();
private int length = 120000;
private int decision = 0;
MyCount counter;

public String formatTime(long millis) {
    String output = "00:00";
    long seconds = millis / 1000;
    long minutes = seconds / 60;

    seconds = seconds % 60;
    minutes = minutes % 60;

    String sec = String.valueOf(seconds);
    String min = String.valueOf(minutes);

    if (seconds < 10)
        sec = "0" + seconds;
    if (minutes < 10)
        min= "0" + minutes;

    output = min + " : " + sec;
    return output;
}//formatTime

@Override
public void onCreate(Bundle cute) {
    super.onCreate(cute);
    counter = new MyCount(length, 1000);
    updateTime();
    handler.removeCallbacks(updateTimeTask);
    handler.postDelayed(updateTimeTask, 1000);
}//end of cuteness

private Runnable updateTimeTask = new Runnable() {
    public void run() {
        updateTime();
        handler.postDelayed(this, 1000);
    }
};

private void updateTime() {
    switch (decision) {
        case 0:
            startTime = 0L;
            counter.start();
            decision=1;
            break;
        case 1:
            counter.onPause();
            decision=0;
            break;
    }
}//updateTime

class MyCount extends CountDownTimer {
    public MyCount(long millisInFuture, long countDownInterval) {
        super(millisInFuture, countDownInterval);
    }//MyCount

    public void onPause() {
        //do stuff later
        onPause();
    }//finish

    public void onTick(long millisUntilFinished) {
        Timer.setText("" + formatTime(millisUntilFinished));
    }//on tick

    @Override
    public void onFinish() {
        onStop();

    }//finish
}//class MyCount

任何帮助将是AP preciated。谢谢！

Any help would be appreciated. thanks!

推荐答案

这不必太用力。你已经创建了功能写你在信的时间，现在你需要倒计时。启动一个定时器很容易，只要做到这一点在你的启动按钮的事件处理程序（或者任何你选择使用）（变形例从的：

This does not have to be too hard. You've already created your functionality for writing your time in letters, now you need to count down. Starting a timer is easy, just do this in your start button event handler (or whatever you choose to use) (modified example from the android developer reference:

// New timer for 10 minutes, starts after initialization
new MyCount(600000, 1000)
{
    // Updates the text on your "scoreboard" every second
    public void onTick(long millisUntilFinished)
    {
        Timer.setText("Time remaining: " + formatTime(millisUntilFinished));
    }

    public void onFinish()
    {
        mTextField.setText("done!");
    }
}.start();

这就是你所需要的！您可以跳过你的录入功能，你的 updateTimeTask 。只需更换这一切都在你的的onCreate 方法

And that's all you need! You can skip your UpdateTime function and your updateTimeTask. Just replace all this on your onCreate method

counter = new MyCount(length, 1000);
updateTime();
handler.removeCallbacks(updateTimeTask);
handler.postDelayed(updateTimeTask, 1000);

使用我的code。或修改它，你请！

With my code. Or modify it as you please!

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