Android工具之把int类型整数毫秒值转换为时间分秒格式

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import java.util.Formatter;import java.util.Locale;public class Utils {    private StringBuilder mFormatBuilder;    private Formatter mFormatter;    public Utils(){        //转换成字符串的时间        mFormatBuilder = new StringBuilder();        mFormatter = new Formatter(mFormatBuilder, Locale.getDefault());    }    /**     * 把毫秒转换成：1：20：30这样的形式     * @param timeMs     * @return     */    public String stringForTime(int timeMs){        int totalSeconds = timeMs/1000;        int seconds = totalSeconds % 60;        int minutes = (totalSeconds/60)%60;        int hours = totalSeconds/3600;        mFormatBuilder.setLength(0);        if(hours>0){            return mFormatter.format("%d:%02d:%02d",hours,minutes,seconds).toString();        } else {            return mFormatter.format("%02d:%02d",minutes,seconds).toString();        }    }}

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