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/** * 日期操作 */ public class DateUtil { private static final String[] weekDayStrings = {“日”, “一”, “二”, “三”, “四”, “五”, “六”};public static final String DATETIME_PATTERN_1_1 = "yyyy-MM-dd HH:mm:ss

private long lastTime = 0;@Overridepublic void onBackPressed() {if (System.currentTimeMillis() - lastTime finish();} else {lastTime = System.currentTimeMillis();TipTools.showToast(ba

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