android 自定义CountDownTimer计时器（支持暂停）

最新推荐文章于 2024-10-08 16:28:13 发布

嘚儿哩咯咙咚呛

最新推荐文章于 2024-10-08 16:28:13 发布

阅读量4k

点赞数

分类专栏： android实用工具类文章标签： android 计时器自定义暂停 CountDownTimer

本文链接：https://blog.youkuaiyun.com/qq_15530467/article/details/52983198

版权

本文介绍了一个自定义的Android CountDownTimer类，支持在计时过程中暂停和恢复。通过Handler消息机制实现计时，并提供了onTick和onFinish回调方法，方便在计时期间和结束时进行操作。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

废话不多说，直接上代码

package com.zdsoft.littleapple.utils.timer;

import android.os.Handler;
import android.os.Message;
import android.os.SystemClock;

import com.zdsoft.littleapple.utils.log.LogUtils;

public abstract class CountDownTimer {

    /**
     * Millis since epoch when alarm should stop.
     */
    private final long mMillisInFuture;

    /**
     * The interval in millis that the user receives callbacks
     */
    private final long mCountdownInterval;

    private long mMillisFinished = 0;

    private long mElapsedRealtime;

    /**
     * boolean representing if the timer was cancelled
     */
    private boolean mCancelled = false;

    /**
     * @param millisInFuture    The number of millis in the future from the call
     *                          to {@link #start()} until the countdown is done and {@link #onFinish(long millisUntilFinished)}
     *                          is called.
     * @param countDownI