女朋友老是问我时间多久，于是我。。。

程序逻辑

运行截图

代码

"ui";

showInputUI();
ui.statusBarColor("#e2eafc")
// toast(device.width)
//显示输入界面
function showInputUI() {
    ui.layout(
        <frame background="#e2eafc" >
            <img w="1" src="https://s3.ax1x.com/2020/11/14/DCTerF.jpg"/>
            <vertical h="auto" margin="0 20">
                <linear>
                    <text id="currentTime" margin="0 25" gravity="left" textStyle="bold" color="#111111" size="18">当前时间：</text>
                </linear>
                <linear >
                    <text text="请选择吃饭时间" textStyle="bold" textColor="black" textSize="18sp"  />
                    <timepicker id="eatTime" timePickerMode="spinner" />
                </linear>
                <text  text="请输入煮饭时长:" textStyle="bold" textColor="black" textSize="18sp" />
                <input id="inputTime" margin="0 3" marginTop="-2" w="*"  gravity="center" hint="默认煮饭时长70分钟" textSize="16sp" />

                <linear gravity="center">
                    <button id="submit" text="开始计算" w="auto" style="Widget.AppCompat.Button.Colored" />
                </linear>
                <linear>
                    {/* <text text="直线无限进度条" textColor="black" textSize="16sp" marginTop="24"/> */}
                    <progressbar w="*" h="20" indeterminate="true" style="@style/Base.Widget.AppCompat.ProgressBar.Horizontal" />
                </linear>
                <linear gravity="left" marginTop="20">
                    <text id="Timer"  textStyle="bold" color="#111111" size="25"></text>
                </linear>
                <linear gravity="left">
                    <text id="BookingTime"  textStyle="bold" color="#111111" size="25"></text>
                </linear>
            </vertical>
        </frame>
    );
}


var Hours, Minutes, Seconds;
//循环显示当前时间
setInterval(() => {
    var today = new Date();
    Hours = today.getHours()
    Minutes = today.getMinutes()
    Seconds = today.getSeconds()
    if (today.getHours() < 10) {
        Hours = "0" + today.getHours()
    }
    if (today.getMinutes() < 10) {
        Minutes = "0" + today.getMinutes()
    }
    if (today.getMinutes() < 10) {
        Minutes = "0" + today.getMinutes()
    }
    if (today.getSeconds() < 10) {
        Seconds = "0" + today.getSeconds()
    }
    var NowTime = Hours + ":" + Minutes + ":" + Seconds
    ui.currentTime.setText("当前时间：" + NowTime)

}, 1)


ui.submit.click(() => {
    var cTime, cHours, cMinutes;
    var cookingTime, eatHours, eatMinutes, eatTotalTime, totalTime, BookingTime, sHours, sMinutes;
    // log("当前时间"+Hours)

    //获取吃饭时间
    eatHours = ui.eatTime.getCurrentHour();
    eatMinutes = ui.eatTime.getCurrentMinute();
    eatTotalTime = eatHours*60 + eatMinutes;
    // log(eatTotalTime)

    //获取煮饭时长,由于我家的默认是70分钟，所以默认值为70
    if (ui.inputTime.getText() == "") {
        cookingTime = 70;
        // log(cookingTime);
    } else {
        cookingTime = ui.inputTime.getText()
        // log(cookingTime);
    }

    //获取当前总时长
    totalTime = parseInt(Hours) * 60 + parseInt(Minutes);
    // log("当前时间后"+Hours)

    //计算预约时间
    if (eatHours - Hours < 0) {
        BookingTime = eatTotalTime + 24 * 60 - cookingTime - totalTime;
    } else {
        BookingTime = eatTotalTime - cookingTime - totalTime;
    }
    // log(BookingTime)

    //显示信息
    sHours = Math.floor(BookingTime / 60);
    sMinutes = BookingTime % 60;


    //校验煮饭时间
    var checkHours = parseInt(Hours) + sHours;
    var checkMinutes =parseInt(Minutes) + parseInt(sMinutes);
    log(checkMinutes)
    if (checkHours > 24) {
        checkHours = checkHours-24;
    }   
    if (checkMinutes > 60) {
        checkMinutes =checkMinutes-60;
        checkHours++;
    }

    ui.Timer.setText("电饭煲将在：" + checkHours + "点" + checkMinutes + "分煮饭")
    ui.BookingTime.setText("电饭煲的预约时间是：" + sHours + "小时" + sMinutes + "分")

})