#!/bin/bash
PRICE=$(expr $RANDOM % 1000)
TIMES=0
echo "商品实际价格为 0-999 之间,猜猜看是多少? "
while true
do
read -p "请输入您猜测的价格数目: " INT
let TIMES++
if [ $INT -eq $PRICE ] ; then
echo "恭喜您答对了,实际价格是 $PRICE"
echo "您总共猜测了 $TIMES 次"
exit 0
elif [ $INT -gt $PRICE ] ; then
echo "太高了! "
else
echo "太低了! "
fi
done
//双击退出事件
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if(keyCode == KeyEvent.KEYCODE_BACK){
ExitApp(); //调用双击退出函数
}
return false;
}
private long exitTime = 0;
public void ExitApp() {
if ((System.currentTimeMillis() - exitTime) > 2000){
Snackbar.make(lstData, "再按一次退出程序", Snackbar.LENGTH_LONG).setAction("Action", null).show();
exitTime = System.currentTimeMillis();
} else {
finish();
System.exit(0);
}
}