如何在 Android 中创建自定义调度程序？
我有一个名为 events 的表，其结构如下：
id
name
date
time
我想要的是，在表中提到的日期和时间，屏幕上应该弹出通知。
我想了解应用程序成功安装后，进程是否应始终在后台运行以检查当前时间是否已达到事件表中提到的时间，还是有其他方法可以完成此操作？
I have a table named events whose structure is as follows:
id
name
date
time
What i want is that at the date and time mentioned in the table a notification should popup on the screen.
I want to understand whether after the application has been installed succeessfully, the procees should always run in the background to check whether the current time has reached the time mentioned in the events table or there is another way to accomplish this?
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理论上，您需要制定待处理意图并将时间设置为表中任何预定义时间的下一个时间。现在编写广播接收器，在 onRecieve() 方法中，除了执行其他任务之外，您还需要下次从表中查找并设置下一个待处理意图。
Theoretically you need to make a pending intent and set the time as next whatever predefined time from your table. Now write the Broadcast receiver and in the onRecieve() method apart from doing your other tasks you need the find the next time from your table and set the next pending-intent.