App Inventor 2
Programming mobile phones with Android 
by App Inventor 2 - Juan Antonio Villalpando

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User interface

9.- DatePicker and TimePicker.

ip9_datetimepicker

Used to Set / Change the time and date.

In reality as its name suggests is a Selector date/time to choose a date/time, but it serves to change the time mobile for example.

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Design

- When you press Button TimePicker1 or DatePicker1, you get a calendar where you can change the time and date.
- In our case then show the time and date on a label.

- I used a simple procedure for the same Label the time and date shown. If you press repeatedly TimePicker1, it will show several hours.

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Blocks

You can also set a time and date by calling TimePicker.SetTime and SelectDate.SetDate

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Proposals

- Make a code where a date is selected, then another is selected and the number of days is calculated between those two dates.

- Make a code where you select a coming time, and when that time comes usually an alarm.

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