TimePickerDialog | An Android time picker library | User Interface library

Here is my Firebase structure:

I want to store a date and time of day under "Bookings" below the secondName within each User, which will then have the date and time of day selected .

Here is what I have so far which works in a wrong way . It sets a date under a separate child node called " MyBookings "

Essentially what I am doing is clicking a EditText which displays a date and time picker and I need to store that date in Firebase Realtime database.

I am using a date picker and time picker dialog to choose what date and time to save into a Firestore document. I am also using java's LocalDateTime to store locally what date and time I picked from the picker dialogs. Putting the LocalDateTime variable that I created for the Map and saving it into Firestore, saves the date and time as a Map field, and not a timestamp field. I saw a similar question here at this website but the solution is using LocalDateTime's predecessor, Date. I am not planning to replace LocalDateTime with the old version just to achieve what I am trying to do. If you guys know how to store the date and time to Firestore using LocalDateTime.

LocalDateTime Initialization:

I am trying to create an app where the user is able to select the time and the date, I want to make it such that the TimePicker is always showing on the screen for the user. I have managed to do this but I am unable to get the Time that is set by the user as there is no OnChanged method available.

Furthermore, I cannot change the functionality of the cancel and the Ok button that is displayed.

Here is the code:

I have a Calender object that is chosen by user. I need to compare this object (or convert) with LocalDate. Is there any way to do that? I am getting calendar object by that :

How to change timepicker divider dialog programmatically in android.As I used below theme the default color its showing blue.I need to change it to red.

I've been for some days now having this error of trying to insert an object, check that it has actually been inserted, then retrieve that object id to create the record in the many-to-many table, but for some reason, I always get the 787 error saying that I'm basically creating this record without existing in the parent table in the first place, which is impossible since, well, I check it just as I create it, and it is there. How can I fix this?

This is the activity where I insert both records (bottom part):

I am trying to set Date and Time for an event through the use of seperate date and time pickers for start and end times.

Start Date and Start Time End Date and End time

The code I have put together updates the date but Time is not changing

Can anybody guide with respect to the issue?

thanks

Code is below:

I am using the below thread for setting the time in multiples of 5 in the time picker. Using the custom renderers I am able to select the time in multiples of 5. But after selecting a time, when the clock-Pop up closed, a different time is showing on the UI. The issue is only in the android platform, for the ios everything is working as excepted.

My code:

I have a ListView in my Fragment activity that gets the name of files stored in internal storage. The ListView also has an ImageView which when clicked, sets an alarm for showing notification. I want the particular ImageView's background to be changed when clicked. My problem is that after closing the app, the ImageView's background changes back to the normal. So, how should I change every ImageView's background that have been clicked?

Here is my Fragment class code: