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Questions tagged [android-date]

276 questions
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Calculate the time difference between two days of current week on Android

I would like to calculate the time difference between two days (e.g. Friday and Saturday) of the same week. This sort of calculation is required for validating a time restriction of my project. To understand more about the restriction see the below…
Purple Lotus
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NumberFormatException: Invalid int: "HH"

I get the error Invalid int:"HH". It only occurs on some devices. I think the problem is in the conversion , but why does it work on most devices ? This is the logcat: java.lang.NumberFormatException: Invalid int: "HH" at…
Rivas202
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Difference between 2 date objects in days

I am doing an android project and I have 2 date objects Fri Apr 17 00:00:00 GMT+05:30 2015 Thu Apr 16 21:12:27 GMT+05:30 2015 Here difference b/w these 2 dates is not 24 hrs, but as the day changes from Thu to Fri I need the difference as…
user2085965
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Execute code in a specific date using date stored in a database

I've stored a date in a database, but if now I want to execute some code when the date stored is equal to the corrent date on the device? The date format is : MM/DD/YYYY , if for example the date stored is 03/14/2015 and I need to execute code in…
Slaiv206
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How to convert String to Date which can be store in database?

I use a DataPicker and in the method onDateSet(DatePicker view, int year, int monthOfYear,int dayOfMonth) I get year , monthOfYear and dayOfMonth, how I can merge this 3 int in a single Date which I can use to store in a database?
Slaiv206
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Convert Tue Dec 09 00:00:00 GMT+04:00 2014 to yyyy-MM-dd android

The code below produces error Caused by: java.lang.NullPointerException at java.util.Calendar.setTime. Is it the right way to convert "Tue Dec 09 00:00:00 GMT+04:00 2014" to yyyy-MM-dd android using simpledateformat SimpleDateFormat…
Dimitri
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Parse date milliseconds to days,hours,minutes

I'm trying to get parse a string to date, and after that to get the days, hours & minutes from the milliseconds. I'm parsing this string to date:2015-03-01 00:00:00, and that I'm doing with this code: DateFormat dateFormat = new…
Darko Petkovski
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Parse date from string to get milliseconds

I'm trying to get the milliseconds from an string that contains a date, but seems that I'm getting the wrong value. This is the string im trying to parse: 2015-03-01 00:00:00, I'm doing this to parse it: DateFormat dateFormat = new…
Darko Petkovski
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Date Formatting using only date and month?

I need to construct a date which will display only day and month example:- 23 Dec . I have day value and month value only but how do I use SimpleDateFormat to construct a formatted date with format like "dd-MMM".How do I modified the below method to…
Anshul
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dealing with Date and Time separately

I want to deal with date and time separately in my android app, by saying separately I mean setting the time without affecting the date and vice versa, So, when setting the time only: Calendar calendar = Calendar.getInstance(); …
Muhammed Refaat
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How to get the Time like facebook post eg. 1sec ago or 3hrs ago, In android application

I have developed an application where the user receives the message from other application user. I want to just show the time like Facebook, eg. 1sec ago or 3Hrs ago. Something in this fashion. I tried a code from one of our Fellow S.O expert but…
Mayank
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android date format: How to convert date in alphabets

How can I convert this date 26-11-2013 in this format nov 26. I have tried many things but didn't work for me. Like SimpleDateFormat formatter = new SimpleDateFormat("dd-MM-yyyy"); String dateInString = "26-11-2013"; Date date =…
Abid Khan
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Android event that occurs on every start of new day until some end date

I am developing an application for a certain event like a count down. In the foreground of the app I show the days, hours, minutes and seconds left till the event date/time with handler. However, I'd like to be able to detect start of new day (when…
Speed Demon
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Should I set timezone to convert string to date?

I convert string to date like this: String date = Date_.get(position).substring(0,19); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss"); Date testDate = null; try { testDate = sdf.parse(date); }catch(Exception ex){ …
CompEng
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SimpleDateFormat.parse() converts DTstring to local time. Can be converted to source's time?

I have followed this SO answer for datetime conversion of 8601. I will cite an example straight from w3 : 1994-11-05T08:15:30-05:00 corresponds to November 5, 1994, 8:15:30 am, US Eastern Standard Time. 1994-11-05T13:15:30Z corresponds to the same…
Diolor
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