Formattare android senza perdere dating, string -> localdatetime
The challenge sometimes, is after the user select the date in the dialog how do you work with the date in your Activity or Fragment.
There are only limited circumstances where these formatters are good enough. Date formats are not synchronized. You can however convert your date to milliseconds and save to database.
It is recommended to create separate format instances for each thread. There are other static factory methods available. For instance, characters like ': The framework provides a lot of tools and helper classes to help developers work with date and time in Android so we will start our tutorial by examining the common terms and concept that you will encounter when you work with Android DateTime.
SimpleDateFormat - time zone names cannot be parsed and a few more symbols are supported. Different countries use very different formats and it's easy to incorrectly format your strings for your international users.
The Date class java. Create a Calendar or GregoryCalendar instance variable in your Activity or Fragment Create a Picker DialogFragment Set your Fragment as the target Fragment, so when then the user selects a date it will be delivered to your Fragment For example if you have a Fragment called BirthDayFragment and you want to give your users a dialog to select their birthdays.
More detail and examples of using these styles are provided in the method descriptions.
How to Correctly Format Date/Time Strings on Android
You can determine the raw date and time data using the static method provided in the System class java. Incidentally, you can also use the DateFormat and SimpleDateFormat classes to parse date and time strings into the appropriate Date class.
Numeric presentation for year and weekyear fields are handled specially. For example, if the count of 'y' is 2, the year will be displayed as the zero-based year of the century, which is two digits. In fact, we did a quick perusal of all the Java reference books in our office not insubstantial and very few cover dates and times in any substantial way.
DateFormat helps you to format and parse dates for any locale.