Here is how to get a user’s age from date of birth
If you need get a user’s age from a given date of birth string, this code below can be used for that
The date of birth string must be in DD/MM/YYYY format
private int getAge(String dobString){ Date date = null; SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy"); try { date = sdf.parse(dobString); } catch (ParseException e) { e.printStackTrace(); } if(date == null) return 0; Calendar dob = Calendar.getInstance(); Calendar today = Calendar.getInstance(); dob.setTime(date); int year = dob.get(Calendar.YEAR); int month = dob.get(Calendar.MONTH); int day = dob.get(Calendar.DAY_OF_MONTH); dob.set(year, month+1, day); int age = today.get(Calendar.YEAR) - dob.get(Calendar.YEAR); if (today.get(Calendar.DAY_OF_YEAR) < dob.get(Calendar.DAY_OF_YEAR)) { age--; } return age; }
When you call this, it will return the age based on the string you provided.
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