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Simplest way to detect a mobile device in PHP
...Code:
<?php
$useragent=$_SERVER['HTTP_USER_AGENT'];
if(preg_match('/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|...
How to read/write a boolean when implementing the Parcelable interface?
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@sotrh that is a copy-paste from a source code. Open android.os.Parcel source and see for yourself.
– Yaroslav Mytkalyk
Jan 5 '16 at 10:19
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Prevent ViewPager from destroying off-screen views
...s limit will be recreated from the adapter when needed."
http://developer.android.com/reference/android/support/v4/view/ViewPager.html#setOffscreenPageLimit(int)
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Differences between Intent and PendingIntent
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Intent
An Android Intent is an object carrying an intent, i.e. a message from one component to another component either inside or outside of the application. Intents can communicate messages among any of the three core components of an...
Programmatically go back to the previous fragment in the backstack
...opBackStack() methods (there are several to choose from)
http://developer.android.com/reference/android/app/FragmentManager.html#popBackStack()
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Can't find @Nullable inside javax.annotation.*
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In case someone has this while trying to compile an Android project, there is an alternative Nullable implementation in android.support.annotation.Nullable. So take care which package you've referenced in your imports.
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I get exception when using Thread.sleep(x) or wait()
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When using Android (the only time when I use Java) I would recommend using a handler instead putting the thread to sleep.
final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public ...
Difference between an API and SDK
... I agree with this definition, but at the same time wonder why iOS and Android use the term API for e.g. the Bluetooth library (iOS Core Bluetooth API, Android Bluetooth APIs)?
– tamberg
Oct 11 '19 at 9:26
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Java code for getting current time [duplicate]
...ater. Official successor to Joda-Time.Back-ported to Java 6 & 7 and to Android.
Joda-TimeThird-party library, open-source, free-of-cost.
java.time
ZonedDateTime zdt = ZonedDateTime.now();
If needed for old code, convert to java.util.Date. Go through at Instant which is a moment on the timel...
How to obtain the start time and end time of a day?
...ted to Java 6 & 7 in the ThreeTen-Backport project, further adapted to Android in the ThreeTenABP project.
An Instant is a moment on the timeline in UTC with a resolution of nanoseconds.
Instant instant = Instant.now();
Apply a time zone to get the wall-clock time for some locality.
ZoneId zone...