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Android update activity UI from service
...ntly I've started using a different approach to Service/Activity communication:
Use a bound service which enables the Activity to get a direct
reference to the Service, thus allowing direct calls on it, rather
than using Intents.
Use RxJava to execute asynchronous operations.
If the Service needs ...
Difference between wait() and sleep()
...ereas you call sleep on Thread.
Yet another point is that you can get spurious wakeups from wait (i.e. the thread which is waiting resumes for no apparent reason). You should always wait whilst spinning on some condition as follows:
synchronized {
while (!condition) { mon.wait(); }
}
...
Why is the String class declared final in Java?
...
Unless there's a connection between final classes and immutable objects that I'm not seeing, I don't see how your answer relates to the question.
– sepp2k
Jan 15 '10 at 1:21
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How to display Base64 images in HTML?
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thankyou for taking the time to answer my question... that js fiddle simply outputs a red dot?? is that what it is meant to do?
– Christopher
Dec 14 '11 at 5:11
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What's the difference between Task.Start/Wait and Async/Await?
...r order, a friend walks in and sits down next to you and starts a conversation. Now you have two choices. You can ignore your friend until the task is complete -- you can wait until your soup arrives and do nothing else while you are waiting. Or you can respond to your friend, and when your friend s...
Using comparison operators in Scala's pattern matching system
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You can add a guard, i.e. an if and a boolean expression after the pattern:
a match {
case 10 => println("ten")
case x if x > 10 => println("greater than ten")
case _ => println("less than ten")
}
Edit: Note that this is more than superficially differ...
How can I safely encode a string in Java to use as a filename?
...ginal file, SHA-1 or any other hashing scheme is not the answer. If collisions must be avoided, then simple replacement or removal of "bad" characters is not the answer either.
Instead you want something like this. (Note: this should be treated as an illustrative example, not something to copy an...
How to display count of notifications in app launcher icon [duplicate]
samsung galaxy note 2 android version 4.1.2
5 Answers
5
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What is null in Java?
...null is an instanceof.
15.20.2 Type Comparison Operator instanceof
RelationalExpression:
RelationalExpression instanceof ReferenceType
At run time, the result of the instanceof operator is true if the value of the RelationalExpression is not null and the reference could be cast to the R...
Android: Background Image Size (in Pixel) which Support All Devices
I am creating an Application which will run on all Android Devices. I want to create xhdpi Graphics for My App. My App is full screen. I am confused in Creating graphics. can any one tell me the best sizes of my background image in pixels.
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