Android global variable

Android global variable

How can I create global variable keep remain values around the life cycle of the application regardless which activity running.. 1:You can extend the base android.app.Application class and add member variables like so:public class MyAppl

How to read all files in a folder from Java?

How to read all files in a folder from Java?

How to read all the files in a folder through Java? 1:public void listFilesForFolder(final File folder) { for (final File fileEntry : folder.listFiles()) { if (fileEntry.isDirectory()) { listFilesForFolder(fileEntry)

How to get the Android device's primary e-mail address

How to get the Android device's primary e-mail address

How do you get the Android's primary e-mail address (or a list of e-mail addresses)?It's my understanding that on OS 2.0+ there's support for multiple e-mail addresses, but below 2.0 you can only have one e-mail address per device. 1:The

Is there an increment operator ++ for Java enum? [duplicate]

Is there an increment operator ++ for Java enum? [duplicate]

This question already has an answer here: Whats the best way to implement `next` and `previous` on an enum type? 2 answers Is it possible to implement

Rails 3 and Devise: Redirecting to page following signup (confirmable)

Rails 3 and Devise: Redirecting to page following signup (confirmable)

I have a Rails 3 project with Devise, confirmable enabled so the user has to confirm their account through email after registration. Currently the project returns the user to the login page and throws a "You've signed up successfully..." no

Tree item select event in javafx2

Tree item select event in javafx2

I have created the treeview in javafx2. i need to write the event for getting clicked node name. pls let me know how to do this? 1:use ChangeListener .Sample code : treeView.getSelectionModel().selectedItemProperty().addListener( new Ch

jasmine 2 - Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTER

jasmine 2 - Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTER

Having trouble with jasmine 2 and getting async specs wired up:define(['foo'], function(foo) { return describe('foo', function() { beforeEach(function(done) { window.jasmine.DEFAULT_TIMEOUT_INTERVAL = 10000; return setTimeout(

ImageView not refreshing/reflecting changes

ImageView not refreshing/reflecting changes

I'm using a photo picker intent to choose an image and write it to an application-private file. Most of my important source code is shown below. Once I press a button and perform the first image selection intent, then it successfully update

How to resize a sprite in Libgdx?

How to resize a sprite in Libgdx?

I have a problem with the method sprite.setSize(float x, float y) in Libgdx. It does not affect the size or the dimensions of the sprite. They remains fixed whatever I pass to the setSize() method.here is my code:public class GameScreen imp

super respondsToSelector: returns true but actually calling super (selector) gives “unrecognized sel

super respondsToSelector: returns true but actually calling super (selector) gives “unrecognized sel

OK, I am a little confused.I have a subclass of UIScrollView, which is my attempt at a horizontally scrolling "table view" like UI element. UIScrollView itself sets up UIGestureRecognizers it uses internally, and it appears to set itself u

C# Optional Parameters or Method Overload? [duplicate]

C# Optional Parameters or Method Overload? [duplicate]

This question already has an answer here: method overloading vs optional parameter in C# 4.0 [duplicate] 11 answers Since C# added optional parameters

Show ProgressDialog in Fragment class

Show ProgressDialog in Fragment class

I am trying to show a ProgressDialog within a Fragment class. The following code just works within an Activity class but not for Fragment. Can somebody please help me on this, why this ProgressDialog implementaion just works within an Activ

Control for displaying multiline text?

Control for displaying multiline text?

I need to display a multiline, read-only text - which control can be used for that? It should only dislay the text, like a Label does, however Label does not support multiline?Thanks for any hint :-) 1:You can display multi-line read-onl

Get ControllerName and ActionName and populate the ViewData in Master Page?

Get ControllerName and ActionName and populate the ViewData in Master Page?

I've a SuperController which will be inherited from all the controllers. In the constructor I'm trying to populate the ViewData using the ControllerName and the ActionName.I'm not going to pass the ControllerName and the ActionName as the V

Google Maps Api Directions

Google Maps Api Directions

Can i mark two points on the google maps in my application and then calculate the direction on the map as well as turn by turn navigation ? 1:No the Map Activity doesn't provide such a feature. You have to request it via the Google Maps

signalR and CustomTypeConverter

signalR and CustomTypeConverter

I'm want to serialize derived type as explained here but for signalRI want to implement my custom converter derived from JsonConverterI added it to signalR as folowsvar serializer = GlobalHost.DependencyResolver.GetService(typeof(JsonSeri

PhoneGap Mobile Rails Authentication (devise? authentication from scratch?)

PhoneGap Mobile Rails Authentication (devise? authentication from scratch?)

I have a PhoneGap app with a Rails backend. I'm trying to figure out what the best way is to authenticate a user from the mobile app using json.I am using devise currently, but I don't have to use that. What would be the most simple way to

Handling Android application pause on incoming call and resume after call end

Handling Android application pause on incoming call and resume after call end

I want to pause my android application when the phone receives an incoming call. After the call ends, I want my applications to resume automatically.How would this be implemented in an Android application? 1:you have to implement a List

UISplitViewController with multiple Detail View Controller

UISplitViewController with multiple Detail View Controller

I am making a splitView application and i want different detail view controllers for all i have studies a lot found that use apples MultipleDetailView Controllers but it is not fully adopted so that any one can use it so is there any way to

Lazy loading and lazy execution patterns

Lazy loading and lazy execution patterns

I'd like to get some feedback on a class I wrote for encapsulating the lazy-load pattern. Usually, when I do lazy-loading, it looks something like this:private SomeClass _someProperty;public SomeClass SomeProperty{ get { if(thi

Add dropShadow only to border of grid pane JavaFx 2.2

Add dropShadow only to border of grid pane JavaFx 2.2

Want to add drop shadow only to the border of Grid pane not to inner child elementshere is the image of screen showing the effect. 1:Use a StackPane and place your GridPane in it. Style your StackPane with CSS to apply a background colo

Playback video in slow motion in android

Playback video in slow motion in android

- I am working on a project which needs to play video in slow motion.- I am well aware that Android doesn't provide these functionality. - I found PVPlayer Engine and libVLC which possessed these capabilities, but i didn't found any tutoria

Gridview - Click image to view image in Viewpager

Gridview - Click image to view image in Viewpager

This is a gridview that get image from json. and it works fine. I want to click image in this gridview to show full image and can slide it. I find the solution of this problem is used Viewpager. how can I click image in gridview to show ima

Visual Studio Settings file - how does it work?

Visual Studio Settings file - how does it work?

I do not understand the following things:What is the difference between app.config (applicationname.exe.config) and settings file ?I am unable to locate the *.settings file in Windows7 AppData directory under the specific account (I heard t

Call Particular Method after regular interval of time

Call Particular Method after regular interval of time

In my android application I want to call particular method at regular interval of time ie. "after every 5 seconds"...how can i do that....? 1:You can use Timer for the fixed-period execution of a method.Here is a sample of code:final lon