This simple code plays a music…….. [[SimpleAudioEngine sharedEngine] playBackgroundMusic:@”my_music.mp3″]; For stopping the music use this……. [[SimpleAudioEngine sharedEngine]stopBackgroundMusic]; To pause the music use this line of code….. [[SimpleAudioEngine sharedEngine] pauseBackgroundMusic];
Gear joints are one of the real specialities of Box2D. By creating gear joints between two bodies you can actually simulate a real world gear. For creating a gear joint you need two bodies connected by a revolute or prismatic joint. The below code creates two bodies in the shape of a circle which is… Read More »
This code add an image to Jpanel. JPanel panel1 = new JPanel(); JFrame recursion_frame = new JFrame(); BackgroundPanel stack_image1 = new BackgroundPanel(“Recursion.jpg”); panel1.setLayout(null); panel1.setLayout(new BorderLayout()); panel1.setBackground(Color.lightGray); panel1.setVisible(true); recursion_frame.setContentPane(panel1); ///adding to panel… recursion_frame.getContentPane().add(stack_image1); //adding image to panel…
In some case we need to position the window in the center of the screen . The same effect can be achieved by hard coding the center points .But in that case the window position change when the screen resolution changes This code will position the window in center irrespective of different screen resolutions public… Read More »
This is very useful because in some case we want to stop the window from resizing. The resizing can spoil our entire window design public JFrame stack_frame = new JFrame(); stack_frame.setResizable(false);
This is a simple message window which popup after an event . You can put this code inside an clicklistener JOptionPane.showMessageDialog(content_frame.getContentPane() , ” Message String “, JOptionPane.INFORMATION_MESSAGE);
Hi, Objective C uses a special keyword ‘id’. Let’s see what it is. Objective C -id- is actually a ‘pointer to an object’. That is ‘id’ can hold a pointer to any objective c object. It doesn’t matter the object’s class. eg: NSString *myString = @”Coderz Heaven!”; id newString; NSString *tempString; newString=myString; tempString=newString; That’s it!… Read More »
Plist or property list are usually used for storing data in iPhone. They are normal XML files, you can open it in a texteditor to view it’s data. This sample code shows how to read data from the plist. Reading a plist will return an array.You can print out the array to view the results.… Read More »
Hi all …… You know iPhone doesnot have garbage collection like ANDROID. So it becomes the responsibility of the developer or programmer to release the resources and remove the unwanted textures from your memory. If you don’t remove the unused textures and other variables from your memory your application will exit after a while. You… Read More »
For an interactive game building using Box2D, collision detection of Box2D bodies is necessary. There is an easy way to implement collision detection in Box2D. For checking whether two bodies have collided with each other in Box2D while using it with cocos2D, then use the following lines of code where ever you want to check… Read More »
Sometimes unused textures may cause you memory leak! So you need to remove the unused textures. For removing unused textures, use the following line of code, where ever you want to remove unused textures. [[TextureMgr sharedTextureMgr] removeUnusedTextures]; 🙂
Hi, In certain situations you may need to remove all the forces you have applied on different bodies in your box2D world. Then what to do? Removing all the forces from the bodies in the box2D world is simple. Just use the single line of code. yourWorld->ClearForces(); Here yourWorld is your Box2D world. Simple, isn’t… Read More »
The following example shows how to deal with a simple text file in Adobe AIR/FLEX. This example illustratesd how to write a string to a text file and save it in the desktop. However you can use the “application directory” but make sure that you have necessary write permission to access the directory. Please leave… Read More »
Here I will show how to set focus for a textInput in Adobe AIR/FLEX. Look at the following code…….. txt_field.setFocus(); Here “txt_field” is the textInput.
This is a simple code in Titanium which opens the browser in your phone with the specified URL. var URL = “http://www.google.com”; Titanium.Platform.openURL(URL); Please leave your comments on this post.
Sometimes we may not need suggestions to appear in the textbox in our application in ANDROID. This simple codes turns off this suggestion …. Put this code inside your editText tag in the layout xml file. if the above code is not working try this… Please leave your valuable comments………..
Creating a JMenubar is simple. JMenuBar menubar = new JMenuBar(); JMenu menu1 = new JMenu(“File”); JMenu menu2= new JMenu(“Help”); file = new JMenuItem(“Exit to menu”); edit = new JMenuItem(“Exit”); JMenuItem about = new JMenuItem(“About us”); f.setJMenuBar(menubar); menu1.add(file); menu1.add(edit); menu2.add(about); menubar.add(menu1); menubar.add(menu2); file.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { //Action…… } }); edit.addActionListener(new ActionListener() {… Read More »
There may arise certain situations there you are using a number of @selector functions and want to stop all those selectors. In cocos2D there is an easy way to stop/unschedule all the selectors with a single line of code! Use this line of code where ever you want to unshedule all the selectors being activated.… Read More »
Often in out applications we need to play sounds , so this code explains how to play, stop and resume an mp3 sound in Adobe AIR/FLEX. What you have to do is to copy the following code and place it inside your “mx:Script” tag. After that place three buttons for play, pause and stop and… Read More »
Loading a PDF file in Titanium may be sometimes our requirement for an application. For loading a PDF we need to have a webview inside a scrollview so that it is scrollable also. Take a look at this simple example. /** creating a window **/ var window = Titanium.UI.createWindow{}; /** creating a webview **/ var… Read More »
This example shows how to load a webpage inside Adobe AIR, For this first you have to place an HTML control in your design for loading the html content. Create an page “index.html” inside the application directory of your current project and add some Html content to it. After that copy the following code to… Read More »
This example shows how to dynamically load css in Adobe AIR / FLEX. Here in this example Panel id the tag name for the panel control. Drag a panel control to your design then copy the code to your source file. “myTabs” is the class for the CSS. Panel { borderColor: #CBE0FF; border-style:solid; borderThickness: 1;… Read More »
Hi, JavaScript is mainly used for client side scripting. In client side scripting one of the thing which we are usually in need is Validation of Forms. We want to know the user , who is interacting with the form have already given the necessary details before submitting or saving etc. Here is a simple… Read More »
Hello………. A button Bar is a convenient way to place your buttons in an application. It saves a lots of space in your application interface. Take a look at the following example which shows how to use the ButtonBar. An itemClickEvent is attached to each button in the ButtonBar. You can place as many buttons… Read More »
This code snippet helps you to open a webpage in Safari. Code uses openURL to load the webpage in the web browser. Write this function as an action to a button……… – ( IBAction ) loadWebPageInSafari : ( id ) sender { NSURL *my_URL = [NSURL URLWithString:[Your_URL stringValue]]; if ( [ [NSWorkspace sharedWorkspace] openURL :… Read More »