Hi, Sometimes you may want to detect shake gesture in iPhone using your programs. But how can you detect shake gesture in iPhone? Shake gesture in iPhone can be detected by using the accelerometer. The following lines of code can be used for detecting the shake gesture in iPhone. You can use these lines of… Read More »
Hello everyone…… Of course for the above question there are other ways to do it. This is one simple method Start two emulators and call each other, but the problem is it will be time consuming and memory will be consumed. Another method 1. First start your emulator and make sure it’s running. 2. Then… Read More »
Hi, If you are a game developer and you are using box2D for real world simulations, you would probably need a particular body to be removed from the box2D world! But how can you remove box2D body from world ? See the following sample code which does the same. – (void)ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {… Read More »
Hi all…… Here is a simple example of expandandable ListView in ANDROID. But I am not going to explain any code, because everything is explained inside the java file. Make sure to read it. The main.xml file. The child_row.xml The group_row.xml The strings.xml (This file contains the string for the color that is used for… Read More »
Hello everyone…….. In this simple example I will show you how to use Text To Speech in ANDROID. This is one of the unique features in ANDROID. Unlike iPhone , ANDROID has a built in TTS Library which supports many languages. But iPhone doesn’t have this feature. They have to depend on third-party software for… Read More »
First create a database named “mydatabase” in MySql. Then create a table “tbl_user” with three fields (id, username and password). The next step is to create a php page which will communicate between the MySql database and the android application. For this create a “Connections.php” page as shown below. It will set up a connection… Read More »
Hi, Sometimes you may need to find/search a particular item in NSArray. How can you find whether a particular item is present in NSArray or not? Look at the code below. Here ‘yourArray is your NSArray and ‘containsObject’ returns either TRUE or FALSE and it get stored in ‘testFlag’. 🙂
Hi, Sometimes you may need to empty an NSMutableArray which is already initialized with some objects. You don’t need to release it and again alloc it for future use! You can simply empty an NSMutableArray using the following line of code. [yourArray removeAllObjects]; Here ‘yourArray’ is your NSMutableArray. 🙂
Hi all…. In this tutorial I will teach you how to make use of Gestures in ANDROID and make your own application. Follow the below steps exactly to get an idea of how to use gestures. 1. Make a gesture Library. 2. Add your own gestures into it. 3. Export it to your applications and… Read More »
This simple example makes your activity full screen by hiding the Title-Bar and gives more space for your application. ;
Hi all, In this tutorial I will show you how to get the information about all the applications installed in your ANDROID phone. What you have to do is create a ANDROID project inside the package pack.GetAllInstalledApplications amd name the java file “GetAllInstalledApplicationsExample.java” and copy the following code into it. Here the “getPackageManager().getInstalledPackages(0);” gets information… Read More »
Hi, If you are a game developer then you will always need a sequence of images to be animated & the best way to do it is via sprite sheet animations. But how can a sprite sheet be made? Suppose you have a sequence of images of any animations, how will you convert it into… Read More »
This is a very tricky part and initially i was also ran in to strange problems . Before uploading to android market you must do the following steps. Create a Certificate Signing your application apk Finally Zip align the signed apk First the application you created should be converted to apk format. For this if… Read More »
This code works for all API Levels. The below code works for API level 5 or Higher…..
This is a normal error when you import some project into eclipse. I will show you how to solve this First try cleaning the project from project->Clean. If this didn’t work, then try these Follow these steps 1. Go to Project » Properties » Java Build Path » Libraries and remove all except the “Android… Read More »
This is a normal error when you import some project into eclipse. I will show you how to solve this First try cleaning the project from project->Clean. If this didn’t work, then try these Follow these steps 1. Go to Project » Properties » Java Build Path » Libraries and remove all except the “Android… Read More »
Hi, Suppose you have a sprite sheet of the desired animation you want. But how will you use that sprite sheet animation in your program using cocos2D? That’s simple. See the following code first. Note : But how to make a sprite sheet? That topic can be found here. Making of sprite sheets from individual… Read More »
Hi, If you want to Pause an instance of NSSound which is being played in Cocoa Mac, use the following line of code. [yourSound pause]; ‘yourSound’ is the NSSound Object. Similarlyl for resuming NSSound in cocoa Mac [yourSound resume];
Hi, If you want to Pause an instance of NSSound which is being played in Cocoa Mac, use the following line of code. [yourSound pause]; ‘yourSound’ is the NSSound Object. Similarlyl for resuming NSSound in cocoa Mac [yourSound resume];
Hi, If you want to Pause an instance of NSSound which is being played in Cocoa Mac, use the following line of code. [yourSound pause]; ‘yourSound’ is the NSSound Object. Similarlyl for resuming NSSound in cocoa Mac [yourSound resume];
This is a really simple example illustrating gestures in ANDROID. You Know that everything you do with your hand inside the phone is a gesture like SingleTap, doubleTap etc. Here is a quick illustration of this. For this the activity must implement OnGestureListener. The GestureDetector detects the gestures. Let’s look at the example. The layout… Read More »
Hi all,In this tutorial I will show you how to open browser from an ANDROID application. This is done through intents. You know that intents are used to invoke other activities. So we here invoke the browser activity. The following code will open the default browser in your ANDROID phone. This is the manifest file… Read More »
Hi, In certain situations you may need to make visible or invisible certain sprites. But how to set a sprite visible and invisible in Cocos2D? See the following Cocos2D code. //Set the sprite’s visible value to 1 to make it visible yourSprite.visible = 1; //Set the sprite’s visible value to 0 to make it invisible… Read More »
Hi, There may arise some situations where you need to change the z value of a particular sprite during an action in Cocos2D. So how can you do that? See the following lines of code. CCSprite *sample= [CCSprite spriteWithFile:@”trialImage.png”]; sample.position = ccp(160,240); [self addChild:sample z:1]; /* Some of your actions goes here! */ [self reorderChild:sample… Read More »
For showing a number of animations sequentially in Cocos2D we use the CCSequence. CCSequence can accept a number of actions as parameters which will be executed in sequence , ie one after another. Here is a sample code to so this. /* This action will scale my_sprite */ id scaleTo = [CCScaleTo actionWithDuration:4 scale:1.5]; /*This… Read More »