Sending your application to background when backbutton is pressed in ANDROID…… OR Detecting whether back Button has been pressed in your ANDROID phone or not.
This code works for all API Levels. The below code works for API level 5 or Higher…..
Category Archives: ANDROID
"Conversion to Dalvik format failed with error 1" Error in ANDROID / Eclipse.
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 »
“Conversion to Dalvik format failed with error 1” Error in ANDROID / Eclipse.
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 »
Cocos2D Sprite Sheet Animation
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 »
Pausing & Resuming Sound in Cocoa Mac
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];
Pausing & Resuming Sound in Cocoa Mac
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];
Pausing & Resuming Sound in Cocoa Mac
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];
Using Gestures in ANDROID,A Simple example.
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 »
How to open browser in an ANDROID application? How to open a URL from an ANDROID application?
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 »
How to make a sprite visible and invisible in Cocos2D ?
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 »
How to change the Z value of a Sprite during an action in Cocos2D ?
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 »
How to show more than one animation in sequence in Cocos2D?
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 »
Android listView with icons
In this post, we will have a list whose rows are made up of image, Here we just supply data to the adapter and helping the adapter to create a View objects for each row The output will be For this first create a xml file to hold the listview The next objective is to… Read More »
How to install a new skin for your ANDROID Emulator?
Hi all.. In this tutorial I will lead you to show how to install a new skin for your ANDROID Emulator. The steps are really easy 1. Download the skin from here( http://www.android.encke.net/) 2.Extract it and copy to android/platforms/the_version_of_emulator_you_want_to_skin/skins 3. Now from here you have two options for starting the emulator with the new skin… Read More »
How to add files like images inside your emulator in ANDROID?
In many of our android applications we need images and other files to be inside your emulator, such as images in the gallery. But unlike iPhone we cannot simply drag and drop files inside the emulator., because iPhone’s is simply a simulator. It justs creates an envoronment for testing. But ANDROID mimics the real phone.… Read More »
Using NotificationManager in ANDROID for showing notification, sample code.
Multiple Notifications are a unique feature in ANDROID phones. This tutorial will show you how to create notification from your application. ANDROID uses the NotificationManager class to create the notification. Let’s look at the code. Explanation. mManager.notify(APP_ID, notification); This line in the code sends the notification where notification is the object of the Notification class… Read More »
Changing the image of the sprite in cocos2D ?
Hi, You all know how to add an Image to a sprite. But what if we need to change the image of the same sprite? How to do that? Use the following line of code to change the image of a sprite which already initialized with a sprite. [sampleSprite setTexture:[[CCTextureCache sharedTextureCache] addImage:@”newImage.png”]]; where sampleSprite is… Read More »
How to Flip Sprite in Cocos2D ?
Hi, On certain occasions you may need to flip the sprite you are using in your application. There are two ways to flip a sprite. Let’s see how this can be done along X-direction Method:1 mySprite.flipX = 180; where mySprite is the name of your sprite you want to flip. Method:2 CCFlipX *flipOnX = [CCFlipX… Read More »
How to stop the sprite sheet animation in cocos2D ?
Hi, In one of our previous post we have discussed how to animate sprite sheet in cocos2D. In some cases you may need to stop the sprite sheet animation abruptly. How to do that? Here the way to do that. Use the following. [spriteName stopAction:spriteNameAction]; where spriteName is the name of your sprite & spriteNameAction… Read More »
How to create OptionsMenu in ANDROID?, a simple example……
This is a simple example of creating options Menu in ANDROID. This menu can be seen by clicking on the “Menu Button” in ANDROID. Check out this example. The main.xml for the above code is
Context menu in android
What is context menu? Where it is used? How it is used? I will cover all these questions… Context Menu A context menu is conceptually similar to the menu displayed when the user performs a “right-click” on a PC. You should use a context menu to provide the user access to actions that pertain to… Read More »
Crop an Image in ANDROID.
Cropping an image in ANDROID programmatically has always been a problem for ANDROID developers. So Here I am putting a sample code to demonstrate this. For cropping an image in ANDROID we need a source bitmap which is our image itself, the other one is the target bitmap which we have to set the size… Read More »
Sprite Sheet Animation in Cocos2D – An Example
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. //Initializing a CCSpriteBatchNode with our sprite sheet image CCSpriteBatchNode *newSpriteSheet = [CCSpriteBatchNode batchNodeWithFile:@”jumpingOver.png”]; //Adding the spriteSheet to the layer & setting… Read More »
How to create a new Virtual SD card in emulator in ANDROID? How to start emulator with the created SDCard?
OK The first question is 1. How to create a new Virtual SD card in emulator in ANDROID? Many times we may have not enough memory for our application to run on the emulator. So what we do? One method is to create new virtual device with more memory. Another method is to extend the… Read More »
How to create a scrolling ListView in android?
ListView is like a tableView in iPhone or iOS . In this example i will show you how to add a String Array in to the ListView and also make the listView Scrollable. First the xml file . Here the line android:scrollbars=”vertical” will make the scrolling vertically Now the java file The screen will be… Read More »