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Archive for 'Background'

Background Execution in Xcode

Tuesday, August 28th, 2012 at 12:40 pm

It is possible to execute a method on background in Xcode. The secret of this relies in the way that method is called. This can be implemented using the following line of code.

[self performSelectorInBackground:@selector(myBackgroundMethod:) withObject:@"my string param"];

1	[self performSelectorInBackground:@selector(myBackgroundMethod:) withObject:@"my string param"];

In the above line of code, the method, myBackgroundMethod with one string parameter is executed in background with the string parameter value as @”my string param”.

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clearColor Not working in UITableView Background

Thursday, April 5th, 2012 at 9:48 am

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Consider a UITableView object, myTableView.

// To make the background of the tableview transparent, use the following code :
myTableView.backgroundColor = [UIColor clearColor];

1 2	// To make the background of the tableview transparent, use the following code : myTableView.backgroundColor = [UIColor clearColor];

(or)

[myTableView setBackgroundColor:[UIColor clearColor]];
// The above code will make the color of the tableview's background transparent.

1 2	[myTableView setBackgroundColor:[UIColor clearColor]]; // The above code will make the color of the tableview's background transparent.

//Now sometimes, this code will not do the trick. In such cases, what you have to do is use the following line of code along with the above code.
myTableView.backgroundView = nil;

1 2	//Now sometimes, this code will not do the trick. In such cases, what you have to do is use the following line of code along with the above code. myTableView.backgroundView = nil;

(or)

[myTableView setBackgroundView:nil];
// The above code will make the background view to nil.

1 2	[myTableView setBackgroundView:nil]; // The above code will make the background view to nil.

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Playing Audio in Corona

Monday, August 29th, 2011 at 3:50 pm

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For playing audio in Corona,

background = audio.loadStream("song.mp3")

backgroundMusic = audio.play( background, { channel=2, loops=-1, fadein=5000 }  )

background = audio.loadStream("song.mp3")

backgroundMusic = audio.play( background, { channel=2, loops=-1, fadein=5000 } )

Adding infinite background

Friday, July 29th, 2011 at 2:51 pm

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for (int i = 0; i &lt; numsprite; i++)
{
	NSString* frameName = [NSString stringWithFormat:@"background%i.png", i];
	CCSprite* sprite = [CCSprite spriteWithSpriteFrameName:frameName];

	// Position the new sprite one screen width to the right.....
	sprite.position = CGPointMake(screenSize.width + screenSize.width / 2 screenSize.height / 2);

	// Flip the sprite so that it aligns perfectly with its neighbour.....
	sprite.flipX = YES;

	// Add the sprite using the same tag offset by numStripes.....
	[spriteBatch addChild:sprite z:i tag:i + numsprite];
}

for (int i = 0; i < numsprite; i++)

{

NSString* frameName = [NSString stringWithFormat:@"background%i.png", i];

CCSprite* sprite = [CCSprite spriteWithSpriteFrameName:frameName];

// Position the new sprite one screen width to the right.....

sprite.position = CGPointMake(screenSize.width + screenSize.width / 2 screenSize.height / 2);

// Flip the sprite so that it aligns perfectly with its neighbour.....

sprite.flipX = YES;

// Add the sprite using the same tag offset by numStripes.....

[spriteBatch addChild:sprite z:i tag:i + numsprite];

}

Changing the back color while list view scrolling in android

Tuesday, May 10th, 2011 at 1:37 pm

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Most of the android developers faced this issue. While scrolling the list view, the background of the list view becomes black. To fix this issue you have to include following in the list view:

android:cacheColorHint="#E3E3E3"

1	android:cacheColorHint="#E3E3E3"

Where #E3E3E3 is the color code that you can change according to your requirement.

That’s it.

Display the Network Activity Status Indicator

Wednesday, March 30th, 2011 at 8:37 am

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This is the rotating icon displayed on the iPhone status bar in the upper left to indicate there is background network activity taking place.

UIApplication* app = [UIApplication sharedApplication]; 
app.networkActivityIndicatorVisible = YES; // to stop it, set this to NO

1 2	UIApplication* app = [UIApplication sharedApplication]; app.networkActivityIndicatorVisible = YES; // to stop it, set this to NO

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Setting Background color to a layer in cocos2d

Tuesday, January 25th, 2011 at 8:59 am

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Description :

// Let’s Set background color to magenta.

 CCColorLayer* colorLayer = [CCColorLayer layerWithColor:ccc4(255, 0, 255, 255)]; 
[self addChild:colorLayer z:0];

1 2	CCColorLayer* colorLayer = [CCColorLayer layerWithColor:ccc4(255, 0, 255, 255)]; [self addChild:colorLayer z:0];

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Archive for 'Background'

Background Execution in Xcode

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clearColor Not working in UITableView Background

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Playing Audio in Corona

Adding infinite background

Changing the back color while list view scrolling in android

Display the Network Activity Status Indicator

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Setting Background color to a layer in cocos2d

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