Slow down internet for iOS simulator

You can set the network to slow characteristic by testing on devices. Go to Settings -> Developer Settings -> Network Link Conditioner -> Enable. This is for iPhone/iPad running iOS 6 Network Link Conditioner is also available for the Mac in “Additional Tools for Xcode” for testing in the Simulator. Note: It appears after device … Read more

Is there an way to make an invisible UIButton that will still “be there” and catch touch events for my UIImageView?

You should be able to set the button’s ‘Type’ to Custom in Interface Builder, and it will not display any text or graphical elements over the UIImageView. This way, you don’t need to adjust the alpha. If the view is built from code, use: button = [UIButton buttonWithType:UIButtonTypeCustom];

Calculate new coordinate x meters and y degree away from one coordinate

Unfortunately, there’s no such function provided in the API, so you’ll have to write your own. This site gives several calculations involving latitude/longitude and sample JavaScript code. Specifically, the section titled “Destination point given distance and bearing from start point” shows how to calculate what you’re asking. The JavaScript code is at the bottom of … Read more

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