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The way we construct the user interface in Android is pretty interesting. You can construct the UI widgets programmatically. But Android presents a decent way to construct the UI which is XML-based layouts. The layout of an activity can be constructed by a XML file. These files are considered resources as they reside in res/layout folder. […]
Welcome to the first Android development articles on Mobile Orchard. We are going to start a series of articles to introduce you to the world of Android development. We are going to start off with the Android platform and the necessary tools to start Android development. Android Software Stack: This picture describes the Android software stack […]
It might not look like so, but your iPhone does have a file system, the thing is that is not the kind of file system that we are used to. To save your data you will only have a directory and you won’t be able to choose it.
Yes, your iPhone has an accelerometer. I know this is not a physics class but the best way to define it is saying that it is a device to detect the magnitude and direction of acceleration. iDevices uses it to detect rotation, shake gestures, among others.
Now that we know how to create a table views, we are going to use that knowledge to create a new project using a navigation controller to see a more detailed view of the tittle in the cell of the table view.
Table views are probably the most common control in iPhone apps. If you have used the Messages app, Mail app, Twitter app, between many others, then you know what i’m talking about. You may have seen them with just text, with a tittle and a description, with an image but they are all table views.
Memory is probably the most boring part of iPhone development, but also one of the most important. Depending on the iPhone you have you will have available more or less than 256MB’s (iPhone 3GS), where part of that is shared with the OS, leaving you less than 128MB’s, so you have to be very careful managing memory or Apple may reject your app.
Learn how to make iPhone/iPod-Touch applications using the iPhone SDK. We’ll make many applications to illustrate basic iPhone development workflows and coding techniques that are fundamental for your formation as an iPhone Developer.
This article also appears in Zetetic’s blog. Zetetic’s the company behind the transparent SQLite encryption OSS project SQLCipher and the iPhone password vault Strip. Recently, I wanted to implement an interface where a user holds down on a UIView class or subclass to reveal a copy menu. Basically, I didn’t want to have to present […]