The last few weeks a friend and I have been working on an app to help people market their brand through twitter. We called the app Marketie and it’s available in the AppStore right now. I Hope you find it useful. What is it about? Marketie allows you to find people that might be interested [...]
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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.
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.
Alerts are those blue windows that appear in the middle of the screen when your device needs to tell you something, in theory, important. They are very common in iOS and very simple to implement so you should learn how to use them in your iPhone Apps.
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.