Once Apple introduce the in-app-purchase, purchase digital goods inside app becomes one acceptable way for users accessing videos, audios, eBooks, virtual goods easily. Therefore, in-website-purchase should be the correct way for user to purchase digital goods inside Website. PayPal released a new payment way which enable us to purchase digital goods
The first time I was using the Paypal is 4 years ago. At that time, my friend and I want to create a social site using PHP and integrate the Paypal as our main payment gateway. Then, in the second time, I implemented the Paypal in my CMS site, which is an simple donation button. I think it is time to use Paypal again, because it provide a new payment way, PayPal for Digital Goods.
Continue reading »
Working on a real project is the best way to learn a new programing language. In this tutorial, I will create a RSS Reader application for android step by step. This android application will read rss feed from the website, parse the xml and show all the post in a ListView. So we will cover following android development knowledge:
- Android User Interface Program: Android ListView and Adapter
- Android Asynchronous HTTP request
- XML Parser in Android
In this android app example, I will implement a ListView which can show all the post entities from Rss feed. For each list cell view, there are three components, ImageView which is for post featured image, TextView which is for post title, and another TextView which will show post date.
ListView and ArrayAdapter with Data Array
Continue reading »
There are thousands of questions about how to use flash animation in IOS apps because the iphone apps and ipad apps don’t support the flash animation files, or swf format file. Now, I have a solution for it. We can convert the flash animation into png files and load the png sequence in iphone, ipad apps to simulate the animation.
In Adobe Flash CS6, there are two new features to export MovieClip animation to a set of png sequence files or png sprite sheet. In this IOS programming tutorial, I will show you an example about how to export the MovieClip to png sequence files and animate png files in IOS apps.
Continue reading »
Apple provides three styles of Storyboard Segue, push segue, modal segue and custom segue. Push segue is a predefined segue with a horizontal sliding animation. To make it works, we have to integrate our view controller with UINavigationController. Sometimes, we don’t want to have a UINavigation Bar, but want to use push segue between viewcontroller transition. We may find that it won’t work. Alternatively, we can use modal segue instead. In modal style, there are four transitions including Cover Vertical, Flip Horizontal, Cross Dissolve and Partial Curl. However, there is no horizontal sliding animation effect. Hence, we have to use custom style segue. Here is a video to show you how we can create a horizontal sliding animation transition by custom segue.
In the post, iPhone Rss Reader App IOS Tutorial, I gave an example to show you how to create a RSS Reader App for iPhone. In that tutorial, I am using the data source from WordPress powered website. One of my friend, Mohamed, wonder if it can be modified to get RSS Feed from Twitter. I think it is necessary to create this iPhone App tutorial to show how to migrate the iPhone RSS Read app example to read the twitter rss feed.
Continue reading »