QuantLib uses random numbers in many places, such as in Pricing Engines to calculate the NPV of an instrument, in the Brownian Generator that is used in market-model simulations and in the Monte Carlo Model for path samples. In financial…
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In a previous post I introduced you to the different types of animation systems that Android provides before explaining the View Animation System. The View Animation System allowed you to simply animate changes in the appearance of a View element….
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In this series of posts I will develop a more practical example to show where transitions can be useful. In this post I will start with the initial layout and design of a user interface and create the default transitions…
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In Android KitKat (API level 19) Google introduces a new system for animating layout changes. Before KitKat the only way to animate layout changes in XML was to set the flag animateLayoutChange on a ViewGroup. This did not give you…
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When reading though the documentation for View Animations you might stumble across the three flags fillBefore, fillAfter and fillEnabled. You can set the flags in the XML resource of an animation, something like this. <scale android:duration=”300″ android:fillAfter=”true” android:fillBefore=”false” android:fillEnabled=”true” android:fromXScale=”0.0″…
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Until now we have avoided talking about startOffset, a property that allows you to delay the start of an animation by a specified number of milliseconds. You can do this in the XML resource file of your animation. <scale android:duration=”300″…
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Today I will show you how to customise and even create your own interpolators. As discussed previously, the View Animation system provides a number of ready made interpolators. But sometimes you have your own requirements and you just want that…
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Previously I showed you how to create View animations using XML resources. I just wrote a few lines of actual Java code that was only needed to start the animation. In this post I will show you how you can…
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In the last post I promised to continue the animations tutorial with telling you how customise your animation using interpolators and attributes that are common to all ViewAnimation objects. In this post I will be using a simple animation of…
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In the last post I introduced the Android’s simple View Animation system and implemented a basic animation. In this post I will tell you what properties you can animate with the View Animation systems and how to combine multiple animations….
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