Time for action - writing a custom animation

Writing a custom animation is very simple, but not entirely intuitive. For this section you'll define a custom animation which will increase the size of its animated widget by a factor of five, while at the same time fading it until its entirely transparent.

  1. Create a new XML resource file named res/anim/vanish.xml and open it in an editor or IDE.
  2. The root element of the animation file will be an animation set element:
    <set xmlns:android="http://schemas.android.com/apk/res/android">
    
  3. In the<set> element, declare an element to define the scale up animation:
    <scale />
    
  4. The duration of the scale up animation needs to be set as 300 milliseconds:
    android:duration="300"
    
  5. The animation starts to scale from the original ...

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