androidanimationtexttextviewzebra-striping

Android Simple TextView Animation


I've got a TextView that I would like to count down (3...2...1...stuff happens).

To make it a little more interesting, I want each digit to start at full opacity, and fade out to transparency.

Is there a simple way of doing this?


Solution

  • Try something like this:

     private void countDown(final TextView tv, final int count) {
       if (count == 0) { 
         tv.setText(""); //Note: the TextView will be visible again here.
         return;
       } 
       tv.setText(String.valueOf(count));
       AlphaAnimation animation = new AlphaAnimation(1.0f, 0.0f);
       animation.setDuration(1000);
       animation.setAnimationListener(new AnimationListener() {
         public void onAnimationEnd(Animation anim) {
           countDown(tv, count - 1);
         }
         ... //implement the other two methods
       });
       tv.startAnimation(animation);
     }
    

    I just typed it out, so it might not compile as is.