Skip to content

Instantly share code, notes, and snippets.

Created August 25, 2014 13:35
Show Gist options
  • Star 29 You must be signed in to star a gist
  • Fork 14 You must be signed in to fork a gist
  • Save anonymous/d93f16ea8f5639615cce to your computer and use it in GitHub Desktop.
Save anonymous/d93f16ea8f5639615cce to your computer and use it in GitHub Desktop.
public void transformPage(View view, float position) {
int pageWidth = view.getWidth();
if (position < -1) { // [-Infinity,-1)
// This page is way off-screen to the left.
view.setAlpha(0);
} else if (position <= 1) { // [-1,1]
mBlur.setTranslationX((float) (-(1 - position) * 0.5 * pageWidth));
mBlurLabel.setTranslationX((float) (-(1 - position) * 0.5 * pageWidth));
mDim.setTranslationX((float) (-(1 - position) * pageWidth));
mDimLabel.setTranslationX((float) (-(1 - position) * pageWidth));
mCheck.setTranslationX((float) (-(1 - position) * 1.5 * pageWidth));
mDoneButton.setTranslationX((float) (-(1 - position) * 1.7 * pageWidth));
// The 0.5, 1.5, 1.7 values you see here are what makes the view move in a different speed.
// The bigger the number, the faster the view will translate.
// The result float is preceded by a minus because the views travel in the opposite direction of the movement.
mFirstColor.setTranslationX((position) * (pageWidth / 4));
mSecondColor.setTranslationX((position) * (pageWidth / 1));
mTint.setTranslationX((position) * (pageWidth / 2));
mDesaturate.setTranslationX((position) * (pageWidth / 1));
// This is another way to do it
} else { // (1,+Infinity]
// This page is way off-screen to the right.
view.setAlpha(0);
}
}
@sahilk01
Copy link

sahilk01 commented Jun 4, 2020

where to call this function?

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment