public void navigateTo(int index, int position) {
this.prevPos = this.getPosition();
this.strategy.setPosition(position);
doNavigation(index);
}
public void navigateToPercentage(int percentage) {
if (spine == null) {
return;
}
double targetPoint = (double) percentage / 100d;
List<Double> percentages = this.spine.getRelativeSizes();
if (percentages == null || percentages.isEmpty()) {
return;
}
int index = 0;
double total = 0;
for (; total < targetPoint && index < percentages.size(); index++) {
total = total + percentages.get(index);
}
index--;
// Work-around for when we get multiple events.
if (index < 0 || index >= percentages.size()) {
return;
}
double partBefore = total - percentages.get(index);
double progressInPart = (targetPoint - partBefore) / percentages.get(index);
this.prevPos = this.getPosition();
this.strategy.setRelativePosition(progressInPart);
doNavigation(index);
}