package com.tiger.quicknews.wedget.viewimage.Animations;
import android.view.View;
import com.tiger.quicknews.R;
import com.nineoldandroids.animation.ObjectAnimator;
import com.nineoldandroids.animation.ValueAnimator;
import com.nineoldandroids.view.ViewHelper;
/**
* A demo class to show how to use
* {@link com.example.androidimageslider.wedget.viewimage.Animations.daimajia.slider.library.Animations.BaseAnimationInterface} to make
* your custom animation in
* {@link com.example.androidimageslider.wedget.viewimage.Tricks.daimajia.slider.library.Tricks.ViewPagerEx.PageTransformer}
* action.
*/
public class DescriptionAnimation implements BaseAnimationInterface {
@Override
public void onPrepareCurrentItemLeaveScreen(View current) {
View descriptionLayout = current.findViewById(R.id.description_layout);
if (descriptionLayout != null) {
current.findViewById(R.id.description_layout).setVisibility(View.INVISIBLE);
}
}
/**
* When next item is coming to show, let's hide the description layout.
*
* @param next
*/
@Override
public void onPrepareNextItemShowInScreen(View next) {
View descriptionLayout = next.findViewById(R.id.description_layout);
if (descriptionLayout != null) {
next.findViewById(R.id.description_layout).setVisibility(View.INVISIBLE);
}
}
@Override
public void onCurrentItemDisappear(View view) {
}
/**
* When next item show in ViewPagerEx, let's make an animation to show the
* description layout.
*
* @param view
*/
@Override
public void onNextItemAppear(View view) {
View descriptionLayout = view.findViewById(R.id.description_layout);
if (descriptionLayout != null) {
float layoutY = ViewHelper.getY(descriptionLayout);
view.findViewById(R.id.description_layout).setVisibility(View.VISIBLE);
ValueAnimator animator = ObjectAnimator.ofFloat(
descriptionLayout, "y", layoutY + descriptionLayout.getHeight(),
layoutY).setDuration(500);
animator.start();
}
}
}