package ml.puredark.hviewer.ui.customs;
import android.support.v7.graphics.drawable.DrawerArrowDrawable;
import com.nineoldandroids.animation.Animator;
import com.nineoldandroids.animation.ValueAnimator;
/**
* Created by PureDark on 2016/8/12.
*/
public class AnimationOnActivity {
public static void start(DrawerArrowDrawable btnReturnIcon, Animator.AnimatorListener listener) {
ValueAnimator arrow = getArrowAnimator(btnReturnIcon);
arrow.addListener(listener);
arrow.start();
}
public static void reverse(DrawerArrowDrawable btnReturnIcon, Animator.AnimatorListener listener) {
ValueAnimator arrow = getArrowAnimator(btnReturnIcon);
arrow.addListener(listener);
arrow.reverse();
}
static ValueAnimator getArrowAnimator(final DrawerArrowDrawable btnReturnIcon) {
float start = 0f;
float end = 1f;
ValueAnimator animator = ValueAnimator.ofFloat(start, end);
animator.setDuration(300);
animator.addUpdateListener(animation -> btnReturnIcon.setProgress((Float) animation.getAnimatedValue()));
return animator;
}
}