private void hideFb() {
if (mScrollToTopFb.getVisibility() != View.VISIBLE) {
return;
}
mScrollToTopFb.startAnimation(mFbOutAnim);
mScrollToTopFb.setVisibility(View.INVISIBLE);
}
private void showFb() {
if (mScrollToTopFb.getVisibility() == View.VISIBLE) {
return;
}
mScrollToTopFb.setVisibility(View.VISIBLE);
mScrollToTopFb.startAnimation(mFbInAnim);
}
public void hideFab() {
if (mFab.getVisibility() == View.VISIBLE) {
mFab.animate()
.scaleX(0.65f)
.scaleY(0.65f)
.setDuration(100)
.setListener(
new AnimationFinishedListener() {
@Override
public void onAnimationFinished() {
mFab.setVisibility(View.GONE);
}
});
mFab.setImageDrawable(
new AnimatingDrawable.Builder(getBaseContext())
.frames(
R.drawable.fab_close_1,
R.drawable.fab_close_2,
R.drawable.fab_close_3,
R.drawable.fab_close_4,
R.drawable.fab_close_5)
.build());
((Animatable) mFab.getDrawable()).start();
}
}
@Override
public void onNestedScroll(
CoordinatorLayout coordinatorLayout,
FloatingActionButton child,
View target,
int dxConsumed,
int dyConsumed,
int dxUnconsumed,
int dyUnconsumed) {
super.onNestedScroll(
coordinatorLayout, child, target, dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed);
if (dyConsumed > 0 && child.getVisibility() == View.VISIBLE) {
child.hide();
} else if (dyConsumed < 0 && child.getVisibility() != View.VISIBLE) {
child.show();
}
}
@Override
public void onNestedScroll(
CoordinatorLayout coordinatorLayout,
FloatingActionButton child,
View target,
int dxConsumed,
int dyConsumed,
int dxUnconsumed,
int dyUnconsumed) {
super.onNestedScroll(
coordinatorLayout, child, target, dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed);
if (dyConsumed > 0 && !this.mIsAnimatingOut && child.getVisibility() == View.VISIBLE) {
animateOut(child);
} else if (dyConsumed < 0 && child.getVisibility() != View.VISIBLE) {
animateIn(child);
}
}
@Override
public void onNestedScroll(
final CoordinatorLayout coordinatorLayout,
final FloatingActionButton child,
final View target,
final int dxConsumed,
final int dyConsumed,
final int dxUnconsumed,
final int dyUnconsumed) {
super.onNestedScroll(
coordinatorLayout, child, target, dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed);
if (dyConsumed > 0 && !this.mIsAnimatingOut && child.getVisibility() == View.VISIBLE) {
// User scrolled down and the FAB is currently visible -> hide the FAB
animateOut(child);
} else if (dyConsumed < 0 && child.getVisibility() != View.VISIBLE) {
// User scrolled up and the FAB is currently not visible -> show the FAB
animateIn(child);
}
}
@Override
public void onNestedScroll(
CoordinatorLayout coordinatorLayout,
FloatingActionButton child,
View target,
int dxConsumed,
int dyConsumed,
int dxUnconsumed,
int dyUnconsumed) {
super.onNestedScroll(
coordinatorLayout, child, target, dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed);
boolean canAnimation = true;
if (child instanceof BetterFloatingActionButton) {
canAnimation = ((BetterFloatingActionButton) child).canAnimation();
}
if (!canAnimation) return;
if (dyConsumed > 0 && !this.mIsAnimatingOut && child.getVisibility() == View.VISIBLE) {
animateOut(child);
} else if (dyConsumed < 0 && child.getVisibility() != View.VISIBLE) {
animateIn(child);
}
}