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Code Pull Requests Releases Activity

show fab after delay when scroll is stopped

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This commit is contained in:
eleith 2017-04-12 19:36:00 -07:00
parent 5bd10c4a1a
commit 55f36de34b
1 changed files with 20 additions and 0 deletions
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20
app/src/main/java/com/eleith/calchoochoo/utils/FabScrollingBehavior.java
View File

@ -12,11 +12,28 @@ import android.view.animation.LinearInterpolator;
public class FabScrollingBehavior extends CoordinatorLayout.Behavior<FloatingActionButton> {
private static final String TAG = "ScrollingFABBehavior";
Handler mHandler;
public FabScrollingBehavior(Context context, AttributeSet attrs) {
super();
}
@Override
public void onStopNestedScroll(CoordinatorLayout coordinatorLayout, final FloatingActionButton child, View target) {
super.onStopNestedScroll(coordinatorLayout, child, target);
if (mHandler == null)
mHandler = new Handler();
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
child.animate().translationY(0).setInterpolator(new LinearInterpolator()).start();
}
},1500);
}
@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);
@ -32,6 +49,9 @@ public class FabScrollingBehavior extends CoordinatorLayout.Behavior<FloatingAct
@Override
public boolean onStartNestedScroll(CoordinatorLayout coordinatorLayout, FloatingActionButton child, View directTargetChild, View target, int nestedScrollAxes) {
if(mHandler!=null) {
mHandler.removeMessages(0);
}
return nestedScrollAxes == ViewCompat.SCROLL_AXIS_VERTICAL;
}
}