是否处于惯性滑动状态

/**

• 是否处于惯性滑动状态

*/

private boolean isFlinging = false;

public WhlBehavior() {}

public WhlBehavior(Context context, AttributeSet attrs) {

super(context, attrs);

}

@Override

public void onStopNestedScroll(CoordinatorLayout coordinatorLayout, AppBarLayout abl, View target, int type) {

//如果不是惯性滑动,让他可以执行紧贴操作

if (!isFlinging) {

super.onStopNestedScroll(coordinatorLayout, abl, target, type);

}

}

@Override

public void onNestedPreScroll(CoordinatorLayout coordinatorLayout, AppBarLayout child, View target, int dx, int dy, int[] consumed, int type) {

super.onNestedPreScroll(coordinatorLayout, child, target, dx, dy, consumed, type);

//type==1时处于非惯性滑动

if (type == 1) {

isFlinging = false;

}

}

@Override

public boolean onNestedFling(@NonNull CoordinatorLayout coordinatorLayout, @NonNull AppBarLayout child, @NonNull View target, float velocityX, float velocityY, boolean consumed) {

//惯性滑动的时候设置为true

isFlinging = true;

return super.onNestedFling(coordinatorLayout, child, target, velocityX, velocityY, consumed);

}