gistfile1.txt

        final View container = findViewById(R.id.container);
        CoordinatorLayout.LayoutParams params = (CoordinatorLayout.LayoutParams) container.getLayoutParams();
        final CoordinatorLayout.Behavior<View> behavior = new CoordinatorLayout.Behavior<View>() {
            @Override
            public boolean layoutDependsOn(CoordinatorLayout parent, View child, View dependency) {
                return dependency.getId() == R.id.dismiss;
            }

            @Override
            public boolean onDependentViewChanged(CoordinatorLayout parent, View child, View dependency) {
                child.setX(dependency.getX());
                child.setAlpha(dependency.getAlpha());
                return true;
            }
        };
        params.setBehavior(behavior);