private void populateParametersUI(String interpolatorName, LinearLayout parent) {
        parent.removeAllViews();
        try {
            switch (interpolatorName) {
                case "Quadratic Path":
                    createQuadraticPathInterpolator(parent);
                    break;
                case "Cubic Path":
                    createCubicPathInterpolator(parent);
                    break;
                case "AccelerateDecelerate":
                    mVisualizer.setInterpolator(new AccelerateDecelerateInterpolator());
                    break;
                case "Linear":
                    mVisualizer.setInterpolator(new LinearInterpolator());
                    break;
                case "Bounce":
                    mVisualizer.setInterpolator(new BounceInterpolator());
                    break;
                case "Accelerate":
                    Constructor<AccelerateInterpolator> decelConstructor =
                            AccelerateInterpolator.class.getConstructor(float.class);
                    createParamaterizedInterpolator(parent, decelConstructor, "Factor", 1, 5, 1);
                    break;
                case "Decelerate":
                    Constructor<DecelerateInterpolator> accelConstructor =
                            DecelerateInterpolator.class.getConstructor(float.class);
                    createParamaterizedInterpolator(parent, accelConstructor, "Factor", 1, 5, 1);
                    break;
                case "Overshoot":
                    Constructor<OvershootInterpolator> overshootConstructor =
                            OvershootInterpolator.class.getConstructor(float.class);
                    createParamaterizedInterpolator(parent, overshootConstructor, "Tension", 1, 5, 1);
                    break;
                case "Anticipate":
                    Constructor<AnticipateInterpolator> anticipateConstructor =
                            AnticipateInterpolator.class.getConstructor(float.class);
                    createParamaterizedInterpolator(parent, anticipateConstructor, "Tension", 1, 5, 1);
                    break;
            }
        } catch (NoSuchMethodException e) {
            Log.e("InterpolatorPlayground", "Error constructing interpolator: " + e);
        }
    }
This method is called to populate the UI according to which interpolator was
selected.
AnimationsInterpolatorPlayground/app/src/main/java/com/example/android/interpolatorplayground/MainActivity.java