Easy custom interpolators for android.

BezInterpolator.java

public class BezInterpolator {

    private static BezInterpolator bezInterpolator;

    //Control points to create the cubic bezier curve.
    private float[] PRINCIPLE_DEFAULT_EASE = {(float)0.25, (float)0.1, (float)0.25, (float)1.0};
    private float[] EASE_OUT = {(float)0, (float)0, (float)0.58, (float)1.0};
    private float[] EASE_IN = {(float)0.42, (float)0, (float)1.0, (float)1.0};

    public static BezInterpolator getInstance(){
        if(bezInterpolator == null){
            bezInterpolator = new BezInterpolator();
        }
        return bezInterpolator;
    }

    public  Interpolator getDefaultInterpolator(){
        return PathInterpolatorCompat.create(PRINCIPLE_DEFAULT_EASE[0],
                PRINCIPLE_DEFAULT_EASE[1],
                PRINCIPLE_DEFAULT_EASE[2],
                PRINCIPLE_DEFAULT_EASE[3]);
    }

    public  Interpolator getEaseOutInterpolator(){
        return PathInterpolatorCompat.create(EASE_OUT[0],
                EASE_OUT[1],
                EASE_OUT[2],
                EASE_OUT[3]);
    }

    public  Interpolator getEaseInInterpolator(){
        return PathInterpolatorCompat.create(EASE_IN[0],
                EASE_IN[1],
                EASE_IN[2],
                EASE_IN[3]);
    }
}