codes for detecting mobile double tap and hold

For double tap: http://answers.unity3d.com/questions/369230/how-to-detect-double-tap-in-android.html

For hold:

 private float holdTime = 0.8f; //or whatever
 private float acumTime = 0;
 
 void Update()
 {
    if(Input.touchCount > 0)
    {
        acumTime += Input.GetTouch(0).deltaTime;
 
        if(acumTime >= holdTime)
        {
            //Long tap
        }
 
        if(Input.GetTouch(0).phase == TouchPhase.Ended)) 
        {
            acumTime = 0; 
        }
    }
 }