How to prevent double code running by clicking twice fast to a button in Android

Question

If i click fast to my button in my Android app, it seems that code behind it runs twice. If i click my menu button twice the activity that has to be launch onclick just star

Answer 1

 Button.setOnClickListener(new View.OnClickListener {  
   @Override
   public void onClick(final View v) {
        v.setEnabled(false);
        v.postDelayed(new Runnable() {
         @Override
         public void run() {
            v.setEnabled(true);
         }
        },150); //150 is in milliseconds
    }
 });