Ontouch event of OnTouchListener gets called twice in android

Question

I am creating an appliction in which a line gets generated between two points given at runtime.
The problem that I see is that onTouch() is called twice for

Answer 1

Sometimes dealing with many views under the same parent cause the onTouch called many times (if they're above each other) the solution for me was

onTouch{ ...
        if(event.getAction() == MotionEvent.ACTION_DOWN && isTouchEnabled()){
            enableTouch(false);
            //add your code here 
            
            //then enableTouch at the end 
            this.postDelayed(new Runnable() {
                @Override
                public void run() {
                    enableTouch(true);

                }
            }, 500);
      }
      add static variable touch
    private static boolean enabled = true;
      
    private void enableTouch(boolean enabled){
        this.enabled = enabled;
    }

    private boolean isTouchEnabled(){
        return enabled;
    }

Answer 2

touchListener will be called for every MotionEvent.ACTION_DOWN, MotionEvent.ACTION_UP, and MotionEvent.ACTION_MOVE . so if you want to execute code only once , ie MotionEvent.ACTION_DOWN then inside

onTouch()
 if (event.getAction() == MotionEvent.ACTION_DOWN) {
//your code 
}

Answer 3

Or just use onClickListener:

        myButton.setOnClickListener(new Button.OnClickListener() {
            @Override
            public void onClick(View v) {
                //do what you gotta do
            }
        });