Question

I’ve two ImageButtons in my layout, “plus” and “minus”.
I attach a click listener to the “plus” button with a simple toast message in the click function, and it works.

    ImageButton btplus = (ImageButton)findViewById(R.id.btplus);        
    btplus.setOnClickListener( new ImageButton.OnClickListener(){
        @Override
        public void onClick(View v) {
            Toast.makeText(getApplicationContext(), "+", Toast.LENGTH_SHORT);
        }
    });

Then i attach a second click listener to the minus ImageButton…

    ImageButton btminus = (ImageButton)findViewById(R.id.btminus);
    btminus.setOnClickListener( new ImageButton.OnClickListener(){
        @Override
        public void onClick(View v) {
            Toast.makeText(getApplicationContext(), "-", Toast.LENGTH_SHORT);
        }
    });

…and no more button click works! The “plus” click too stop working.

I’ve seen a lot of examples on this theme, but i can’t see any difference between them (working) and mine.

Answer 1

 ImageButton btplus = (ImageButton)findViewById(R.id.btplus);        
    btplus.setOnClickListener( new View.OnClickListener(){
        @Override
        public void onClick(View v) {
            Toast.makeText(getApplicationContext(), "+", Toast.LENGTH_SHORT).show();
        }
    });