/** * Handles what to do when the add button is clicked. Namely adding the selected mineral to the * sector and updating the lists after. */ public void onClick(View v) { Mineral mineral = new Mineral(); String mineralName = (String) ((Spinner) findViewById(R.id.mineralList)).getSelectedItem(); if (!mineralName.equals(emptyMineralString)) { mineral.setMineral(mineralName); data.addMineralToSector(currentSector, mineral); setMineralLists(currentSector); } }