public void displayInfo(String[] data) { TextView body = (TextView) findViewById(R.id.body); TextView title = (TextView) findViewById(R.id.title); TextView description = (TextView) findViewById(R.id.description); TextView school = (TextView) findViewById(R.id.school); TextView dep = (TextView) findViewById(R.id.fixed); CollapsingToolbarLayout toolbar = (CollapsingToolbarLayout) findViewById(R.id.toolbar_layout); switch (data[0]) { case "8": case "9": case "11": case "14": school.setText("School of Engineering"); break; case "6": case "12": case "34": case "7": school.setText("School of Science"); break; case "19": school.setText("Engineering/Science"); break; case "3": school.setText("Library"); break; case "1": school.setText("Central Perk"); toolbar.setBackgroundResource(R.drawable.square); break; case "2": school.setText("Administration"); toolbar.setBackgroundResource(R.drawable.ku); break; case "35": dep.setText("Nepal"); school.setText("Department of Information Technology"); toolbar.setBackgroundResource(R.drawable.itpark); break; default: school.setText("Blocks"); break; } body.setText(data[3]); title.setText(data[1]); if (data[2] != null) { description.setText(data[2]); } }