private void populatePositionsSpinner() {
JSONArray positions = database.getPositions();
ArrayList positionsSpinnerFormat = new ArrayList();
JSONObject positionElement;
for (int i = 0; i < positions.length(); i++) {
try {
positionElement = (JSONObject) positions.get(i);
positionsSpinnerFormat.add(positionElement.get("name"));
} catch (JSONException e) {
e.printStackTrace();
}
}
positionSpinnerAdapter =
new ArrayAdapter<String>(
this, android.R.layout.simple_spinner_dropdown_item, positionsSpinnerFormat);
oPositionSpinner.setAdapter(positionSpinnerAdapter);
}