package fr.tvbarthel.apps.simpleweatherforcast.fragments;

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.util.Log;
import android.widget.ArrayAdapter;

import java.security.InvalidParameterException;


public class TemperatureUnitPickerDialogFragment extends DialogFragment {

	private static final String BUNDLE_TEMPERATURE_UNIT_NAMES = "BundleTemperatureUnitNames";
	private static final String BUNDLE_TEMPERATURE_UNIT_SYMBOLS = "BundleTemperatureUnitSymbols";

	public static TemperatureUnitPickerDialogFragment newInstance(String[] temperatureUnitNames, String[] temperatureUnitSymbols) {
		final TemperatureUnitPickerDialogFragment instance = new TemperatureUnitPickerDialogFragment();
		final Bundle arguments = new Bundle();
		arguments.putStringArray(BUNDLE_TEMPERATURE_UNIT_NAMES, temperatureUnitNames);
		arguments.putStringArray(BUNDLE_TEMPERATURE_UNIT_SYMBOLS, temperatureUnitSymbols);
		instance.setArguments(arguments);
		return instance;
	}


	private TemperatureUnitPickerDialogFragment() {
	}

	@Override
	public Dialog onCreateDialog(Bundle savedInstanceState) {
		final Bundle arguments = getArguments();

		final String[] temperatureUnitNames = arguments.getStringArray(BUNDLE_TEMPERATURE_UNIT_NAMES);
		final String[] temperatureUnitSymbols = arguments.getStringArray(BUNDLE_TEMPERATURE_UNIT_SYMBOLS);

		final ArrayAdapter<String> temperatureUnitNameAdapter = new ArrayAdapter<String>(getActivity(),
				android.R.layout.simple_expandable_list_item_1, temperatureUnitNames);

		final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
		//TODO don't use a hard coded string
		builder.setTitle("Select a unit");
		builder.setAdapter(temperatureUnitNameAdapter, new DialogInterface.OnClickListener() {
			@Override
			public void onClick(DialogInterface dialog, int which) {
				Log.d("argonne",  temperatureUnitNames[which] + " -> " + temperatureUnitSymbols[which]);
				//TODO store the temperature unit chosen
			}
		});
		builder.setCancelable(true);
		//TODO don't use a hard coded string
		builder.setNegativeButton("Cancel", null);
		return builder.create();
	}
}

Add a dialog fragment skeleton for the temperature unit selection
Add a dialog fragment skeleton for the temperature unit selection
