Add More Time Zones

app/src/main/java/dragosholban/com/timezoneconverter/MainActivity.java

@@ -5,7 +5,10 @@
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.SeekBar;
import android.widget.TextView;

@@ -18,6 +21,8 @@
    Button dateBtn;
    Button selectTimeZoneBtn;
    TimeZone userTimeZone;
    String[] selectedTimezones = new String[] {"Europe/Bucharest", "Europe/London", "Europe/Paris"};
    TimeZone selectedTimeZone;

    private static int CHOOSE_TIME_ZONE_REQUEST_CODE = 1;

@@ -55,6 +60,16 @@ public void onStopTrackingTouch(SeekBar seekBar) {
        dateBtn.setText(DateFormat.getDateInstance().format(localDate));

        selectTimeZoneBtn = findViewById(R.id.timeZoneButton);

        ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_activated_1, android.R.id.text1, selectedTimezones);
        ListView listView = findViewById(R.id.listView);
        listView.setAdapter(adapter);
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
                selectedTimeZone = TimeZone.getTimeZone(selectedTimezones[i]);
            }
        });
    }

    public void showDatePicker(View view) {