Mobile_Application_Development_project/DailyHelper/app/src/main/java/at/fhj/swd/dailyhelper/ui/fragemnt/HomeFragment.java

package at.fhj.swd.dailyhelper.ui.fragemnt;

import android.content.Context;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.CardView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import at.fhj.swd.dailyhelper.R;
import at.fhj.swd.dailyhelper.adapter.WeatherListAdapter;
import at.fhj.swd.dailyhelper.db.room.WeatherDB;
import at.fhj.swd.dailyhelper.model.Weather;
import at.fhj.swd.dailyhelper.network.DownloadImageTask;
import at.fhj.swd.dailyhelper.service.LocationService;

public class HomeFragment extends Fragment {

    private TextView tvLongitude;
    private TextView tvLatitude;
    private TextView tvSpeed;
    private TextView tvAltitude;
    private TextView tvAccuracy;


    private Context context;
    private Handler handler;
    private Runnable runnableCode;
    private SharedPreferences preferences;
    private View view;

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.fragment_home, container, false);
        context = this.getContext();
        preferences = PreferenceManager.getDefaultSharedPreferences(this.getContext());

        loadPosition();

        loadWeather();

        return view;
    }

    @Override
    public void onResume() {
        super.onResume();
    }

    @Override
    public void onPause() {

        handler.removeCallbacks(runnableCode);
        super.onPause();
    }

    private void loadPosition () {



        tvLongitude = view.findViewById(R.id.tv_longitude);
        tvLatitude = view.findViewById(R.id.tv_latitude);
        tvSpeed = view.findViewById(R.id.tv_speed);
        tvAltitude = view.findViewById(R.id.tv_altitude);
        tvAccuracy = view.findViewById(R.id.tv_accuracy);


        // Create the Handler object (on the main thread by default)
        handler = new Handler();
        // Define the code block to be executed
        runnableCode = new Runnable() {
            @Override
            public void run() {

                tvLongitude.setText(context.getString(R.string.longitude) +": "+ preferences.getFloat("longitude", -1000));
                tvLatitude.setText(context.getString(R.string.latitude) +": "+ preferences.getFloat("latitude", -1000));
                tvSpeed.setText(context.getString(R.string.speed) +": "+ preferences.getFloat("speed", -1000));
                tvAltitude.setText(context.getString(R.string.altitude) +": "+ preferences.getFloat("altitude", -1000));
                tvAccuracy.setText(context.getString(R.string.accuracy) +": "+ preferences.getFloat("accuracy", -1000));


                handler.postDelayed(this, 2000);
            }
        };
        // Start the initial runnable task by posting through the handler
        handler.post(runnableCode);
    }

    private void loadWeather (){

        Weather weather;

        CardView cvCardView;
        TextView tvDate;
        ImageView imageView;
        TextView tvDescription;
        TextView tvTemperature;
        TextView tvHumity;

        cvCardView = view.findViewById(R.id.incWeather);
        tvDate = view.findViewById(R.id.tvDate);
        imageView = view.findViewById(R.id.card_view_image);
        tvDescription = view.findViewById(R.id.tvDescription);
        tvTemperature = view.findViewById(R.id.tvTemperature);
        tvHumity = view.findViewById(R.id.tvHumity);

        weather = WeatherDB.getDatabase(getContext()).weatherDAO().getFirst();

        if (weather != null) {

            cvCardView.setCardElevation(0);
            tvDate.setText(weather.getDate());

            new DownloadImageTask(imageView).execute("https://openweathermap.org/img/w/" + weather.getIcon() + ".png");


            tvDescription.setText(weather.getDescription());
            tvTemperature.setText(context.getString(R.string.temperature) + ": " + weather.getTemp() + "°C");
            tvHumity.setText(context.getString(R.string.humidity) + ": " + weather.getHumidity() + "%");
        }

    }

    public void refresh(){
        loadPosition();
        loadWeather();
    }


}