Lists and Adapters Treehouse

AlertDialogFragment.java

package teamtreehouse.com.stormy.ui;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.Context;
import android.os.Bundle;

import teamtreehouse.com.stormy.R;

/**
 * Created by benjakuben on 12/3/14.
 */
public class AlertDialogFragment extends DialogFragment {

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        Context context = getActivity();
        AlertDialog.Builder builder = new AlertDialog.Builder(context)
                .setTitle(context.getString(R.string.error_title))
                .setMessage(context.getString(R.string.error_message))
                .setPositiveButton(context.getString(R.string.error_ok_button_text), null);

        AlertDialog dialog = builder.create();
        return dialog;
    }
}

Current.java

package teamtreehouse.com.stormy.weather;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

import teamtreehouse.com.stormy.R;

/**
 * Created by benjakuben on 12/8/14.
 */
public class Current {
    private String mIcon;
    private long mTime;
    private double mTemperature;
    private double mHumidity;
    private double mPrecipChance;
    private String mSummary;
    private String mTimeZone;

    public String getTimeZone() {
        return mTimeZone;
    }

    public void setTimeZone(String timeZone) {
        mTimeZone = timeZone;
    }

    public String getIcon() {
        return mIcon;
    }

    public void setIcon(String icon) {
        mIcon = icon;
    }

    public int getIconId() {
        return Forecast.getIconId(mIcon);
    }

    public long getTime() {
        return mTime;
    }

    public String getFormattedTime() {
        SimpleDateFormat formatter = new SimpleDateFormat("h:mm a");
        formatter.setTimeZone(TimeZone.getTimeZone(getTimeZone()));
        Date dateTime = new Date(getTime() * 1000);
        String timeString = formatter.format(dateTime);

        return timeString;
    }

    public void setTime(long time) {
        mTime = time;
    }

    public int getTemperature() {
        return (int)Math.round(mTemperature);
    }

    public void setTemperature(double temperature) {
        mTemperature = temperature;
    }

    public double getHumidity() {
        return mHumidity;
    }

    public void setHumidity(double humidity) {
        mHumidity = humidity;
    }

    public int getPrecipChance() {
        double precipPercentage = mPrecipChance * 100;
        return (int)Math.round(precipPercentage);
    }

    public void setPrecipChance(double precipChance) {
        mPrecipChance = precipChance;
    }

    public String getSummary() {
        return mSummary;
    }

    public void setSummary(String summary) {
        mSummary = summary;
    }
}

DailyForecastActivity.java

package teamtreehouse.com.stormy.ui;

import android.app.ListActivity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v7.app.ActionBarActivity;
import android.widget.ArrayAdapter;

import java.util.Arrays;

import teamtreehouse.com.stormy.R;
import teamtreehouse.com.stormy.adapters.DayAdapter;
import teamtreehouse.com.stormy.weather.Day;

public class DailyForecastActivity extends ListActivity {

    private Day[] mDays;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_daily_forecast);

        Intent intent = getIntent();
        Parcelable[] parcelables = intent.getParcelableArrayExtra(MainActivity.DAILY_FORECAST);
        mDays = Arrays.copyOf(parcelables, parcelables.length, Day[].class);

        DayAdapter adapter = new DayAdapter(this, mDays);
        setListAdapter(adapter);
    }

}

Day.java

package teamtreehouse.com.stormy.weather;

import android.os.Parcel;
import android.os.Parcelable;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

/**
 * Created by benjakuben on 2/5/15.
 */
public class Day implements Parcelable {
    private long mTime;
    private String mSummary;
    private double mTemperatureMax;
    private String mIcon;
    private String mTimezone;

    public void setTime(long time) {
        mTime = time;
    }

    public String getSummary() {
        return mSummary;
    }

    public void setSummary(String summary) {
        mSummary = summary;
    }

    public double getTemperatureMax() {
        return (int)Math.round(mTemperatureMax);
    }

    public void setTemperatureMax(double temperatureMax) {
        mTemperatureMax = temperatureMax;
    }

    public String getIcon() {
        return mIcon;
    }

    public void setIcon(String icon) {
        mIcon = icon;
    }

    public String getTimezone() {
        return mTimezone;
    }

    public void setTimezone(String timezone) {
        mTimezone = timezone;
    }

    public int getIconId() {
        return Forecast.getIconId(mIcon);
    }


    public String getDayOfTheWeek() {
        SimpleDateFormat formatter = new SimpleDateFormat("EEEE");
        formatter.setTimeZone(TimeZone.getTimeZone(mTimezone));
        Date dateTime = new Date(mTime * 1000);
        return formatter.format(dateTime);
    }

    @Override
    public int describeContents() {
        return 0;
    }

    @Override
    public void writeToParcel(Parcel dest, int flags) {
        dest.writeLong(mTime);
        dest.writeString(mSummary);
        dest.writeDouble(mTemperatureMax);
        dest.writeString(mIcon);
        dest.writeString(mTimezone);
    }

    private Day(Parcel in) {
        mTime = in.readLong();
        mSummary = in.readString();
        mTemperatureMax = in.readDouble();
        mIcon = in.readString();
        mTimezone = in.readString();
    }

    public Day() { }

    public static final Creator<Day> CREATOR = new Creator<Day>() {
        @Override
        public Day createFromParcel(Parcel source) {
            return new Day(source);
        }

        @Override
        public Day[] newArray(int size) {
            return new Day[size];
        }
    };
}

DayAdapter.java

package teamtreehouse.com.stormy.adapters;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import teamtreehouse.com.stormy.R;
import teamtreehouse.com.stormy.weather.Day;

/**
 * Created by Quintin on 6/24/2016.
 */
public class DayAdapter extends BaseAdapter {

    private Context mContext;
    private Day[] mDays;

    public DayAdapter(Context context, Day[] days) {
        mContext = context;
        //mDays =  new Day[days.length];
        mDays = days;
    }

    @Override
    public int getCount() {
        return mDays.length;
    }

    @Override
    public Object getItem(int position) {
        return mDays[position];
    }

    @Override
    public long getItemId(int position) {
        return 0; //We aren't using this, but it can be used to tag items for easy reference
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder;

        if (convertView == null) {
            //brand new
            convertView = LayoutInflater.from(mContext).inflate(R.layout.daily_list_item, null);
            holder = new ViewHolder();
            holder.iconImageView = (ImageView) convertView.findViewById(R.id.iconImageView);
            holder.temperatureLabel = (TextView) convertView.findViewById(R.id.temperatureLabel);

            convertView.setTag(holder);
        }
        else {
            holder = (ViewHolder) convertView.getTag();
        }

        Day day = mDays[position];

        holder.iconImageView.setImageResource(day.getIconId());
        holder.temperatureLabel.setText(day.getTemperatureMax() + "");
        holder.dayLabel.setText(day.getDayOfTheWeek());

        return convertView;
    }
    private static class ViewHolder {
        ImageView iconImageView; //public by default
        TextView temperatureLabel;
        TextView dayLabel;
    }
}

Forecast.java

package teamtreehouse.com.stormy.weather;

import teamtreehouse.com.stormy.R;

/**
 * Created by benjakuben on 2/5/15.
 */
public class Forecast {
    private Current mCurrent;
    private Hour[] mHourlyForecast;
    private Day[] mDailyForecast;

    public Current getCurrent() {
        return mCurrent;
    }

    public void setCurrent(Current current) {
        mCurrent = current;
    }

    public Hour[] getHourlyForecast() {
        return mHourlyForecast;
    }

    public void setHourlyForecast(Hour[] hourlyForecast) {
        mHourlyForecast = hourlyForecast;
    }

    public Day[] getDailyForecast() {
        return mDailyForecast;
    }

    public void setDailyForecast(Day[] dailyForecast) {
        mDailyForecast = dailyForecast;
    }

    public static int getIconId(String iconString) {

        // clear-day, clear-night, rain, snow, sleet, wind, fog, cloudy, partly-cloudy-day, or partly-cloudy-night.
        int iconId = R.drawable.clear_day;


        if (iconString.equals("clear-day")) {
            iconId = R.drawable.clear_day;
        }
        else if (iconString.equals("clear-night")) {
            iconId = R.drawable.clear_night;
        }
        else if (iconString.equals("rain")) {
            iconId = R.drawable.rain;
        }
        else if (iconString.equals("snow")) {
            iconId = R.drawable.snow;
        }
        else if (iconString.equals("sleet")) {
            iconId = R.drawable.sleet;
        }
        else if (iconString.equals("wind")) {
            iconId = R.drawable.wind;
        }
        else if (iconString.equals("fog")) {
            iconId = R.drawable.fog;
        }
        else if (iconString.equals("cloudy")) {
            iconId = R.drawable.cloudy;
        }
        else if (iconString.equals("partly-cloudy-day")) {
            iconId = R.drawable.partly_cloudy;
        }
        else if (iconString.equals("partly-cloudy-night")) {
            iconId = R.drawable.cloudy_night;
        }

        return iconId;
    }
}

Hour.java

package teamtreehouse.com.stormy.weather;

/**
 * Created by benjakuben on 2/5/15.
 */
public class Hour {
    private long mTime;
    private String mSummary;
    private double mTemperature;
    private String mIcon;
    private String mTimezone;

    public long getTime() {
        return mTime;
    }

    public void setTime(long time) {
        mTime = time;
    }

    public String getSummary() {
        return mSummary;
    }

    public void setSummary(String summary) {
        mSummary = summary;
    }

    public double getTemperature() {
        return mTemperature;
    }

    public void setTemperature(double temperature) {
        mTemperature = temperature;
    }

    public String getIcon() {
        return mIcon;
    }

    public void setIcon(String icon) {
        mIcon = icon;
    }

    public String getTimezone() {
        return mTimezone;
    }

    public void setTimezone(String timezone) {
        mTimezone = timezone;
    }
}

MainActivity.java

package teamtreehouse.com.stormy.ui;

import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

import com.squareup.okhttp.Call;
import com.squareup.okhttp.Callback;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.Response;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;
import java.util.jar.JarException;

import butterknife.ButterKnife;
import butterknife.InjectView;
import butterknife.OnClick;
import teamtreehouse.com.stormy.R;
import teamtreehouse.com.stormy.weather.Current;
import teamtreehouse.com.stormy.weather.Day;
import teamtreehouse.com.stormy.weather.Forecast;
import teamtreehouse.com.stormy.weather.Hour;


public class MainActivity extends ActionBarActivity {

    public static final String TAG = MainActivity.class.getSimpleName();
    public static final String DAILY_FORECAST = "DAILY_FORECAST";

    private Forecast mForecast;

    @InjectView(R.id.timeLabel) TextView mTimeLabel;
    @InjectView(R.id.temperatureLabel) TextView mTemperatureLabel;
    @InjectView(R.id.humidityValue) TextView mHumidityValue;
    @InjectView(R.id.precipValue) TextView mPrecipValue;
    @InjectView(R.id.summaryLabel) TextView mSummaryLabel;
    @InjectView(R.id.iconImageView) ImageView mIconImageView;
    @InjectView(R.id.refreshImageView) ImageView mRefreshImageView;
    @InjectView(R.id.progressBar) ProgressBar mProgressBar;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ButterKnife.inject(this);

        mProgressBar.setVisibility(View.INVISIBLE);

        final double latitude = 42.3876;
        final double longitude = -71.0995;

        mRefreshImageView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                getForecast(latitude, longitude);
            }
        });

        getForecast(latitude, longitude);

        Log.d(TAG, "Main UI code is running!");
    }

    private void getForecast(double latitude, double longitude) {
        String apiKey = "d2fd58d75b2c25aa8f464fc723c028a2";
        String forecastUrl = "https://api.forecast.io/forecast/" + apiKey +
                "/" + latitude + "," + longitude;

        if (isNetworkAvailable()) {
            toggleRefresh();

            OkHttpClient client = new OkHttpClient();
            Request request = new Request.Builder()
                    .url(forecastUrl)
                    .build();

            Call call = client.newCall(request);
            call.enqueue(new Callback() {
                @Override
                public void onFailure(Request request, IOException e) {
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            toggleRefresh();
                        }
                    });
                    alertUserAboutError();
                }

                @Override
                public void onResponse(Response response) throws IOException {
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            toggleRefresh();
                        }
                    });

                    try {
                        String jsonData = response.body().string();
                        Log.v(TAG, jsonData);
                        if (response.isSuccessful()) {
                            mForecast = parseForecastDetails(jsonData);
                            runOnUiThread(new Runnable() {
                                @Override
                                public void run() {
                                    updateDisplay();
                                }
                            });
                        } else {
                            alertUserAboutError();
                        }
                    }
                    catch (IOException e) {
                        Log.e(TAG, "Exception caught: ", e);
                    }
                    catch (JSONException e) {
                        Log.e(TAG, "Exception caught: ", e);
                    }
                }
            });
        }
        else {
            Toast.makeText(this, getString(R.string.network_unavailable_message),
                    Toast.LENGTH_LONG).show();
        }
    }

    private void toggleRefresh() {
        if (mProgressBar.getVisibility() == View.INVISIBLE) {
            mProgressBar.setVisibility(View.VISIBLE);
            mRefreshImageView.setVisibility(View.INVISIBLE);
        }
        else {
            mProgressBar.setVisibility(View.INVISIBLE);
            mRefreshImageView.setVisibility(View.VISIBLE);
        }
    }

    private void updateDisplay() {
        Current current = mForecast.getCurrent();

        mTemperatureLabel.setText(current.getTemperature() + "");
        mTimeLabel.setText("At " + current.getFormattedTime() + " it will be");
        mHumidityValue.setText(current.getHumidity() + "");
        mPrecipValue.setText(current.getPrecipChance() + "%");
        mSummaryLabel.setText(current.getSummary());

        Drawable drawable = getResources().getDrawable(current.getIconId());
        mIconImageView.setImageDrawable(drawable);
    }

    private Forecast parseForecastDetails(String jsonData) throws JSONException {
        Forecast forecast = new Forecast();

        forecast.setCurrent(getCurrentDetails(jsonData));
        forecast.setHourlyForecast(getHourlyForecast(jsonData));
        forecast.setDailyForecast(getDailyForecast(jsonData));

        return forecast;
    }

    private Day[] getDailyForecast(String jsonData) throws JSONException {
        JSONObject forecast = new JSONObject(jsonData);
        String timezone = forecast.getString("timezone");
        JSONObject daily = forecast.getJSONObject("daily");
        JSONArray data = daily.getJSONArray("data");

        Day[] days = new Day[data.length()];

        for (int i = 0; i < data.length(); i++) {
            JSONObject jsonDay = data.getJSONObject(i);
            Day day = new Day();

            day.setSummary(jsonDay.getString("summary"));
            day.setIcon(jsonDay.getString("icon"));
            day.setTemperatureMax(jsonDay.getDouble("temperatureMax"));
            day.setTime(jsonDay.getLong("time"));
            day.setTimezone(timezone);

            days[i] = day;
        }

        return days;
    }

    private Hour[] getHourlyForecast(String jsonData) throws JSONException {
        JSONObject forecast = new JSONObject(jsonData);
        String timezone = forecast.getString("timezone");
        JSONObject hourly = forecast.getJSONObject("hourly");
        JSONArray data = hourly.getJSONArray("data");

        Hour[] hours = new Hour[data.length()];

        for (int i = 0; i < data.length(); i++) {
            JSONObject jsonHour = data.getJSONObject(i);
            Hour hour = new Hour();

            hour.setSummary(jsonHour.getString("summary"));
            hour.setTemperature(jsonHour.getDouble("temperature"));
            hour.setIcon(jsonHour.getString("icon"));
            hour.setTime(jsonHour.getLong("time"));
            hour.setTimezone(timezone);

            hours[i] = hour;
        }

        return hours;
    }


    private Current getCurrentDetails(String jsonData) throws JSONException {
        JSONObject forecast = new JSONObject(jsonData);
        String timezone = forecast.getString("timezone");
        Log.i(TAG, "From JSON: " + timezone);

        JSONObject currently = forecast.getJSONObject("currently");

        Current current = new Current();
        current.setHumidity(currently.getDouble("humidity"));
        current.setTime(currently.getLong("time"));
        current.setIcon(currently.getString("icon"));
        current.setPrecipChance(currently.getDouble("precipProbability"));
        current.setSummary(currently.getString("summary"));
        current.setTemperature(currently.getDouble("temperature"));
        current.setTimeZone(timezone);

        Log.d(TAG, current.getFormattedTime());

        return current;
    }


    private boolean isNetworkAvailable() {
        ConnectivityManager manager = (ConnectivityManager)
                getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = manager.getActiveNetworkInfo();
        boolean isAvailable = false;
        if (networkInfo != null && networkInfo.isConnected()) {
            isAvailable = true;
        }

        return isAvailable;
    }

    private void alertUserAboutError() {
        AlertDialogFragment dialog = new AlertDialogFragment();
        dialog.show(getFragmentManager(), "error_dialog");
    }

    @OnClick (R.id.dailyButton)
    public void startDailyActivity(View view) {
        Intent intent = new Intent(this, DailyForecastActivity.class);
        intent.putExtra(DAILY_FORECAST, mForecast.getDailyForecast());
        startActivity(intent);


    }
}