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Android Build a Weather App (2015) Hooking Up the Model to the View Setting the Weather Icon

Felipe Vidal
Felipe Vidal
10,360 Points

Why is this not working?

I Don't know why it sends me to an error

package felipevidal.stormy;

import android.content.Context;
import android.graphics.drawable.Drawable;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

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

import java.io.IOException;

import butterknife.BindView;
import butterknife.ButterKnife;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class MainActivity extends AppCompatActivity {

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

    private CurrentWeather mCurrentWeather;

    @BindView(R.id.timeLabel) TextView mTimeLabel;
    @BindView(R.id.temperatureLabel) TextView mTemperatureLabel;
    @BindView(R.id.humidityValue) TextView mHumidityValue;
    @BindView(R.id.precipValue) TextView mPrecipValue;
    @BindView(R.id.summaryLabel) TextView mSummaryLabel;
    @BindView(R.id.iconImageView) ImageView mIconImageView;

    protected void onCreate(Bundle savedInstanceState) {

        String apiKey = "27974c4bc33201748eaf542a6769c3b7";
        double latitude = 37.8267;
        double longitude = -122.423;
        String forecastUrl = "https://api.forecast.io/forecast/" + apiKey +
                "/" + latitude + "," + longitude;

        if (isNetworkAvailable()) {
            OkHttpClient client = new OkHttpClient();
            Request request = new Request.Builder()

            Call call = client.newCall(request);
            call.enqueue(new Callback() {

                public void onFailure(Call call, IOException e) {


                public void onResponse(Call call,Response response) throws IOException {
                    try {
                        String jsonData = response.body().string();
                        Log.v(TAG, jsonData);
                        if (response.isSuccessful()) {
                            mCurrentWeather = getCurrentDetails(jsonData);
                            runOnUiThread(new Runnable() {
                                public void run() {
                        } else {
                    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),

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

    private void updateDisplay() {
        mTemperatureLabel.setText(mCurrentWeather.getTemperature() + "");
        mTimeLabel.setText("At " + mCurrentWeather.getFormattedTime() + " it will be");
        mHumidityValue.setText(mCurrentWeather.getHumidity() + "");
        mPrecipValue.setText(mCurrentWeather.getPrecipChance() + "%");

        Drawable drawable = getResources().getDrawable(mCurrentWeather.getIconId());

    private CurrentWeather 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");

        CurrentWeather currentWeather = new CurrentWeather();

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

        return currentWeather;

    private boolean isNetworkAvailable() {
        ConnectivityManager manager = (ConnectivityManager)
        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");
J.D. Sandifer
J.D. Sandifer
18,813 Points

Edited post to better highlight code.

Use three back ticks (grave accents) instead of single quotes to mark the start and end of your code.

1 Answer

Here is my solution I too had a lot of problems similar to yours and decided to post my fix so others can finish the app.