my weather app always crash and when i try to check the errors its show me this line of code.ButterKnife.inject(this);

private ProgressBar mProgressBar;*/

@InjectView(R.id.TimeLebel)
TextView mTimeLebel;
@InjectView(R.id.TemparetureLabel)
TextView mTemparetureLabel;
@InjectView(R.id.HumidityValue)
TextView mHumidityValue;
@InjectView(R.id.PricipValue)
TextView mPricipValue;
@InjectView(R.id.SummaryLabel)
TextView mSummaryLabel;
@InjectView(R.id.iconimageView)
TextView mIconimageView;
@InjectView(R.id.RefreshImageView)
ImageView mRefreshImageView;
@InjectView(R.id.ProgressBar)
ProgressBar mProgressBar;
/**
 * ATTENTION: This was auto-generated to implement the App Indexing API.
 * See https://g.co/AppIndexing/AndroidStudio for more information.
 */
private GoogleApiClient mClient;


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    ButterKnife.inject(this);
   /* mTemparetureLabel = (TextView)findViewById(R.id.TemparetureLabel);
    mTimeLebel = (TextView)findViewById(R.id.TimeLebel);
    mHumidityValue = (TextView)findViewById(R.id.HumidityValue);
    mPricpValue =  (TextView)findViewById(R.id.PricipValue);
    mSummaryLebel = (TextView)findViewById(R.id.SummaryLabel);
    mRefreshImageView = (ImageView)findViewById(R.id.RefreshImageView);
    mProgressBar = (ProgressBar)findViewById(R.id.mProgressBar);
   // mProgressBar.setVisibility(View.INVISIBLE);*/


    final double Longitude = 37.8267;
    final double latitude = -122.423;
    mRefreshImageView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            getForcast(latitude, Longitude);

        }
    });


    getForcast(latitude, Longitude);

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

    // ATTENTION: This was auto-generated to implement the App Indexing API.
    // See https://g.co/AppIndexing/AndroidStudio for more information.
    mClient = new GoogleApiClient.Builder(this).addApi(AppIndex.API).build();
}

private void getForcast(double latitude, double Longitude) {
    String ApiKey = "8232e844c7098062c5254fd9901c80d7";

    String ForcastUrl = "https://api.forecast.io/forecast/" + ApiKey + "/" + latitude + "," + Longitude;
    if (isNetworkAvailable()) {
        toggleRefresh();

        OkHttpClient Client = new OkHttpClient();
        Request request = new Request.Builder().url(ForcastUrl).build();
        Call call = Client.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        toggleRefresh();

                    }
                });
                alertUserAboutErro();

            }

            @Override
            public void onResponse(Call call, 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()) {
                        mCurrentWeather = getCurrentDetails(jsonData);
                        runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                UpdateDisplay();

                            }
                        });


                    } else {
                        alertUserAboutErro();
                    }

                } catch (IOException e) {
                    Log.e(TAG, "Exception caught:", e);
                } catch (JSONException e) {
                    Log.e(TAG, "Exception caught:", e);
                }


            }
        });
    } else {
        Toast.makeText(this, R.string.network_unavailable, Toast.LENGTH_LONG).show();
    }


    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
    fab.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                    .setAction("Action", null).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() {
    mTemparetureLabel.setText(mCurrentWeather.getTempareture() + "");
    mTimeLebel.setText("At" + mCurrentWeather.getFormatedTime());
    mHumidityValue.setText(mCurrentWeather.getHumidity() + "");
    mPricipValue.setText(mCurrentWeather.getPricipChance() + "");
    mSummaryLabel.setText(mCurrentWeather.getSumary());


}

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();
    CurrentWeather.setHumidity(Currently.getDouble("humidity"));
    CurrentWeather.setTime(Currently.getLong("Time"));
    CurrentWeather.setIcon(Currently.getString("icon"));
    CurrentWeather.setPricipChance(Currently.getDouble("PriciProbability"));
    CurrentWeather.setSumary(Currently.getString("summary"));
    CurrentWeather.setTempareture(Currently.getDouble("tempareture"));
    CurrentWeather.setTimeZone(Currently.getString("TimeZone"));

    Log.d(TAG, CurrentWeather.getFormattedTime());
    return new CurrentWeather();
}

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

    }
    return isNetworkAvailable;
}

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


@Override
public void onStart() {
    super.onStart();

    // ATTENTION: This was auto-generated to implement the App Indexing API.
    // See https://g.co/AppIndexing/AndroidStudio for more information.
    mClient.connect();
    Action viewAction = Action.newAction(
            Action.TYPE_VIEW, // TODO: choose an action type.
            "Main Page", // TODO: Define a title for the content shown.
            // TODO: If you have web page content that matches this app activity's content,
            // make sure this auto-generated web page URL is correct.
            // Otherwise, set the URL to null.
            Uri.parse("http://host/path"),
            // TODO: Make sure this auto-generated app deep link URI is correct.
            Uri.parse("android-app://com.bosoomama.forcast/http/host/path")
    );
    AppIndex.AppIndexApi.start(mClient, viewAction);
}

@Override
public void onStop() {
    super.onStop();

    // ATTENTION: This was auto-generated to implement the App Indexing API.
    // See https://g.co/AppIndexing/AndroidStudio for more information.
    Action viewAction = Action.newAction(
            Action.TYPE_VIEW, // TODO: choose an action type.
            "Main Page", // TODO: Define a title for the content shown.
            // TODO: If you have web page content that matches this app activity's content,
            // make sure this auto-generated web page URL is correct.
            // Otherwise, set the URL to null.
            Uri.parse("http://host/path"),
            // TODO: Make sure this auto-generated app deep link URI is correct.
            Uri.parse("android-app://com.bosoomama.forcast/http/host/path")
    );
    AppIndex.AppIndexApi.end(mClient, viewAction);
    mClient.disconnect();
}