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package com.example.JSon_Forecast;

import java.util.ArrayList;
import java.util.HashMap;

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

import android.app.Activity;
import android.os.Bundle;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;

public class MainActivity extends Activity {

private static String url = "http://api.wunderground.com/api/356d60036a9374e9/conditions/forecast/alert/q/22.897,88.879.json";

private static final String TAG_FORECAST = "forecast";
private static final String TAG_TXT_FORECAST = "txt_forecast";
private static final String TAG_DATE = "date";
private static final String TAG_FORECASTDAY = "forecastday";
private static final String TAG_PERIOD = "period";
private static final String TAG_ICON = "icon";
private static final String TAG_TITLE = "title";

JSONArray forecast_arr = null;

String date,period,icon,title;

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.main_listview);

ArrayList<hashmap><string,>> list = new ArrayList<hashmap><string,>>();

JSONParser jParser = new JSONParser();

JSONObject jobject = jParser.getJSONFromUrl(url);

try {
JSONObject forecast = jobject
.getJSONObject(TAG_FORECAST);
JSONObject txt_forecast = forecast.getJSONObject(TAG_DATE);
date = txt_forecast.getString(TAG_DATE);

TextView txtdate = (TextView) findViewById(R.id.txt_date);
txtdate.setText(date);

JSONObject txt_forecast1 = forecast.getJSONObject(TAG_TXT_FORECAST);
JSONObject forecastday1 = txt_forecast1.getJSONObject(TAG_FORECASTDAY);


forecast_arr = forecastday1.getJSONArray("forecastday");

for(int i = 0; i < forecast_arr.length(); i++){
JSONObject ob = forecast_arr.getJSONObject(i);

period = ob.getString(TAG_PERIOD);
icon = ob.getString(TAG_ICON);
title = ob.getString(TAG_TITLE);

HashMap<string,> map = new HashMap<string,>();

map.put(TAG_PERIOD, period);
map.put(TAG_ICON, icon);
map.put(TAG_TITLE, title);

list.add(map);


}
}
catch (JSONException e) {
e.printStackTrace();
}

ListAdapter adapter = new SimpleAdapter(this, list,
R.layout.main,
new String[] { TAG_PERIOD, TAG_ICON, TAG_TITLE }, new int[] {
R.id.txt_period, R.id.txt_icon, R.id.txt_title });

setListAdapter(adapter); //but getting error here




}


}


//and the json viewer shows the elements as

"forecast": {
"txt_forecast": {
"date": "5:30 AM IST",
"forecastday": [
{
"period": 0,
"icon": "clear",
"icon_url": "http://icons-ak.wxug.com/i/c/k/clear.gif",
"title": "Monday",
"fcttext": "Clear. High of 86F. Winds from the North at 5 to 10 mph.",
"fcttext_metric": "Clear. High of 30C. Winds from the North at 10 to 15 km/h.",
"pop": "0"
},
{
"period": 1,
"icon": "clear",
"icon_url": "http://icons-ak.wxug.com/i/c/k/clear.gif",
"title": "Monday Night",
"fcttext": "Clear. Low of 66F. Winds from the SSW at 5 to 10 mph shifting to the NW after midnight.",
"fcttext_metric": "Clear. Low of 19C. Winds from the SSW at 10 to 15 km/h shifting to the NW after midnight.",
"pop": "0"
},
Posted
Comments
Sergey Alexandrovich Kryukov 24-Feb-14 12:21pm
   
Not clear. Where do you have some trouble?
—SA

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)




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