Re: [android-developers] How to get only one restaurant when I press click button one click

[TreKing]

On Sat, Jun 4, 2016 at 6:35 PM,  wrote:

> What i need to do is add button to the main activity layout when i press
> on button get to me list of restaurant item by item
> from json file and display it in list view but not display all restaurants
> in one click but show item by item
> every click get restaurant
> suppose i have 3 restaurant in json file
> when i click on button for first click get me first restaurant
> when i click on button for second click get me second restaurant
> when i click on button for third click get me third restaurant
> How to customize this code to accept get item by item restaurant from json
> file
>

When you parse you JSON save the items in a separate array and don't add to
the list adapter.
On press of your button, remove the next item from the array cache and add
to the adapter.

-
TreKing  - Chicago
transit tracking app for Android-powered devices

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[android-developers] How to get only one restaurant when I press click button one click

[abeer . shlby]

I have app inside it only one activity (main activity) and layout XML of 
main activity have only 
list view .this app get restaurants near from my location and display it in 
list view 
What i need to do is add button to the main activity layout when i press on 
button get to me list of restaurant item by item
from json file and display it in list view but not display all restaurants 
in one click but show item by item
every click get restaurant
suppose i have 3 restaurant in json file
when i click on button for first click get me first restaurant
when i click on button for second click get me second restaurant
when i click on button for third click get me third restaurant 
How to customize this code to accept get item by item restaurant from json 
file
My code include class and activity and code is working success  
my class is FoursquareVenue
package com.foodsmap_project_app.foodsmap_project_app;
public class FoursquareVenue
{
private String name;
private String city;

private String category;

public FoursquareVenue() {
this.name = "";
this.city = "";
this.setCategory("");
}

public String getCity() {
if (city.length() > 0) {
return city;
}
return city;
}

public void setCity(String city) {
if (city != null) {
this.city = city.replaceAll("\\(", "").replaceAll("\\)", "");
;
}
}

public void setName(String name) {
this.name = name;
}

public String getName() {
return name;
}

public String getCategory() {
return category;
}

public void setCategory(String category) {
this.category = category;
}

}
MainActivity.java
public class MainActivity extends ListActivity {
ArrayList venuesList;
   final String CLIENT_ID = 
"SVIBXYYXOEARXHDI4FWAHXGO5ZXOY204TCF1QJFXQLY5FPV4";
final String CLIENT_SECRET = 
"BAAJO1KXRWESGTJJGVON4W3WUFHAQDAJPLRIYJJ5OPHFQ5VI";
   final String latitude = "30.435665153239377";
   final String longtitude = "31.3280148";
ArrayAdapter  myAdapter;

@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
new fourquare().execute();

}
private class fourquare extends AsyncTask {

String temp;

@Override
protected String doInBackground(View... urls) {

   
temp = 
makeCall("https://api.foursquare.com/v2/venues/search?client_id=; + 
CLIENT_ID + "_secret=" + CLIENT_SECRET + 
"=20130815=30.435665153239377,31.144435908398464" + 
"=resturant");
   

return "";
}

@Override
protected void onPreExecute() {

}

@Override
protected void onPostExecute(String result) {
if (temp == null) {

} else {

venuesList = (ArrayList) 
parseFoursquare(temp);

List listTitle = new ArrayList();

for (int i = 0; i < venuesList.size(); i++) {

listTitle.add(i, venuesList.get(i).getName() + ", " + 
venuesList.get(i).getCategory() + "" + venuesList.get(i).getCity());
}


myAdapter = new ArrayAdapter(MainActivity.this, 
R.layout.row_layout, R.id.listText, listTitle);
setListAdapter(myAdapter);
}
}
}
public static String makeCall(String url) {


StringBuffer buffer_string = new StringBuffer(url);
String replyString = "";


HttpClient httpclient = new DefaultHttpClient();

HttpGet httpget = new HttpGet(buffer_string.toString());

try {

HttpResponse response = httpclient.execute(httpget);
InputStream is = response.getEntity().getContent();


BufferedInputStream bis = new BufferedInputStream(is);
ByteArrayBuffer baf = new ByteArrayBuffer(20);
int current = 0;
while ((current = bis.read()) != -1) {
baf.append((byte) current);
}

replyString = new String(baf.toByteArray());
} catch (Exception e) {
e.printStackTrace();
}

return replyString.trim();
}
private static ArrayList parseFoursquare(final String 
response) {

ArrayList temp = new ArrayList();
try {


JSONObject jsonObject = new JSONObject(response);


if (jsonObject.has("response")) {
if (jsonObject.getJSONObject("response").has("venues")) {
JSONArray jsonArray = 
jsonObject.getJSONObject("response").getJSONArray("venues");

for (int i = 0; i < jsonArray.length(); i++) {
FoursquareVenue poi = new FoursquareVenue();
if (jsonArray.getJSONObject(i).has("name")) {