JSON配列を取得しています。
[{"0":"500","post_id":"500","1":"Ps-2","post_title":"Ps-2","2":"Ps-2 in new condition. used only for 15 to 20 times.\n3 dvd's will also be given freely.\nthis all for a nominal price","post_des":"Ps-2 in new condition. used only for 15 to 20 times.\n3 dvd's will also be given freely.\nthis all for a nominal price","3":"2013-02-16 04:02:24","post_date":"2013-02-16 04:02:24","4":"2013-02-16 04:02:24","edit_date":"2013-02-16 04:02:24","5":"1","post_status":"1","6":"5","user_id":"5","7":"0","featuered":"0","8":"11","sub_cat_id":"11","9":"1","cat_id":"1","10":"7500","post_price":"7500","11":".\/uploads\/lmf-classifieds-pk\/folder1\/2013-02-16\/500\/1361014226-ps-2-lmf-com-pk.jpg","post_img":".\/uploads\/lmf-classifieds-pk\/folder1\/2013-02-16\/500\/1361014226-ps-2-lmf-com-pk.jpg","12":"1","post_country_id":"1","13":"7","post_state_id":"7","14":"92","post_city_id":"92","15":"olx","post_ref":"olx","16":"03335525488","number":"03335525488","17":"7","state_id":"7","18":"Punjab","state_title":"Punjab","19":"Punjab","state_des":"Punjab","20":"1","state_status":"1","21":"1","country_id":"1","22":"populer","state_type":"populer","23":"92","city_id":"92","24":"Rawalpindi","city_title":"Rawalpindi","25":"Rawalpindi","city_des":"Rawalpindi","26":"1","city_status":"1","27":"7","28":"populer","city_type":"populer","29":"populer","is_important":"populer","30":"16-February-2013","p_date":"16-February-2013","image1":"..\/uploads\/lmf-classifieds-pk\/folder1\/2013-02-16\/500\/1361014226-ps-2-lmf-com-pk.jpg","image2":"..\/uploads\/lmf-classifieds-pk\/folder1\/2013-02-16\/500\/1361014225-ps-2-lmf-com-pk.jpg"}]
次に、その配列を JSON オブジェクトに変換します。この配列に「数値」インデックスが存在するかどうかを確認するにはどうすればよいですか?
ここに私の完全なコードがあります:
package com.example.lmf;
import java.util.ArrayList;
import org.json.JSONArray;
import org.json.JSONObject;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
public class adsDetail extends Activity {
String id = "";
String title = null;
String desc = null;
String num = "";
ArrayList<String> files = new ArrayList<String>();
String arr[] = {};
Context context = this;
final static String URL = "http://www.lmf.com.pk/admin/json.php?";
final getInternetData obj = new getInternetData();
public ImageLoader imageLoader = null;
public FileCache clearCache = null;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.ads_detail);
id = getIntent().getExtras().getInt("id")!= 0 ? "id="+getIntent().getExtras().getInt("id") : "";
Button share = (Button) findViewById(R.id.share);
share.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
//create the send intent
Intent shareIntent =
new Intent(android.content.Intent.ACTION_SEND);
//set the type
shareIntent.setType("text/plain");
//add a subject
shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT,
title);
//build the body of the message to be shared
String shareMessage = "http://lmf.com.pk?single_ad.php?title="+title+"&"+id;
//add the message
shareIntent.putExtra(android.content.Intent.EXTRA_TEXT,
shareMessage);
//start the chooser for sharing
startActivity(Intent.createChooser(shareIntent,
title));
}
});
final ImageView call = (ImageView) findViewById(R.id.imageView2);
call.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String uri = "tel:" + num.trim() ;
Intent intent = new Intent(Intent.ACTION_DIAL);
intent.setData(Uri.parse(uri));
startActivity(intent);
}
});
//obj.showProgress(context);
new getBackgroundData().execute();
}
////////////Async Class
private class getBackgroundData extends AsyncTask<Void, Integer, JSONArray>
{
@Override
protected JSONArray doInBackground(Void... params)
{
try
{
JSONArray array = obj.getDATA(id,URL);
return array;
}
catch(Exception e)
{
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(JSONArray array)
{
try
{
JSONObject row = array.getJSONObject(0);
//// Post Title Creation start here /////////
TextView tv = (TextView) findViewById(R.id.textView1);
tv.setText(row.getString("post_title"));
title = row.getString("post_title");
//// Post Title Creating Ends here /////////
//// Getting Phone Number //////////////////
if(row.has("number"))
{
num = row.getString("number");
}
else
{
num = "123";
}
Toast.makeText(context, num, Toast.LENGTH_LONG).show();
//// Getting Number Ends HEre /////////////
////Post Price Creation start here /////////
TextView price = (TextView) findViewById(R.id.textView2);
if(row.getString("post_price")!="" && row.getString("post_price")!="FREE")
{
price.setText(row.getString("post_price"));
}
else
{
price.setText(row.getString("post_price"));
}
price.setTextColor(Color.LTGRAY);
price.setTextSize(16);
price.setTypeface(null,Typeface.BOLD);
////Post Price Creating Ends here /////////
////Post user Creation start here /////////
TextView user = (TextView) findViewById(R.id.post_user);
user.setText("Anonymouse");
////Post user Creating Ends here /////////
////Post state Creation start here /////////
TextView state = (TextView) findViewById(R.id.textView3);
state.setText(row.getString("state_title"));
state.setTextSize(10);
state.setTypeface(null,Typeface.BOLD);
////Post state Creating Ends here /////////
////Post city Creation start here /////////
TextView city = (TextView) findViewById(R.id.textView4);
city.setText(row.getString("city_title"));
city.setTextSize(9);
city.setTypeface(null,Typeface.BOLD);
////Post city Creating Ends here /////////
////Post post date Creation start here /////////
TextView date = (TextView) findViewById(R.id.post_date);
date.setText("Posted On : "+row.getString("p_date"));
////Post post date Creating Ends here /////////
////Post Price Creation start here /////////
TextView post_des = (TextView) findViewById(R.id.post_detail);
post_des.setText(row.getString("post_des").replaceAll("\\<.*?>",""));
desc = row.getString("post_des");
////Post Price Creating Ends here /////////
//// Image Creating Starts from here /////////
ImageView imageView = (ImageView) findViewById(R.id.imageView1);
String[] parts = row.getString("post_img").split("/");
int last_index = parts.length - 1;
//String str = "";
for(int j=0; j<last_index; j++)
{
//str += parts[j]+"/";
}
String path = "http://www.lmf.com.pk/"+row.getString("post_img");
getImageUrls(path);
Drawable image = drawable_from_url(path,"");
imageView.setBackgroundDrawable(image);
imageView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent i = new Intent(context,com.example.lmf.ImageGallery.class);
i.putExtra("imageUrlArray", files.toArray(new String[files.size()]));
startActivity(i);
}
});
//// Image Creating Ends here /////////
//obj.hideProgress();
}
catch(Exception e)
{
e.printStackTrace();
}
}
}
/////////// Ends Here
@Override
public boolean onCreateOptionsMenu(Menu menu)
{
MenuItem item = menu.add ("Quit");
MenuItem item2 = menu.add ("Clear Cache");
item.setOnMenuItemClickListener (new OnMenuItemClickListener()
{
@Override
public boolean onMenuItemClick (MenuItem item)
{
//clearArray();
finish();
return true;
}
});
item2.setOnMenuItemClickListener (new OnMenuItemClickListener()
{
@Override
public boolean onMenuItemClick (MenuItem item)
{
//clearCahe();
clearCache.clear();
return true;
}
});
return true;
}
Drawable drawable_from_url(String url, String src_name) throws
java.net.MalformedURLException, java.io.IOException
{
return Drawable.createFromStream(((java.io.InputStream)
new java.net.URL(url).getContent()), src_name);
}
public void getImageUrls(String path)
{
files.add(path);
}
}