public class NewsScreenActivity extends Activity{
ListView list;
//AdView adView;
ProgressDialog progressDialog;
ImageView refresh_btn;
WebView newwebview;
public static NewsScreenActivity activity;
public static String ac;
NewsScreenAdapter adapter;
String tag = "NewsScreenActivity";
int seconds=10;
public static NewsScreenActivity na;
AlertDialog connection1;
int t;
public class MainData {
public String catId, nextCatId, prevCatId, catDisplay;
public ArrayList<StoryData> storyArr = new ArrayList<StoryData>();
}
public class StoryData {
public String storyid, date, title, description,advertising,contenthtml;
public ArrayList<ImagesData> imageArr = new ArrayList<ImagesData>();
public AdvertiseData adData;
}
public class ImagesData {
public String caption, bigurl, smallurl, mimetype;
public int height, width;
}
public class AdvertiseData{
public String title,desc,targeturl,imageurl;
}
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.newsscreen);
list = (ListView)findViewById(R.id.first_listview);
refresh_btn=(ImageView)findViewById(R.id.refresh_btn);
activity = this;
na=this;
final String url = "http://maritimeglobalnews.com/json";
new AllDataAsyn().execute(url);
refresh_btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
new AllDataAsyn().execute(url);
//adapter.IL.clearCache();
// adapter.notifyDataSetChanged();
}
}) ;
list.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int position,long arg3) {
// TODO Auto-generated method stub
int storyLenght = ((NewsScreenActivity.MainData)NewsScreenActivity.TotalDataArray.get(position)).storyArr.size();
ac=((NewsScreenActivity.MainData)NewsScreenActivity.TotalDataArray.get(position)).storyArr.get(position).storyid;
}
});
}
public class AllDataAsyn extends AsyncTask<String, Void, Void> {
@Override
protected Void doInBackground(String... params) {
// TODO Auto-generated method stub
if (!isNetworkConnected()) {
runOnUiThread(new Runnable() {
public void run() {
// Your Alert Code
AlertDialog connection = new AlertDialog.Builder(
NewsScreenActivity.this)
.setTitle("No Network Found")
.setMessage(
"Internet Connection Reqired To Use this Application")
.setPositiveButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(
DialogInterface dialog,
int whichButton) {
progressDialog.dismiss();
}
}).create();
connection.show();
}
});
} else {
Log.e("arraylist", "" + arrayList_advertising);
arrayList_advertising.clear();
getData(params[0].toString());
}
return null;
}
@Override
protected void onPostExecute(Void result){
// TODO Auto-generated method stub
super.onPostExecute(result);
if(arrayList_title.size()>0)
{
if (isNetworkConnected() == true) {
progressDialog.dismiss();
adapter = new NewsScreenAdapter(NewsScreenActivity.this);
list.setAdapter(adapter);
}
} else{
runDialog(30);
}
}
@Override
protected void onPreExecute() {
// TODO Auto-generated method stub
super.onPreExecute();
progressDialog = new ProgressDialog(NewsScreenActivity.this);
progressDialog.setMessage("Loading ...");
progressDialog.setCancelable(false);
progressDialog.show();
}
public boolean isNetworkConnected(){
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo ni = cm.getActiveNetworkInfo();
if(ni == null){
return false;
} else
return true;
}
}
public void getData(String url){
try
{
//String url = params[0].toString();
HttpParams httpParameters = new BasicHttpParams();
// Set the timeout in milliseconds until a connection is established.
// The default value is zero, that means the timeout is not used.
int timeoutConnection = 10000;
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
//HttpPost request = new HttpPost("http://maritimeglobalnews.com/json");
HttpPost request = new HttpPost(url);
// Send request to WCF service
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpResponse res = httpClient.execute(request);
// Log.i("Request", request.toString());
TotalDataArray.clear();
String JsonResponseData = EntityUtils.toString(res.getEntity());
JSONArray mainDataArr = new JSONArray(JsonResponseData);
for (int k = 0; k < mainDataArr.length(); k++) {
MainData mainData = new MainData();
// Limit
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
try {
JSONObject mainJsonObj = mainDataArr.getJSONObject(k);
// Log.i("CategoryEID", mainJsonObj.getString("CategoryEID"));
mainData.catId = mainJsonObj.getString("CategoryEID");
category_id=mainJsonObj.getString("CategoryEID");
arrayList_category_id.add(category_id);
// Log.i(tag,"NextCategoryEID "+ mainJsonObj.getString("NextCategoryEID") + " ");
mainData.nextCatId = mainJsonObj.getString("NextCategoryEID");
// Log.i(tag, "PrevCategoryEID"+mainJsonObj.getString("PrevCategoryEID") + " ");
mainData.prevCatId = mainJsonObj.getString("PrevCategoryEID");
// Log.i("CategoryDisplay", mainJsonObj.getString("CategoryDisplay"));
mainData.catDisplay = mainJsonObj.getString("CategoryDisplay");
header=mainJsonObj.getString("CategoryDisplay");
// Log.e("temp",""+header);
arrayList_header.add(header);
JSONArray storyJsonArr = mainJsonObj.getJSONArray("storiesShort");
ArrayList<StoryData> tempStoryArr = new ArrayList<StoryData>();
// Log.i("storiesShort Array Lenght", storyJsonArr.length()+ "");
for (int i = 0; i < storyJsonArr.length(); i++) {
StoryData tmpObjStr = new StoryData();
JSONObject storyJsonObj = storyJsonArr.getJSONObject(i);
// Log.i("", "Story Number : " + i);
// Log.i("StoryEID", storyJsonObj.getString("StoryEID"));
tmpObjStr.storyid = storyJsonObj.getString("StoryEID");
story_id=storyJsonObj.getString("StoryEID");
arrayList_story_id.add(story_id);
// Log.i("Date", storyJsonObj.getString("Date"));
tmpObjStr.date = storyJsonObj.getString("Date");
date_time=storyJsonObj.getString("Date");
arrayList_date_time.add(date_time);
Date parsed = new Date(Long.parseLong(date_time.substring(6,date_time.length() - 2)));
// Log.e("date parsed", ""+parsed);
arrayList_convert_date.add(parsed.toString());
// Log.i("Title", storyJsonObj.getString("Title"));
tmpObjStr.title = storyJsonObj.getString("Title");
title=storyJsonObj.getString("Title");
arrayList_title.add(title);
// Log.i("Description", storyJsonObj.getString("Description"));
tmpObjStr.description = storyJsonObj.getString("Description");
des=storyJsonObj.getString("Description");
arrayList_des.add(des);
// Log.i("advertising", storyJsonObj.getString("advertising"));
tmpObjStr.advertising = storyJsonObj.getString("advertising");
try{
advertising=storyJsonObj.getString("advertising");
if(advertising.equalsIgnoreCase("null"))
arrayList_advertising.add(advertising);
else
{
JSONObject tmpAd = storyJsonObj.optJSONObject("advertising");
AdvertiseData adData = new AdvertiseData();
adData.title = tmpAd.getString("Title");
adData.desc = tmpAd.getString("Description");
adData.targeturl = tmpAd.getString("TargetUrl");
adData.imageurl = tmpAd.getString("ImageUrl");
tmpObjStr.adData = adData;
}
}catch(Exception e){
// TODO: handle exception
}
JSONArray imagesURLJsonArr = storyJsonObj.getJSONArray("images");
ArrayList<ImagesData> tempimagarr = new ArrayList<ImagesData>();
for (int j = 0; j < imagesURLJsonArr.length(); j++) {
ImagesData tmpimgdata = new ImagesData();
JSONObject imageObject = imagesURLJsonArr.getJSONObject(j);
// Log.i("Caption", imageObject.getString("Caption"));
tmpimgdata.caption = imageObject.getString("Caption");
// Log.i("iPhoneSmallImageURL", imageObject .getString("iPhoneSmallImageURL"));
tmpimgdata.smallurl = imageObject.getString("iPhoneSmallImageURL");
image=imageObject.getString("iPhoneSmallImageURL");
arrayList_image.add(image);
// Log.i("iPhoneBigImageURL", imageObject .getString("iPhoneBigImageURL"));
tmpimgdata.bigurl = imageObject.getString("iPhoneBigImageURL");
big_image=imageObject.getString("iPhoneBigImageURL");
arrayList_big_image.add(big_image);
// Log.i("Height", imageObject.getInt("Height") + "");
tmpimgdata.height = imageObject.getInt("Height");
// Log.i("Width", imageObject.getInt("Width") + "");
tmpimgdata.width = imageObject.getInt("Width");
// Log.i("MimeType", imageObject.getString("MimeType"));
tmpimgdata.mimetype = imageObject.getString("MimeType");
tempimagarr.add(tmpimgdata);
}
tmpObjStr.imageArr = tempimagarr;
tempStoryArr.add(tmpObjStr);
}
Log.i("CategoryDisplay", mainJsonObj.getString("CategoryDisplay"));
mainData.catDisplay = mainJsonObj.getString("CategoryDisplay");
mainData.storyArr = tempStoryArr;
TotalDataArray.add(mainData);
} catch (Exception e) {
e.printStackTrace();
Log.i("=================== Connection TimeOut11111111", "======");
}
}
}
catch (ConnectTimeoutException e)
{
e.printStackTrace();
runOnUiThread(new Runnable()
{
public void run()
{
// Your Alert Code
progressDialog.dismiss();
AlertDialog connection = new AlertDialog.Builder(
NewsScreenActivity.this)
.setTitle("No Network Found")
.setMessage(
"Internet Connection Reqired To Use this Application,please try again latter")
.setPositiveButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
}
}).create();
connection.show();
}
});
Log.i("=================== Connection TimeOut222222", "======");
}
catch (SocketTimeoutException e){
e.printStackTrace();
runOnUiThread(new Runnable()
{
public void run()
{
// Your Alert Code
progressDialog.dismiss();
AlertDialog connection = new AlertDialog.Builder(
NewsScreenActivity.this)
.setTitle("No Network Found")
.setMessage(
"Internet Connection Reqired To Use this Application,please try again latter")
.setPositiveButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
// progressDialog.dismiss();
}
}).create();
connection.show();
}
});
Log.i("=================== Connection TimeOut33333333333", "======");
}
catch (UnknownHostException e) {
e.printStackTrace();
runOnUiThread(new Runnable()
{
public void run()
{
// Your Alert Code
progressDialog.dismiss();
AlertDialog connection = new AlertDialog.Builder(
NewsScreenActivity.this)
.setTitle("No Network Found")
.setMessage(
"Internet Connection Reqired To Use this Application,please try again latter")
.setPositiveButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
// progressDialog.dismiss();
}
}).create();
connection.show();
}
});
Log.i("=================== UnknownHostException", "======");
}catch (Exception e){
e.printStackTrace();
runOnUiThread(new Runnable()
{
public void run()
{
// Your Alert Code
progressDialog.dismiss();
AlertDialog connection = new AlertDialog.Builder(
NewsScreenActivity.this)
.setTitle("No Network Found")
.setMessage(
"Internet Connection Reqired To Use this Application,please try again latter")
.setPositiveButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(
DialogInterface dialog,
int whichButton) {
}
}).create();
connection.show();
}
});
Log.i("=================== Connection TimeOut4444444444", "======");
}
}
private void runDialog(final int seconds){
new Thread(new Runnable(){
public void run(){
try {
Thread.sleep(seconds * 1000);
progressDialog.dismiss();
connection1 = new AlertDialog.Builder(
NewsScreenActivity.this)
.setTitle("neel alert")
.setMessage(
"Internet Connection Reqired To Use this Application,please try again latter")
.setPositiveButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
}
}).create();
// connection1.show();
}catch (InterruptedException e) {
e.printStackTrace();
}
}
}).start();
}
如果没有从 Web 服务获得响应，我想打开警报。我已经完成了这个功能，但它对我不起作用。当我启动应用程序时，显示的进度对话框，当时我断开了互联网。该对话框不会在 30 秒内关闭。如何解决？