Improving stability and fixing minor bugs

android/res/layout/news_page_list_element.xml

@@ -19,15 +19,28 @@
         android:src="@drawable/transparent_button"
         android:contentDescription="@string/news_content_description" />
 
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical" >
+
         <Button
             android:id="@+id/button"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical"
             android:background="@drawable/transparent_button"
             android:gravity="left|center_vertical"
             android:minHeight="0dip"
             android:minWidth="0dip"
+            android:text="yrrttedf"
             android:textColor="@color/text_grey" />
 
+        <TextView
+            android:id="@+id/textView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="rtrrtrt" />
+
+    </LinearLayout>
+
 </LinearLayout>

android/src/fishrungames/bashgid/MainActivity.java

@@ -210,8 +210,6 @@ implements NavigationDrawerFragment.NavigationDrawerCallbacks {
         	return;
         }
         
-        
-        
         super.onBackPressed();
     	
     	
@@ -226,13 +224,15 @@ implements NavigationDrawerFragment.NavigationDrawerCallbacks {
    
     @Override
     protected void onResume() {
-    	newsDataSource.open();
+    	//Xperimental -- opening and closing leads to fail
+    	//newsDataSource.open();
       super.onResume();
     }
 
     @Override
     protected void onPause() {
-    	newsDataSource.close();
+    	//Xperimental -- opening and closing leads to fail
+    	//newsDataSource.close();
       super.onPause();
     }
 

android/src/fishrungames/bashgid/NewsListFragment.java

@@ -7,6 +7,7 @@ import fishrungames.bashgid.core.ImageManager;
 import fishrungames.bashgid.core.NewsManager;
 import fishrungames.bashgid.core.NewsManager.NewsRecord;
 import fishrungames.bashgid.core.NewsManager.NewsUpdatedCallbackInterface;
+import fishrungames.bashgid.core.db.NewsDataSource;
 import android.content.Context;
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
@@ -18,6 +19,7 @@ import android.widget.BaseAdapter;
 import android.widget.Button;
 import android.widget.ImageButton;
 import android.widget.ListView;
+import android.widget.TextView;
 
 
 public class NewsListFragment extends Fragment implements NewsUpdatedCallbackInterface
@@ -102,10 +104,14 @@ public class NewsListFragment extends Fragment implements NewsUpdatedCallbackInt
 	        
 	        Button button = (Button) view.findViewById(R.id.button);
 	        
+	        TextView textView = (TextView) view.findViewById(R.id.textView);
+	        
 	        ImageManager.getInstance().ApplyImageToImageView(imageButton, newsRecordArr.get(position).imageId);
 	        
 	        button.setText(newsRecordArr.get(position).title);
 	        
+	        textView.setText(NewsDataSource.iso8601Format.format(newsRecordArr.get(position).pubDate));
+	        
 	        button.setOnClickListener(new ButtonOnClickListener(newsRecordArr.get(position)));
 	        
 	        imageButton.setOnClickListener(new ButtonOnClickListener(newsRecordArr.get(position)));

android/src/fishrungames/bashgid/NewsRecordFragment.java

@@ -30,9 +30,6 @@ public class NewsRecordFragment extends Fragment
 		TextView titleTextView = (TextView) rootView.findViewById(R.id.titleTextView);
 		titleTextView.setText(newsRecord.title);
 		
-		//TextView descriptionTextView = (TextView) rootView.findViewById(R.id.descriptionTextView);
-		//descriptionTextView.setText(newsRecord.description);
-		
 		ImageView imageView = (ImageView) rootView.findViewById(R.id.imageView);
 		ImageManager.getInstance().ApplyImageToImageView(imageView, newsRecord.imageId);
 		

android/src/fishrungames/bashgid/core/ImageManager.java

@@ -35,9 +35,7 @@ public class ImageManager {
 	
 	public ImageManager()
 	{
-		PredefinedImageId.put("R.drawable.news_image1", R.drawable.news_image1);
-		PredefinedImageId.put("R.drawable.news_image2", R.drawable.news_image2);
-		PredefinedImageId.put("R.drawable.news_image3", R.drawable.news_image3);
+		PredefinedImageId.put("R.drawable.transparent", R.drawable.transparent);
 	}
 	
 	

android/src/fishrungames/bashgid/core/NewsManager.java

@@ -1,6 +1,10 @@
 package fishrungames.bashgid.core;
 
 import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.Date;
+
 
 import fishrungames.bashgid.MainActivity;
 
@@ -8,6 +12,9 @@ public class NewsManager {
 
 	private static NewsManager instance = null;
 	
+	//Xperimental -- need do something with this. Change to semaphore?
+	public static volatile boolean SynchronizationInProcess = false;
+	
 	
 	public static NewsManager GetInstance()
 	{
@@ -25,12 +32,14 @@ public class NewsManager {
 		public String title;
 		public String description;
 		public String imageId;
+		public Date pubDate;
 		
-		public NewsRecord(String title, String description, String imageId)
+		public NewsRecord(String title, String description, String imageId, Date pubDate)
 		{
 			this.title = title;
 			this.description = description;
 			this.imageId = imageId;
+			this.pubDate = pubDate;
 		}
 		
 		NewsRecord(RssReader.Rss2Item rss2Item)
@@ -46,6 +55,8 @@ public class NewsManager {
 			{
 				this.imageId = "R.drawable.transparent";
 			}
+			
+			this.pubDate = rss2Item.pubDate;
 		}
 	}
 	
@@ -82,79 +93,34 @@ public class NewsManager {
 		@Override
 		public void run()
 		{
-			//String url = "http://www.bashinform.ru/rss/all.xml";
-			
-			String url = "http://www.bashedu.ru/rss.xml";
-			
-			String xmlCode = DownloadManager.getXmlFromUrl(url);
-			
-			if (xmlCode == null)
+			if (SynchronizationInProcess)
 			{
 				return;
 			}
 			
-			//Remove BOM character if present
-			if (xmlCode.startsWith("\uFEFF"))
+			SynchronizationInProcess = true;
+			
+			final String [] urlArr = {
+					"https://www.bashkortostan.ru/presscenter/news/rss/",
+					"http://www.bashedu.ru/rss.xml",
+					"http://www.bashinform.ru/rss/all.xml",
+					"http://www.minkult-rb.ru/news/rss/",
+					"http://02.mvd.ru/news/rss/"
+					
+					}; 
+			
+			ArrayList<NewsRecord> localNewsRecord = MainActivity.getInstance().newsDataSource.getNews();
+			
+			ArrayList<String> imageToDownloadList = new ArrayList<String>();
+			
+			for (int i = 0; i < urlArr.length; i++)
 			{
-				xmlCode = xmlCode.substring(1);
-		    }
 			
+				LoadNewsAndImagesFromRss2(urlArr[i], localNewsRecord, imageToDownloadList);
 				
+				Collections.sort(localNewsRecord, new NewsSortComparator());
 				
-			RssReader rssReader = new RssReader();
-			
-			rssReader.ReadRss(xmlCode);
-			
-			ArrayList<NewsRecord> localNewsRecord = new ArrayList<NewsRecord>();
-			
-			for (RssReader.Rss2Item rss2Item : rssReader.rss2ItemArr)
-			{
-				//Enclosure
-				if (rss2Item.rss2Enclosure != null)
-				{
-					if (DownloadManager.MimeTypeIsImage(rss2Item.rss2Enclosure.mimeType))
-					{
-						ImageManager.getInstance().DownloadImageIfNeeded(rss2Item.rss2Enclosure.url);
-					}
-				}
-				
-				//And images inside text
-				int i = rss2Item.description.indexOf("<img");
-				while (i != -1)
-				{
-					int j = rss2Item.description.indexOf("src=\"", i);
-					
-					if (j != -1)
-					{
-						j += ("src=\"").length();
-						
-						int k = rss2Item.description.indexOf("\"", j);
-						
-						String imageUrl = rss2Item.description.substring(j, k);
-						
-						String fullImageUrl = imageUrl;
-						
-						if (!fullImageUrl.startsWith("http://"))
-						{
-							String homeFolder = DownloadManager.GetUrlFolder(url);
-							
-							fullImageUrl = homeFolder + fullImageUrl;
-						}
-						ImageManager.getInstance().DownloadImageIfNeeded(fullImageUrl);
-						
-						String fileName = ImageManager.getInstance().GetImageLocalUrl(fullImageUrl);
-						
-						rss2Item.description = rss2Item.description.replace("\"" +imageUrl + "\"" , "\"" +fileName + "\"");
-					}
-					
-					 i = rss2Item.description.indexOf("<img", j);
-				}
-			}
-			
-			for (RssReader.Rss2Item rss2Item : rssReader.rss2ItemArr)
-			{
-				localNewsRecord.add(new NewsRecord(rss2Item));
-			}
+				//NewsSortComparator
 				
 				//Xperimental -- need mutex right here
 				newsRecord = localNewsRecord;
@@ -166,6 +132,15 @@ public class NewsManager {
 				{
 					callback.OnNewsUpdated();
 				}
+			
+			}
+			
+			for (String imageToDownload : imageToDownloadList)
+			{
+				ImageManager.getInstance().DownloadImageIfNeeded(imageToDownload);
+			}
+			
+			SynchronizationInProcess = false;
 		}
 	}
 	
@@ -193,6 +168,153 @@ public class NewsManager {
 	}
 	
 	
+	public static ArrayList<String> ExtractEnclosureImageUrl(ArrayList<RssReader.Rss2Item> rss2ItemArr)
+	{
+		ArrayList<String> imageToDownloadList = new ArrayList<String>();
+		
+		for (RssReader.Rss2Item rss2Item : rss2ItemArr)
+		{
+			//Enclosure
+			if (rss2Item.rss2Enclosure != null)
+			{
+				if (DownloadManager.MimeTypeIsImage(rss2Item.rss2Enclosure.mimeType))
+				{
+					imageToDownloadList.add(rss2Item.rss2Enclosure.url);
+				}
+			}
+		}
+		
+		return imageToDownloadList;
+	}
+	
+	public static ArrayList<String> ExtractDescriptionImageUrl(ArrayList<RssReader.Rss2Item> rss2ItemArr)
+	{
+		ArrayList<String> imageToDownloadList = new ArrayList<String>();
+		
+		for (RssReader.Rss2Item rss2Item : rss2ItemArr)
+		{
+			//And images inside text
+			int i = rss2Item.description.indexOf("<img");
+			
+			while (i != -1)
+			{
+				int j = rss2Item.description.indexOf("src=\"", i);
+				
+				if (j != -1)
+				{
+					j += ("src=\"").length();
+					
+					int k = rss2Item.description.indexOf("\"", j);
+					
+					String imageUrl = rss2Item.description.substring(j, k);
+		
+					imageToDownloadList.add(imageUrl);
+				}
+				
+				i = rss2Item.description.indexOf("<img", j);
+			}
+		}
+		
+		return imageToDownloadList;
+	}
+	
+	public static ArrayList<String> ConvertRelativeToAbsoluteImageUrlList(ArrayList<String> relativeImageUrlList, String url)
+	{
+		ArrayList<String> absoluteImageUrlList = new ArrayList<String>();
+		
+		for (String relativeImageUrl : relativeImageUrlList)
+		{
+			if (!relativeImageUrl.startsWith("http://"))
+			{
+				String homeFolder = DownloadManager.GetUrlFolder(url);
+				
+				relativeImageUrl = homeFolder + relativeImageUrl;
+			}
+			
+			absoluteImageUrlList.add(relativeImageUrl);
+		}
+		
+		return absoluteImageUrlList;
+	}
+	
+	
+	static void ReplaceRemoteUrlToLocalUrl(ArrayList<RssReader.Rss2Item> rss2ItemArr, ArrayList<String> relativeImageUrlList, ArrayList<String> absoluteImageUrlList)
+	{
+
+		for (RssReader.Rss2Item rss2Item : rss2ItemArr)
+		{
+			for (int i = 0; i < relativeImageUrlList.size(); i++)
+			{
+				String fileName = ImageManager.getInstance().GetImageLocalUrl(absoluteImageUrlList.get(i));
+			
+				rss2Item.description = rss2Item.description.replace("\"" +relativeImageUrlList.get(i) + "\"" , "\"" +fileName + "\"");
+			}
+		}
+	}
+	
+	static void LoadNewsAndImagesFromRss2(String url, ArrayList<NewsRecord> newsRecordArr, ArrayList<String> imageUrlArr)
+	{
+		//Xperimental -- need to optimize this code. slow block BEGINS
+		String xmlCode = DownloadManager.getXmlFromUrl(url);
+		
+		if (xmlCode == null)
+		{
+			return;
+		}
+		
+		//Remove BOM character if present
+		if (xmlCode.startsWith("\uFEFF"))
+		{
+			xmlCode = xmlCode.substring(1);
+	    }
+		
+		
+		
+		RssReader rssReader = new RssReader();
+		
+		rssReader.ReadRss(xmlCode);
+		
+		
+		//Xperimental -- need to optimize this code. slow block ENDS
+		
+		imageUrlArr.addAll(ExtractEnclosureImageUrl(rssReader.rss2ItemArr));
+		
+		
+		ArrayList<String> relativeImageUrlList = ExtractDescriptionImageUrl(rssReader.rss2ItemArr);
+		
+		ArrayList<String> absoluteImageUrlList = ConvertRelativeToAbsoluteImageUrlList(relativeImageUrlList, url);
+		
+		imageUrlArr.addAll(absoluteImageUrlList);
+		
+		//Xperimental -- this function is very slow, need to speed up
+		ReplaceRemoteUrlToLocalUrl(rssReader.rss2ItemArr, relativeImageUrlList, absoluteImageUrlList);			
+					
+		for (RssReader.Rss2Item rss2Item : rssReader.rss2ItemArr)
+		{
+			boolean exists = false;
+			
+			for (NewsRecord newsRecord : newsRecordArr)
+			{
+				if (newsRecord.title.equals(rss2Item.title))
+				{
+					exists = true;
+					break;
+				}
+			}
+			
+			if (!exists)
+			{
+				newsRecordArr.add(new NewsRecord(rss2Item));
+			}
+		}		
+			
+	}
+	
+	public static class NewsSortComparator implements Comparator<NewsRecord> {
+	    public int compare(NewsRecord newsRecord1, NewsRecord newsRecord2) {
+	        return newsRecord2.pubDate.compareTo(newsRecord1.pubDate);
+	    }
+	}
 
 	
 }

android/src/fishrungames/bashgid/core/RssReader.java

@@ -118,6 +118,12 @@ public class RssReader {
 			
 				String enclosureUrl = XmlProcessor.getAttributeValue(e, "enclosure", "url");
 				String enclosureLengthStr = XmlProcessor.getAttributeValue(e, "enclosure", "length");
+				
+				if (enclosureLengthStr.equals(""))
+				{
+					enclosureLengthStr = "0";
+				}
+				
 				int enclosureLength = Integer.valueOf(enclosureLengthStr);
 				String enclosureMimeType = XmlProcessor.getAttributeValue(e, "enclosure", "type");
 				

android/src/fishrungames/bashgid/core/db/BashgidSqliteHelper.java

@@ -13,6 +13,8 @@ public class BashgidSqliteHelper extends SQLiteOpenHelper
 	  public static final String COLUMN_TITLE = "title";
 	  public static final String COLUMN_DESCRIPTION = "description";
 	  public static final String COLUMN_IMAGE_ID = "imageId";
+	  public static final String COLUMN_PUBDATE = "pubDate";
+	  
 
 
 	  private static final String DATABASE_NAME = "bashgid.db";
@@ -25,6 +27,7 @@ public class BashgidSqliteHelper extends SQLiteOpenHelper
 	      ", " + COLUMN_TITLE + " text not null" +
 	      ", " + COLUMN_DESCRIPTION + " text not null" +
 	      ", " + COLUMN_IMAGE_ID + " text not null" +
+	      ", " + COLUMN_PUBDATE + " text not null" +
 	      ");";
 
 	  public BashgidSqliteHelper(Context context) {

android/src/fishrungames/bashgid/core/db/NewsDataSource.java

@@ -1,6 +1,9 @@
 package fishrungames.bashgid.core.db;
 
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
+import java.util.Locale;
 
 import fishrungames.bashgid.core.NewsManager;
 
@@ -13,12 +16,15 @@ import android.database.sqlite.SQLiteDatabase;
 public class NewsDataSource
 {
 	
+	//Xperimental -- move somewhere
+	public static final SimpleDateFormat iso8601Format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US);
+
 	private SQLiteDatabase database;
 
 	private BashgidSqliteHelper dbHelper;
 
 	private String[] allColumns = { BashgidSqliteHelper.COLUMN_ID, BashgidSqliteHelper.COLUMN_TITLE, BashgidSqliteHelper.COLUMN_DESCRIPTION,
-			BashgidSqliteHelper.COLUMN_IMAGE_ID };
+			BashgidSqliteHelper.COLUMN_IMAGE_ID, BashgidSqliteHelper.COLUMN_PUBDATE };
 
 	public NewsDataSource(Context context) {
 		dbHelper = new BashgidSqliteHelper(context);
@@ -42,6 +48,7 @@ public class NewsDataSource
 		values.put(BashgidSqliteHelper.COLUMN_TITLE, newsRecord.title);
 		values.put(BashgidSqliteHelper.COLUMN_DESCRIPTION, newsRecord.description);
 		values.put(BashgidSqliteHelper.COLUMN_IMAGE_ID, newsRecord.imageId);
+		values.put(BashgidSqliteHelper.COLUMN_PUBDATE, iso8601Format.format(newsRecord.pubDate));
 		
 		database.insert(BashgidSqliteHelper.TABLE_NEWS, null, values);
 		
@@ -81,7 +88,15 @@ public class NewsDataSource
 	private NewsManager.NewsRecord cursorToNewsRecord(Cursor cursor)
 	{
 
-		NewsManager.NewsRecord newsRecord = new NewsManager.NewsRecord(cursor.getString(1), cursor.getString(2), cursor.getString(3));
+		NewsManager.NewsRecord newsRecord = null;
+		try
+		{
+			newsRecord = new NewsManager.NewsRecord(cursor.getString(1), cursor.getString(2), cursor.getString(3), iso8601Format.parse(cursor.getString(4)));
+		}
+		catch (ParseException e)
+		{
+			e.printStackTrace();
+		}
 
 		return newsRecord;
 	}

android/src/fishrungames/bashgid/core/db/NewsDbRecord.java

@@ -1,9 +1,12 @@
 package fishrungames.bashgid.core.db;
 
+import java.util.Date;
+
 public class NewsDbRecord
 {
 	public long id;
 	public String title;
 	public String description;
 	public String imageId;
+	public Date pubDate;
 }