How to set a imageButton is an RSS
- by L?c Song
I have a feed_layout.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout
android:baselineAligned="false"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal" >
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical" >
<ImageButton
android:layout_width="138dp"
android:layout_height="138dp"
android:layout_gravity="center"
android:onClick="homeImageButton"
android:scaleType="fitStart"
android:src="@drawable/home"
android:tag="1" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical" >
<ImageButton
android:layout_width="138dp"
android:layout_height="138dp"
android:layout_gravity="center"
android:scaleType="centerCrop"
android:onClick="thegioiImageButton"
android:src="@drawable/home"
android:tag="2" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:baselineAligned="false"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal" >
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical" >
<ImageButton
android:layout_width="138dp"
android:layout_height="138dp"
android:layout_gravity="center"
android:scaleType="centerCrop"
android:onClick="giaitriImageButton"
android:src="@drawable/home"
android:tag="3" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical" >
<ImageButton
android:layout_width="138dp"
android:layout_height="138dp"
android:layout_gravity="center"
android:scaleType="centerCrop"
android:onClick="thethaoImageButton"
android:src="@drawable/home"
android:tag="4" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:baselineAligned="false"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal" >
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical" >
<ImageButton
android:layout_width="138dp"
android:layout_height="138dp"
android:layout_gravity="center"
android:scaleType="centerCrop"
android:onClick="khoahocImageButton"
android:src="@drawable/home"
android:tag="5" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical" >
<ImageButton
android:layout_width="138dp"
android:layout_height="138dp"
android:layout_gravity="center"
android:scaleType="centerCrop"
android:onClick="xeImageButton"
android:src="@drawable/home"
android:tag="6" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
and feedActivity.java
package com.dqh.vnexpressrssreader;
import android.R.string;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ImageButton;
import android.widget.Toast;
public class FeedActivity extends Activity {
public String tagImg;
private static final String TAG = "FeedActivity";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.feed_layout);
}
public void homeImageButton(View v) {
ImageButton imageButtonClicked = (ImageButton)v;
tagImg = imageButtonClicked.getTag().toString();
setTagImg(tagImg);
String tt = getTagImg();
Log.d(TAG, "FeedId: " + tt);
Intent intent = new Intent(getApplicationContext(), ItemsActivity.class);
startActivityForResult(intent, 0);
}
public void thegioiImageButton(View v) {
ImageButton imageButtonClicked = (ImageButton)v;
tagImg = imageButtonClicked.getTag().toString();
//Log.d(TAG, "FeedId: " + imageButtonClicked.getTag());
Log.d(TAG, "FeedId: " + tagImg);
Intent intent = new Intent(getApplicationContext(), ItemsActivity.class);
startActivityForResult(intent, 0);
}
}
and RssReader.java
/**
*
*/
package com.dqh.vnexpressrssreader.reader;
import java.util.ArrayList;
import java.util.List;
import org.json.JSONException;
import org.json.JSONObject;
import com.dqh.vnexpressrssreader.FeedActivity;
import com.dqh.vnexpressrssreader.NewsRssReaderDB;
import com.dqh.vnexpressrssreader.util.RSSHandler;
import com.dqh.vnexpressrssreader.util.Tintuc;
import android.content.Context;
import android.text.Html;
import android.util.Log;
/**
* @author rob
*
*/
public class RssReader {
private final static String TAG = "RssReader";
private final static String BOLD_OPEN = "<B>";
private final static String BOLD_CLOSE = "</B>";
private final static String BREAK = "<BR>";
private final static String ITALIC_OPEN = "<I>";
private final static String ITALIC_CLOSE = "</I>";
private final static String SMALL_OPEN = "<SMALL>";
private final static String SMALL_CLOSE = "</SMALL>";
/**
* This method defines a feed URL and then calles our SAX Handler to read the tintuc list
* from the stream
*
* @return List<JSONObject> - suitable for the List View activity
*/
public static List<JSONObject> getLatestRssFeed(Context context) {
NewsRssReaderDB newsRssReaderDB = new NewsRssReaderDB(context);
List<Tintuc> tintucsFromDB = newsRssReaderDB.getLists();
return fillData(tintucsFromDB);
}
public static void getLatestRssFeed(Context context, String feed) {
NewsRssReaderDB newsRssReaderDB = new NewsRssReaderDB(context);
feed = "http://vnexpress.net/rss/the-gioi.rss";
//RSS 2 feed = "http://vnexpress.net/rss/the-thao.rss";
//RSS 3 feed = "http://vnexpress.net/rss/home.rss";
RSSHandler rh = new RSSHandler();
List<Tintuc> tintucs = rh.getLatestTintucs(feed);
if ((tintucs != null) && (tintucs.size() > 0)) {
for (Tintuc tintuc : tintucs) {
if ((tintuc.getUrl() != null) && !newsRssReaderDB.checkUrlExist(tintuc.getUrl().toString())) {
long tintucId = newsRssReaderDB.insertTintuc(tintuc);
if (tintucId > 0) {
Log.d(TAG, "saved tintucId: " + tintucId);
} else {
Log.e(TAG, "saved tintucId fail");
}
} else {
Log.e(TAG, "tintucs exist!");
}
}
}
}
/**
* This method takes a list of Tintuc objects and converts them in to the
* correct JSON format so the info can be processed by our list view
*
* @param tintucs - list<Tintuc>
* @return List<JSONObject> - suitable for the List View activity
*/
private static List<JSONObject> fillData(List<Tintuc> tintucs) {
List<JSONObject> items = new ArrayList<JSONObject>();
for (Tintuc tintuc : tintucs) {
JSONObject current = new JSONObject();
try {
buildJsonObject(tintuc, current);
} catch (JSONException e) {
Log.e("RSS ERROR", "Error creating JSON Object from RSS feed");
}
items.add(current);
}
return items;
}
/**
* This method takes a single Tintuc Object and converts it in to a single JSON object
* including some additional HTML formating so they can be displayed nicely
*
* @param tintuc
* @param current
* @throws JSONException
*/
private static void buildJsonObject(Tintuc tintuc, JSONObject current) throws JSONException {
String title = tintuc.getTieude();
String description = tintuc.getMota();
/////////////////////////
//////// 2 /////////////
String date = tintuc.getPubDate();
String imgLink = tintuc.getImgLink();
StringBuffer sb = new StringBuffer();
sb.append(BOLD_OPEN).append(title).append(BOLD_CLOSE);
sb.append(BREAK);
sb.append(description);
sb.append(BREAK);
sb.append(SMALL_OPEN).append(ITALIC_OPEN).append(date).append(ITALIC_CLOSE).append(SMALL_CLOSE);
current.put("text", Html.fromHtml(sb.toString()));
current.put("imageLink", imgLink);
current.put("url", tintuc.getUrl().toString());
current.put("title", tintuc.getTieude());
}
}
I have 1 array RSS and I want each ImageButton is assigned a Rss??.
I have attempt to call to FeedActivity from RSSReader but not be
help me !
