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POAndroid ImageView from ListView
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  1. POAndroid ImageView from ListView
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    copied!<p>I'm trying to pass KEY_THUMB_URL to SingleMenuItemActivity.class to show Image onclick listview. I have marked those area //Not Working . Please correct my codings, I'm pretty new to android. </p> <p>CustomizedListView.class</p> <pre><code> public class CustomizedListView extends Activity { // All static variables static final String URL = "http://api.androidhive.info/music/music.xml"; // XML node keys static final String KEY_SONG = "song"; // parent node static final String KEY_ID = "id"; static final String KEY_TITLE = "title"; static final String KEY_ARTIST = "artist"; static final String KEY_DURATION = "duration"; static final String KEY_THUMB_URL = "thumb_url"; ListView list; LazyAdapter adapter; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); ArrayList&lt;HashMap&lt;String, String&gt;&gt; songsList = new ArrayList&lt;HashMap&lt;String, String&gt;&gt;(); XMLParser parser = new XMLParser(); String xml = parser.getXmlFromUrl(URL); // getting XML from URL Document doc = parser.getDomElement(xml); // getting DOM element NodeList nl = doc.getElementsByTagName(KEY_SONG); // looping through all song nodes &lt;song&gt; for (int i = 0; i &lt; nl.getLength(); i++) { // creating new HashMap HashMap&lt;String, String&gt; map = new HashMap&lt;String, String&gt;(); Element e = (Element) nl.item(i); // adding each child node to HashMap key =&gt; value map.put(KEY_ID, parser.getValue(e, KEY_ID)); map.put(KEY_TITLE, parser.getValue(e, KEY_TITLE)); map.put(KEY_ARTIST, parser.getValue(e, KEY_ARTIST)); map.put(KEY_DURATION, parser.getValue(e, KEY_DURATION)); map.put(KEY_THUMB_URL, parser.getValue(e, KEY_THUMB_URL)); // adding HashList to ArrayList songsList.add(map); } list=(ListView)findViewById(R.id.list); // Getting adapter by passing xml data ArrayList adapter=new LazyAdapter(this, songsList); list.setAdapter(adapter); // Click event for single list row list.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView&lt;?&gt; parent, View view, int position, long id) { String title = ((TextView) view.findViewById(R.id.title)).getText().toString(); String description = ((TextView) view.findViewById(R.id.artist)).getText().toString(); // Starting new intent Intent in = new Intent(getApplicationContext(), SingleMenuItemActivity.class); in.putExtra(KEY_TITLE, title); in.putExtra(KEY_THUMB_URL, R.id.list_image); //Modified as told by Nandeesh in.putExtra(KEY_ARTIST, description); startActivity(in); } }); } } </code></pre> <p>SingleMenuItemActivity.class</p> <pre><code> public class SingleMenuItemActivity extends Activity { static final String KEY_TITLE = "title"; static final String KEY_ARTIST = "artist"; static final String KEY_THUMB_URL = "thumb_url"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.single_list_item); Intent in = getIntent(); String title = in.getStringExtra(KEY_TITLE); String description = in.getStringExtra(KEY_ARTIST); // int thumb_image = in.getIntExtra(KEY_THUMB_URL); // ERROR : The method getIntExtra(String, int) in the type Intent is not applicable for the arguments (String) TextView lblName = (TextView) findViewById(R.id.name_label); TextView lblDesc = (TextView) findViewById(R.id.description_label); // ImageView thumb = (ImageView) findViewById(R.id.imageView1); lblName.setText(title); // thumb.setImageResource(thumb_image); //modified as told by Nandeesh lblDesc.setText(description); } } </code></pre> <p>LazyAdapter.class</p> <pre><code> public class LazyAdapter extends BaseAdapter { private Activity activity; private ArrayList&lt;HashMap&lt;String, String&gt;&gt; data; private static LayoutInflater inflater=null; public ImageLoader imageLoader; public LazyAdapter(Activity a, ArrayList&lt;HashMap&lt;String, String&gt;&gt; d) { activity = a; data=d; inflater = (LayoutInflater)activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE); imageLoader=new ImageLoader(activity.getApplicationContext()); } public int getCount() { return data.size(); } public Object getItem(int position) { return position; } public long getItemId(int position) { return position; } public View getView(int position, View convertView, ViewGroup parent) { View vi=convertView; if(convertView==null) vi = inflater.inflate(R.layout.list_row, null); TextView title = (TextView)vi.findViewById(R.id.title); // title TextView artist = (TextView)vi.findViewById(R.id.artist); // artist name TextView duration = (TextView)vi.findViewById(R.id.duration); // duration ImageView thumb_image=(ImageView)vi.findViewById(R.id.list_image); // thumb image HashMap&lt;String, String&gt; song = new HashMap&lt;String, String&gt;(); song = data.get(position); // Setting all values in listview title.setText(song.get(CustomizedListView.KEY_TITLE)); artist.setText(song.get(CustomizedListView.KEY_ARTIST)); duration.setText(song.get(CustomizedListView.KEY_DURATION)); imageLoader.DisplayImage(song.get(CustomizedListView.KEY_THUMB_URL), thumb_image); return vi; } } </code></pre>
 

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