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POLoad Bitmap Image From SDCard To ListView Android
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  1. POLoad Bitmap Image From SDCard To ListView Android
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    copied!<p>I am trying to load bitmap image to listview from sdcard but imageview is not showing image. </p> <p>Here is my code to get image from SDCard:</p> <pre><code>public static Bitmap getArtwork(Context context, int album_id) { ContentResolver res = context.getContentResolver(); Uri uri = ContentUris.withAppendedId(sArtworkUri, album_id); if (uri != null) { InputStream in = null; try { in = res.openInputStream(uri); return BitmapFactory.decodeStream(in, null, sBitmapOptions); } catch (FileNotFoundException ex) { // The album art thumbnail does not actually exist. Maybe the user deleted it, or // maybe it never existed to begin with. } finally { if (in != null) { try { in.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } return null; } </code></pre> <p>Code to display Image and text in listview :</p> <pre><code>public class AlbumList extends ListActivity{ public final ArrayList&lt;HashMap&lt;String, Object&gt;&gt; songsList = new ArrayList&lt;HashMap&lt;String, Object&gt;&gt;(); public final ArrayList&lt;HashMap&lt;String, Object&gt;&gt; songsListData = new ArrayList&lt;HashMap&lt;String, Object&gt;&gt;(); private Context context; ListAdapter adapter; private static final BitmapFactory.Options sBitmapOptions = new BitmapFactory.Options(); private static final Uri sArtworkUri = Uri.parse("content://media/external/audio/albumart"); //Context contentResolver; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.list); context = this; final String[] cursor_cols = { MediaStore.Audio.Media._ID, MediaStore.Audio.Media.ARTIST, MediaStore.Audio.Media.ALBUM, MediaStore.Audio.Media.TITLE, MediaStore.Audio.Media.DATA, MediaStore.Audio.Media.ALBUM_ID, MediaStore.Audio.Media.DURATION }; Cursor cursor = managedQuery(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, cursor_cols, null, null, null); if (cursor == null) { //Query Failed , Handle error. } else if (!cursor.moveToFirst()) { //No media on the device. } else { int albumName = cursor.getColumnIndex(MediaStore.Audio.Media.ALBUM); int id = cursor.getColumnIndex(MediaStore.Audio.Media.ALBUM_ID); for(int i=0;i&lt;cursor.getCount();i++) { String Name = cursor.getString(albumName); Integer albumid = cursor.getInt(id); Bitmap bitmap = null; bitmap = getArtwork(context, albumid); if(bitmap == null) { bitmap = BitmapFactory.decodeResource(context.getResources(),R.drawable.icon); } // ImageView iv = (ImageView) findViewById(R.id.list_image); // iv.setImageBitmap(bitmap); HashMap&lt;String, Object&gt; song = new HashMap&lt;String, Object&gt;(); song.put("albumArt", bitmap); song.put("albumName", Name); // Adding each song to SongList songsList.add(song); cursor.moveToNext(); } } cursor.close(); // looping through playlist for (int i = 0; i &lt; songsList.size(); i++) { // creating new HashMap HashMap&lt;String, Object&gt; song = songsList.get(i); // adding HashList to ArrayList songsListData.add(song); } // Adding menuItems to ListView String[] from = {"albumArt" , "albumName" }; int[] to={R.id.list_image , R.id.albumName}; adapter = new SimpleAdapter(this, songsListData,R.layout.list_item, from, to); setListAdapter(adapter); } </code></pre> <p>I have tried to display single image in imageview which works for same code. But for listview i am not getting image. So what should i do?? Pleaze suggest me some solution. Thanx.</p>
 

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