public class AndroidLoadImageFromURLActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // Loader image - will be shown before loading image int loader = R.drawable.loader; // Imageview to show ImageView image = (ImageView) findViewById(R.id.image); // Image url String image_url = "http://10.0.2.2/biyeshejidata/www.png"; // ImageLoader class instance ImageLoader imgLoader = new ImageLoader(getApplicationContext()); // whenever you want to load an image from url // call DisplayImage function // url - image url to load // loader - loader image, will be displayed before getting image // image - ImageView imgLoader.DisplayImage(image_url, loader, image); }}
View code
1 public class AndroidLoadImageFromURLActivity extends Activity { 2 @Override 3 public void onCreate(Bundle savedInstanceState) { 4 super.onCreate(savedInstanceState); 5 setContentView(R.layout.main); 6 7 // Loader image - will be shown before loading image 8 int loader = R.drawable.loader; 9 10 // Imageview to show11 ImageView image = (ImageView) findViewById(R.id.image);12 13 // Image url14 String image_url = "http://10.0.2.2/biyeshejidata/www.png";15 16 // ImageLoader class instance17 ImageLoader imgLoader = new ImageLoader(getApplicationContext());18 19 // whenever you want to load an image from url20 // call DisplayImage function21 // url - image url to load22 // loader - loader image, will be displayed before getting image23 // image - ImageView 24 imgLoader.DisplayImage(image_url, loader, image);25 }26 }
View code
1 public class FileCache { 2 3 private File cacheDir; 4 5 public FileCache(Context context){ 6 //Find the dir to save cached images 7 8 if (android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED)) 9 cacheDir=new File(android.os.Environment.getExternalStorageDirectory(),"data");10 else11 cacheDir=context.getCacheDir();12 if(!cacheDir.exists())13 cacheDir.mkdirs();14 }15 16 public File getFile(String url){17 String filename=String.valueOf(url.hashCode());18 File f = new File(cacheDir, filename);19 return f;20 21 }22 23 public void clear(){24 File[] files=cacheDir.listFiles();25 if(files==null)26 return;27 for(File f:files)28 f.delete();29 }30 31 }
View code
1 public class MemoryCache { 2 private Map<String, SoftReference<Bitmap>> cache=Collections.synchronizedMap(new HashMap<String, SoftReference<Bitmap>>()); 3 4 public Bitmap get(String id){ 5 if(!cache.containsKey(id)) 6 return null; 7 SoftReference<Bitmap> ref=cache.get(id); 8 return ref.get(); 9 }10 11 public void put(String id, Bitmap bitmap){12 cache.put(id, new SoftReference<Bitmap>(bitmap));13 }14 15 public void clear() {16 cache.clear();17 }18 }
View code
1 public class Utils { 2 public static void CopyStream(InputStream is, OutputStream os) 3 { 4 final int buffer_size=1024; 5 try 6 { 7 byte[] bytes=new byte[buffer_size]; 8 for(;;) 9 {10 int count=is.read(bytes, 0, buffer_size);11 if(count==-1)12 break;13 os.write(bytes, 0, count);14 }15 }16 catch(Exception ex){}17 }18 }