Use handler to display images in UI thread. This way we don't depend …

…on Activity context. Fixes problems with fragments.
thest1 · Dec 6, 2012 · 232d7f6 · 232d7f6
1 parent b41084d
commit 232d7f6
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/com/fedorvlasov/lazylist/ImageLoader.java b/src/com/fedorvlasov/lazylist/ImageLoader.java
@@ -14,7 +14,7 @@
 import java.util.WeakHashMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
-import android.app.Activity;
+import android.os.Handler;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
@@ -25,7 +25,8 @@ public class ImageLoader {
     MemoryCache memoryCache=new MemoryCache();
     FileCache fileCache;
     private Map<ImageView, String> imageViews=Collections.synchronizedMap(new WeakHashMap<ImageView, String>());
-    ExecutorService executorService; 
+    ExecutorService executorService;
+    Handler handler=new Handler();//handler to display images in UI thread
 
     public ImageLoader(Context context){
         fileCache=new FileCache(context);
@@ -147,8 +148,7 @@ public void run() {
                 if(imageViewReused(photoToLoad))
                     return;
                 BitmapDisplayer bd=new BitmapDisplayer(bmp, photoToLoad);
-                Activity a=(Activity)photoToLoad.imageView.getContext();
-                a.runOnUiThread(bd);
+                handler.post(bd);
             }catch(Throwable th){
                 th.printStackTrace();
             }