keyboardr · May 7, 2014 10:15 · May 7, 2014
diff --git a/UriDrawable.java b/UriDrawable.java
@@ -0,0 +1,64 @@
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.LayerDrawable;
+import android.net.Uri;
+import android.util.Log;
+
+import com.squareup.picasso.Picasso;
+import com.squareup.picasso.Picasso.LoadedFrom;
+import com.squareup.picasso.Target;
+
+public class UriDrawable extends LayerDrawable {
+
+	private Resources mResources;
+
+  public UriDrawable(Context context, Uri uri, Drawable placeholder) {
+		this(context, uri, placeholder, null);
+	}
+
+	public UriDrawable(Context context, Uri uri, int placeholderResId) {
+		this(context, uri, context.getResources().getDrawable(placeholderResId));
+	}
+
+	public UriDrawable(Context context, Uri uri, int placeholderResId,
+			int errorResId) {
+		this(context, uri,
+				context.getResources().getDrawable(placeholderResId), context
+						.getResources().getDrawable(errorResId));
+	}
+
+	public UriDrawable(Context context, Uri uri, Drawable placeholder,
+			Drawable error) {
+		super(new Drawable[] { placeholder });
+		Picasso picasso = Picasso.with(context);
+		picasso.setDebugging(BuildConfig.DEBUG);
+		mResources = context.getResources();
+		picasso.load(uri).placeholder(placeholder).error(error).into(mTarget);
+	}
+
+	private Target mTarget = new Target() {
+
+		@Override
+		public void onPrepareLoad(Drawable placeHolderDrawable) {
+			setDrawableByLayerId(getId(0), placeHolderDrawable);
+			invalidateSelf();
+		}
+
+		@Override
+		public void onBitmapLoaded(Bitmap bitmap, LoadedFrom from) {
+			setDrawableByLayerId(getId(0), new BitmapDrawable(mResources,
+					bitmap));
+			invalidateSelf();
+		}
+
+		@Override
+		public void onBitmapFailed(Drawable errorDrawable) {
+			setDrawableByLayerId(getId(0), errorDrawable);
+			invalidateSelf();
+		}
+	};
+
+}