Added support for memory saving image presentation: Config.ARGB_4444 …

…- showLowQualityImages(boolean showLowQualityImages)

src/com/androidquery/callback/AbstractAjaxCallback.java

@@ -87,6 +87,7 @@
 import android.app.Dialog;
 import android.content.Context;
 import android.graphics.Bitmap;
+import android.graphics.Bitmap.Config;
 import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.util.Xml;
@@ -152,6 +153,9 @@ public abstract class AbstractAjaxCallback<T, K> implements Runnable{
 	private boolean uiCallback = true;
 	private int retry = 0;
 
+	//Darek
+	private boolean showLowQualityImages;
+
 	@SuppressWarnings("unchecked")
 	private K self(){
 		return (K) this;
@@ -294,6 +298,18 @@ public K retry(int retry){
 		return self();
 	}
 
+	/**
+	 * Darek
+	 *
+	 * @param type the type
+	 * @return self
+	 */
+	public K showLowQualityImages(boolean showLowQualityImages){
+		this.showLowQualityImages = showLowQualityImages;
+		return self();
+	}
+
+
 	/**
 	 * Set the transformer that transform raw data to desired type.
 	 * If not set, default transformer will be used.
@@ -636,8 +652,17 @@ protected T transform(String url, byte[] data, AjaxStatus status){
 
 		if(data != null){
 
-			if(type.equals(Bitmap.class)){			
-				return (T) BitmapFactory.decodeByteArray(data, 0, data.length);
+			if(type.equals(Bitmap.class)){	
+
+				// Solution for out of memory error
+				// http://stackoverflow.com/a/8527745/2075875
+			    BitmapFactory.Options bfOptions=new BitmapFactory.Options();
+			    bfOptions.inDither=false;                     //Disable Dithering mode
+			    bfOptions.inPurgeable=true;                   //Tell to gc that whether it needs free memory, the Bitmap can be cleared
+			    bfOptions.inInputShareable=true;              //Which kind of reference will be used to recover the Bitmap data after being clear, when it will be used in the future
+			    bfOptions.inPreferredConfig =  (showLowQualityImages) ? Config.ARGB_4444 : Config.ARGB_8888;
+
+				return (T) BitmapFactory.decodeByteArray(data, 0, data.length, bfOptions);
 			}
 
 			if(type.equals(JSONObject.class)){