Failed binder transaction when putting an bitmap dynamically in a widget

android bitmap widget
Eby picture Eby · Aug 20, 2010 · Viewed 111.9k times · Source

Can anybody tell me the reason for failed binder transaction error? I can see this error message in logcat. I am getting this error while trying to put an bitmap dynamically in a widget...

Answer

GalDude33 picture GalDude33 · Dec 31, 2011

This is caused because all the changes to the RemoteViews are serialised (e.g. setInt and setImageViewBitmap ). The bitmaps are also serialised into an internal bundle. Unfortunately this bundle has a very small size limit.

You can solve it by scaling down the image size this way:

 public static Bitmap scaleDownBitmap(Bitmap photo, int newHeight, Context context) {

 final float densityMultiplier = context.getResources().getDisplayMetrics().density;        

 int h= (int) (newHeight*densityMultiplier);
 int w= (int) (h * photo.getWidth()/((double) photo.getHeight()));

 photo=Bitmap.createScaledBitmap(photo, w, h, true);

 return photo;
 }

Choose newHeight to be small enough (~100 for every square it should take on the screen) and use it for your widget, and your problem will be solved :)

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