Dynamically adding Images to GridView

by Gaurav » Sat, 14 Mar 2009 02:09:50 GMT

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 I have a Gallery and a GridView in my application. Gallery's adapter
is based on thumbnail cursor created through query using

I use this Gallery to choose images to display in GridView. Whenever
the user clicks on an  image in the Gallery I have to add this image
to GridView. Currently, I use an ArrayAdapter<Integer> to store the
images in the GridView. The value stored as objects in the
ArrayAdapter is the _ID of the thumbnail and getView on GridView looks
like this:

        public View getView(int position, View convertView, ViewGroup
parent) {

                ImageView i = new ImageView(mContext);

                System.out.println("I am in get view:" + position);
                int thumbnailId = getItem(position);
"" + thumbnailId));
                i.setLayoutParams(new GridView.LayoutParams(80, 80));
                return i;

Whenever I click on an item in Gallery, getView is called for all
visible positions in the GridView (9 images). After, 12-13 images are
added to the gridview and I scroll up and down, I get an
OutOfMemoryError. Can someone suggest how I can rework to avoid memory
errors here.

03-13 02:29:45.456: ERROR/dalvikvm-heap(487): 338322-byte external
allocation too large for this process.
03-13 02:29:45.456: ERROR/(487): VM won't let us allocate 338322 bytes
03-13 02:29:45.466: DEBUG/skia(487): xxxxxxxxxxxxxxxxxxxx
allocPixelRef failed
03-13 02:29:58.845: DEBUG/AndroidRuntime(487): Shutting down VM
03-13 02:29:58.845: WARN/dalvikvm(487): threadid=3: thread exiting
with uncaught exception (group=0x4000fe68)
03-13 02:29:58.845: ERROR/AndroidRuntime(487): Uncaught handler:
thread main exiting due to uncaught exception
03-13 02:29:59.045: ERROR/AndroidRuntime(487):
java.lang.OutOfMemoryError: bitmap size exceeds VM budget
03-13 02:29:59.045: ERROR/AndroidRuntime(487):     at
android.graphics.BitmapFactory.nativeDecodeStream(Native Method)
03-13 02:29:59.045: ERROR/AndroidRuntime(487):     at
03-13 02:29:59.045: ERROR/AndroidRuntime(487):     at
03-13 02:29:59.045: ERROR/AndroidRuntime(487):     at
03-13 02:29:59.045: ERROR/AndroidRuntime(487):     at


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