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2012-08-06T23:20:30.453
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2012-08-06T23:20:30.453
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<p>The problem is mostly likely that your getView() method correctly initialises a new cell view but never updates the state of a cell view that has been recycled. So essentially each cell view will only ever display the state it was initialised to. It should look something like this:</p> <pre><code>public View getView(int position, View convertView, ViewGroup parent) { View cell = convertView; if (cell == null) { // No View passed, create one. cell = mInflater.inflate(R.layout.galleryitem, null); // Setup the View content ImageView imageView = (ImageView)cell.findViewById(R.id.thumbImage); CheckBox checkBox = (CheckBox) cell.findViewById(R.id.itemCheckBox); checkBox.setChecked(checkboxesState[position]); checkBox.setId(position); imageView.setImageBitmap(downsample(mThumbIds[position])); // Setup the View behavior imageView.setOnClickListener(new OnClickListener() { public void onClick(View v) { // Uncheck all checked items uncheckAll(); } }); checkBox.setOnClickListener(new OnClickListener() { public void onClick(View v) { CheckBox cb = (CheckBox) v; checkboxesState[cb.getId()] = cb.isChecked(); } }); } else { ImageView imageView = (ImageView)cell.findViewById(R.id.thumbImage); CheckBox checkBox = (CheckBox) cell.findViewById(R.id.itemCheckBox); checkBox.setChecked(checkboxesState[position]); checkBox.setId(position); imageView.setImageBitmap(downsample(mThumbIds[position])); } return cell; } </code></pre> <p>Additionally to improve the performance of your getView() method take a look at this <a href="http://developer.android.com/training/improving-layouts/smooth-scrolling.html#ViewHolder" rel="nofollow">tutorial</a>.</p>
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1. POGridView with custom ImageAdapter doesn't update after dataset changes
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1. USCharles Harley
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1. POGridView with custom ImageAdapter doesn't update after dataset changes
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1. COThanks for your answer. It points in the same direction of the thread I mentioned in my post update and works fine.I didn't know the tutorial. I'll try to apply it to my code.
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  USVicent

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