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Remove image from gallery on LongClick event

I'm new in android, here i'm using Gallery to show images in my application, working fine but the problem is now I want show some option like remove images from gallery on the LongClick event of the user.

This answer may help you.

Use code to set onLongClickListener on Gallery object

gal.setOnLongClickListener(new OnLongClickListener() 
{

    @Override
    public boolean onLongClick(View v) 
    {
        // Remove element from array and call adapter.notifysetdatachanged() to update
        // Gallery

        return false;
    }
});

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