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2013-01-25T17:41:34.367
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<blockquote> <ol> <li>How to determine that empty grid placeholder in the gridview?</li> </ol> </blockquote> You don't really need to determine that position, you could simply monitor that position. For example your adapter could have a <code>int</code> field representing the position of the empty cell. Initially this field will be <code>8</code>(I'm assuming that the last cell of the <code>GridView</code> is the empty one at start). Whenever there is a change in the position of the empty cell(due to a drag for example) update that <code>int</code> field with the new position. When you need to know the empty cell position just have a look at that int field. <blockquote> <ol> <li>How to place the touched grid in the empty grid placeholder?</li> </ol> </blockquote> I assume you want to do this when the user drags the touched view on the empty cell. As you start the drag the views will receive <code>DragEvents</code>(for which I see that you set a <code>OnDragListener</code>). Knowing the empty cell position(and accordingly its view in the <code>GridView</code>) you could monitor the empty cell's view for a <code>DragEvent</code> with an action of <code>ACTION_DROP</code>. When that happens swap the data of the dragged view with the empty cell data and call <code>notifyDataSetChanged()</code>. Also, keep in mind that your adapter currently doesn't have an empty cell as you have 8 numbers(probably not the best choice as you need to represent an empty cell somehow) in the array that backs it. You need to have 9 values so we have room to swap the empty cell.
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1. PODetermine the empty grid placeholder in the gridview and place the touched grid in the empty grid placeholder
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1. USLuksprog
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1. PODetermine the empty grid placeholder in the gridview and place the touched grid in the empty grid placeholder
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1. COHey @Luksprog, I' ve implemented the above suggesstion and it works! Thanks a lot!
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 USSohaib Rahman

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