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Android: Filler / Divider Between Columns in a TableLayout

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Android: Filler / Divider Between Columns in a TableLayout

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Android is pretty tricky to deal with at times, and surprisingly difficult for something very simple..
..like adding a filler between columns in a TableLayout. "Gotta be simpler!" I thought after having spent countless minutes reading up over countless  suggestions and  recipes.
So I took the path of just creating an empty filler.png image in the mspaint, just a vertical bar, and inserting it programmatically:
ImageView dividerView = new ImageView(this);

Then added this to a TableRow object which subsequently should be added to the aforementioned TableLayout.

Before adding a divider:

After adding a divider:

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