How to programmatically add cells (Views) and rows in TableLayout

 Following are the steps for programmatically adding rows in a TableLayout:

1. Manually include a TableLayout in your main.xml file with an id, say, "TableLayout01". Obtain a reference to the TableLayout as:
       
    table = (TableLayout) findViewById(R.id.TableLayout01); 

Note: Ensure to define the variable "table" outside onCreate() inside the class as: TableLayout table;

How to display grids on TableLayouts

Android TableLayouts apparently do not have an option to show grids on the tables. In the following example, grid-like appearance is creates by setting margins around each TextView inside the table, and setting different background colors for the TableLayout and the TextViews.