android - how to disable a element in gridlayout?

Question

i am disigning a calendar application.now i have populated the grid elements.but that grid layout also shows the dates of pervious month.how to disable a particular cell in grid layout? and also if possible let me know how to enable the grid lines? some thing like this image:

Answer 1

Floに同意します。各要素の状態（ブール値）を作成し、それをチェックして決定します：応答/設計。