Android uses GridLayout to draw custom calendar controls

design sketch

Idea: first set the number of rows and columns of the GridLayout, then place a certain number of Custom Calendar button controls inside, and finally realize the calendar logic.

Steps:

Step 1: customize the calendar control (Preliminary)

Step 2: customize a single date button control

Step 3: dynamically add the controls obtained in step 2 to the layout of step 1, and implement date logic

Step 4: write a single date click listener interface

Step 1: customize the calendar control (Preliminary)

Rendering: (please ignore listview)

Step 2: customize a single date button control

design sketch:

Step 3: add the control obtained in step 2 to the layout of step 1 in Java code, and add relevant logic

Step 4: write a single date click listener interface

Add method in step 3:

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