CheckBox and RadioButton, radiobutton

CheckBox and RadioButton, radiobutton

How to Use the multiple-choice button CheckBox and common listeners: OnClickListener and OnCheckedChangeListener

Use the LinearLayout layout in activity_main.xml to add three checkboxes.

Use the control object and OnClickListener in MainActivity

 

OnCheckedChangeListener usage:

OnClickListener: triggered when the CheckBox is clicked, including selecting and unselecting

OnCheckedChangeListener: triggered when the CheckBox status changes

 

Job: add the Select All button. Click this button to select all three of the above items.

 

A set of radio buttons, RadioButton, are represented by RadioGroup. Only one

You can also bind android. widget. CompoundButton. OnCheckedChangeListener to RadioButton.