Stay organized with collections
    
    
      
      Save and categorize content based on your preferences.
    
  
  
    
  
  
  
  
    
    
    
  
  
    
    
    
    Checkable
    interface Checkable
    
    
    
      
        
          
            Known Indirect Subclasses
              
              
                
                  
                    | CheckBox | 
                    
                        A checkbox is a specific type of two-states button that can be either checked or unchecked. 
                     | 
                   
                  
                    | RadioButton | 
                    
                        A radio button is a two-states button that can be either checked or unchecked. 
                     | 
                   
                  
                    | Switch | 
                    
                       A Switch is a two-state toggle widget. 
                     | 
                   
                  
                    | ToggleButton | 
                    
                       Displays checked/unchecked states as a button with a "light" indicator and by default accompanied with the text "ON" or "OFF". 
                     | 
                   
                 
               
             
           | 
        
      
    
    Defines an extension for views that make them checkable.
    Summary
    
      
        
          | Public methods | 
        
        
          | abstract Boolean | 
          
            
            
           | 
        
        
          | abstract Unit | 
          
            
             Change the checked state of the view 
           | 
        
        
          | abstract Unit | 
          
            
             Change the checked state of the view to the inverse of its current state 
           | 
        
      
    
    Public methods
    
      isChecked
      
      abstract fun isChecked(): Boolean
      
        
          
            | Return | 
          
          
            Boolean | 
            The current checked state of the view | 
          
        
      
     
    
      setChecked
      
      abstract fun setChecked(checked: Boolean): Unit
      Change the checked state of the view
      
        
          
            | Parameters | 
          
          
            checked | 
            Boolean: The new checked state | 
          
        
      
     
    
      toggle
      
      abstract fun toggle(): Unit
      Change the checked state of the view to the inverse of its current state
     
  
  
  
    
  
 
  
    
      
      
    
    
      
    
    
  
       
    
    
      
    
  
  
  Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
  Last updated 2025-02-10 UTC.
  
  
  
    
      [[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[]]