How to check if android checkbox is checked within its onClick method declared in XML

Question

I have a checkbox in android which has the following XML    lt CheckBox    android id    id item check     android layout width  wrap content     android layout height  wrap content     android onClick  itemClicked    gt    This is my onClick   method in my Activity class   public void itemClicked View v        code to check if this checkbox is checked      I am aware that we can create an object of the checkbox and assign id to it  But is there a better way to achieve the functionality when declaring onClick method via XML

User · Answer

You can try this code   public void itemClicked View v       code to check if this checkbox is checked   if   Checkbox v  isChecked           code inside if

User · Answer

try this one     public void itemClicked View v        code to check if this checkbox is checked    CheckBox checkBox    CheckBox v    if checkBox isChecked

User · Answer

BindView R id checkbox id     if you are using Butterknife CheckBox yourCheckBox    Override protected void onCreate  Nullable Bundle savedInstanceState        super onCreate savedInstanceState       setContentView R layout your activity        yourCheckBox    CheckBox findViewById R id checkbox id     If your are not using Butterknife  the traditional way       yourCheckBox setOnClickListener new View OnClickListener              Override         public void onClick View v                yourObject setYourProperty yourCheckBox isChecked       yourCheckBox isChecked   is the method to know if the checkBox is checked             Log d TAG   onClick  yourCheckBox       yourObject getYourProperty                            Obviously you have to make your XML with the id of your checkbox     lt CheckBox     android id    id checkbox id      android layout width  wrap content      android layout height  wrap content      android text  Your label        gt    So  the method to know if the check box is checked is    CheckBox  yourCheckBox isChecked   it returns true if the check box is checked

User · Answer

This will do the trick     public void itemClicked View v        if    CheckBox  v  isChecked              Toast makeText MyAndroidAppActivity this              Checked   Toast LENGTH LONG  show

User · Answer

lt CheckBox       android id    id checkBox1        android layout width  wrap content        android layout height  wrap content        android text  Fees Paid Rs100         android textColor   276ca4        android checked  false        android onClick  checkbox clicked    gt       Main Activity from here      public class RegistA extends Activity   CheckBox fee checkbox    Override     protected void onCreate Bundle savedInstanceState          super onCreate savedInstanceState         setContentView R layout activity regist    fee checkbox    CheckBox findViewById R id checkBox1     Fee Payment Check box        checkbox clicked        public void checkbox clicked View v                   if fee checkbox isChecked                              true do the task                       else

[java] How to check if android checkbox is checked within its onClick method (declared in XML)?

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