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Radio button error message android

getCheckedRadioButtonId( ) < = 0) { / / Grp is your radio group object lastRadioBtn. setError( " Select Item" ) ; / / Set error to last Radio button }. RadioGroup and the button is in layout part for Dialog. Dialog adc = new Dialog( this) ; adc. setContentView( R. config_ dialog) ; RadioGroup rg1 = ( RadioGroup) adc. radioGroup1) ; / / check. When i click Male Radio Button, it shows results perfectly But when i check female radio button then its showing nothing or you can say its not working and even not showing any error. I don' t know whats wrong with my code. I want to execute Line2 if the radio button Yes is checked, any ideas why this method isn' t working? that this question ' shouldn' t be answered' on the basis of the problem simply being a typo, I Googled the error message and the top hit was. Code below check if RadioGroup had been checked and also sets error if not. You are trying to cast a RadioButton to a Checkbox, which will give you a ClassCastException error. Change your code to this: / / Is the view now checked? boolean checked = ( ( RadioButton) view).

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    Error message button

    UX Answer: It is preferable to have a default option selected in a group of radio buttons. There are some instances not. If the user doesn' t make a selection, display an error message to force one. The user interface ( UI) must. When the user selects one of the radio buttons, the corresponding RadioButton object receives an on- click event. To define the click event handler for a button, add the android: onClick attribute to the < RadioButton> element in. To display the seterror for checkbox and radiobutton its working. Your code also right for displaying set error. CheckBox cb= ( CheckBox) findViewById( R. setError( " error" ) ;. At first only the error icon will be. I think the problem is with btn_ practicerg object i. e if you are creating new RadioGroup object everytime you display a new question then you have to execute RadioGroup. clearCheck( ) on new btn_ practicerg object instead of.