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Radiobutton In Android

What Is Radiobutton?

Radiobutton Groups

Example

1. Create a UI with radio button group, 2 radio buttons (male and female).

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2. On each radio button, add an onclick method.
3. Add RadioButtonClicked event in Java file

public void RadioButtonClicked(View view) {
  RadioButton radioButton = (RadioButton) view;
  if (radioButton.isChecked()) {
    if (radioButton.getId() == R.id.maleRadioButton)
      Toast.makeText(this, "Male Radio Button Clicked", Toast.LENGTH_LONG).show();
    else if (radioButton.getId() == R.id.femaleRadioButton)
      Toast.makeText(this, "Female Radio Button Clicked", Toast.LENGTH_LONG).show();
  }
}

Output