How to use

getTag

method

in

android.widget.RadioButton

@Override
 public void onCheckedChanged(CompoundButton compoundButton, boolean isChecked) {
   if (isChecked) {
     for (RadioButton btn : mGroup)
       if (!btn.getTag().equals(compoundButton.getTag()))
         btn.setChecked(false);
   }
 }

  @Override
  public void onCheckedChanged(RadioGroup group, int checkedId) {
    RadioButton checked = (RadioButton) group.findViewById(checkedId);
    mDevice = (BluetoothDevice) checked.getTag();
  }
});

@Override
public void onViewStateRestored(@Nullable Bundle savedInstanceState) {
  super.onViewStateRestored(savedInstanceState);
  // Restore instance state after the fragment tries to to avoid any UI weirdness.
  if (savedInstanceState != null) {
    valueWasSelected = savedInstanceState.getBoolean(KEY_VALUE_WAS_SELECTED, false);
    selectedValue = savedInstanceState.getInt(KEY_SELECTED_VALUE, 0);
  }
  for (int i = 0; i < radioGroup.getChildCount(); i++) {
    RadioButton radioButton = (RadioButton) radioGroup.getChildAt(i);
    if (valueWasSelected && (int) radioButton.getTag() == selectedValue) {
      radioButton.setChecked(true);
      return;
    }
  }
}

@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
  RadioButton rb = (RadioButton) group.getChildAt(checkedId);
  if (rb.isChecked()) {
    chooseFragment(String.valueOf(rb.getTag()));
  }
}

  @Override
  public void onCheckedChanged(RadioGroup rg, int i) {
    RadioButton rb = (RadioButton) findViewById(i);
    if (rb.isChecked()) {
      if (listener != null) {
        listener.groupBtnClick(rb.getTag().toString());
      }
    }
  }
});

  @Override
  public void onCheckedChanged(RadioGroup group, int checkedId) {
    for (int i = 0; i < group.getChildCount(); i++) {
      RadioButton child = (RadioButton) group.getChildAt(i);
      child.setChecked(child.getId() == checkedId);
      if (child.getId() == checkedId)
        selectedPreference = (String) child.getTag();
    }
  }
});

RadioButton radioButton = radioButtons.get(i);
if (radioButton
    .getTag()
    .toString()
    .equalsIgnoreCase(