How to use

getLayoutParams

method

in

android.widget.RadioButton

private void setOptionUseAccountMarginStart(int marginStart) {
  LinearLayout.LayoutParams layoutParams = (LinearLayout.LayoutParams) optionUseAccount.getLayoutParams();
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
    layoutParams.setMarginStart(marginStart);
  } else {
    layoutParams.leftMargin = marginStart;
  }
  optionUseAccount.setLayoutParams(layoutParams);
}

@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  mRadioGroup.setOrientation(HORIZONTAL);
  for (RadioButton button : mColorModeButtons.values()) {
    ViewGroup.LayoutParams layoutParams = button.getLayoutParams();
    layoutParams.width = 0;
  }
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  // If text is wider than button, change layout so that buttons are stacked on
  // top of each other.
  for (RadioButton button : mColorModeButtons.values()) {
    if (button.getLineCount() > 1) {
      mRadioGroup.setOrientation(VERTICAL);
      for (RadioButton innerLoopButton : mColorModeButtons.values()) {
        ViewGroup.LayoutParams layoutParams = innerLoopButton.getLayoutParams();
        layoutParams.width = LayoutParams.MATCH_PARENT;
      }
      break;
    }
  }
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}