How to use

onMeasure

method

in

android.widget.RadioButton

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  if (delegate != null && delegate.getWidthHeightEqualEnable() && getWidth() > 0 && getHeight() > 0) {
    int max = Math.max(getWidth(), getHeight());
    int measureSpec = MeasureSpec.makeMeasureSpec(max, MeasureSpec.EXACTLY);
    super.onMeasure(measureSpec, measureSpec);
    return;
  }
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  int iconSide = Math.min(getMeasuredWidth() - getPaddingLeft()
      - getPaddingRight(), getMeasuredHeight() - getPaddingTop()
      - getPaddingBottom() - mTextRect.height());
  int left = getMeasuredWidth() / 2 - iconSide / 2;
  int top = (getMeasuredHeight() - mTextRect.height()) / 2 - iconSide / 2;
  int right = left + iconSide;
  int bottom = top + iconSide;
  mIconRect.set(left, top, right, bottom);
}