message: tab button text font size customizable
diff: @@ -33,7 +33,8 @@ const DefaultTabBar = createReactClass({
  return {
  activeTextColor: variable.topTabBarActiveTextColor,
  inactiveTextColor: variable.topTabBarTextColor,
  - backgroundColor: null
  + backgroundColor: null,
  + tabFontSize: variable.tabFontSize
  };
  },
  @@ -52,9 +53,10 @@ const DefaultTabBar = createReactClass({
  ) {
  const headerContent =
  typeof name !== "string" ? name.props.children : undefined;
  - const { activeTextColor, inactiveTextColor } = this.props;
  + const { activeTextColor, inactiveTextColor, tabFontSize } = this.props;
  const textColor = isTabActive ? activeTextColor : inactiveTextColor;
  const fontWeight = isTabActive ? "bold" : "normal";
  + const fontSize = tabFontSize;
  if (typeof name === "string") {
  return (
  <Button
  @@ -66,7 +68,12 @@ const DefaultTabBar = createReactClass({
  style={isTabActive ? activeTabStyle : tabStyle}
  active={isTabActive}
  >
  - <Text style={isTabActive ? activeTextStyle : textStyle}>
  + <Text
  + style={[
  + isTabActive ? activeTextStyle : textStyle,
  + { fontSize: tabFontSize }
  + ]}
  + >
  {name}
  </Text>
  </TabHeading>
  