CustomTabLayout

自定义TabLayout

  <declare-styleable name="CustomTabLayout">
    <attr name="ctlTextSize" format="integer"/>
    <attr name="ctlTextColor" format="color"/>
    <attr name="ctlTvBackground" format="color"/>
    <attr name="ctlTextStyle" format="enum">
        <enum name="normal" value="0"/>
        <enum name="bold" value="1"/>
    </attr>
    <attr name="ctlUnderlineWidth" format="integer"/>
    <attr name="ctlUnderlineHeight" format="integer"/>
    <attr name="ctlUnderlineColor" format="color"/>
    <attr name="ctlUnderlineDuration" format="integer"/>
    <attr name="ctlHorizontalSpace" format="integer"/>
</declare-styleable>

支持设置：
字体大小，字体颜色，TextView背景色，是否粗体
下划线宽度，下划线高度，下划线颜色（文字选中色与下划线一致）,下划线移动时间，tab之间的水平宽度

 private void initData() {
    //设置tab标签
    mTabLayout.setTitleArr(new String[]{"title0", "title1", "title2", "title3",
            "title4", "title5", "title6", "title7", "title8", "title9"});

    //tab点击事件
    mTabLayout.setOnTabClickListener(new CustomTabLayout.OnTabClickListener() {
        @Override
        public void tabClick(int position, String str) {
            //与ViewPager的联动
            mViewPager.setCurrentItem(position);
        }
    });

    //如果初始下划线position不为0，则调该方法调整初始position
    mTabLayout.initUnderlinePosition(1);
}

private void initViewPager() {
    FragmentManager manager = getSupportFragmentManager();
    List<Fragment> fragmentList = new ArrayList<>();
    for (int i = 0; i < 10; i++) {
        fragmentList.add(new TestFragment());
    }
    mViewPager.setAdapter(new MainVpAdapter(manager, fragmentList));
    mViewPager.setOffscreenPageLimit(9);
    mViewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
        @Override
        public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

        }

        @Override
        public void onPageSelected(int position) {
            //与viewpager联动
            mTabLayout.moveToPosition(position);
        }

        @Override
        public void onPageScrollStateChanged(int state) {

        }
    });
}