Android滑动页面导航效果: PagerSlidingTabStrip

把github上的PagerSlidingTabStrip稍作修改：

tab的文字颜色选中变色（原版文字不变色）,类似微信导航

栗子：http://download.csdn.net/detail/onlyonecoder/7722021

PagerSlidingTabStrip 自定义属性列表：

pstsIndicatorColor

Color of the sliding indicator

pstsUnderlineColor

Color of the full-width line on the bottom of the view

pstsDividerColor

Color of the dividers between tabs

pstsIndicatorHeight

Height of the sliding indicator

pstsUnderlineHeight

Height of the full-width line on the bottom of the view

pstsDividerPadding

Top and bottom padding of the dividers

pstsTabPaddingLeftRight

Left and right padding of each tab

pstsScrollOffset

Scroll offset of the selected tab

pstsTabBackground

Background drawable of each tab, should be a StateListDrawable

pstsShouldExpand

If set to true, each tab is given the same weight, default false

pstsTextAllCaps

If true, all tab titles will be upper case, default true

修改后加了一个属性 selectedTabTextColor

如果不设置 默认和 滑动指示器颜色（pstsIndicatorColor）一致

下图效果的代码：

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res/org.lmw.demo.slidingtab">

<org.lmw.demo.slidingtab.widget.PagerSlidingTabStrip
android:id="@+id/tabs"
android:layout_width="match_parent"
android:layout_height="40dp"
app:pstsShouldExpand="true"
app:pstsUnderlineHeight="2dp"
app:pstsIndicatorHeight="2dp"
app:pstsIndicatorColor="@android:color/holo_blue_light"
app:selectedTabTextColor="@android:color/holo_blue_light"
app:pstsDividerColor="@android:color/transparent"
app:pstsTabBackground="@drawable/background_tab"
android:background="@android:color/white"
/>

<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/tabs" />

</RelativeLayout>