A ViewPager allow croll vertical not use ViewPager.PageTransformer
in your file gradle :
android {
...
repositories {
maven {
url 'https://dl.bintray.com/dangngocduc/maven'
}
}
}
add line below to dependencies
compile 'android.dangngocduc:viewpagervertical:2.1.0'
Using this library like Viewpager support v4
<viewpager.dangngocduc.android.library.ViewPagerVertical
android:id="@+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>