No nonsense, just the code.
AC Group: 386451316
<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"
android:paddingbottom= "@dimen/activity_vertical_margin"
android:paddingleft= "@dimen/activity_horizontal_margin"
android:paddingright= "@dimen/activity_horizontal_margin"
android:paddingtop= "@dimen/activity_vertical_margin"
Tools:context= ". Mainactivity ">
<textview
Android:id= "@+id/tv"
Android:layout_width= "Wrap_content"
android:layout_height= "Wrap_content"
android:text= "@string/hello_world"
Android:textsize= "20DP"
Android:singleline= "true"
Android:ellipsize= "Marquee"
android:marqueerepeatlimit= "Marquee_forever"
Android:focusable= "true"
Android:focusableintouchmode= "true"
/>
</RelativeLayout>
Original address: http://blog.csdn.net/u010982856/article/details/21030193
Android Marquee Effect