<TextView
   android:id="@+id/alarm_location"
   android:layout_width="20dp"
   android:padding="@dimen/space_4"
   android:layout_height="wrap_content"
   app:layout_rowWeight="2"
   app:layout_columnWeight="2"
   android:text="0"
   android:ellipsize="marquee"
   android:focusableInTouchMode="true"
   android:singleLine="true"
   android:focusable="true"/>

package edu.hrbeu.ice.mobilecar.widget;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.TextView;

/**
 * @author 编写人： xiaox
 * @date 创建时间： 2017/1/10
 * @Description 功能描述： 该类
 */

public class TextViewSlide extends TextView {
 public TextViewSlide(Context context) {
  super(context);
 }

 public TextViewSlide(Context context, AttributeSet attrs) {
  super(context, attrs);
 }

 @Override
 public boolean isFocused() {
  return true;
 }
}

 <edu.hrbeu.ice.mobilecar.widget.TextViewSlide
  android:id="@+id/alarm_type"
  android:layout_width="@dimen/item_width"
  android:layout_height="wrap_content"
  android:gravity="center_horizontal"
  android:layout_gravity="center_vertical"
  android:layout_weight="1"
  android:padding="8dp"
  android:marqueeRepeatLimit="marquee_forever"
  android:ellipsize="marquee"
  android:scrollHorizontally="true"
  android:focusableInTouchMode="true"
  android:singleLine="true"
  tool:text="asda" />