public class MarqueeTextView extends TextView {

 public MarqueeTextView(Context con) {
  super(con);
 }

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

 public MarqueeTextView(Context context, AttributeSet attrs, int defStyle) {
  super(context, attrs, defStyle);
 }

 @Override
 public boolean isFocused() {
  // TODO Auto-generated method stub
  if(getEditableText().equals(TruncateAt.MARQUEE)){
   return true;
  }
  return super.isFocused();
 }
}

<LinearLayout 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:orientation="vertical">
 <FrameLayout
  android:id="@+id/titlebar_layout"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:background="#39ac69" >
  <LinearLayout

   android:layout_width="match_parent"
   android:layout_height="50dp"
   android:background="#ffffff"
   android:gravity="center_vertical"
   android:orientation="horizontal" >

   <ImageView
    android:id="@+id/home_location_iv"
    android:layout_width="25dp"
    android:layout_height="27dp"
    android:layout_marginLeft="10dp"
    android:scaleType="fitXY"
    android:src="@drawable/icon_place" />

   <com.lxj.marqueetextview.MarqueeTextView
    android:id="@+id/home_location_tv"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_marginLeft="10dp"
    android:layout_marginRight="10dp"
    android:layout_weight="1"
    android:ellipsize="marquee"
    android:focusable="true"
    android:focusableInTouchMode="true"
    android:gravity="center"
    android:marqueeRepeatLimit="marquee_forever"
    android:scrollHorizontally="true"
    android:singleLine="true"
    android:text="正在定位..."
    android:textColor="#39ac69"
    android:textSize="18sp" />

   <ImageView
    android:id="@+id/home_search_iv"
    android:layout_width="25dp"
    android:layout_height="27dp"
    android:layout_marginRight="10dp"
    android:scaleType="fitXY"
    android:src="@drawable/icon_place" />
  </LinearLayout>
</FrameLayout>
</LinearLayout>