<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"

     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="com.example.textview.MainActivity" >

     <TextView

         android:layout_width="wrap_content"

         android:layout_height="wrap_content"

         android:layout_marginLeft="200dp"

         android:text="数值" />

     <TextView

         android:id="@+id/tv"

         android:layout_width="match_parent"

         android:layout_height="wrap_content"

         android:layout_marginLeft="200dp"

         android:ellipsize="end"

         android:marqueeRepeatLimit="marquee_forever"

         android:scrollHorizontally="true"

         android:singleLine="true"

         android:text="莫听穿林打叶声,何妨吟啸且徐行,竹杖芒鞋轻胜马,谁怕?一蓑烟雨任平生."

         android:textSize="18sp" />

     <TextView

         android:id="@+id/tv1"

         android:layout_width="match_parent"

         android:layout_height="wrap_content"

         android:layout_marginLeft="200dp"

         android:ellipsize="end"

         android:marqueeRepeatLimit="marquee_forever"

         android:scrollHorizontally="true"

         android:singleLine="true"

         android:text="莫听穿林打叶声,何妨吟啸且徐行,竹杖芒鞋轻胜马,谁怕?一蓑烟雨任平生."

         android:textSize="18sp" />

 </LinearLayout>

 package com.example.textview;

 import android.app.Activity;

 import android.os.Bundle;

 import android.text.TextUtils;

 import android.view.View;

 import android.view.View.OnClickListener;

 import android.widget.TextView;

 public class MainActivity extends Activity {

     private TextView tv, tv1;

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

         initView();

     }

     private void initView() {

         tv = (TextView) findViewById(R.id.tv);

         tv.setOnClickListener(new OnClickListener() {

             @Override

             public void onClick(View v) {

                 // TODO Auto-generated method stub

                 tv.setEllipsize(TextUtils.TruncateAt.MARQUEE);

                 tv.setFocusable(true);

                 tv.setFocusableInTouchMode(true);

                 tv.requestFocus();

             }

         });

         tv1 = (TextView) findViewById(R.id.tv1);

         tv1.setOnClickListener(new OnClickListener() {

             @Override

             public void onClick(View v) {

                 // TODO Auto-generated method stub

                 tv1.setEllipsize(TextUtils.TruncateAt.MARQUEE);

                 tv1.setFocusable(true);

                 tv1.setFocusableInTouchMode(true);

                 tv1.requestFocus();

             }

         });

     }

 }