Android textView点击滚动(跑马灯)效果

布局文件:

 1 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     xmlns:tools="http://schemas.android.com/tools"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:orientation="vertical"
 6     android:paddingBottom="@dimen/activity_vertical_margin"
 7     android:paddingLeft="@dimen/activity_horizontal_margin"
 8     android:paddingRight="@dimen/activity_horizontal_margin"
 9     android:paddingTop="@dimen/activity_vertical_margin"
10     tools:context="com.example.textview.MainActivity" >
11
12     <TextView
13         android:layout_width="wrap_content"
14         android:layout_height="wrap_content"
15         android:layout_marginLeft="200dp"
16         android:text="数值" />
17
18     <TextView
19         android:id="@+id/tv"
20         android:layout_width="match_parent"
21         android:layout_height="wrap_content"
22         android:layout_marginLeft="200dp"
23         android:ellipsize="end"
24         android:marqueeRepeatLimit="marquee_forever"
25         android:scrollHorizontally="true"
26         android:singleLine="true"
27         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."
28         android:textSize="18sp" />
29
30     <TextView
31         android:id="@+id/tv1"
32         android:layout_width="match_parent"
33         android:layout_height="wrap_content"
34         android:layout_marginLeft="200dp"
35         android:ellipsize="end"
36         android:marqueeRepeatLimit="marquee_forever"
37         android:scrollHorizontally="true"
38         android:singleLine="true"
39         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."
40         android:textSize="18sp" />
41
42 </LinearLayout>

代码:

 1 package com.example.textview;
 2
 3 import android.app.Activity;
 4 import android.os.Bundle;
 5 import android.text.TextUtils;
 6 import android.view.View;
 7 import android.view.View.OnClickListener;
 8 import android.widget.TextView;
 9
10 public class MainActivity extends Activity {
11     private TextView tv, tv1;
12
13     @Override
14     protected void onCreate(Bundle savedInstanceState) {
15         super.onCreate(savedInstanceState);
16         setContentView(R.layout.activity_main);
17
18         initView();
19     }
20
21     private void initView() {
22         tv = (TextView) findViewById(R.id.tv);
23         tv.setOnClickListener(new OnClickListener() {
24
25             @Override
26             public void onClick(View v) {
27                 // TODO Auto-generated method stub
28                 tv.setEllipsize(TextUtils.TruncateAt.MARQUEE);
29                 tv.setFocusable(true);
30                 tv.setFocusableInTouchMode(true);
31                 tv.requestFocus();
32
33             }
34         });
35
36         tv1 = (TextView) findViewById(R.id.tv1);
37         tv1.setOnClickListener(new OnClickListener() {
38
39             @Override
40             public void onClick(View v) {
41                 // TODO Auto-generated method stub
42                 tv1.setEllipsize(TextUtils.TruncateAt.MARQUEE);
43                 tv1.setFocusable(true);
44                 tv1.setFocusableInTouchMode(true);
45                 tv1.requestFocus();
46
47             }
48         });
49
50     }
51 }