android跑马灯

package com.lx;

import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

public class TextViewActivity extends Activity {
private TextView text;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.textview);
text = (TextView)findViewById(R.id.textView);

}
}

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView android:id="@+id/textView"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/text"
android:singleLine="true"
android:textSize="20sp"
android:focusable="true"
android:ellipsize="marquee"
android:marqueeRepeatLimit="marquee_forever"
android:textColor="#00ff00"
android:scrollHorizontally="true"
android:focusableInTouchMode="true"
>

</TextView>
</LinearLayout>

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