Marquee TextView 跑马灯效果

MyTextView.java

package jie.ma.china.view;

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

public class MyTextView extends TextView {

	public MyTextView(Context context) {
		this(context, null);
	}

	public MyTextView(Context context, AttributeSet attrs) {
		this(context, attrs, android.R.attr.textViewStyle);
	}

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

	@Override
	protected void onFocusChanged(boolean focused, int direction,
			Rect previouslyFocusedRect) {
		if (focused)
			super.onFocusChanged(focused, direction, previouslyFocusedRect);
	}

	@Override
	public void onWindowFocusChanged(boolean focused) {
		if (focused)
			super.onWindowFocusChanged(focused);
	}

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


    android:ellipsize="marquee"
    android:singleLine="true"
    android:marqueeRepeatLimit="marquee_forever"