ScrollTextView.java

package com.aiyou.view;

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

/**
 * 跑马灯效果的TextView
 */
public class ScrollTextView extends TextView {

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

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

    public ScrollTextView(Context context) {
        super(context);
    }

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

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

    /**
     * 始终返回true
     */
    @Override
    public boolean isFocused() {
        return true;
    }

}