这样子

红色区域全黑了

//新定义的类

package com.immo.marqueetextview;

import android.content.Context;

import android.util.AttributeSet;

import android.view.TextureView;

public class MarqeeText extends TextureView{

public MarqeeText(Context context) {

super(context);

// TODO Auto-generated constructor stub

}

public MarqeeText(Context context, AttributeSet attrs, int defStyle) {

super(context, attrs, defStyle);

// TODO Auto-generated constructor stub

}

public MarqeeText(Context context, AttributeSet attrs) {

super(context, attrs);

// TODO Auto-generated constructor stub

}

@Override

public boolean isFocused() {

// TODO Auto-generated method stub

return true;

}

}

//xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:id="@+id/container"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    tools:context=".MainActivity"

    tools:ignore="MergeRootFrame" >

    <com.immo.marqueetextview.MarqeeText

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:singleLine="true"

        android:ellipsize="marquee"

        android:focusable="true"

        android:focusableInTouchMode="true"

        android:text="@string/TextView" />

    <com.immo.marqueetextview.MarqeeText

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentLeft="true"

        android:layout_alignParentTop="true"

        android:ellipsize="marquee"

        android:focusable="true"

        android:focusableInTouchMode="true"

        android:singleLine="true"

        android:text="@string/TextView" />

</RelativeLayout>

//main

package com.immo.marqueetextview;

import android.app.Activity;

import android.os.Bundle;

import android.view.Menu;

public class MainActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

}

代码贴出来看看