Android-TextView文本框Demo

package com.lxt008;

import com.lxt008.R;

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

public class TextViewActivity extends Activity
{
    /* 声明TextView对象 */
    private TextView textview;
    
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        /* 获得TextView对象 */
        textview = (TextView)this.findViewById(R.id.textview);
        
        String string = "TextView示例，欢迎使用！";
        
        /* 设置文本的颜色 */
        textview.setTextColor(Color.RED);
        /* 设置字体大小 */
        textview.setTextSize(20);
        /* 设置文字背景 */
        textview.setBackgroundColor(Color.BLUE);
        /* 设置TextView显示的文字 */
        textview.setText(string);
    }
}

<?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/hello"
    />
</LinearLayout>