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>