在main.xml中：
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<com.li.paintproject.MyView
android:layout_width="fill_parent"
android:layout_height="wrap_content"/>
</LinearLayout>
在MyPaintDemo.java中：
package com.li.paintproject;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.MenuItem;
import android.support.v4.app.NavUtils;
public class MyPaintDemo extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
}
在MyView.java中：
package com.li.paintproject;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.View;
public class MyView extends View {
public MyView(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawColor(Color.BLACK) ; // 画布为黑色
Paint paint = new Paint() ;
paint.setColor(Color.WHITE); //设置文字颜色
paint.setTextSize(50); //设置文字大小
canvas.drawText("北海文仔", 130,100, paint); //文字左上角坐标（130,100）
}
}