主要代码:
package com.example.myapplication;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.View;
public class MyView extends View{
public MyView(Context context){
super(context);
}
protected void onDraw(Canvas canvas){
Paint paint=new Paint();
paint.setColor(Color.BLUE);
paint.setARGB(150,0,100,200);
paint.setStyle(Paint.Style.FILL);
paint.setStrokeWidth(10);
paint.setTextSize(100);
canvas.drawText("Window xp",50,180,paint);
canvas.drawLine(0,200,600,200,paint);
canvas.drawLine(0,220,600,220,paint);
super.onDraw(canvas);
}
}