import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.widget.TextView;
/**
* Created by TONG on 2017/3/19.
*/
public class MyTextView extends TextView {
private Paint mPaint1;
private Paint mPaint2;
public MyTextView(Context context, AttributeSet attrs) {
super(context, attrs);
//在构造方法完成必要对象的初始化操作
mPaint1=new Paint();
mPaint1.setColor(getResources().getColor(android.R.color.holo_blue_light));
mPaint1.setStyle(Paint.Style.FILL);
mPaint2=new Paint();
mPaint2.setColor(Color.YELLOW);
mPaint2.setStyle(Paint.Style.FILL);
}
@Override
protected void onDraw(Canvas canvas) {
//绘制外层矩形
canvas.drawRect(0,0,getMeasuredWidth(),getMeasuredHeight(),mPaint1);
//绘制内层矩形
canvas.drawRect(10,10,getMeasuredWidth()-10,getMeasuredHeight()-10,mPaint2);
canvas.save();
//绘制文字前平移10像素
canvas.translate(10,0);
//父类完成的方法，即绘制文本
super.onDraw(canvas);
canvas.restore();
}
}
Paste_Image.png
