Paint paint = new Paint();
paint.setColor(Color.BLACK);
// 设置画笔透明度以及RGB属性1、a(透明度)1~255越小越透明 。2、R(红色)0~255越小越淡。3、G(绿色)
// 0~255。4、B(蓝色)0~255。
paint.setARGB(200, 5, 100, 230);
// 设置抗锯齿 注：设置这个属性后会消耗大量资源，绘制图形时会变慢。
paint.setAntiAlias(true);
// 设置画笔的大小，也就是粗细。
paint.setStrokeWidth(1);
// 设置画笔的样式。1、STROKE：空心图不填充颜色，
paint.setStyle(Style.STROKE);
// 绘制矩形，1、左边界的位置，2、上边界的位置，3、有边界的位置，4、下边界的位置。
paint.setTextSize(100);
canvas.drawRect(200, 100, 300, 400, paint);
// 绘制一条线，前俩个参数是x,y的起始位置的坐标，后俩个是x,y的终止位置的坐标。
canvas.drawLine(100, 100, 400, 400, paint);
// 绘制圆形，前两个是圆心 x,y坐标，radius：是圆的半径。
canvas.drawCircle(200, 200, 50, paint);
canvas.drawText("appde", 150, 300, paint);
canvas.drawBitmap(BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher),300,100,paint);
Paint backgroundpaint = new Paint();
backgroundpaint.setColor(getResources().getColor(
R.color.BackgroundColor));
canvas.drawRect(0, 0, getWidth(), getHeight(), backgroundpaint);
Paint blackpaint = new Paint();
blackpaint.setColor(getResources().getColor(R.color.black));
Paint strikingpaint = new Paint();
strikingpaint.setColor(getResources().getColor(R.color.Striking));
Paint brightpaint = new Paint();
brightpaint.setColor(getResources().getColor(R.color.Bright));
for (int i = 0; i < 9; i++) {
canvas.drawLine(0, i * height, getWidth(), i * height,
strikingpaint);
canvas.drawLine(0, i * height + 1, getWidth(), i * height + 1, brightpaint);
canvas.drawLine(i * width, 0, i * width, getHeight(), strikingpaint);
canvas.drawLine(i * width + 1, 0, i * width + 1, getHeight(), brightpaint);
}
for (int i = 0; i < 9; i++) {
if (i % 3 != 0) {
continue;
}
canvas.drawLine(0, i * height, getWidth(), i * height, blackpaint);
canvas.drawLine(0, i * height + 1, getWidth(), i * height + 1, brightpaint);
canvas.drawLine(i * width, 0, i * width, getHeight(), blackpaint);
canvas.drawLine(i * width + 1, 0, i * width + 1, getHeight(), brightpaint);
}
Paint textpaint = new Paint();
textpaint.setColor(Color.BLACK);
textpaint.setStyle(Paint.Style.STROKE);
textpaint.setTextSize(height * 0.75f);
textpaint.setTextAlign(Paint.Align.CENTER);
float x = width / 2;
canvas.drawText("1", 3 * width + x, 61, textpaint);
