protected void onDraw(Canvas cs) {
super.onDraw(cs);
// 描画方法の設定
Paint p = new Paint();
p.setColor(Color.BLACK);
p.setStyle(Paint.Style.FILL);
p.setStrokeWidth(8);
// 円の描画
cs.drawCircle(x, y, 50, p);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (paint == null) {
paint = new Paint();
luar =
new LinearGradient(
0.f, 0.f, 0.f, this.getMeasuredHeight(), 0xffffffff, 0xff000000, TileMode.CLAMP);
}
int rgb = Color.HSVToColor(color);
Shader dalam =
new LinearGradient(0.f, 0.f, this.getMeasuredWidth(), 0.f, 0xffffffff, rgb, TileMode.CLAMP);
ComposeShader shader = new ComposeShader(luar, dalam, PorterDuff.Mode.MULTIPLY);
paint.setShader(shader);
canvas.drawRect(0.f, 0.f, this.getMeasuredWidth(), this.getMeasuredHeight(), paint);
}