十六进制不透明度值
------------------------------ | Alpha(%) | Hex Value | ------------------------------ | 100% | FF | | 95% | F2 | | 90% | E6 | | 85% | D9 | | 80% | CC | | 75% | BF | | 70% | B3 | | 65% | A6 | | 60% | 99 | | 55% | 8C | | 50% | 80 | | 45% | 73 | | 40% | 66 | | 35% | 59 | | 30% | 4D | | 25% | 40 | | 20% | 33 | | 15% | 26 | | 10% | 1A | | 5% | 0D | | 0% | 00 | ------------------------------
如果要将45％设置为红色。
<color name="red_with_alpha_45">#73FF0000</color>
红色的十六进制值-＃FF0000
您可以在前缀中添加73以实现45％的不透明度-＃73FF0000