Android 颜色透明度(Alpha)级别
示例
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