Android(安卓)常用参考文档
16lz
2022-06-14
本文记录安卓开发过程中常用的参考数据。
1. API Level 与系统版本号对应关系
| 系统版本号 | API Level | 版本代号 | 发布时间 |
|---|---|---|---|
| Android 6.0 | 23 | M | 2015.10 |
| Android 5.1 | 22 | Lollipop_mr1 | |
| Android 5.0 | 21 | Lollipop | |
| Android 4.4w | 20 | KITKAT_WATCH | |
| Android 4.4 | 19 | KITKAT | |
| Android 4.3 | 18 | JELLY_BEAN_MR2 | |
| Android 4.2, 4.3 | 17 | JELLY_BEAN_MR1 | |
| Android 4.1, 4.1.1 | 16 | JELLY_BEAN | |
| Android 4.0.3, 4.0.4 | 15 | ICE_CREAM_SANDWITCH_MR1 | |
| Android 4.0, 4.0.1, 4.0.2 | 15 | ICE_CREAM_SANDWITCH | |
| Android 3.2 | 13 | HONEYCOMB_MR2 | |
| Android 3.1.X | 12 | HONEYCOMB_MR1 | |
| Android 3.0.X | 11 | HONEYCOMB | |
| Android 2.3.3, 2.3.4 | 10 | GINGERBREAD_MR1 | |
| Android 2.3, 2.3.1, 2.3.2 | 9 | GINGERBREAD | |
| Android 2.2.X | 8 | FROYO | |
| Android 2.1.X | 7 | ECLAIR_MR1 | |
| Android 2.0.1 | 6 | ECLAIR_0_1 | |
| Android 2.0 | 5 | ECLAIR | |
| Android 1.6 | 4 | DONUT | |
| Android 1.5 | 3 | CUPCAKE | |
| Android 1.1 | 2 | BASE_1_1 | |
| Android 1.0 | 1 | BASE | 2008.09 |
戳我查看官方文档
2. dp和px换算关系对照表
为了适配多种分辨率，我们要按照 3:4:6:8 的比例来为上述资源文件夹设计图片文件，具体如下：
| 分辨率 | DPI | 示例设备 | 换算比例 | 像素 | 备注 |
|---|---|---|---|---|---|
| ldpi | 120 | Galaxy Y | 0.75x | 1dp = 0.75px | |
| mdpi | 160 | Galaxy Tab | 1.0x | 1dp = 1px | |
| hdpi | 240 | Galaxy S II | 1.5x | 1dp = 1.5px | |
| xhdpi | 320 | Nexus 4 | 2.0x | 1dp = 2px | 720p |
| xxhdpi | 480 | Nexus 5 | 3.0x | 1dp = 3px | 1080p |
| xxxhdpi | 640 | Nexus 6 | 4.0x | 1dp = 4px |
3. 图标尺寸一览表
Launcher icons
Three-dimensional, front view, with a slight perspective as if viewed from above, so that users perceive some depth.
| 尺寸(px) | 格式 | 备注 |
|---|---|---|
| 48 × 48 (mdpi) | .png | |
| 72 × 72 (hdpi) | .png | |
| 96 × 96 (xhdpi) | .png | |
| 144 × 144 (xxhdpi) | .png | |
| 192 × 192 (xxxhdpi) | .png | |
| 512 × 512 (Google Play store) | .png |
Action bar, Dialog & Tab icons
These icons are used in the action bar menu. The first number is the size of the icon area, and the second is file size.
| 尺寸(px) | 格式 | 备注 |
|---|---|---|
| 24 × 24 area in 32 × 32 (mdpi) | .png | |
| 36 × 36 area in 48 × 48 (hdpi) | .png | |
| 48 × 48 area in 64 × 64 (xhdpi) | .png | |
| 72 × 72 area in 96 × 96 (xxhdpi) | .png | |
| 96 × 96 area in 128 × 128 (xxxhdpi) | .png |
Small Contextual Icons
Small icons are used to surface actions and/or provide status for specific items. For example, in the Gmail app, each message has a star icon that marks the message as important.
| 尺寸(px) | 格式 | 备注 |
|---|---|---|
| 16 × 16 (mdpi) | .png | |
| 24 × 24 (hdpi) | .png | |
| 32 × 32 (xhdpi) | .png | |
| 48 × 48 (xxhdpi) | .png | |
| 64 × 64 (xxxhdpi) | .png |
Notification icons
These are used to represent application notifications in the status bar. They should be flat (no gradients), white and face-on perspective.
| 尺寸(px) | 格式 | 备注 |
|---|---|---|
| 22 × 22 area in 24 × 24 (mdpi) | .png | |
| 33 × 33 area in 36 × 36 (hdpi) | .png | |
| 44 × 44 area in 48 × 48 (xhdpi) | .png | |
| 66 × 66 area in 72 × 72 (xxhdpi) | .png | |
| 88 × 88 area in 96 × 96 (xxxhdpi) | .png |
参考文献：
- http://iconhandbook.co.uk/reference/chart/android/
- https://www.google.com/design/spec/style/icons.html
- https://www.creativefreedom.co.uk/icon-designers-blog/simple-android-icon-size-guide-for-lollipop-5-1/
- https://www.google.com/design/spec/patterns/notifications.html#
- https://www.google.com/design/spec/style/icons.html#icons-system-icons
- http://petrnohejl.github.io/Android-Cheatsheet-For-Graphic-Designers/
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