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awesome-adb/README.md

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8 years ago
# awesome-adb
8 years ago
Adb 用法大全。
## 目录
* [查看手机型号](#查看手机型号)
* [查看手机电池状况](#查看手机电池状况)
* [查看手机分辨率](#查看手机分辨率)
* [查看 android\_id](#查看-android_id)
* [录制屏幕](#录制屏幕)
* [查看前台 Activity](#查看前台-activity)
### 查看手机型号
命令:
```
adb shell getprop ro.product.model
```
输出示例:
```
Nexus 5
```
### 查看手机电池状况
命令:
```
adb shell dumpsys battery
```
输入示例:
```
Current Battery Service state:
AC powered: false
USB powered: true
Wireless powered: false
status: 2
health: 2
present: true
level: 44
scale: 100
voltage: 3872
temperature: 280
technology: Li-poly
```
其中 `scale` 代表最大电量,`level` 代表当前电量。上面的输出表示还剩下 44% 的电量。
### 查看手机分辨率
命令:
```
adb shell dumpsys window displays
```
输出示例:
```
WINDOW MANAGER DISPLAY CONTENTS (dumpsys window displays)
Display: mDisplayId=0
init=1080x1920 480dpi cur=1080x1920 app=1080x1776 rng=1080x1005-1794x1701
deferred=false layoutNeeded=false
...
// some other output here
...
```
### 查看 android\_id
命令:
```
adb shell settings get secure android_id
```
输出示例:
```
51b6be48bac8c569
```
### 录制屏幕
录制屏幕以 mp4 格式保存到 /sdcard:
```
adb shell screenrecord /sdcard/filename.mp4
```
需要停止时按 <kbd>Ctrl-C</kbd>,默认录制时间和最长录制时间都是 180 秒。
如果需要导出到电脑:
```
adb pull /sdcard/filename.mp4
```
`screenrecord` 命令也支持一些参数,可以使用 `adb shell screenrecord --help` 查看,下面是简介:
| 参数 | 含义 |
|:--------------------|:------------------------------------------------|
| --size WIDTHxHEIGHT | 视频的尺寸,比如 `1280x720`,默认是屏幕分辨率。 |
| --bit-rate RATE | 视频的比特率,默认是 4Mbps。 |
| --time-limit TIME | 录制时长,单位秒。 |
| --verbose | 输出更多信息。 |
### 查看前台 Activity
命令:
```
adb shell dumpsys activity activities | grep mFocusedActivity
```
输出示例:
```
mFocusedActivity: ActivityRecord{8079d7e u0 com.cyanogenmod.trebuchet/com.android.launcher3.Launcher t42}
```
其中的 `com.cyanogenmod.trebuchet/com.android.launcher3.Launcher` 就是当前处于前台的 Activity。