Ubuntu无法识别android设备

用命令lsb查看当前android设备usb属性

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$ lsusb
Bus 001 Device 002: ID 8087:8000 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 078: ID 138a:0011 Validity Sensors, Inc. VFS5011 Fingerprint Reader
Bus 002 Device 003: ID 8087:07dc Intel Corp.
Bus 002 Device 002: ID 5986:0652 Acer, Inc
Bus 002 Device 081: ID 22b8:2e81 Motorola PCS
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

修改/etc/udev/rules.d/51-android.rules

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$ sudo vi /etc/udev/rules.d/51-android.rules
SUBSYSTEM=="usb", ATTR{idVendor}=="22b8", ATTR{idProduct}=="2e81", MODE="0666", GROUP="plugdev"

重新加载udev rule

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sudo udevadm control --reload-rules

查看设备

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adb devices

升级android app sdk

安装apk时出现:“此应用专为旧版Android打造,因此可能无法正常运行”

弹窗代码:AppWarnings.java

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public void showDeprecatedTargetDialogIfNeeded(ActivityRecord r) {
if (r.appInfo.targetSdkVersion < Build.VERSION.MIN_SUPPORTED_TARGET_SDK_INT) {
mUiHandler.showDeprecatedTargetDialog(r);
}
}

Build.VERSION.MIN_SUPPORTED_TARGET_SDK_INT值:

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public static final int MIN_SUPPORTED_TARGET_SDK_INT = SystemProperties.getInt(
"ro.build.version.min_supported_target_sdk", 0);

adb shell获取属性值:

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getprop ro.build.version.min_supported_target_sdk

修改build.gradle: buildToolsVersion

Ubuntu升级nodejs

查看当前nodejs版本

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node -v

安装node版本管理工具

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sudo npm install n -g

查看node新的稳定版本

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sudo n stable

更新当前node版本

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hash -r

kernel

kernel打印

修改kernel日志级别

关闭 0

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echo 0 > /proc/sys/kernel/printk

最高 8

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echo 8 > /proc/sys/kernel/printk

串口dmesg打印kernel信息
清除

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dmesg -c

继续打印

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dmesg -w

adb保存kernel信息
adb shell dmesg -w > kernel.log

查看kernel版本
uname -r

cat /proc/version

wsl禁用Windows环境变量

touch /etc/wsl.conf

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[interop]
appendWindowsPath = false

Windows

去除桌面图标箭头

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@echo off

color 2

reg delete HKCR\lnkfile /v IsShortcut /f

reg delete HKCR\piffile /v IsShortcut /f

reg delete HKCR\InternetShortcut /v IsShortcut /f

taskkill /f /im explorer.exe && explorer

查看应用程序
shell:AppsFolder

Linux-time

设置系统时间与BIOS一致

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timedatectl set-local-rtc 1

查看系统时间状态

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timedatectl status

Linux-Desktop

MarkText

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[Desktop Entry]
Name=MarkText
Exec=/opt/marktext/marktext-x86_64.AppImage
Terminal=false
Type=Application
Icon=/opt/marktext/marktext.png
Comment=MarkText

Android Studio

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[Desktop Entry]
Name=Android Studio
Comment=Android Studio
Exec=/opt/android-studio/bin/studio.sh
Icon=/opt/android-studio/bin/studio.svg
Type=Application
Categories=Development;IDE;