Android - adb shell Permission denied

一、配置环境变量

• 首先找到 SDK 安装位置
  • 可以通过 AndroidStudio -Tools - Android - SDKManager 找到位置
• 创建 .bash_ 文件

export PATH=${PATH}:/Users/xxxx/Application/android-sdk-mac_x86/tools:/Users/xxxx/Library/Android/sdk/platform-tools

+输入 source .bash_来立即生效刚才的配置。

• 之后可以使用 adb 命令来验证。
• 如果没有出现 command not found 那么配置成功

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二、权限问题

• 模拟器环境

localhost:~ xxx$ source .bash_
localhost:~ xxx$ adb shell
//如果此时输入一些命令，会出现没有权限的信息
generic_x86:/ $ls
ls: ./ueventd.rc: Permission denied
ls: ./ueventd.ranchu.rc: Permission denied
ls: ./ueventd.goldfish.rc: Permission denied
ls: ./service_contexts: Permission denied
ls: ./sepolicy: Permission denied
ls: ./selinux_version: Permission denied
ls: ./seapp_contexts: Permission denied
ls: ./init.zygote32.rc: Permission denied
ls: ./init.usb.rc: Permission denied
ls: ./init.usb.configfs.rc: Permission denied
ls: ./init.rc: Permission denied
ls: ./init.ranchu.rc: Permission denied
ls: ./init.goldfish.rc: Permission denied
ls: ./init.environ.rc: Permission denied
ls: ./init: Permission denied
ls: ./fstab.ranchu: Permission denied
ls: ./fstab.goldfish: Permission denied
ls: ./file_contexts.bin: Permission denied
ls: ./default.prop: Permission denied
acct  charger d    dev mnt proc              root sdcard  sys    vendor 
cache config  data etc oem property_contexts sbin storage system 
//通过 su root 来获取 root 权限，之后再执行命令，就可得到结果
1|generic_x86:/ $ su root
generic_x86:/ # ls
//输出
adb           app-private   dalvik-cache mediadrm   ota_package    system_ce  
anr           backup        data         misc       property       system_de  
app           benchmarktest drm          misc_ce    resource-cache tombstones 
app-asec      bootchart     local        misc_de    security       user       
app-ephemeral bugreports    lost+found   nativetest ss             user_de    
app-lib       cache         media        ota        system   

参考链接：在Android中使用adb命令时关于权限方面的一些总结