How to configure ADB environment variables (where to open environment variables)

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1. To configure ADB environment variable

1.1： Open the control panel  > Systems and security > System > Advanced system setup 
1.2: Create a new... In the system variable ANDROID_HMOE Variable , Assignment path (D:\install\androidSDK)
1.3. In system variable path Add %ANDROID_HOME%\platform-tools
1.4.cmd Access terminal 

Copy

2. ADB Commonly used instructions

2.1.1. View device 2.1.2 Turn on / Close the service 2.1.3. Install the software 2.1.4. Uninstall software 2.1.5. View all app The package name 2.1.6. System application 2.1.7. View installed third-party software 2.1.8 Transfer computer files to mobile terminals 2.1.9 Transfer mobile files to the computer 2.2.0 see adb Command help information 2.2.1 screenshots 2.2.2 Log in to the device shell 2.2.3 Check your phone CPU situation 2.2.4 Check application memory usage 2.2.5 Display disk usage information 2.2.6 Clear application cache information 2.2.6 Check battery status 2.2.7 Check battery information

To configure ADB environment variable

1.1： Open the control panel > Systems and security > System > Advanced system setup

1.2: Create a new... In the system variable ANDROID_HMOE Variable , Assignment path (D:\install\androidSDK)

1.3. In system variable path Add %ANDROID_HOME%\platform-tools

1.4.cmd Access terminal verification adb Whether the configuration is successful The following figure shows failure

The following figure shows success

2. ADB Commonly used instructions

2.1.1. View device ： Instructions ：adb devices This command is to view the currently connected device , Connected to a computer android The device or emulator will list the displays

2.1.2. Turn on / Close the service ： Opening service adb start-server Close the service adb kill-server

Startup error diagram ：

terms of settlement ： First open a command line window adb nodaemon server After returning

Open another command line window adb shell It was successful .

Start the correct schematic ：

Here is the lightning simulator

2.1.3. Install the software ： Instructions ：adb install apk route ： adb install ‪E:\ceshi\baidu.apk

2.1.4. Uninstall software ： Instructions ：adb uninstall < The software name > adb uninstall com.baidu.searchbox Add ：adb uninstall -k < The software name > If added -k Parameters , To uninstall the software but keep the configuration and cache files

2.1.5. View all app The package name ： Instructions ：adb shell pm list packages

2.1.6. System application : Instructions ：adb shell pm list packages –s

2.1.7. View installed third-party software ： Instructions ：adb shell pm list packages -3 nter)

2.1.8 Transfer computer files to mobile terminals ： Instructions ：adb push Computer path Mobile end path

2.1.9 Transfer mobile files to the computer ： Instructions ：adb pull Mobile end path Computer path

2.2.0 see adb Command help information ： Instructions ：adb help

2.2.1 screenshots ： Instructions ：adb shell screencap -p Screenshot file path adb shell screencap -p sdcard/1.gpg

2.2.2 Log in to the device shell： adb shell adb shell <command command > Back plus <command command > Will be to run the device command directly , Equivalent to executing remote commands

2.2.3 Check your phone CPU situation ： Instructions ：adb shell dumpsys cpuinfo

2.2.4 Check application memory usage ： Instructions ：adb shell dumpsys meminfo + Package name ： Memory usage of the application adb shell dumpsys meminfo com.baidu.searchbox

2.2.5 Display disk usage information ： Instructions ：adb shell dumpsys diskstats

2.2.6 Clear application cache information : adb shell pm clear [packagename] Instructions ：adb shell pm clear com.baidu.searchbox

2.2.6 Check battery status ： Instructions ：adb shell dumpsys battery

2.2.7 Check battery information Instructions ：adb shell dumpsys batteryproperties Display current battery key attribute values (ac: Direct charging ,USB, wireless 、 state 、 Health index 、 Current state index 、 Power level 、 The volume 、 Temporary sound level 、 The current sound level )：

3.0. adb logcat Check the phone log

adb logcat Command format : adb logcat [ Options ] [ Each filter ], among Options and Each filter stay brackets [] in , Indicates that this is optional ;

“>” Output : “>” Followed by the log file to be output , Can be logcat Log output to file , Use adb logcat > log command （adb logcat >C:\log\c.txt）

Appoint logcat Log output format of :

– “-v” Options : Use adb logcat -v time command , What can see the log output time ; Output the phone log to a local file adb logcat -v time > C:/log/aa.txt

Android The logs are divided into the following levels ： V —— Verbose（ The minimum , Output the most ） D —— Debug I —— Info W —— Warning E —— Error F —— Fatal S —— Silent（ The highest , Output nothing ） Filtering logs by a certain level will output logs of that level and above . such as , command ：adb logcat *:W take Warning、Error、Fatal and Silent Log output adb logcat *:E>E:/ceshi/888.txt Show all priorities greater than or equal to “warning” Log

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