How do I launch the Android emulator from the command line

Question

I m on Mac  working on Android development from the terminal   I have successfully created the HelloWorld project and now I m trying to run it from the command line in the Android emulator   Which command runs the emulator for my HelloWorld project   I already have the Android tools and platform-tools in my PATH   Edit   How do I tell the emulator to run my HelloWorld project from the command line   I ve already built the project with ant

User · Accepted Answer

I assume that you have built your project and just need to launch it  but you don t have any AVDs created and have to use command line for all the actions  You have to do the following    Create a new virtual device  AVD  for the platform you need  If you have to use command line for creating your AVD  you can call android create avd -n  lt name gt  -t  lt targetID gt  where targetID is the API level you need  If you can use GUI  just type in android avd and it will launch the manager  where you can do the same  You can read more about AVD management through GUI and through command line  Run the AVD either by using command emulator -avd  lt name gt  or through previously launched GUI  Wait until the emulator fully loads  it takes some time  You can read about additional options here  Now you have to install the application to your AVD  Usually during development you just use the same Ant script you used to build the project  just select install target  However  you can install the application manually using command adb install  lt path-to-your-APK gt   Now switch to emulator and launch your application like on any normal device  through the launcher  Or  as an alternative  you can use the following command  adb shell am start -a android intent action MAIN -n  lt package gt   lt activity class gt   For example  adb shell am start -a android intent action MAIN -n org sample helloworld org sample helloworld HelloWorld  As a commenter suggested  you can also replace org sample helloworld HelloWorld in the line above with just  HelloWorld  and it will work too

User · Answer

Go to the directory where emulator is located   ANDROID SDK  tools emulator Check emulator list from CLI emulator -list-avds Run a AVD from the list emulator -avd  avd name

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Here you can check the options to execute this command via command-line   emulator -avd avd name  -option  value        -qemu args    For example  I use it like this below    emulator -avd ICS ARM -wipe-data -no-boot-anim -cpu-delay 0

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open CMD   Open Command Prompt type the path of emulator in my case      C  adt-bundle-windows-x86 64-20140702 sdk tools       write  emulator -avd emulatorname  in my case       emulator -avd AdilVD

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If you have Git Bash you can open your emulator with a double-click  with some initial setup  tested in Windows 10 only     Open Git Bash  Run cd   AppData Local Android sdk emulator Run   emulator -list-avds and keep note of the emulator s name  MY EMULATOR for example  Open Notepad and add these two lines  insert your emulator s name instead of MY EMULATOR    cd   AppData Local Android sdk emulator    emulator -avd MY EMULATOR Save the file somewhere convinient as myfile sh  You can change  myfile  as suits you best  but the extension  sh is needed   Open Git Bash at the directory where you stored myfile sh and run chmod  x myfile sh  Remember to put your file s name instead of myfile    And that s it  From now on  everytime you need to start that emulator  just locate your myfile sh and double click on it and wait for your Android emulator to launch

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The android create avd command is deprecated  It s now recommended to use avdmanager instead to launch emulators from the command line   First  create a new emulator if one doesn t already exist   avdmanager create avd --name  MyEmulator  -k  system-images android- 26 google apis x86    This assumes that you already have an X86 system image installed that matches API 26  and has the Google APIs installed   You can then launch the emulator with emulator  MyEmulator

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easily type this command in cmd  replace after Users  your user name   if you don t have this file reinstall android studio

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For one-click  BATCH file  launch  this is what I ve done   got the name of AVD from Android Studio - gt  Tools - gt  AVD Manager - gt  Click on Arrow Down and choose View Details   for me it s Pixel 2 API 28  so change accordingly below  create an start bat file and put the following inside     c    cd C  Program Files  x86  Android android-sdk emulator    emulator -avd Pixel 2 API 28   Explanations   First line  for me was necessary because I am  launching it from d  Second line  for me was not working the tools emulator Third line  make sure you change the name of the AVD with yours  here Pixel 2 API 28   Using   launch start bat from command line

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Just to add here  whenever you get  quot error  device offline quot  means that connection with emulator  amp  adb bridge has been broken due to time taken in emulator startup  Rather than re-starting emulator at this point try below two commands which stops  amp  start adb bridge again   adb kill-server adb start-server

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Instructions for Mac with zsh  Open terminal window  CTRL ALT T  Run command nano    zshrc to edit your profile Add following lines in the opened file  export ANDROID SDK HOME  quot   Library Android Sdk quot  alias emulator  quot  ANDROID SDK HOME emulator emulator quot  Save the file  CTRL O  CTRL X  Source the profile by running command source    zshrc or just log out and log back in Test by running the command  emulator -help or emulator -list-avds to show your simulator in terminal and run Android emulator with command  emulator -avd  lt name gt  NOTE  Should be same for bash by replacing  zshrc with  bashrc

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Open command prompt and go to  lt android-Home gt  sdk tools gt emulator -avd  lt AVD NAME gt   Here  emulator  is the command used to open your Android Virtual Device

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Open CMD To get all Emulator list  C  Users DJango AppData Local Android sdk emulator emulator -list-avds  Choose any emulator   C  Users DJango AppData Local Android sdk emulator emulator -avd Pixel 2 API 28

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Nowadays asuming you have Android Studio installed  2 2  in my case and just 1 emulator you might use this one liner  export ANDROID SDK ROOT   Library Android sdk   amp  amp  emulator     emulator -list-avds    If you do this often  make it easier     echo  export ANDROID SDK ROOT   Library Android sdk    gt  gt     profile   Add an alias to   aliases  alias androidup  emulator     emulator -list-avds      Recall to source    profile    aliases before testing it  Next time just    androidup

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In windows  I use this PowerShell script to start it up    em    env USERPROFILE   AppData Local Android sdk tools emulator exe    Start-Process  em   -avd Nexus 5X API 24  -WindowStyle Hidden

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Linux  In you terminal Copy  amp  Paste and changing the three fields in blue   home YouUser Folder adt-bundle-linux-x86 64-20140702 sdk tools emulator64-x86 -avd Android5 1 1  YouUser   user of session in linux Folder   path of folfer Android5 1 1   You version of android in the emulator for example  Android4 4 2    you can view the emulators in you folder home cd  home Youuser  android avd

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Starting emulator from command line with dns help  Emulator program location    Users   UserName   Library Android sdk tools   Check existing avd  - emulator -list-avds Start emulator with dns set  Users   UserName   Library Android sdk tools emulator -avd Pixel API 26 -dns-server 8 8 8 8

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list of avd name available on       android avd       SDK PATH tools emulator -netdelay none -netspeed full -avd    AVD NAME

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See below instructions for Ubuntu Linux with zsh    Open terminal window  CTRL ALT T  Run command nano    zshrc to edit your profile Add following lines in the opened file    export ANDROID SDK HOME    Android Sdk  alias emulator   ANDROID SDK HOME emulator emulator     Save the file  CTRL O  CTRL X  Source the profile by running command source    zshrc or just log out and log back in Test by running the command emulator -help in terminal   NOTE  Should be same for bash by replacing  zshrc with  bashrc

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Run the first emulator available     Library Android sdk tools emulator -avd    Library Android sdk tools emulator -list-avds   awk   print  1

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List all your emulators   emulator -list-avds   Run one of the listed emulators with -avd flag   emulator -avd  name-of-your-emulator   where emulator is under     ANDROID SDK  tools emulator

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I wrote this simple shell script using Zenity that lets you pick which avd you want to run  If you don t have ANDROID HOME defined  you can just replace that with the full path to emulator  This would be easy to do with select instead of Zenity also  but I opted for Zenity since I m running it from the xfce-application menu  though a  desktop-file       bin sh  opt   zenity --title  Choose AVD  --text  Choose which emulator to start  --list                      --column  Devices  --separator   n    ANDROID HOME emulator emulator -list-avds      ANDROID HOME emulator emulator -avd  opt

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On Mac  and Linux I think   after you have created your AVD  you can make an alias   alias run-android    Library Android sdk tools emulator -avd   YOUR AVD NAME   amp     Note  the execution of the alias will not lock your terminal  if you want that  just remove the last   amp      Run emulator it self will give you an error because he expect that  in your current position  you have   emulator qemu   YOUR PATFORM  qemu-system-x86 64  to start the emulator

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If you are strictly trying to run the emulator from the command line try this in OSX     Applications Android Studio app sdk tools emulator  -avd  lt NAMEOFDEVICE gt  -netspeed full -netdelay none   You can simplify it by adding an alias to the  bash profile  and sending it to a background job   alias android   Applications Android  Studio app sdk tools emulator  lt NAMEOFDEVICE gt  -netspeed full -netdelay none  amp     Let Bash know about the changes   source    bash profile

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I think the best way to reach it via terminal is   cd   Library Android sdk emulator  To run a certain AVD directly    emulator -avd  AVD NAME   To list your AVDs use     emulator -list-avds

User · Answer

I am late  here but want to share so may be it help some one and me too when ever needed later      So below is the way to open emulator from command line with one command using bash script  I am using MX Linux but process is same on all operating systems  1- First Check the installed emulators   emulator -list-avds   it will result like below  emulator -list-avds Nexus 4 API 28 Pixel 2 API 28   2- open any plain text or code editor and create a new file and write as below     bin sh emulator -avd Nexus 4 API 28   Nexus 4 API 28 is the emulator that i want to open you write yours which you got from first step  save this file with  sh extension  3- Then  change the permissions on the file to make it executable   chmod u x emu sh   4- Now open the emulator just executing this bash script file with following command    emu sh

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A launcher script which lists existing AVDs and lets you pick the one you want  Requires python3  at least v3 4  and a valid environment variable ANDROID HOME or ANDROID SDK pointing to the Android SDK dir     usr bin env python3  import os import subprocess from pathlib import Path  android emulator dir  Path   Path os environ  ANDROID HOME   or os environ  ANDROID SDK       emulator   if android emulator dir exists        emulator dir   android emulator dir absolute       print f SDK emulator dir   emulator dir    end   n n        proc   subprocess Popen     emulator    -list-avds    stdout subprocess PIPE  cwd emulator dir  text True      avds    idx  avd name strip   for idx  avd name in enumerate proc stdout  start 1        print   n  join  f  idx    avd name   for idx  avd name in avds items           avd idx   input  quot  nType AVD index and press Enter     quot       avd name   avds get int avd idx        if avd name          subprocess Popen     emulator    -avd   avd name   -no-boot-anim    cwd emulator dir      else          print  Invalid AVD index   else      print f Either  ANDROID HOME or  ANDROID SDK must be defined      AppleScript version  MacOS only  osascript -e   set avds to paragraphs of  do shell script  quot   Library Android sdk emulator emulator -list-avds quot   set avd to  choose from list avds with prompt  quot Please select an AVD to start quot  default items  quot None quot  OK button name   quot Start quot   cancel button name   quot Cancel quot    do shell script  quot   Library Android sdk emulator emulator -avd  quot   amp  avd  amp   quot  -no-boot-anim  gt   dev null 2 gt  amp 1  amp  quot      The script above can also be run from the Script Editor app or from Automator app  the bit between the single quotes   Also you can use Script Editor to save it as a native macos app  select File on the menu  press and hold the    Option  key  select Save As and then select File Format  Application

[android] How do I launch the Android emulator from the command line?

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