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After updating to Android Studio 2020.3.1 canary 15, when I try to run an emulator, it gets killed with this error:
The emulator process for AVD Pixel_4_API_30 has terminated.
It was working correctly in the previous version (4.1.3), but now after installing the new one, it shows the same error.
I've tried some solutions had suggested in almost similar cases; however, It still doesn't work.
I deleted my emulator (also I cleared inside of directory: /.android/avd/) and created a new one again
I updated the HAXM installer to version 7.6.5
I tried to run an emulator with lower APIs but...
Image of the error:
The main root cause of that issue is lack of free space on your disk
Faced this issue after update to arctic fox.
After seeing error message about termination, open android studio logs
("C:\Users\YourUserName\AppData\Local\Google\AndroidStudio2020.3\log\idea.log")
scroll it down and try to find log line with text "Emulator terminated with exit code". Probably, the reason for termination can be found a few lines above this message - for me it was
"Emulator: cannot add library vulkan-1.dll: failed".
If you have the same reason - go to C:\Windows\System32 directory, search here for file called vulkan-1-999-0-0-0.dll and just rename it to vulkan-1.dll (i've made a copy just in case and named it "vulkan-1.dll").
This fixed the issue for me.
Follow below steps to solve the issue:
Go to Tools -> SDK Manager
In SDK Manager Go To SDK Tools Tab and untick the Android Emulator and click on Apply. This step will uninstall the Android Emulator.
After uninstallation completes:
Again Open Tools -> SDK Manager -> SDK Tools -> Install the Android Emulator by enabling the check or tick on Android Emulator. This step will install the Android Emulator again.
After successful installation. Restart Android Studio. Create new emulator device and Run it. This should work.
Try to kill the emulator process and then you can reboot the emulator.
On Windows, bring out Task Manager and find the emulator process (you can find it starts with qemu-xxx, it might be wrapped inside Android Studio category), then click end task to kill the process.
For Linux (should be similar for windows)
Locate your Sdk/emulator directory
Run ./emulator -list-avds
Note the AVD name form output eg. 'Pixel_2_API_30'
Run ./emulator #Pixel_2_API_30
This will try to launch the emulator with selected device and show errors if any, in my case it was a disk space issue since I was low on home space.
emulator: ERROR: Not enough space to create userdata partition. Available: 5084.121094 MB at /home/user/.android/avd/Pixel_2_API_30.avd, need 7372.800000 MB.
I had plenty of space in other partition/disk, so I changed the AVD location by setting environment variable 'ANDROID_AVD_HOME' to preferred location, post this started the Android Studio and using the AVD Manager recreated a Device, HTH.
After going through all answers.
This answer can help you finding the root cause. clear the below file and restart the device to know the problem
C:\Users\YourUserName\AppData\Local\Google\AndroidStudio2020.3\log\idea.log"
My problem came as
2021-10-13 19:11:54,776 [1564693] INFO - manager.EmulatorProcessHandler - Emulator: init: Could not find wglGetExtensionsString! arbFound 0 listarbNull/empty 1 0 extFound 0 extNull/empty 1 0 remote 0
On further search i found the this which points out changing advanced settings (Ram size) and Graphics configuration
Step 1 :- while setting up device click on advanced settings
Step 2 :- Change the 2 setting as highlighted. make it 512 and Automatic to Software GLES
This solved the same issue for me:
Open text editor (eg. notepad)
Type this code:
Vulkan=off
GLDirectMem=on
Save the file as "advancedFeatures.ini" in .android directory. If your user is named Admin, under windows it would be: C:\Users\Admin\.android\advancedFeatures.ini.
Run your app.
In Windows, open the Task Manager and kill the process "qemu-system"
I faced the same issue. Fixed it by enabling the Hyper-V on my Windows 10 OS. I just typed Hyper in the Start menu and went to Turn Windows features on or off menu and ticked all the Hyper-V checkboxes like this:
I updated and had the same problem.
I solved the problem by changing the Multicore CPU and memory
To solve these type of issue, generally you haven't some file, that you need to download it from google and paste. I was facing the same issue. but after a lot of time spent on google finally I have got the solution.
Following are the steps:-
Create virtual device using AVD Manager
start the emulator
if it is showing your emulator has terminated
Then go to ("C:\Users\YourUserName\AppData\Local\Google\AndroidStudio2020.3\log\idea.log")
check the issue by scroll down(on bottom you can check)
If you are getting the same issue
Then go to C:\Windows\System32 directory, search here for file called vulkan-1-999-0-0-0.dll
If file is already in directory, then just rename the file into "vulkan-1.dll"
else download the file from this link
you will have zip file, just extract and paste the vulkan-1-999-0-0-0.dll file and perform the step 8.
This error also occurs when there is not enough free space left on your computer.
be sure to free up some more space.
$ emulator -avd phone2
ERROR | Not enough disk space to run AVD 'phone2'. Exiting...
OK I fixed my problem like the one above by:
I removed the emulator in the AVD manager and reinstalled it. I also deleted the ANDROID_HOME environment variable and it worked again for me in Artic Fox
I am on the latest version of Android Studio Artic Fox 2020.3.1 Patch One on Windows 10 and I upgraded the emulator yesterday 8/18/21 and it completely broke functioning emulators.
I would like to mention something about this,
The mentioned solutions works, however, if none works then please make sure you have sufficient space where AVDs are generated.
If system do not find the enough space to operate, it will give this error too, same as in my case.
If space is not an issue for you then mentioned other solutions must work.
Check if your disk space of computer is full or not. In my case C:// was full
In case if anyone facing this issue. I solved it by:
Go to C:\Users\YourUserName\.android
Create a file named advancedFeatures.ini
Then add the following lines of code in the file:
Vulkan = off
GLDirectMem = on
This might sound like a joke but restart the computer maybe? I had some emulator processes hanging in the task manager. Restarted the computer and it worked. Maybe it is an android studio bug.
Was facing similar issue while launching arm64 emulator. I had enough disk space and tried uninstalling the emulator and reinstalling it. But this didn't help.
I was able to figure out the issue by running the below commands:
emulator -list-avds
emulator #NameOfAvd
This assumes you've emulator on the path. Executing the last command showed me the below errors which weren't visible when running from Android Studio:
[4453299712]:ERROR:android/android-emu/android/qt/qt_setup.cpp:28:Qt library not found at ../emulator/lib64/qt/lib
Could not launch '/Users/username/../emulator/qemu/darwin-x86_64/qemu-system-aarch64': No such file or directory
Executing the command emulator #NameOfAvd from the Android/sdk/tools path allowed me to start the arm64 AVD.
It's an issue of latest Emulator.
I upgraded to v30.6.4 last night and got the same issue.
Please use Genymotion instead before Android Studio Emulator issuing its next update.
It's free for personal use.
https://www.genymotion.com/download/
My issue is resolved when I changed the CPU/ABI setting from "armeabi-v7a" to "x86_64".
Go to Device Manager on Android Studio
Click Drop Menu on Action Panel
Click Wipe Data
Launch your AVD Manager Again OR Restart Your computer
I Remove the Emulator folder from the SDK path and download the new component. It's working fine.
I was not able to start API_30 devices.
I had to install the latest hardware accelerator version (HAXM v7.7.0) from https://github.com/intel/haxm
Then
The simple solution was to free up some space from the hard-disk
In my case, only 2gb space was available in the hard-disk.
I made some space by emptying the bin, and now available space was 22gb.
Then I just started the emulator normally ( didn't uninstall or deleted anything) and it started.
In my MacbookPro M1 Pro, The issue was I had selected the x86 image while creating the emulator device.
Changing this setting and using the image from the recommended images resolved my issue.
I face same kind of issues... After increase free space of machine its working fine...
For those who running flutter/Dart in android studio. Here are the step on how I solved this:
Go to any of your current device in Device manager.
Click the edit icon (Pen Icon). Then dialog for edit will open.
Now change the "Graphics" property in the AVD under Emulated Performance from automatic to "Software-GLES 2.0". it works for me.
Note: Am using android studio Bumblebee | 2021.1.1 patch 2
The problem might be due to some corrupted data during saving the state. Cold start the VM will solve the problem.
Really, I had same issue. I had tried over 10 times..im not professor but I found finally. It was a tough time for me.
Try again follow next.
If you install Android again again, I think import setting has problem. wrong Path on android screen. not environment Path
Because automatically it is determined old path(when it installed first)
and Choose a lower API if possible
in my case, when I use API 17, the emulator acted. but API 30, The emulator has terminated...so, I think if you use windows 7 or low spec, use low API environment.
In addition, I needed installing emulator-windows_x64-7491168,zip (In my case)
After having tested solutions suggested in this forum, the only one which solved the problem to me is to free space in my hard disk. In my case I needed at least 7 GB to make it work.
I just want to ask "How can I speed up my Android Studio?". Though I do own:
Dell Inspiron 15R
12GB of RAM Core i7 (N5537),
these specs may look cool but still I am unable to working on Android Studio in Peace. As my Android Studio takes a lot of time when I reboot my machine and start the Android studio, its indexing process is way too long, the gradle build process is also way too laggy!
Even whenever I try to run my app on any device say on Virtual Device or any other real device it takes a lot of time, to switch between .java to .xml files is also way too long! For the most of times the Android Studio also stuck and hangs on different events especially on Gradle Build or refreshing the project and indexing the project files!
For the above issue, I have done some work around to speed up my Android Studio. In other words the results are just boosted my Android Studio!
Step 1 Increase Windows Virtual Memory
Goto Computer, Right Click and Choose Properties
Select Advanced System Settings
Select Performance Settings
Select the Advanced tab, and click the Change button on Virtual Memory Section
Uncheck the Automatically manage paging file size for all drives
Choose your desired drive to use as a Virtual Memory Part
Check the Custom Size Radio Box
Insert the Inital Size (MBs), this step is important! For me I have about 150GBs free in my C Drive so I set the initial size to 40GB!
Set the Maximum Size (MBs), I have set it to 50GB because have a lot of free space!
Click Set, then Ok
Step 2 Edit Custom VM Options in Android Studio
Start Android Studio
Click Help
Select Edit Custom VM Options
Click Yes to the Next dialog (If file didn't exists already it will prompt you to create one)
Add these Lines to that Opened File:
# custom Android Studio VM options, see http://tools.android.com/tech-docs/configuration
-Xms1024m
-Xmx4096m *****INCREASE THIS TO MAXIMUM OF YOUR RAM
-XX:MaxPermSize=1024m
-XX:ReservedCodeCacheSize=1024m
-XX:+UseCompressedOops
-XX:+HeapDumpOnOutOfMemoryError
-Dfile.encoding=UTF-8
(You Should increase these values to the maximum of your machine resource, the above is for my own machine settings)
Step 3
Simply Invalidate Caches and Restart Your Android Studio
Don't forget to edit your startup programs and service, you have to disable all junk/useless or non important services at the startup and reboot! (This step is also very important)
Give your machine a Reboot
For me these all steps are a great workaround, so you should give them a try
Please Note that you should set all the said values according to your machine hardware and software resources
Thanks
Config + SSD made a huge difference!
Tweaking Paging Size, Clearing Temp Files and Cache do help but you wouldn't not have taken time to post here for saving a few seconds.
For marginal performance boost, We upgraded the machine and it's worth it.
Machine Specs: Alienware-i7 7820HK|16GB RAM|256GB PCie SSD|1TB HDD
Software Config: Android Studio in SSD|SDK in HDD|Project Folder in HDD
Clock Time to load Android Studio: 9s
Clock Time to create a new empty project: 20s till Gradle Build Finished
Clock Time to open an empty project: Less than 5s till Gradle Build Finished
Clock Time to open Android Studio; create a new empty project: 40s till Gradle Build Finished
If you could keep track and manage Android SDK properly, and predominantly use AS alone, we recommend an All-in-SSD approach.
Regards.
What SO are you using? I'm using the same version of Android Studio on an Acer with Windows 10, 8gb of RAM and i5-7200U, and I'm not facing these problems. Try to defrag your disk, or use a SSD, it helps a lot.
To prevent the excessive "Indexing..." when launching Android Studio (with multiple projects open), you can switch on File -> "Power Save Mode". This makes it start up much faster. It also saves a lot of CPU in general, for example when typing code. You can switch it back on when you need the live inspections.
More info: https://jwhh.com/2013/06/07/android-studio-power-save-mode/
I recently upgraded from Eclipse to Android Studio and I'm not really liking the experience. I'm comparing them both on a Windows 7 64 bit ultimate with 16GB of ram and Intel i7 4770 running NVidia Geforce 780 with the latest NVidia drivers if it matters and I'm running the latest JDK and the latest Android Studio.
The Android Studio is very slow in building the project which I can live with but it's also extremely resource intensive and sometimes slows down the PC to a crawl.
Whenever I'm building or running anything in AS, my PC seems to become extremely sluggish. It also causes flickering of screen and occasionally blanking my second monitor if I click on "Gradle build running" spinner which I find very odd. The RAM usage also shoots up to ~3GB which I find excessive for doing nothing (this is when it's idle after a few builds).
In addition, the panels at the bottom of AS keep jumping around which is a horrible user experience (moves from Android to Messages to Version Control or anything else on an ad-hoc basis depending on what's happening which is very, very annoying).
What I would like to know is basically:
1) How do I make Android Studio run better? I may be doing something wrong or missing some updates that I'm not aware of and I'm sure others have also noticed these behaviors and have found some solutions to it.
2) How do I "pin" the bottom panels so that they don't jump around and instead, let me, the user, navigate to them when I wish to instead of automatically switching them?
Many thanks and my apologies again if it's not the correct place for these questions.
Edit 1
Some more comments:
I'm using the latest stable build as of today. The build is Android Studio 1.2.2 Build # AI-141.1980579, Build on June 3, 2015
The behavior happens when using either Java 7 or 8. It doesn't appear to be related to the version of Java.
I am not using Presentation Mode. Just the vanilla view.
Doing the changes to the build configuration (thanks to #Blackbelt and his answer) appears to have helped with the build but the other problems with sluggishness and general user experience remain.
to sum it up
1) in AndroidStudio's settings > compile enable checkbox named Compile independent modules in parallel.
2) Under Help> Edit Custom VM Options I have:
-Xms1024m
-Xmx4096m # <------ increase this to most of your RAM
-XX:MaxPermSize=1024m
-XX:ReservedCodeCacheSize=440m
-XX:+UseCompressedOops
-XX:-HeapDumpOnOutOfMemoryError
-Dfile.encoding=UTF-8
P.S. - Some people say Note, instead of VM options, it's better to combine can be overriden by combining those lines into one line single command in gradle.properties, like this :
org.gradle.jvmargs=-Xms1024m -Xmx4096m ......
3) I have an old dual core with 4GB ram, running ubuntu. Qs command line option I have only --offline (which specifies that the build should operate without accessing network resources). I also enabled the remaining checkboxes and now it's running ok:
Make project automatically
Use in-process building Configure on demand
Check the AndroidStudio's settings, under compile that the checkbox Compile independent modules in parallel is enabled.
Under Vmoptions I have
-Xmx2048m -XX:MaxPermSize=1024
I have an old dual core with 4GB ram, running ubuntu. Qs commandline option I have only --offline , which specifies that the build should operate without accessing network resources. I enabled also the remaining checkboxes:
Make project automatically
Use in-process building
Configure on demand
and it is running ok
Edit
It is possible to provide additional options through studio.vmoptions located at (just replace X.X with version):
Windows: go to %USERPROFILE%\.AndroidStudioX.X\studio.exe.vmoptions (or studio64.exe.vmoptions)
Mac: ~/Library/Preferences/.AndroidStudioX.X/studio.vmoptions
Linux: ~/.AndroidStudioX.X/studio.vmoptions (and/or studio64.vmoptions)
Increasing the value of -Xmx should help a lot. E.g
-Xms1024m
-Xmx4096m
-XX:MaxPermSize=1024m
-XX:ReservedCodeCacheSize=256m
-XX:+UseCompressedOops
will assign 4G as max heap, with initial value of 1G
Edit:
On windows the defaults are stored into C:\Program Files\Android\Android Studio\bin\*.vmoptions. The IDE allows you to tweak those values through Help->Edit Custom VM options (thanks to #Code-Read for pointing it out).
EDIT 2:
Android studio 3.5 makes easier to change same of those values. Just go to:
Preferences > Appearance & Behavior > System Settings > Memory Settings
Tips to make android studio fast:
Enable Offline Work:
Click File -> Settings. Search for "gradle" and click in Offline work box.
Go to Compiler (in same settings dialog just below Gradle) and add --offline to Command-line Options text box.
Improve Gradle Performance
gradle can be optimized too. The easy way is to modify the settings in global gradle.properties (create it if not exists in the following folders: Windows - C:\users\your_name\.gradle\; Linux- /home/<username>/.gradle/; Mac- /Users/<username>/.gradle/; ) and in that file, add these two lines:
org.gradle.daemon=true
org.gradle.parallel=true
For More: http://www.viralandroid.com/2015/08/how-to-make-android-studio-fast.html
I detected another reason - Thumbs.db, which affected performance badly.
Go to File > Settings > Editor > File Types and in field Ignore files and folders add this: Thumbs.db;
Now, Android Studio runs like a charm.
Adding more memory helped me:
Click "Help"
Edit Custom VM Options
Android Studio 2.1.2 Edit Custom VM Options:
Change values
like below:
-Xms512m
-Xmx2560m
-XX:MaxPermSize=700m
-XX:ReservedCodeCacheSize=480m
-XX:+UseCompressedOops
Restart Android Studio
Recommendations:
MUST TO SAY: if you have any chance, spend some money for better PC(cpu),
it's Most important ..
Tweaks:
Some people say, that OS (Operating System) might cause much slowness. For example, XP or LINUX (or etc) was mentioned to perform 70% faster (don't know why..).
Disable VCS by File > Settings > Plugins and disable the following things :
CVS Integration; Git Integration; GitHub; Google Cloud ... things; Subversion Integration; hg4idea;
Editor is a resource eating too (especially on Large Monitors) and slow. Make it much much faster: click Help > Edit custom VM options and add these lines :
-Dsun.java2d.d3d=false
-Dsun.java2d.opengl=true
save it and Restart Android Studio.
If Android Studio has a proxy server setting and can't reach the server then it takes a long time to build and waiting for a timeout. Removing it helps much. File > Settings > Appearance & Behavior > System settings > HTTP Proxy.
Another Useful quote (from article):
Modules are expensive… On my current project I had to build some libraries from scratch and had to fork some that almost fitted my needs but not quite! If that modules are not constantly modified, it’s important to have this into consideration: the time needed to compile them from scratch, or even to check if the previous individual module build is up-to-date, can be up to almost 4x greater than to simply load that dependency as a binary .jar/.aar.
Hint: run the gradle build -profile for an HTML report showing where
the time goes regarding the build process.
Note: keep that “unnecessary” modules in your version control system
for the eventuallity of a quickfix/improvement in that dependency.
In your Gradle build script, use only
specific Google Service, like: compile 'com.google.android.gms:play-services-maps:...'
Instead of full Google Library: compile 'com.google.android.gms:play-services:...'
(Compile time goes from 2 minutes to around 25 seconds).
Gradle configures every project before executing tasks, regardless of whether the project is actually needed for the particular build. In global gradle.properties adding this will help much: org.gradle.configureondemand=true
Surprisingly, some people say , they solved problem by reducing: 1) heapsizes to -Xmx256m (instead of higher values); 2) Emulator Ram-size (from Edit AVD > Advanced Settings);
Everyday Recommendations:
Don't run multiple projects simultaneously.
Don't close emulator after using once (use same emulator for running app each time; If you test large apps, better to use a real mobile phone instead of emulator).
clean your project every time after running your app in emulator - click Build > Clean Project (or Rebuild), you can use keyboard shortcut.
An anti-virus is causing the slow-down
In one particular system I looked at, this issue was caused by an over-zealous anti-virus that was interfering with Gradle, the build manager for Android Studio. It seems every time Gradle was "touching" a .jar file, the virus checker was unzipping the .jar and scanning it for viruses first. The Gradle build could only continue once the unzipping and scan was complete, thus leading to very long build times (5 min plus). Since Android Studio, by default, runs a Gradle build when you start up, it manifests as an extremely slow start-up.
The problem is extremely easy to check for:
While you are experiencing the symptoms of a slow Android Studio, press Ctrl- Alt-Delete and open Windows Task Manager.
Click on the Processes tab to see the active processes and sort by CPU. If you see an anti-virus taking significant amounts of CPU percentage intermittently while Android Studio appears to be loading, it is likely to be the same issue.
You can verify further by looking at the scan logs of the anti-virus to see if it is indeed, examining the .jar files.
To solve this, you will have to add the correct directories to the "excluded folders" of your anti-virus. Assume that your Windows username is "Username" and you have installed Android Studio on C: drive. You would then request to exclude from the virus check the following directories:
C:\Users\Username\.android
C:\Users\Username\.AndroidStudio2.2
C:\Users\Username\.gradle
C:\Users\Username\.m2
C:\Users\Username\AppData\Local\Android\Sdk
Please note that you may need to take additional security precautions if you exclude these directories and you should co-operate with your security department in the workplace. This may involve setting up your own Maven repository if deemed necessary.
(I am aware that this is a late answer, but none of the previous answers have addressed this potential issue)
The best way to boost up android studio runtime performance is to use SSD Drive. It will boost the performance as very much. I did all the above things and felt I should go for new laptop, but suddenly I came to know about SSD Drive and I tried it. Its Much Much better.....
Starting from Android Studio 3.5 some of the settings can be configured via:
Preferences > Appearance & Behavior > System Settings > Memory Settings
As you are learning, performance problems with AS are not trivial to diagnose! In my case, an array of 9215-character-long strings (see below) was causing AS to dump threads every time I typed a few characters. The thread dump in turn caused AS to freeze for many seconds at a time. This bug appeared in the Windows 64 bit release of AS 2.2, still occurs in 2.2.1, but was not present in 2.1.
Finding out that long strings were causing my lockups involved a lot of trial and error. But, I learned a lot in the process, to wit:
idea.log contains excellent diagnostics (Help->Show Log in Explorer);
If you see extreme, but intermittent slowdowns, suspect AS is dumping threads. This will be reported in idea.log. If threads are being dumped, the dumps will tell what code AS was executing when the problem occurred;
Find out whether the problem occurs in other projects. If not:
Look for unusual content in the project file you are editing when it happens (atypical indentation, long lines, overall size, special characters, etc.);
Try exporting settings from another project (File->Export Settings) and importing them to the problem project (File->Import Settings);
If so:
If threads were dumped, consult these and text in idea.log near in time to the dump notices for details;
Consult idea.log for messages about memory consumption and see other answers to this question such as https://stackoverflow.com/a/30818099/5025060 for advice regarding memory and other tunables.
BTW, for the present I have worked around the problem I describe above by moving my long strings into a separate file (a new class containing only the array itself). I try not to edit this file with AS:
package com.code_read.numerous;
// Stored in this separate file as workaround for but in Android Studio 2.2 and 2.2.1:
public class numstrings {
// Array of long random numbers, pregenerated to save CPU:
public static String[] numStrings = {
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... (13 lines total) ...
}
It's not compiling that's hurting me here, it's the typing. I could disable all the smart features and be back to notepad++ like TomTsagk suggested in a comment. For today I need more cores and RAM.
Playing devil's advocate I'd argue that typing shouldn't require a 16Gb PC octacore PC. Liked Sajan Rana's advice but things are so slow here it felt mostly a placebo.
To be fair I am using 1.4RC1, which is just short of being in the stable branch. Turning the internet off helped a little. The new feature of simultaneous Design (Preview) and Text views working with XML layouts is very helpful.
No, it is ridiculous. Never leave the stable channel.
This answer pertains to slow Gradle build speeds for Windows 10 after you've already gotten the Xmx and Xms memory settings straightened out.
Windows Defender
As far as Windows Defender is concerned it's simply not enough to add folders / files to the Windows Defender exclusion list via "Files" or "Folders".
You must add directories pertaining to Android Studio / Gradle / Java (embedded JDK or Oracle JDK) as "Process" exclusions to Windows Defender :
Go through the answer by David Rawson
During a Gradle build... monitor the Windows Task Manager's Processes
To Windows Defender, add "Process" exclusions for directories containing the file/executable you see utilizing the CPU during a build associated with Android Studio / Gradle
This obviously comes with security implications.
The following describes more details pertaining to using a "Process" exclusion in Windows Defender (as opposed to adding a simple "File" or "Folder" exclusion) :
A file name with full path causes the particular binary file to be excluded, i.e. any files it touches, regardless of where the file is located, will not be scanned by Windows Defender. A file name without any path causes any binary file with this file name to be excluded regardless of its location. A path followed by a "*" (e.g. c:\my\private\tools*) causes any binaries under this path to be excluded. Any files touched by these processes will be excluded. This is different from a path exclusion, where files touched by any process under the excluded path is excluded.
The key here being....adding these exclusions as "Process" type exclusions takes into account "files the binary touches" as opposed to manually finding and excluding every file / folder that is generated by Android Studio / Gradle.
Windows File Indexing
Windows file indexing seems to also slow down Gradle builds. Turn off Windows File Indexing for the directories used by Gradle / Android Studio.
Here are my "Windows File Indexing" and "Windows Defender Process" exclusions :
C:\Program Files\Android\*
C:\Users\<yourUserAcct>\.android\*
C:\Users\<yourUserAcct>\.AndroidStudio3.0\*
C:\Users\<yourUserAcct>\.gradle\*
C:<pathToYourAndroidStudioProjectFolder>
In case setting -Xmx4096m -XX:MaxHeapSize=256m (and etc.. mentioned in above answers) doest work, then do this manually:
Step 1 : Start Android studio and close any open project (File > Close Project).
Step 2 : On Welcome window, Go to Configure > Settings.
Step 3 : Go to Build, Execution, Deployment > Compiler
Step 4 : Change Build process heap size (Mbytes) to 1024 and Additional build process to VM Options to -Xmx512m.
Step 5 : Close or Restart Android Studio.
This might sound stupid and off topic but in my case I was using an external 4k Monitor with my MacBook Pro 13' (MacOS High Sierra, 2016) and I had the resolution set to the wrong scaled resolution. Switching to another scaled resolution where there was no "using a scaled resolution may affect performance" warning resolved my overall performance issues. In my case I had to increase the resolution to max.
So for me it was an overall performance problem which first surfaced with Android Studio, it was not an Android Studio specific problem.
EDIT 25.11.2017
As a result I had to increase font sizes in Android Studio:
and on my Mac in General. I followed some of these tips to get that done.
Just for anyone looking, after upgrading to El Capitan, I noticed a huge lag with the IDE. After increasing a ton of RAM and using the suggestions above, it turned out that I needed to update the legacy Java, and reinstall via: https://support.apple.com/kb/DL1572?locale=en_US
After installing this, all lag was gone.
Well, one thing that worked for me is using physical android device instead of emulator. As in my PC( i5 and 4GB RAM ) the android studio takes about 700MB of memory and the emulator takes another 700. Thus the whole performance of the computer goes down. Working with a physical device saves the strain from the emulator.
DO NOT EDIT studio.vmoptions ,It may not work.
In gradle.properties file (in app directory) add this :
org.gradle.parallel=true
org.gradle.jvmargs=-Xmx7g -XX:MaxPermSize=1024m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
I followed this post and it worked great for me.
EDIT:
Following tips have been mentioned in the above post.
In gradle.properties, put this:
org.gradle.daemon=true
org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
org.gradle.parallel=true
org.gradle.configureondemand=true
And in build.gradle, put this (Note this will disable lint check):
tasks.whenTaskAdded { task ->
if (task.name.equals("lint")) {
task.enabled = false
}
}
I just want to share my case:
if you need play-store library, don't compile all of it, just compile library that you need. example: if you only need maps library instead of compile 'com.google.android.gms:play-services:9.0.2' do this compile 'com.google.android.gms:play-services-maps:9.0.2' on your gradle
Dont use OpenJDK for the java, I use java 7 oracle and it works well. if yout need to change default java do this on linux terminal sudo update-alternatives --config java and pick the number
I'm using ubuntu 32bit 4GB RAM. that's all the issue I ever encounter with AS.
There are many ways to speed up Android Studio.
Speed up gradle build time.
1.Go to Project gradle.properties file and remove comment from both line.
2.copy gradle.properties file to your .gradle folder so that you don't need to setup for every project.
Enable Work Offline so that Android studio/Gradle don't need to check for newer file over internet every time.
I've quickly resolved this issue by upgrading gradle (Android Studio seems to use old version).
1) Download latest version (https://gradle.org/gradle-download/) and unpack somewhere.
2) Update path in Android Studio: File > Settings > Build, Ex../Gradle
This worked for me!
Open build.gradle (it's inside your project) and change the both jcenter to mavenCentral
(you can do it in Global file too: C:\Program Files\AndroidStudio\plugins\android\lib\templates\gradle-projects\NewAndroidProject\root\build.gradle.ftl however, you will need to do this modification again after AndroidStudio upgrade)
My Android Studio was not only slow in general use, but also when building.
Here's what I did:
Uninstalled Android Studio (Don't delete, uninstall it and check delete the SDK too). Then delete Android folders located in C:\Users\\ folder namely: .android, AndroidStudioX.X
Uninstall the SDKs via the SDK manager, remove everything ( If there is lef SDK folder, delete them )
Download and Reinstall the latest build for Android Studio (v2.1.2 as of this writing); Install only the SDK/Emulators you need;
It's fast now.
My Story before that:
My laptop sports an Intel Core i7-3612QM and 8gig of ram. When I builded, all the 4 cores/8 threads were on 100% usage. My entire system froze until the ~10 minute wass done. Gradle took me like ~10 unproductive minutes of slow down. This is very annoying. I am using Android Studio since 1.4. There were also tremendous slow down when I copy paste code to and from, selecting menus, right-click context menus, editing manifest, editing gradle files, opening layout files, rendering in the UI Editor, etc. Its was very unusable most of the time.
Due to frustration, I did the above steps. Its fast now. Very usable just as before. I build for only ~20 seconds compare to ~10minutes before that. Also, Android Studio eats about 6gig with emulator and browser with lots of tab open, unlike before its hovering on 98% RAM usage. Not just that, I even saved 45 gigs of space for whatever reason. I only use couple of SDKs and Emulators when I checked the Android SDK folder, it occupies 45gig of space! I think the IDE is having a hard time accessing/IO on my SDK folder.
If you've tried other given solutions and still experiencing the same issue, it may be time to remove Android IDE/SDKs altogether and start anew (it might take you sometime to setup that newly, but its worth it. Considering I've been suffering this sluggishness for months and cost me my productivity).
I really guess that this might be caused by cumulative patches that has been done since then. Or the 45 gig SDK folder on my poorly defragmented drive. I don't know and I could be wrong.
Thank you! HTH
I should mention that if you are using Mac, downloading and running an app from the App Store (like "iBoostUp" etc.) which will clean out unused system files can speed up your computer dramatically, including AS.
I also found that adding more memory to my Mac sped up AS as well.
I noticed that AS transfers too much data from/to HDD. It is very annoying, especially when starting to write a new line of code. So, I think, better will be reinstalling a hard disk with SSD. I have i5 with 6 Gb of memory, and the CPU seldom loads more than 50% even at build time. So, the most weak place is HDD.
Click Help > Edit Custom properties and add this line:
sun.java2d.noddraw=false
... worked successfully for me to fix the speed issues (Windows 10 64-bit). It's absolute voodoo as far as I'm concerned (I haven't done any research on why that should work), and there is a warning above that property that it can cause blinking and fail to repaint on some graphics cards, but there you go. (Inspired by LairdPleng's comment, further information)
1 The most common cause of slowness is using Emulator, especially more than one. USB debugging with the external mobile device can be used.
2 Invalidate caches every month or so
One Simple thing that no one has mentioned is File>Invalidate Caches.
Please add in setting.gradle (root folder)
startParameter.offline=true
I have tried to measure speed of Android Studio 3.1.4 on the same hardware: Macbook Pro 2011, RAM 4Gb, SSD 240GB Samsung, Core i5 2.4Ghz. I have installed on this machine 3 different OS: Windows 10, MacOS Hight Sierra 10.13, Ubuntu 18.04. Avarage build time (running command: gradlew clean build, gradlew clean assembleRelease) on MacOS/Ubuntu was around 30% faster than on Windows.
On my another working machine: Core i5 3.0 Ghz 7400, RAM 16Gb, SSD 250Gb. Build time takes 4.34min on Windows 10 machine. The same project on a little bit slower processor, but with the same RAM and SSD and it is running Ubuntu 16.04 build time takes two times faster!! Well I was shocked with results, but still I choose Windows as development machine, because it's much more comfortable for me to use comfortable and usable keyboard and sotfware than on Unix like systems. And even if I had to choose between MacOS and Ubuntu - mac is really much easier to setup everything, and Ubuntu is too complex to use for usual people. Choise is up to you.
Apart from following the optimizations mentioned in existing answers (not much helpful, was still painfully slow), doing below did the trick for me.
HP Notebook with 6 GM RAM and i5 processor I have, still android studio was terribly slow.
After checking task manager for memory usage, noticed that there is a software called "HP Touchpoint Analytics Client" that was taking more than 1 GB memory.
Found that it's a spyware installed by HP in Windows 10 after searching about it in Google.
Uninstalled a bunch of HP software which does nothing and slows down the system.
Now, Android studio is considerably fast - Gradle build completes in less than 30 seconds when compared to more than 2 minutes before. Every keystroke would take 5 seconds to respond, now it is real time and performance is comparable with Eclipse.
This might be true for Laptops from other vendors as well like Dell, etc.
HP really messed up the user experience with their spyware for Windows 10 users.
Uninstall them, it will help Android studio and improves the overall laptop experience as well.
Hope this helps someone. Thanks.
Balance memory consumption and build speed using gradle options. For sample
Android Studio 2022.1.1 (PC RAM 16GB)
Gradle v7.3.3 (./gradle/wrapper/gradle-wrapper.properties)
AGP v7.2.0 (./build.gradle)
com.android.tools.build:gradle:7.2.0
Cache Fix Gradle Plugin
org.gradle.android.cache-fix:org.gradle.android.cache-fix.gradle.plugin:2.5.3
This Google Services dependency version supports Gradle Configuration Cache
com.google.gms:google-services:4.3.5
./gradle.properties
android.enableJetifier=true
android.jetifier.ignorelist=bcprov-jdk15on
android.useAndroidX=true
kapt.incremental.apt=true
kapt.use.worker.api=true
kotlin.daemon.jvm.options=-Xms1g -Xmx4g
manifestmerger.enabled=true
org.gradle.caching=true
org.gradle.configureondemand=true
org.gradle.daemon=true
org.gradle.jvmargs=-XX:InitialHeapSize=1g -XX:MaxHeapSize=6g -XX:MaxPermSize=2g -XX:MaxMetaspaceSize=2g -XX:NewSize=1g -XX:MaxNewSize=2g -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
org.gradle.parallel=true
org.gradle.unsafe.configuration-cache=true
org.gradle.unsafe.configuration-cache-problems=warn
Useful links:
https://proandroiddev.com/how-we-reduced-our-gradle-build-times-by-over-80-51f2b6d6b05b
https://developer.android.com/studio/build/profile-your-build#using-the-gradle---profile-option
I searched all day but haven't find a solution yet.
Today I installed Android Studio without any problems.
I added the correct path.
JAVA_HOME to C:\Program Files\Java\jdk1.8.0_20
and
JDK_HOME to C:\Program Files\Java\jdk1.8.0_20
But, when I start the program it freezes on the loading screen. (The gray picture with the green android logo and text Android Studio)
It does create a process that I can't close, but after waiting for 20 minutes it's still on that screen.
I tried a clean install, also I tried the 32bit version without any success because it complained about the jvm that I could not fix for some reason.
I also did an update for it, but without success.
I have no idea what else I can try to fix this, but I also don't see myself going back to eclipse.
What worked for me was to disconnect my android phone which was connected to the computer(in the debugging mode).
I went from 1.5 to 2.0 and after updating it wouldn't load (hung at the startup screen). I had to delete the .android folder, the android.15 folder and the .AndroidStudioPreview2.0 folder under user. I also had to rename the SDK folder and after it started up I rename it back to what it was. Which means I had to add the path back to android studio. This was the only way I got it to work.
The same issue. "Run as administrator" helped me.
Another possible solution comes from JLund (from the comments):
I did this from the command line:
adb kill-server
adb start-server
and that unfroze Android Studio at startup for me.
Make sure there is no ANDROID_SDK_HOME, ANDROID_HOME or the like defined as you environment variable. You might need to uninstall any Android SDK previously installed manually after removing those environment variable.
My Android Studio auto loads the last worked-on project.
I cancelled the loading project before the IDE hung.
The Android Studio launcher comes up. Select the "Open an existing..." option.
Windows 10
Java 1.8.0_131
Android Studio 3.2.1
Android Studio kept getting hung up on a white screen before the IDE loaded any buttons. I renamed the project that it was trying to load, restarted Android Studio, and selected another project and it loaded correctly.
I had to revamp all manually installed 'HOME' environments and start it again-
I just downloaded and installed Android Studio 0.8. When I ran it, I received a notice that there was an update. I immediately downloaded the patch and it auto-ran. After patching, the dialog titled "Update" appears to be stuck with the following prompt:
Updating Android Studio (build 135.1245622) to Android Studio
(build.135.1248636)
(progress bar animation)
Cleaning Up
If I click on the Cancel button, I get a new Yes/No dialog box saying:
The patch has not been applied yet.
Are you sure you want to abort the operation?
How can I fix this problem?
Running on Windows 8.1
JDK version 1.8.0_05
I've also experienced this with the latest updates (0.8.1 - 0.8.4), both in Windows 7 and Windows 8.1, but there's actually nothing wrong.
The "Cleaning Up" part takes an amazingly long time (literally, several minutes), but it finishes OK. You just need to wait. :)
Very surprising for what would seem to be such a small update (at least judging from the downloaded file size).
It took an hour for the "cleaning up..." step to finish on my Windows 8 machine. For whoever still has this problem, I don't know if it's a coincidence, but it finished 1 minute after I closed all my other open applications (e.g. browser).
I had the same issue while updating to version 0.8.2
The update froze at the 'cleaning up' screen. It was very late, so I let it run while I watched tv and fell asleep. Next morning I started my computer and the update screen was still there :O So I found this forum and did everything you guys said, but nothing seemed to work for me. I cancelled the update and got a Java IOException. It said that the update couldn't delete files and or folders inside the Temp folder of the LocalAppdata dir (C:\Users[UserName]\AppData\Local\Temp). I logged out and logged in again and started Android Studio. Everything ran fine and the update was succesfully applied.
So if someone experiences this too and the update freezes for longer than 1 hour, you can try to abort it, log out and log in again. And maybe it works again.
I believe this is to do with this, but I could be wrong:
On some Windows systems, the launcher script does not find where Java is installed. If you encounter this problem, you need to set an environment variable indicating the correct location.
Select Start menu > Computer > System Properties > Advanced System Properties. Then open Advanced tab > Environment Variables and add a new system variable JAVA_HOME that points to your JDK folder, for example C:\Program Files\Java\jdk1.7.0_21.
The problem has occurred for me for the last few updates, including the update to 0.8.4.
I'm on Windows 8.1 pro 64 bit.
I kill the cleanup window after a few minutes using Task Manager. I restart Android Studio, everything works as usual, and I can see the new update version number in Help > About (0.8.4 in this case).
This is listed in the Android Open Source Project - Issue Tracker - Updater from 0.8.1 hung on Cleaning Up
This issue is now fixed for me going from 0.8.4 to 0.8.5, as detailed at Issue 73989: Patch updating Studio fails on Windows because it cannot delete files
Note specifically that I attempted to delete all files in C:\Users****\AppData\Local\Temp\ manually.
I couldn't delete
"C:\Users****\AppData\Local\Temp\idea.updater.2226438342747264268.tmp\temp.4196595786233368387.tmp\lib\openapi.jar"
... until I restarted Windows.
So some mysterious lock on a file like that might be reproducing the problem for others.