Is there a way to run Python on Android

Question

We are working on an S60 version and this platform has a nice Python API    However  there is nothing official about Python on Android  but since Jython exists  is there a way to let the snake and the robot work together

User · Answer

Yes    Android Scripting Environment  An example via Matt Cutts via SL4A --  here   s a barcode scanner written in six lines of Python code   import android droid   android Android   code   droid scanBarcode   isbn   int code  result    SCAN RESULT    url    http   books google com q  d    isbn droid startActivity  android intent action VIEW   url

User · Answer

You can use QPython   It has a Python Console  Editor  as well as Package Management   Installers  http   qpython com   It s an open source project with both Python 2 and Python 3 implementations  You can download the source and the Android  apk files directly from github   QPython 2  https   github com qpython-android qpython releases  QPython 3  https   github com qpython-android qpython3 releases

User · Answer

Here are some tools listed in official python website    There is an app called QPython3 in playstore which can be used for both editing and running python script   Playstore link    Another app called Termux in which you can install python using command  pkg install python   Playstore Link    If you want develop apps   there is Python Android Scripting Layer  SL4A     The Scripting Layer for Android  SL4A  is an open source application that allows programs written in a range of interpreted languages to run on Android  It also provides a high level API that allows these programs to interact with the Android device  making it easy to do stuff like accessing sensor data  sending an SMS  rendering user interfaces and so on     You can also check PySide for Android  which is actually Python bindings for the Qt 4     There s a platform called PyMob where apps can be written purely in Python and the compiler tool-flow  PyMob  converts them in native source codes for various platforms      Also check python-for-android  python-for-android is an open source build tool to let you package Python code into standalone android APKs  These can be passed around  installed  or uploaded to marketplaces such as the Play Store just like any other Android app  This tool was originally developed for the Kivy cross-platform graphical framework  but now supports multiple bootstraps and can be easily extended to package other types of Python apps for Android     Try Chaquopy A Python SDK for Android    Anddd    BeeWare  BeeWare allows you to write your app in Python and release it on multiple platforms  No need to rewrite the app in multiple programming languages  It means no issues with build tools  environments  compatibility  etc

User · Answer

One more option seems to be pyqtdeploy which citing the docs is      a tool that  in conjunction with other tools provided with Qt  enables   the deployment of PyQt4 and PyQt5 applications written with Python   v2 7 or Python v3 3 or later  It supports deployment to desktop   platforms  Linux  Windows and OS X  and to mobile platforms  iOS and   Android     According to Deploying PyQt5 application to Android via pyqtdeploy and Qt5 it is actively developed  although it is difficult to find examples of working Android apps or tutorial on how to cross-compile all the required libraries to Android  It is an interesting project to keep in mind though

User · Answer

As a Python lover and Android programmer  I m sad to say this is not a good way to go  There are two problems   One problem is that there is a lot more than just a programming language to the Android development tools  A lot of the Android graphics involve XML files to configure the display  similar to HTML  The built-in java objects are integrated with this XML layout  and it s a lot easier than writing your code to go from logic to bitmap   The other problem is that the G1  and probably other Android devices for the near future  are not that fast  200 MHz processors and RAM is very limited  Even in Java  you have to do a decent amount of rewriting-to-avoid-more-object-creation if you want to make your app perfectly smooth  Python is going to be too slow for a while still on mobile devices

User · Answer

Yet another attempt  https   code google com p android-python27   This one embed directly the Python interpretter in your app apk

User · Answer

One way is to use Kivy      Open source Python library for rapid development of applications   that make use of innovative user interfaces  such as multi-touch apps         Kivy runs on Linux  Windows  OS X  Android and iOS  You can run the same  python  code on all supported platforms    Kivy Showcase app

User · Answer

There is also the new Android Scripting Environment  ASE SL4A  project  It looks awesome  and it has some integration with native Android components    Note  no longer under  active development   but some forks may be

User · Answer

As a Python lover and Android programmer  I m sad to say this is not a good way to go  There are two problems   One problem is that there is a lot more than just a programming language to the Android development tools  A lot of the Android graphics involve XML files to configure the display  similar to HTML  The built-in java objects are integrated with this XML layout  and it s a lot easier than writing your code to go from logic to bitmap   The other problem is that the G1  and probably other Android devices for the near future  are not that fast  200 MHz processors and RAM is very limited  Even in Java  you have to do a decent amount of rewriting-to-avoid-more-object-creation if you want to make your app perfectly smooth  Python is going to be too slow for a while still on mobile devices

User · Answer

You can run your Python code using sl4a  sl4a supports Python  Perl  JRuby  Lua  BeanShell  JavaScript  Tcl  and shell script   You can learn sl4a Python Examples

User · Answer

Chaquopy  Chaquopy is a plugin for Android Studio s Gradle-based build system  It focuses on close integration with the standard Android development tools    It provides complete APIs to call Java from Python or Python from Java  allowing the developer to use whichever language is best for each component of their app  It can automatically download PyPI packages and build them into an app  including selected native packages such as NumPy  It enables full access to all Android APIs from Python  including the native user interface toolkit  example pure-Python activity     This is a commercial product  but it s free for open-source use and will always remain that way    I am the creator of this product

User · Answer

From the Python for android site      Python for android is a project to create your own Python distribution including the modules you want  and create an apk including python  libs  and your application

User · Answer

Using SL4A  which has already been mentioned by itself in other answers  you can run a full-blown web2py instance  other python web frameworks are likely candidates as well    SL4A doesn t allow you to do native UI components  buttons  scroll bars  and the like   but it does support WebViews   A WebView is basically nothing more than a striped down web browser pointed at a fixed address  I believe the native Gmail app uses a WebView instead of going the regular widget route     This route would have some interesting features    In the case of most python web frameworks  you could actually develop and test without using an android device or android emulator  Whatever Python code you end up writing for the phone could also be put on a public webserver with very little  if any   modification  You could take advantage of all of the crazy web stuff out there  query  HTML5  CSS3  etc

User · Answer

Not at the moment and you would be lucky to get Jython to work soon  If you re planning to start your development now you would be better off with just sticking to Java for now on

User · Answer

Scripting Layer for Android  SL4A does what you want  You can easily install it directly onto your device from their site  and do not need root   It supports a range of languages  Python is the most mature  By default  it uses Python 2 6  but there is a 3 2 port you can use instead  I have used that port for all kinds of things on a Galaxy S2 and it worked fine   API  SL4A provides a port of their android library for each supported language  The library provides an interface to the underlying Android API through a single Android object   from android import Android  droid   Android   droid ttsSpeak  hello world     example using the text to speech facade   Each language has pretty much the same API  You can even use the JavaScript API inside webviews   let droid   new Android    droid ttsSpeak  hello from js      User Interfaces  For user interfaces  you have three options    You can easily use the generic  native dialogues and menus through the API  This is good for confirmation dialogues and other basic user inputs  You can also open a webview from inside a Python script  then use HTML5 for the user interface  When you use webviews from Python  you can pass messages back and forth  between the webview and the Python process that spawned it  The UI will not be native  but it is still a good option to have  There is some support for native Android user interfaces  but I am not sure how well it works  I just haven t ever used it    You can mix options  so you can have a webview for the main interface  and still use native dialogues   QPython  There is a third party project named QPython  It builds on SL4A  and throws in some other useful stuff   QPython gives you a nicer UI to manage your installation  and includes a little  touchscreen code editor  a Python shell  and a PIP shell for package management  They also have a Python 3 port  Both versions are available from the Play Store  free of charge  QPython also bundles libraries from a bunch of Python on Android projects  including Kivy  so it is not just SL4A   Note that QPython still develop their fork of SL4A  though  not much to be honest   The main SL4A project itself is pretty much dead   Useful Links   SL4A Project  now on GitHub   https   github com damonkohler sl4a SL4A Python 3 Port  https   code google com p python-for-android wiki Python3 QPython Project  http   qpython com Learn SL4A  Tutorialspoint   https   www tutorialspoint com sl4a index htm

User · Answer

Another option if you are looking for 3 4 2 or 3 5 1 is this archive on GitHub     Python3-Android 3 4 2 or Python3-Android 3 5 1  It currently supports Python 3 4 2 or 3 5 1 and the 10d version of the NDK   It can also support 3 3 and 9c  11c and 12  It s nice in that you simply download it  run make and you get the  so or the  a  I currently use this to run raw Python on android devices  With a couple modifications to the build files you can also make x86 and armeabi 64 bit

User · Answer

Termux  You can use the Termux app  which provides a POSIX environment for Android  to install Python   Note that apt install python will install Python3 on Termux  For Python2  you need to use apt install python2    Some demos  https   www youtube com watch v fqqsl72mASE The GitHub project  https   github com termux

User · Answer

Cross-Compilation  amp  Ignifuga  My blog has instructions and a patch for cross compiling Python 2 7 2 for Android   I ve also open sourced Ignifuga  my 2D Game Engine  It s Python SDL based  and it cross compiles for Android  Even if you don t use it for games  you might get useful ideas from the code or builder utility  named Schafer  after Tim    you know who

User · Answer

Check out enaml-native which takes the react-native concept and applies it to python    It lets users build apps with native Android widgets and provides APIs to use android and java libraries from python    It also integrates with android-studio and shares a few of react s nice dev features like code reloading and remote debugging

User · Answer

QPython  I use the QPython app  It s free and includes a code editor  an interactive interpreter and a package manager  allowing you to create and execute Python programs directly on your device

User · Answer

Take a look at BeeWare  It has grown significantly  It is awarded with PSF  Python Software Foundation  Education Grant  Beeware s aim is to be able to create native apps with Python for all supported operating systems  including Android  Official Website  Beeware Github Repo  https   github com beeware

User · Answer

Didn t see this posted here  but you can do it with Pyside and Qt now that Qt works on Android thanks to Necessitas   It seems like quite a kludge at the moment but could be a viable route eventually     http   qt-project org wiki PySide for Android guide

User · Answer

Pygame Subset for Android  Pygame is a 2D game engine for Python  on desktop  that is popular with new programmers  The Pygame Subset for Android describes itself as           a port of a subset of Pygame functionality to the Android platform  The goal of the project is to allow the creation of Android-specific games  and to ease the porting of games from PC-like platforms to Android    The examples include a complete game packaged as an APK  which is pretty interesting

User · Answer

Kivy  I wanted to add to what  JohnMudd has written about Kivy  It has been years since the situation he described  and Kivy has evolved substantially   The biggest selling point of Kivy  in my opinion  is its cross-platform compatibility  You can code and test everything using any desktop environment  Windows  nix etc    then package your app for a range of different platforms  including Android  iOS  MacOS and Windows  though apps often lack the native look and feel    With Kivy s own KV language  you can code and build the GUI interface easily  it s just like Java XML  but rather than TextView etc   KV has its own ui widgets for a similar translation   which is in my opinion quite easy to adopt   Currently Buildozer and python-for-android are the most recommended tools to build and package your apps  I have tried them both and can firmly say that they make building Android apps with Python a breeze  Their guides are well documented too   iOS is another big selling point of Kivy  You can use the same code base with few changes required via kivy-ios Homebrew tools  although Xcode is required for the build  before running on their devices  AFAIK the iOS Simulator in Xcode currently doesn t work for the x86-architecture build   There are also some dependency issues which must be manually compiled and fiddled around with in Xcode to have a successful build  but they wouldn t be too difficult to resolve and people in Kivy Google Group are really helpful too   With all that being said  users with good Python knowledge should have no problem picking up the basics quickly   If you are using Kivy for more serious projects  you may find existing modules unsatisfactory  There are some workable solutions though  With the  work in progress  pyjnius for Android  and pyobjus  users can now access Java Objective-C classes to control some of the native APIs

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