android permissions in python using request_permissions

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I am trying to create an android app that sends messages, but I can't get permission to do that. I am using request_permissions to get permission but nothing appears. I am sending a message with androidhelper_r6 and I will get:

AttributeError: 'Android' object has no attribute '_rpc'.

I don't know if it's because of no permission or to something else.

Python code:

class DemoApplicationApp(MDApp):

def build(self):
    self.screen = Builder.load_string(screen_helper)
    self.theme_cls.primary_palette = "Blue"
    request_permissions([Permission.SEND_SMS, Permission.INTERNET])
    return self.screen

def send_message(self):
    droid = android.Android()
    droid.smsSend("420xxxxxxxxx", "Message")
    
DemoApplicationApp().run()

buildozer.spec:

# (str) Title of your application
title = Demo

# (str) Package name
package.name = myapp

# (str) Package domain (needed for android/ios packaging)
package.domain = org.test

# (str) Source code where the main.py live
source.dir = .

# (list) Source files to include (let empty to include all the files)
source.include_exts = py,png,jpg,kv,atlas

# (list) List of inclusions using pattern matching
#source.include_patterns = assets/*,images/*.png

# (list) Source files to exclude (let empty to not exclude anything)
#source.exclude_exts = spec

# (list) List of directory to exclude (let empty to not exclude anything)
#source.exclude_dirs = tests, bin, venv

# (list) List of exclusions using pattern matching
#source.exclude_patterns = license,images/*/*.jpg

# (str) Application versioning (method 1)
version = 0.1

# (str) Application versioning (method 2)
# version.regex = __version__ = ['"](.*)['"]
# version.filename = %(source.dir)s/main.py

# (list) Application requirements
# comma separated e.g. requirements = sqlite3,kivy
requirements = python3,kivy,kivymd,pythonforandroid,jnius

# (str) Custom source folders for requirements
# Sets custom source for any requirements with recipes
# requirements.source.kivy = ../../kivy

# (str) Presplash of the application
#presplash.filename = %(source.dir)s/data/presplash.png

# (str) Icon of the application
#icon.filename = %(source.dir)s/data/icon.png

# (str) Supported orientation (one of landscape, sensorLandscape, portrait or all)
orientation = portrait

# (list) List of service to declare
#services = NAME:ENTRYPOINT_TO_PY,NAME2:ENTRYPOINT2_TO_PY

#
# OSX Specific
#

#
# author = © Copyright Info

# change the major version of python used by the app
osx.python_version = 3

# Kivy version to use
osx.kivy_version = 1.9.1

#
# Android specific
#

# (bool) Indicate if the application should be fullscreen or not
fullscreen = 0

# (string) Presplash background color (for android toolchain)
# Supported formats are: #RRGGBB #AARRGGBB or one of the following names:
# red, blue, green, black, white, gray, cyan, magenta, yellow, lightgray,
# darkgray, grey, lightgrey, darkgrey, aqua, fuchsia, lime, maroon, navy,
# olive, purple, silver, teal.
#android.presplash_color = #FFFFFF

# (string) Presplash animation using Lottie format.
# see https://lottiefiles.com/ for examples and https://airbnb.design/lottie/
# for general documentation.
# Lottie files can be created using various tools, like Adobe After Effect or Synfig.
#android.presplash_lottie = "path/to/lottie/file.json"

# (list) Permissions
#android.permissions = INTERNET,SEND_SMS,WRITE_EXTERNAL_STORAGE,READ_EXTERNAL_STORAGE

# (int) Target Android API, should be as high as possible.
#android.api = 29

# (int) Minimum API your APK will support.
#android.minapi = 21

# (int) Android SDK version to use
#android.sdk = 20

# (str) Android NDK version to use
#android.ndk = 19b

# (int) Android NDK API to use. This is the minimum API your app will support, it should usually match android.minapi.
#android.ndk_api = 21

# (bool) Use --private data storage (True) or --dir public storage (False)
#android.private_storage = True

# (str) Android NDK directory (if empty, it will be automatically downloaded.)
#android.ndk_path =

# (str) Android SDK directory (if empty, it will be automatically downloaded.)
#android.sdk_path =

# (str) ANT directory (if empty, it will be automatically downloaded.)
#android.ant_path =

# (bool) If True, then skip trying to update the Android sdk
# This can be useful to avoid excess Internet downloads or save time
# when an update is due and you just want to test/build your package
# android.skip_update = False

# (bool) If True, then automatically accept SDK license
# agreements. This is intended for automation only. If set to False,
# the default, you will be shown the license when first running
# buildozer.
# android.accept_sdk_license = False

# (str) Android entry point, default is ok for Kivy-based app
#android.entrypoint = org.renpy.android.PythonActivity

# (str) Android app theme, default is ok for Kivy-based app
# android.apptheme = "@android:style/Theme.NoTitleBar"

# (list) Pattern to whitelist for the whole project
#android.whitelist =

# (str) Path to a custom whitelist file
#android.whitelist_src =

# (str) Path to a custom blacklist file
#android.blacklist_src =

# (list) List of Java .jar files to add to the libs so that pyjnius can access
# their classes. Don't add jars that you do not need, since extra jars can slow
# down the build process. Allows wildcards matching, for example:
# OUYA-ODK/libs/*.jar
#android.add_jars = foo.jar,bar.jar,path/to/more/*.jar

# (list) List of Java files to add to the android project (can be java or a
# directory containing the files)
#android.add_src =

# (list) Android AAR archives to add (currently works only with sdl2_gradle
# bootstrap)
#android.add_aars =

# (list) Gradle dependencies to add (currently works only with sdl2_gradle
# bootstrap)
#android.gradle_dependencies =

# (list) add java compile options
# this can for example be necessary when importing certain java libraries using the 'android.gradle_dependencies' option
# see https://developer.android.com/studio/write/java8-support for further information
# android.add_compile_options = "sourceCompatibility = 1.8", "targetCompatibility = 1.8"

# (list) Gradle repositories to add {can be necessary for some android.gradle_dependencies}
# please enclose in double quotes 
# e.g. android.gradle_repositories = "maven { url 'https://kotlin.bintray.com/ktor' }"
#android.add_gradle_repositories =

# (list) packaging options to add 
# see https://google.github.io/android-gradle-dsl/current/com.android.build.gradle.internal.dsl.PackagingOptions.html
# can be necessary to solve conflicts in gradle_dependencies
# please enclose in double quotes 
# e.g. android.add_packaging_options = "exclude 'META-INF/common.kotlin_module'", "exclude 'META-INF/*.kotlin_module'"
#android.add_gradle_repositories =

# (list) Java classes to add as activities to the manifest.
#android.add_activities = com.example.ExampleActivity

# (str) OUYA Console category. Should be one of GAME or APP
# If you leave this blank, OUYA support will not be enabled
#android.ouya.category = GAME

# (str) Filename of OUYA Console icon. It must be a 732x412 png image.
#android.ouya.icon.filename = %(source.dir)s/data/ouya_icon.png

# (str) XML file to include as an intent filters in <activity> tag
#android.manifest.intent_filters =

# (str) launchMode to set for the main activity
#android.manifest.launch_mode = standard

# (list) Android additional libraries to copy into libs/armeabi
#android.add_libs_armeabi = libs/android/*.so
#android.add_libs_armeabi_v7a = libs/android-v7/*.so
#android.add_libs_arm64_v8a = libs/android-v8/*.so
#android.add_libs_x86 = libs/android-x86/*.so
#android.add_libs_mips = libs/android-mips/*.so

# (bool) Indicate whether the screen should stay on
# Don't forget to add the WAKE_LOCK permission if you set this to True
#android.wakelock = False

# (list) Android application meta-data to set (key=value format)
#android.meta_data =

# (list) Android library project to add (will be added in the
# project.properties automatically.)
#android.library_references =

# (list) Android shared libraries which will be added to AndroidManifest.xml using <uses-library> tag
#android.uses_library =

# (str) Android logcat filters to use
#android.logcat_filters = *:S python:D

# (bool) Copy library instead of making a libpymodules.so
#android.copy_libs = 1

# (str) The Android arch to build for, choices: armeabi-v7a, arm64-v8a, x86, x86_64
android.arch = armeabi-v7a

# (int) overrides automatic versionCode computation (used in build.gradle)
# this is not the same as app version and should only be edited if you know what you're doing
# android.numeric_version = 1

# (bool) enables Android auto backup feature (Android API >=23)
android.allow_backup = True

#
# Python for android (p4a) specific
#

# (str) python-for-android fork to use, defaults to upstream (kivy)
#p4a.fork = kivy

# (str) python-for-android branch to use, defaults to master
#p4a.branch = master

# (str) python-for-android git clone directory (if empty, it will be automatically cloned from github)
#p4a.source_dir =

# (str) The directory in which python-for-android should look for your own build recipes (if any)
#p4a.local_recipes =

# (str) Filename to the hook for p4a
#p4a.hook =

# (str) Bootstrap to use for android builds
# p4a.bootstrap = sdl2

# (int) port number to specify an explicit --port= p4a argument (eg for bootstrap flask)
#p4a.port =

# Control passing the --use-setup-py vs --ignore-setup-py to p4a
# "in the future" --use-setup-py is going to be the default behaviour in p4a, right now it is not
# Setting this to false will pass --ignore-setup-py, true will pass --use-setup-py
# NOTE: this is general setuptools integration, having pyproject.toml is enough, no need to generate
# setup.py if you're using Poetry, but you need to add "toml" to source.include_exts.
#p4a.setup_py = false


#
# iOS specific
#

# (str) Path to a custom kivy-ios folder
#ios.kivy_ios_dir = ../kivy-ios
# Alternately, specify the URL and branch of a git checkout:
ios.kivy_ios_url = https://github.com/kivy/kivy-ios
ios.kivy_ios_branch = master

# Another platform dependency: ios-deploy
# Uncomment to use a custom checkout
#ios.ios_deploy_dir = ../ios_deploy
# Or specify URL and branch
ios.ios_deploy_url = https://github.com/phonegap/ios-deploy
ios.ios_deploy_branch = 1.10.0

# (bool) Whether or not to sign the code
ios.codesign.allowed = false

# (str) Name of the certificate to use for signing the debug version
# Get a list of available identities: buildozer ios list_identities
#ios.codesign.debug = "iPhone Developer: <lastname> <firstname> (<hexstring>)"

# (str) Name of the certificate to use for signing the release version
#ios.codesign.release = %(ios.codesign.debug)s


[buildozer]

# (int) Log level (0 = error only, 1 = info, 2 = debug (with command output))
log_level = 2

# (int) Display warning if buildozer is run as root (0 = False, 1 = True)
warn_on_root = 1

# (str) Path to build artifact storage, absolute or relative to spec file
# build_dir = ./.buildozer

# (str) Path to build output (i.e. .apk, .ipa) storage
# bin_dir = ./bin

#    -----------------------------------------------------------------------------
#    List as sections
#
#    You can define all the "list" as [section:key].
#    Each line will be considered as a option to the list.
#    Let's take [app] / source.exclude_patterns.
#    Instead of doing:
#
#[app]
#source.exclude_patterns = license,data/audio/*.wav,data/images/original/*
#
#    This can be translated into:
#
#[app:source.exclude_patterns]
#license
#data/audio/*.wav
#data/images/original/*
#


#    -----------------------------------------------------------------------------
#    Profiles
#
#    You can extend section / key with a profile
#    For example, you want to deploy a demo version of your application without
#    HD content. You could first change the title to add "(demo)" in the name
#    and extend the excluded directories to remove the HD content.
#
#[app@demo]
#title = My Application (demo)
#
#[app:source.exclude_patterns@demo]
#images/hd/*
#
#    Then, invoke the command line with the "demo" profile:
#
#buildozer --profile demo android debug

Log from Android Studio:

$ adb shell am start -n "org.test.myapp/org.kivy.android.PythonActivity" -a 

I/python: [INFO   ] [GL          ] Using the "OpenGL ES 2" graphics system

I/python: [INFO   ] [GL          ] Backend used <sdl2>

I/python: [INFO   ] [GL          ] OpenGL version <b'OpenGL ES 2.0 (4.5.13401 Core Profile Context 
15.201.1301.0)'>

I/python: [INFO   ] [GL          ] OpenGL vendor <b'Google (ATI Technologies Inc.)'>

I/python: [INFO   ] [GL          ] OpenGL renderer <b'Android Emulator OpenGL ES Translator (AMD 
Radeon HD 6470M)'>

I/python: [INFO   ] [GL          ] OpenGL parsed version: 2, 0

I/python: [INFO   ] [GL          ] Texture max size <16384>

I/python: [INFO   ] [GL          ] Texture max units <18>

I/python: [INFO   ] [Window      ] auto add sdl2 input provider

I/python: [INFO   ] [Window      ] virtual keyboard not allowed, single mode, not docked

I/python: [INFO   ] [Text        ] Provider: sdl2

I/python: [INFO   ] [GL          ] NPOT texture support is available

V/PythonActivity: addPermissionsCallback(): Added callback for onRequestPermissionsResult

V/PythonActivity: onPause()

V/SDL: onPause()
nativePause()

V/SDL: onWindowFocusChanged(): false

I/python: [WARNING] [Base        ] Unknown <android> provider

I/python: [INFO   ] [Base        ] Start application main loop

V/PythonActivity: onRequestPermissionsResult()

onRequestPermissionsResult passed to callback

V/PythonActivity: onResume()

V/SDL: onResume()

V/SDL: onWindowFocusChanged(): true

nativeResume()

I/python: [WARNING] [Base        ] Failed to import "android" module. Could not remove android 
presplash.

I/python: [INFO   ] [Base        ] Leaving application in progress...

I/python:  Traceback (most recent call last):
I/python:    File "/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/app/main.py", 
line 130, in <module>
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/app.py", line 855, in run
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/base.py", line 504, in runTouchApp
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/core/window/window_sdl2.py", line 747, in mainloop
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/core/window/window_sdl2.py", line 479, in _mainloop
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/base.py", line 342, in idle
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/base.py", line 327, in dispatch_input
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/base.py", line 233, in post_dispatch_input
I/python:    File "kivy/_event.pyx", line 707, in kivy._event.EventDispatcher.dispatch
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/core/window/__init__.py", line 1402, in on_motion
I/python:    File "kivy/_event.pyx", line 707, in kivy._event.EventDispatcher.dispatch
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/core/window/__init__.py", line 1418, in on_touch_down
I/python:    File "kivy/_event.pyx", line 707, in kivy._event.EventDispatcher.dispatch
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/uix/screenmanager.py", line 1191, in on_touch_down
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/uix/widget.py", line 549, in on_touch_down
I/python:    File "kivy/_event.pyx", line 707, in kivy._event.EventDispatcher.dispatch
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/uix/relativelayout.py", line 288, in on_touch_down
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/uix/widget.py", line 549, in on_touch_down
I/python:    File "kivy/_event.pyx", line 707, in kivy._event.EventDispatcher.dispatch
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/uix/relativelayout.py", line 288, in on_touch_down
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/uix/widget.py", line 549, in on_touch_down
I/python:    File "kivy/_event.pyx", line 707, in kivy._event.EventDispatcher.dispatch
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/uix/widget.py", line 549, in on_touch_down
I/python:    File "kivy/_event.pyx", line 707, in kivy._event.EventDispatcher.dispatch
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/uix/screenmanager.py", line 1191, in on_touch_down
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/uix/widget.py", line 549, in on_touch_down
I/python:    File "kivy/_event.pyx", line 707, in kivy._event.EventDispatcher.dispatch
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/uix/relativelayout.py", line 288, in on_touch_down
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/uix/widget.py", line 549, in on_touch_down
I/python:    File "kivy/_event.pyx", line 707, in kivy._event.EventDispatcher.dispatch
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivymd/uix/behaviors/ripplebehavior.py", line 231, in on_touch_down
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivymd/uix/button.py", line 961, in on_touch_down
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/uix/behaviors/button.py", line 151, in on_touch_down
I/python:    File "kivy/_event.pyx", line 703, in kivy._event.EventDispatcher.dispatch
I/python:    File "kivy/_event.pyx", line 1214, in kivy._event.EventObservers.dispatch
I/python:    File "kivy/_event.pyx", line 1098, in kivy._event.EventObservers._dispatch
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/platform/build-armeabi- 
v7a/build/python-installs/myapp/kivy/lang/builder.py", line 64, in custom_callback
I/python:    File "<string>", line 24, in <module>
I/python:    File "/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/app/main.py", 
line 118, in send_message
I/python:    File 
"/home/subsystem/environments/MobileMsgSender_Copy/.buildozer/android/app/androidhelper_r6.py", line 
2071, in smsSend
I/python:  AttributeError: 'Android' object has no attribute '_rpc'
    Python for android ended
1

There are 1 best solutions below

1
On

The 'request_permissions' line is missing a callback method after the list of permissions

You can checkout this video where function is used https://youtu.be/okpiDnSR4z8 TimeStamp:(28:25)

Or you can checkout this github post https://github.com/kivy/buildozer/issues/1004