240 lines
10 KiB
ReStructuredText
240 lines
10 KiB
ReStructuredText
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Build options
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=============
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This page contains instructions for using different build options.
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Python versions
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---------------
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python2
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~~~~~~~
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Select this by adding it in your requirements, e.g. ``--requirements=python2``.
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This option builds Python 2.7.2 for your selected Android
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architecture. There are no special requirements, all the building is
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done locally.
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The python2 build is also the way python-for-android originally
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worked, even in the old toolchain.
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python3
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~~~~~~~
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.. warning::
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Python3 support is experimental, and some of these details
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may change as it is improved and fully stabilised.
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.. note:: You must manually download the `CrystaX NDK
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<https://www.crystax.net/android/ndk>`__ and tell
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python-for-android to use it with ``--ndk-dir /path/to/NDK``.
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Select this by adding the ``python3crystax`` recipe to your
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requirements, e.g. ``--requirements=python3crystax``.
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This uses the prebuilt Python from the `CrystaX NDK
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<https://www.crystax.net/android/ndk>`__, a drop-in replacement for
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Google's official NDK which includes many improvements. You
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*must* use the CrystaX NDK 10.3.0 or higher when building with
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python3. You can get it `here
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<https://www.crystax.net/en/download>`__.
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The python3crystax build is handled quite differently to python2 so
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there may be bugs or surprising behaviours. If you come across any,
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feel free to `open an issue
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<https://github.com/kivy/python-for-android>`__.
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.. _bootstrap_build_options:
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Bootstrap options
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-----------------
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python-for-android supports multiple app backends with different types
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of interface. These are called *bootstraps*.
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Currently the following bootstraps are supported, but we hope that it
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should be easy to add others if your project has different
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requirements. `Let us know
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<https://groups.google.com/forum/#!forum/python-android>`__ if you'd
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like help adding a new one.
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sdl2
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~~~~
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Use this with ``--bootstrap=sdl2``, or just include the
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``sdl2`` recipe, e.g. ``--requirements=sdl2,python2``.
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SDL2 is a popular cross-platform depelopment library, particularly for
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games. It has its own Android project support, which
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python-for-android uses as a bootstrap, and to which it adds the
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Python build and JNI code to start it.
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From the point of view of a Python program, SDL2 should behave as
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normal. For instance, you can build apps with Kivy or PySDL2
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and have them work with this bootstrap. It should also be possible to
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use e.g. pygame_sdl2, but this would need a build recipe and doesn't
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yet have one.
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Build options
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%%%%%%%%%%%%%
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The sdl2 bootstrap supports the following additional command line
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options (this list may not be exhaustive):
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- ``--private``: The directory containing your project files.
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- ``--package``: The Java package name for your project. Choose e.g. ``org.example.yourapp``.
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- ``--name``: The app name.
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- ``--version``: The version number.
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- ``--orientation``: Usually one of ``portait``, ``landscape``,
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``sensor`` to automatically rotate according to the device
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orientation, or ``user`` to do the same but obeying the user's
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settings. The full list of valid options is given under
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``android:screenOrientation`` in the `Android documentation
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<https://developer.android.com/guide/topics/manifest/activity-element.html>`__.
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- ``--icon``: A path to the png file to use as the application icon.
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- ``--permission``: A permission name for the app,
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e.g. ``--permission VIBRATE``. For multiple permissions, add
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multiple ``--permission`` arguments.
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- ``--meta-data``: Custom key=value pairs to add in the application metadata.
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- ``--presplash``: A path to the image file to use as a screen while
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the application is loading.
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- ``--presplash-color``: The presplash screen background color, of the
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form ``#RRGGBB`` or a color name ``red``, ``green``, ``blue`` etc.
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- ``--wakelock``: If the argument is included, the application will
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prevent the device from sleeping.
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- ``--window``: If the argument is included, the application will not
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cover the Android status bar.
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- ``--blacklist``: The path to a file containing blacklisted patterns
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that will be excluded from the final APK. Defaults to ``./blacklist.txt``.
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- ``--whitelist``: The path to a file containing whitelisted patterns
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that will be included in the APK even if also blacklisted.
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- ``--add-jar``: The path to a .jar file to include in the APK. To
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include multiple jar files, pass this argument multiple times.
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- ``--intent-filters``: A file path containing intent filter xml to be
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included in AndroidManifest.xml.
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- ``--service``: A service name and the Python script it should
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run. See :ref:`arbitrary_scripts_services`.
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- ``--add-source``: Add a source directory to the app's Java code.
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- ``--no-compile-pyo``: Do not optimise .py files to .pyo.
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webview
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~~~~~~~
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You can use this with ``--bootstrap=webview``, or include the
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``webviewjni`` recipe, e.g. ``--requirements=webviewjni,python2``.
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The webview bootstrap gui is, per the name, a WebView displaying a
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webpage, but this page is hosted on the device via a Python
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webserver. For instance, your Python code can start a Flask
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application, and your app will display and allow the user to navigate
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this website.
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.. note:: Your Flask script must start the webserver *without*
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:code:``debug=True``. Debug mode doesn't seem to work on
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Android due to use of a subprocess.
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This bootstrap will automatically try to load a website on port 5000
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(the default for Flask), or you can specify a different option with
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the `--port` command line option. If the webserver is not immediately
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present (e.g. during the short Python loading time when first
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started), it will instead display a loading screen until the server is
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ready.
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- ``--private``: The directory containing your project files.
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- ``--package``: The Java package name for your project. Choose e.g. ``org.example.yourapp``.
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- ``--name``: The app name.
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- ``--version``: The version number.
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- ``--orientation``: Usually one of ``portait``, ``landscape``,
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``sensor`` to automatically rotate according to the device
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orientation, or ``user`` to do the same but obeying the user's
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settings. The full list of valid options is given under
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``android:screenOrientation`` in the `Android documentation
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<https://developer.android.com/guide/topics/manifest/activity-element.html>`__.
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- ``--icon``: A path to the png file to use as the application icon.
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- ``-- permission``: A permission name for the app,
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e.g. ``--permission VIBRATE``. For multiple permissions, add
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multiple ``--permission`` arguments.
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- ``--meta-data``: Custom key=value pairs to add in the application metadata.
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- ``--presplash``: A path to the image file to use as a screen while
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the application is loading.
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- ``--presplash-color``: The presplash screen background color, of the
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form ``#RRGGBB`` or a color name ``red``, ``green``, ``blue`` etc.
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- ``--wakelock``: If the argument is included, the application will
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prevent the device from sleeping.
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- ``--window``: If the argument is included, the application will not
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cover the Android status bar.
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- ``--blacklist``: The path to a file containing blacklisted patterns
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that will be excluded from the final APK. Defaults to ``./blacklist.txt``.
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- ``--whitelist``: The path to a file containing whitelisted patterns
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that will be included in the APK even if also blacklisted.
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- ``--add-jar``: The path to a .jar file to include in the APK. To
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include multiple jar files, pass this argument multiple times.
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- ``--intent-filters``: A file path containing intent filter xml to be
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included in AndroidManifest.xml.
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- ``--service``: A service name and the Python script it should
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run. See :ref:`arbitrary_scripts_services`.
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- ``add-source``: Add a source directory to the app's Java code.
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- ``--port``: The port on localhost that the WebView will
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access. Defaults to 5000.
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pygame
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~~~~~~
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You can use this with ``--bootstrap=pygame``, or simply include the
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``pygame`` recipe in your ``--requirements``.
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The pygame bootstrap is the original backend used by Kivy, and still
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works fine for use with Kivy apps. It may also work for pure pygame
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apps, but hasn't been developed with this in mind.
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This bootstrap will eventually be deprecated in favour of sdl2, but
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not before the sdl2 bootstrap includes all the features that would be
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lost.
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Build options
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%%%%%%%%%%%%%
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The pygame bootstrap supports the following additional command line
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options (this list may not be exhaustive):
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- ``--private``: The directory containing your project files.
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- ``--dir``: The directory containing your project files if you want
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them to be unpacked to the external storage directory rather than
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the app private directory.
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- ``--package``: The Java package name for your project. Choose e.g. ``org.example.yourapp``.
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- ``--name``: The app name.
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- ``--version``: The version number.
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- ``--orientation``: One of ``portait``, ``landscape`` or ``sensor``
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to automatically rotate according to the device orientation.
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- ``--icon``: A path to the png file to use as the application icon.
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- ``--ignore-path``: A path to ignore when including the app
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files. Pass multiple times to ignore multiple paths.
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- ``-- permission``: A permission name for the app,
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e.g. ``--permission VIBRATE``. For multiple permissions, add
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multiple ``--permission`` arguments.
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- ``--meta-data``: Custom key=value pairs to add in the application metadata.
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- ``--presplash``: A path to the image file to use as a screen while
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the application is loading.
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- ``--wakelock``: If the argument is included, the application will
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prevent the device from sleeping.
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- ``--window``: If the argument is included, the application will not
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cover the Android status bar.
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- ``--blacklist``: The path to a file containing blacklisted patterns
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that will be excluded from the final APK. Defaults to ``./blacklist.txt``.
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- ``--whitelist``: The path to a file containing whitelisted patterns
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that will be included in the APK even if also blacklisted.
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- ``--add-jar``: The path to a .jar file to include in the APK. To
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include multiple jar files, pass this argument multiple times.
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- ``--intent-filters``: A file path containing intent filter xml to be
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included in AndroidManifest.xml.
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- ``--service``: A service name and the Python script it should
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run. See :ref:`arbitrary_scripts_services`.
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- ``add-source``: Add a source directory to the app's Java code.
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- ``--compile-pyo``: Optimise .py files to .pyo.
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- ``--resource``: A key=value pair to add in the string.xml resource file.
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