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android: build apk using new python3 p4a toolchain

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SomberNight 7 years ago
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  1. 81
      electrum/gui/kivy/Readme.md
  2. 12
      electrum/gui/kivy/tools/buildozer.spec

81
electrum/gui/kivy/Readme.md
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@ -1,6 +1,9 @@
# Kivy GUI
The Kivy GUI is used with Electrum on Android devices. To generate an APK file, follow these instructions.
The Kivy GUI is used with Electrum on Android devices.
To generate an APK file, follow these instructions.
Recommended env: Ubuntu 18.04
## 1. Preliminaries
@ -21,10 +24,7 @@ sudo apt-get install python3-kivy
## 3. Install python-for-android (p4a)
p4a is used to package Electrum, Python, SDL and a bootstrap Java app into an APK file.
We patched p4a to add some functionality we need for Electrum. Until those changes are
merged into p4a, you need to merge them locally (into the master branch):
3.1 [kivy/python-for-android#1217](https://github.com/kivy/python-for-android/pull/1217)
We need some functionality not in p4a master, so for the time being we have our own fork.
Something like this should work:
@ -32,12 +32,9 @@ Something like this should work:
cd /opt
git clone https://github.com/kivy/python-for-android
cd python-for-android
git remote add agilewalker https://github.com/agilewalker/python-for-android
git remote add sombernight https://github.com/SomberNight/python-for-android
git fetch --all
git checkout 93759f36ba45c7bbe0456a4b3e6788622924cbac
git cherry-pick a2fb5ecbc09c4847adbcfd03c6b1ca62b3d09b8d # openssl-fix
git cherry-pick a0ef2007bc60ed642fbd8b61937995dbed0ddd24 # disable backups
git checkout f74226666af69f9915afaee9ef9292db85a6c617
```
## 4. Install buildozer
@ -51,31 +48,57 @@ sudo python3 setup.py install
```
4.2 Install additional dependencies:
```sh
sudo apt-get install python-pip
```
and the ones listed
[here](https://buildozer.readthedocs.io/en/latest/installation.html#targeting-android).
You will also need
(from [buildozer docs](https://buildozer.readthedocs.io/en/latest/installation.html#targeting-android))
```sh
sudo pip install --upgrade cython==0.21
sudo dpkg --add-architecture i386
sudo apt-get update
sudo apt-get install build-essential ccache git libncurses5:i386 libstdc++6:i386 libgtk2.0-0:i386 libpangox-1.0-0:i386 libpangoxft-1.0-0:i386 libidn11:i386 python2.7 python2.7-dev openjdk-8-jdk unzip zlib1g-dev zlib1g:i386
```
4.3 Download Android NDK
```sh
python3 -m pip install colorama appdirs sh jinja2
cd /opt
wget https://dl.google.com/android/repository/android-ndk-r14b-linux-x86_64.zip
unzip android-ndk-r14b-linux-x86_64.zip
```
## 5. Some more dependencies
4.3 Download the [Crystax NDK](https://www.crystax.net/en/download) manually.
Extract into `/opt/crystax-ndk-10.3.2`
```sh
python3 -m pip install colorama appdirs sh jinja2 cython==0.29
sudo apt-get install autotools-dev autoconf libtool pkg-config python3.7
```
## 5. Create the UI Atlas
In the `gui/kivy` directory of Electrum, run `make theming`.
## 6. Create the UI Atlas
In the `electrum/gui/kivy` directory of Electrum, run `make theming`.
## 6. Download Electrum dependencies
## 7. Download Electrum dependencies
```sh
sudo contrib/make_packages
```
## 7. Try building the APK and fail
## 8. Try building the APK and fail
### 1. Try and fail:
```sh
contrib/make_apk
```
Symlink android tools:
```sh
ln -sf ~/.buildozer/android/platform/android-sdk-24/tools ~/.buildozer/android/platform/android-sdk-24/tools.save
```
### 2. Try and fail:
```sh
contrib/make_apk
@ -84,47 +107,43 @@ contrib/make_apk
During this build attempt, buildozer downloaded some tools,
e.g. those needed in the next step.
## 8. Update the Android SDK build tools
## 9. Update the Android SDK build tools
### Method 1: Using the GUI
Start the Android SDK manager in GUI mode:
~/.buildozer/android/platform/android-sdk-20/tools/android
~/.buildozer/android/platform/android-sdk-24/tools/android
Check the latest SDK available and install it
("Android SDK Tools" and "Android SDK Platform-tools").
Close the SDK manager. Repeat until there is no newer version.
Reopen the SDK manager, and install the latest build tools
("Android SDK Build-tools"), 27.0.3 at the time of writing.
("Android SDK Build-tools"), 28.0.3 at the time of writing.
Install "Android 9">"SDK Platform".
Install "Android Support Repository" from the SDK manager (under "Extras").
### Method 2: Using the command line:
Repeat the following command until there is nothing to install:
~/.buildozer/android/platform/android-sdk-20/tools/android update sdk -u -t tools,platform-tools
~/.buildozer/android/platform/android-sdk-24/tools/android update sdk -u -t tools,platform-tools
Install Build Tools, android API 19 and Android Support Library:
~/.buildozer/android/platform/android-sdk-20/tools/android update sdk -u -t build-tools-27.0.3,android-19,extra-android-m2repository
~/.buildozer/android/platform/android-sdk-24/tools/android update sdk -u -t build-tools-28.0.3,android-28,extra-android-m2repository
(FIXME: build-tools is not getting installed?! use GUI for now.)
## 9. Build the APK
## 10. Build the APK
```sh
contrib/make_apk
```
# FAQ
## Why do I get errors like `package me.dm7.barcodescanner.zxing does not exist` while compiling?
Update your Android build tools to version 27 like described above.
## Why do I get errors like `(use -source 7 or higher to enable multi-catch statement)` while compiling?
Make sure that your p4a installation includes commit a3cc78a6d1a107cd3b6bd28db8b80f89e3ecddd2.
Also make sure you have recent SDK tools and platform-tools
## I changed something but I don't see any differences on the phone. What did I do wrong?
You probably need to clear the cache: `rm -rf .buildozer/android/platform/build/{build,dists}`

12
electrum/gui/kivy/tools/buildozer.spec
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@ -31,7 +31,7 @@ version.filename = %(source.dir)s/electrum/version.py
#version = 1.9.8
# (list) Application requirements
requirements = python3crystax==3.6, android, openssl, plyer, kivy==master, libsecp256k1
requirements = python3, android, openssl, plyer, kivy==master, libffi, libsecp256k1
# (str) Presplash of the application
#presplash.filename = %(source.dir)s/gui/kivy/theming/splash.png
@ -55,22 +55,22 @@ fullscreen = False
android.permissions = INTERNET, WRITE_EXTERNAL_STORAGE, READ_EXTERNAL_STORAGE, CAMERA
# (int) Android API to use
#android.api = 14
android.api = 28
# (int) Minimum API required (8 = Android 2.2 devices)
#android.minapi = 8
android.minapi = 21
# (int) Android SDK version to use
#android.sdk = 21
android.sdk = 24
# (str) Android NDK version to use
#android.ndk = 9
android.ndk = 14b
# (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 = /opt/crystax-ndk-10.3.2
android.ndk_path = /opt/android-ndk-r14b
# (str) Android SDK directory (if empty, it will be automatically downloaded.)
#android.sdk_path =

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