URI: 
       tandroid build: update p4a, buildozer, base ubuntu - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
   DIR Refs
   DIR Submodules
       ---
   DIR commit 528c8c674c9c610ec1513c121f73cba51195194d
   DIR parent 9547a4e60cf4ee8a05a48c96fb8694ff8f3cb767
  HTML Author: SomberNight <somber.night@protonmail.com>
       Date:   Tue, 30 Jun 2020 20:18:22 +0200
       
       android build: update p4a, buildozer, base ubuntu
       
       also, pull in upstream p4a dockerfile changes
       https://github.com/kivy/python-for-android/pull/2231
       https://github.com/kivy/python-for-android/pull/2218
       
       Diffstat:
         M contrib/android/Dockerfile          |      45 +++++++++++++++-----------------
         M contrib/android/Readme.md           |       2 +-
       
       2 files changed, 22 insertions(+), 25 deletions(-)
       ---
   DIR diff --git a/contrib/android/Dockerfile b/contrib/android/Dockerfile
       t@@ -1,6 +1,8 @@
        # based on https://github.com/kivy/python-for-android/blob/master/Dockerfile
        
       -FROM ubuntu:18.04
       +FROM ubuntu:20.04
       +
       +ENV DEBIAN_FRONTEND=noninteractive
        
        ENV ANDROID_HOME="/opt/android"
        
       t@@ -38,10 +40,11 @@ RUN curl --location --progress-bar \
        ENV ANDROID_SDK_HOME="${ANDROID_HOME}/android-sdk"
        
        # get the latest version from https://developer.android.com/studio/index.html
       -ENV ANDROID_SDK_TOOLS_VERSION="4333796"
       -ENV ANDROID_SDK_BUILD_TOOLS_VERSION="28.0.3"
       -ENV ANDROID_SDK_TOOLS_ARCHIVE="sdk-tools-linux-${ANDROID_SDK_TOOLS_VERSION}.zip"
       +ENV ANDROID_SDK_TOOLS_VERSION="6514223"
       +ENV ANDROID_SDK_BUILD_TOOLS_VERSION="29.0.3"
       +ENV ANDROID_SDK_TOOLS_ARCHIVE="commandlinetools-linux-${ANDROID_SDK_TOOLS_VERSION}_latest.zip"
        ENV ANDROID_SDK_TOOLS_DL_URL="https://dl.google.com/android/repository/${ANDROID_SDK_TOOLS_ARCHIVE}"
       +ENV ANDROID_SDK_MANAGER="${ANDROID_SDK_HOME}/tools/bin/sdkmanager --sdk_root=${ANDROID_SDK_HOME}"
        
        # download and install Android SDK
        RUN curl --location --progress-bar \
       t@@ -58,15 +61,15 @@ RUN mkdir --parents "${ANDROID_SDK_HOME}/.android/" \
        
        # accept Android licenses (JDK necessary!)
        RUN apt -y update -qq \
       -    && apt -y install -qq --no-install-recommends openjdk-8-jdk \
       +    && apt -y install -qq --no-install-recommends openjdk-13-jdk \
            && apt -y autoremove
       -RUN yes | "${ANDROID_SDK_HOME}/tools/bin/sdkmanager" --licenses > /dev/null
       +RUN yes | ${ANDROID_SDK_MANAGER} --licenses > /dev/null
        
        # download platforms, API, build tools
       -RUN "${ANDROID_SDK_HOME}/tools/bin/sdkmanager" "platforms;android-24" > /dev/null && \
       -    "${ANDROID_SDK_HOME}/tools/bin/sdkmanager" "platforms;android-28" > /dev/null && \
       -    "${ANDROID_SDK_HOME}/tools/bin/sdkmanager" "build-tools;${ANDROID_SDK_BUILD_TOOLS_VERSION}" > /dev/null && \
       -    "${ANDROID_SDK_HOME}/tools/bin/sdkmanager" "extras;android;m2repository" > /dev/null && \
       +RUN ${ANDROID_SDK_MANAGER} "platforms;android-24" > /dev/null && \
       +    ${ANDROID_SDK_MANAGER} "platforms;android-28" > /dev/null && \
       +    ${ANDROID_SDK_MANAGER} "build-tools;${ANDROID_SDK_BUILD_TOOLS_VERSION}" > /dev/null && \
       +    ${ANDROID_SDK_MANAGER} "extras;android;m2repository" > /dev/null && \
            chmod +x "${ANDROID_SDK_HOME}/tools/bin/avdmanager"
        
        # download ANT
       t@@ -96,14 +99,6 @@ RUN apt -y update -qq \
                software-properties-common libssl-dev \
            && apt -y autoremove
        
       -# install kivy
       -RUN add-apt-repository ppa:kivy-team/kivy \
       -    && apt -y update -qq  \
       -    && apt -y install -qq --no-install-recommends python3-kivy \
       -    && apt -y autoremove \
       -    && apt -y clean
       -RUN python3 -m pip install image
       -
        # build dependencies
        # https://buildozer.readthedocs.io/en/latest/installation.html#android-on-ubuntu-16-04-64bit
        RUN dpkg --add-architecture i386 \
       t@@ -111,7 +106,7 @@ RUN dpkg --add-architecture i386 \
            && apt -y install -qq --no-install-recommends \
                build-essential ccache git python3 python3-dev \
                libncurses5:i386 libstdc++6:i386 libgtk2.0-0:i386 \
       -        libpangox-1.0-0:i386 libpangoxft-1.0-0:i386 libidn11:i386 \
       +        libidn11:i386 \
                zip zlib1g-dev zlib1g:i386 \
            && apt -y autoremove \
            && apt -y clean
       t@@ -140,9 +135,11 @@ RUN chown ${USER} /opt
        USER ${USER}
        
        
       -RUN python3 -m pip install --upgrade cython==0.28.6
       -RUN python3 -m pip install --upgrade pip
       -RUN python3 -m pip install --user wheel
       +RUN python3 -m pip install --user --upgrade pip
       +RUN python3 -m pip install --user --upgrade wheel
       +RUN python3 -m pip install --user --upgrade cython==0.29.19
       +RUN python3 -m pip install --user --pre kivy
       +RUN python3 -m pip install --user image
        
        # prepare git
        RUN git config --global user.name "John Doe" \
       t@@ -154,7 +151,7 @@ RUN cd /opt \
            && cd buildozer \
            && git remote add sombernight https://github.com/SomberNight/buildozer \
            && git fetch --all \
       -    && git checkout "d0323c165dd5d9aa23d5eb01044474fe006c3420^{commit}" \
       +    && git checkout "94cfcb8d591c11d6ad0e11f129b08c1e27a161c5^{commit}" \
            && python3 -m pip install --user -e .
        
        # install python-for-android
       t@@ -163,7 +160,7 @@ RUN cd /opt \
            && cd python-for-android \
            && git remote add sombernight https://github.com/SomberNight/python-for-android \
            && git fetch --all \
       -    && git checkout "cef08b92268fe69ef331699c2205cbb091e730f0^{commit}" \
       +    && git checkout "257cfacbdd523af0b5b6bb5b2ba64ab7a5c82d58^{commit}" \
            && python3 -m pip install --user -e .
        
        # build env vars
   DIR diff --git a/contrib/android/Readme.md b/contrib/android/Readme.md
       t@@ -63,7 +63,7 @@ folder.
        ## FAQ
        
        ### 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}`
       +You probably need to clear the cache: `rm -rf .buildozer/android/platform/build-*/{build,dists}`
        
        
        ### How do I deploy on connected phone for quick testing?