android: update kivy, p4a, buildozer

electrum/gui/kivy/tools/Dockerfile

@@ -127,6 +127,8 @@ 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
 
 # prepare git
 RUN git config --global user.name "John Doe" \
@@ -136,8 +138,8 @@ RUN git config --global user.name "John Doe" \
 RUN cd /opt \
     && git clone https://github.com/kivy/buildozer \
     && cd buildozer \
-    && git checkout 88e4a4b0c7733eec1d14c00579ec412fb59ad7f2 \
+    && git checkout 678b1bf52cf63daa51b06e86a43ea4e2ea8a0b24 \
-    && python3 -m pip install -e .
+    && python3 -m pip install --user -e .
 
 # install python-for-android
 RUN cd /opt \
@@ -145,12 +147,12 @@ RUN cd /opt \
     && cd python-for-android \
     && git remote add sombernight https://github.com/SomberNight/python-for-android \
     && git fetch --all \
-    && git checkout dec1badc3bd134a9a1c69275339423a95d63413e \
+    && git checkout ccb0f8e1bab36f1b7d1508216b4b4afb076e614f \
        # allowBackup="false":
     && git cherry-pick d7f722e4e5d4b3e6f5b1733c95e6a433f78ee570 \
-       # enable IPv6:
+       # fix gradle "versionCode" overflow:
-    && git cherry-pick a607f4a446773ac0b0a5150171092b0617fbe670 \
+    && git cherry-pick ed20e196fbcdce718a180f88f23bb2d165c4c5d8 \
-    && python3 -m pip install -e .
+    && python3 -m pip install --user -e .
 
 # build env vars
 ENV USE_SDK_WRAPPER=1

electrum/gui/kivy/tools/buildozer.spec

@@ -35,7 +35,14 @@ version.filename = %(source.dir)s/electrum/version.py
 #version = 1.9.8
 
 # (list) Application requirements
-requirements = python3, android, openssl, plyer, kivy==b47f669f44dbda4f463bcb7d2cada639f7fed3bc, libffi, libsecp256k1
+requirements =
+    python3,
+    android,
+    openssl,
+    plyer,
+    kivy==82d561d62577757d478df52173610f925c05ecab,
+    libffi,
+    libsecp256k1
 
 # (str) Presplash of the application
 #presplash.filename = %(source.dir)s/gui/kivy/theming/splash.png
@@ -64,11 +71,8 @@ android.api = 28
 # (int) Minimum API required. You will need to set the android.ndk_api to be as low as this value.
 android.minapi = 21
 
-# (int) Android SDK version to use
-android.sdk = 24
-
 # (str) Android NDK version to use
-android.ndk = 14b
+android.ndk = 17c
 
 # (int) Android NDK API to use (optional). This is the minimum API your app will support.
 android.ndk_api = 21