ci: build android 32 bit apk

Author: johnny9

.cirrus.yml

@@ -393,3 +393,26 @@ task:
     - cp src/qt/android/build/outputs/apk/debug/android-debug.apk ${CIRRUS_WORKING_DIR}/unsecure_android.apk
   unsecure_android_apk_artifacts:
     path: "unsecure_android.apk"
+
+task:
+  name: 'ARM32 Android APK [jammy]'
+  alias: android32
+  << : *CONTAINER_DEPENDS_TEMPLATE
+  container:
+    docker_arguments:
+      CI_IMAGE_NAME_TAG: ubuntu:jammy
+      FILE_ENV: "./ci/test/00_setup_env_android32.sh"
+  << : *CREDITS_TEMPLATE
+  android_sdk_cache:
+    folder: "depends/SDKs/android"
+    fingerprint_key: "ANDROID_API_LEVEL=28 ANDROID_BUILD_TOOLS_VERSION=28.0.3 ANDROID_NDK_VERSION=23.2.8568313"
+  depends_sources_cache:
+    folder: "depends/sources"
+    fingerprint_script: git rev-parse HEAD:depends/packages
+  << : *MAIN_TEMPLATE
+  env:
+    << : *CIRRUS_EPHEMERAL_WORKER_TEMPLATE_ENV
+  copy_artifacts_script:
+    - cp src/qt/android/build/outputs/apk/debug/android-debug.apk ${CIRRUS_WORKING_DIR}/unsecure_android_32bit.apk
+  unsecure_android_32bit_apk_artifacts:
+    path: "unsecure_android_32bit.apk"

.github/PULL_REQUEST_TEMPLATE.md

@@ -49,4 +49,5 @@ Links for Windows and macOS build artifacts. Replace <PR> with the assigned pull
 [![Intel macOS](https://img.shields.io/badge/OS-Intel%20macOS-green)](https://api.cirrus-ci.com/v1/artifact/github/bitcoin-core/gui-qml/macos/unsecure_mac_gui.zip?branch=pull/<PR>)
 [![Apple Silicon macOS](https://img.shields.io/badge/OS-Apple%20Silicon%20macOS-green)](https://api.cirrus-ci.com/v1/artifact/github/bitcoin-core/gui-qml/macos_arm64/unsecure_mac_arm64_gui.zip?branch=pull/<PR>)
 [![ARM64 Android](https://img.shields.io/badge/OS-Android-green)](https://api.cirrus-ci.com/v1/artifact/github/bitcoin-core/gui-qml/android/unsecure_android_apk.zip?branch=pull/<PR>)
+[![ARM32 Android](https://img.shields.io/badge/OS-Android%2032bit-green)](https://api.cirrus-ci.com/v1/artifact/github/bitcoin-core/gui-qml/android32/unsecure_android_32bit_apk.zip?branch=pull/<PR>)
 -->

ci/test/00_setup_env_android32.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+#
+# Copyright (c) 2023 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+export LC_ALL=C.UTF-8
+
+export HOST=armv7a-linux-android
+export PACKAGES="unzip openjdk-8-jdk gradle"
+export CONTAINER_NAME=ci_android
+export CI_IMAGE_NAME_TAG="ubuntu:jammy"
+
+export RUN_UNIT_TESTS=false
+export RUN_FUNCTIONAL_TESTS=false
+
+export ANDROID_API_LEVEL=28
+export ANDROID_BUILD_TOOLS_VERSION=28.0.3
+export ANDROID_NDK_VERSION=23.2.8568313
+export ANDROID_TOOLS_URL=https://dl.google.com/android/repository/commandlinetools-linux-8512546_latest.zip
+export ANDROID_HOME="${DEPENDS_DIR}/SDKs/android"
+export ANDROID_NDK_HOME="${ANDROID_HOME}/ndk/${ANDROID_NDK_VERSION}"
+export DEP_OPTS="ANDROID_SDK=${ANDROID_HOME} ANDROID_NDK=${ANDROID_NDK_HOME} ANDROID_API_LEVEL=${ANDROID_API_LEVEL} ANDROID_TOOLCHAIN_BIN=${ANDROID_NDK_HOME}/toolchains/llvm/prebuilt/linux-x86_64/bin/"
+
+export BITCOIN_CONFIG="--disable-tests --enable-gui-tests --disable-bench --disable-fuzz-binary --without-utils --without-libs --without-daemon"

src/qml/README.md

@@ -9,6 +9,7 @@ Unsecure CI artifacts are available for local testing of the master branch, avoi
 - for Intel macOS: [`unsecure_mac_gui.zip`](https://api.cirrus-ci.com/v1/artifact/github/bitcoin-core/gui-qml/macos/unsecure_mac_gui.zip)
 - for Apple Silicon macOS: [`unsecure_mac_arm64_gui.zip`](https://api.cirrus-ci.com/v1/artifact/github/bitcoin-core/gui-qml/macos_arm64/unsecure_mac_arm64_gui.zip)
 - for ARM64 Android: [`unsecure_android_apk.zip`](https://api.cirrus-ci.com/v1/artifact/github/bitcoin-core/gui-qml/android/unsecure_android_apk.zip)
+- for ARM32 Android: [`unsecure_android_32bit_apk.zip`](https://api.cirrus-ci.com/v1/artifact/github/bitcoin-core/gui-qml/android32/unsecure_android_32bit_apk.zip)
 
 Note: For Apple Silicon macOS machines, the binary must be signed before it can
 be ran. To apply a signature, run the following on the unzipped CI artifact: