Fix Android build on CI

Use official Github Actions docker image to consume Android NDK only.

Author: uilianries

.github/workflows/android.yml

@@ -15,27 +15,24 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        image:
-          - r22
         platform:
+          - android-26
           - android-27
-          - android-29
         abi:
           - armeabi-v7a
           - arm64-v8a
         build_type: [Debug, Release]
 
     runs-on: ubuntu-latest
 
-    container:
-      image: bojoe/cpp-android-ndk-build-env-ubuntu:${{ matrix.image }}
-      options: --user root
-
     steps:
-      - uses: actions/checkout@v3
+      - name: Install Ninja
+        run: sudo apt-get install ninja-build
+
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
 
-      - run: cmake -H$GITHUB_WORKSPACE -B/home/developer/build -GNinja -DCMAKE_TOOLCHAIN_FILE=$ANDROID_NDK_HOME/build/cmake/android.toolchain.cmake -DANDROID_ABI=${{ matrix.abi }} -DANDROID_PLATFORM=${{ matrix.platform }} -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+      - run: cmake -H$GITHUB_WORKSPACE -B$GITHUB_WORKSPACE/build -GNinja -DCMAKE_TOOLCHAIN_FILE=$ANDROID_NDK_HOME/build/cmake/android.toolchain.cmake -DANDROID_ABI=${{ matrix.abi }} -DANDROID_PLATFORM=${{ matrix.platform }} -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
 
-      - run: cmake --build /home/developer/build
+      - run: cmake --build $GITHUB_WORKSPACE/build

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.8...3.19)
+cmake_minimum_required(VERSION 3.8)
 
 project(taocpp-json VERSION 1.0.0 LANGUAGES CXX)