wip

Author: nihui

.github/workflows/android.yml

@@ -93,7 +93,7 @@ jobs:
     env:
       NCNN_CMAKE_OPTIONS: |
         -DCMAKE_TOOLCHAIN_FILE=$GITHUB_WORKSPACE/android-ndk-r16b/build/cmake/android.toolchain.cmake \
-        -DANDROID_PLATFORM=android-21 \
+        -DANDROID_PLATFORM=android-14 \
         -DCMAKE_INSTALL_PREFIX=install \
         -DCMAKE_BUILD_TYPE=Release \
         -DNCNN_VULKAN=ON \
@@ -120,7 +120,7 @@ jobs:
     - name: armeabi
       run: |
         mkdir build-armeabi && cd build-armeabi
-        cmake ${{ env.NCNN_CMAKE_OPTIONS }} -DANDROID_ABI="armeabi" ..
+        cmake ${{ env.NCNN_CMAKE_OPTIONS }} -DANDROID_ABI="armeabi" -DNCNN_VULKAN=OFF ..
         cmake --build . -j $(nproc)
     - name: mips
       run: |
@@ -141,7 +141,7 @@ jobs:
     - name: armeabi-shared
       run: |
         mkdir build-armeabi-shared && cd build-armeabi-shared
-        cmake ${{ env.NCNN_CMAKE_OPTIONS }} -DANDROID_ABI="armeabi" -DNCNN_SHARED_LIB=ON ..
+        cmake ${{ env.NCNN_CMAKE_OPTIONS }} -DANDROID_ABI="armeabi" -DNCNN_VULKAN=OFF -DNCNN_SHARED_LIB=ON ..
         cmake --build . -j $(nproc)
     - name: mips-shared
       run: |