Add android build to CI

.github/workflows/rust.yml

@@ -7,7 +7,7 @@ env:
 
 jobs:
   build-x86:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     defaults:
       run:
         shell: bash
@@ -18,8 +18,20 @@ jobs:
       - name: Build
         run: cargo build --bin mapr
 
+  build-aarch64-android:
+    runs-on: ubuntu-20.04
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: 'recursive'
+      - name: Build
+        run: tools/build-android
+
   build-wasm:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     defaults:
       run:
         shell: bash
@@ -46,7 +58,7 @@ jobs:
           rsync -e "ssh -o StrictHostKeyChecking=no -i id_rsa" -r "dist/demo/." max@maxammann.org:~/public_html/mapr/
 
   book:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     defaults:
       run:
         shell: bash

tools/build-android

@@ -1,14 +1,14 @@
 #!/bin/bash
 set -e
 
-webgl_flag=""
+run=false
 
 TEMP=$(getopt --long -o "g" "$@")
 eval set -- "$TEMP"
 while true; do
   case "$1" in
   -g)
-    webgl_flag="web-webgl,"
+    run=true
     shift 2
     ;;
   *)
@@ -18,4 +18,9 @@ while true; do
 done
 
 cargo install cargo-apk
-cargo apk run --lib
+
+if [ "$run" = true ] ; then
+  cargo apk run --lib
+else
+  cargo apk build --lib
+fi