ci: adjust memory settings in building

Author: PeanutMelonSeedBigAlmond

.github/workflows/android.yml

@@ -28,23 +28,30 @@ jobs:
       uses: subosito/flutter-action@v2
       with:
         channel: stable
-    - name: set up JDK 17
+    - name: set up JDK 21
       uses: actions/setup-java@v4
       with:
-        java-version: '17'
+        java-version: '21'
         distribution: 'adopt'
         cache: gradle
+    - name: Increase Gradle memory settings
+      run: |
+        echo "org.gradle.jvmargs=-Xmx8192m -XX:MaxPermSize=2048m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8" >> android/gradle.properties
+        echo "android.enableR8=true" >> android/gradle.properties
+    - name: Clean workspace
+      run: flutter clean
     - name: Decode Keystore
       env:
         ENCODED_STRING: ${{ secrets.SIGNING_STORE_BASE64 }}
       run: echo $ENCODED_STRING | base64 -di > android/app/keystore.jks
     - name: Build apk
-      run: flutter build apk --release --split-per-abi -P --debug
+      run: flutter build apk --release --split-per-abi
       env:
           CI: true
           SIGNING_KEY_ALIAS: release
           SIGNING_KEY_PASSWORD: ${{ secrets.SIGNING_KEY_PASSWORD }}
           SIGNING_STORE_PASSWORD: ${{ secrets.SIGNING_STORE_PASSWORD }}
+          FLUTTER_BUILD_ARGS: "--extra-gen-snapshot-options=--vm-args=-Xmx8G"
     - name: Upload artifact
       uses: actions/upload-artifact@v4
       with: