Improve generation of signed apk in CI

.circleci/config.yml

@@ -75,7 +75,7 @@ jobs:
             tx push -s
   generate_signed_apk:
     docker:
-      - image: circleci/android:api-28
+      - image: circleci/android:api-30
     working_directory: ~/ultrasonic
     steps:
       - checkout
@@ -93,14 +93,15 @@ jobs:
       - run:
           name: sign release apk
           command: |
+            export PATH="${JAVA_HOME}/bin:${PATH}"
             mkdir -p /tmp/ultrasonic-release
-            jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore ~/ultrasonic/ultrasonic-keystore -storepass ${ULTRASONIC_KEYSTORE_STOREPASS} -keypass ${ULTRASONIC_KEYSTORE_KEYPASS} ultrasonic/build/outputs/apk/release/ultrasonic-release-unsigned.apk ultrasonic
-            jarsigner -verify ultrasonic/build/outputs/apk/release/ultrasonic-release-unsigned.apk
-            ${ANDROID_HOME}/build-tools/27.0.0/zipalign -v 4 ultrasonic/build/outputs/apk/release/ultrasonic-release-unsigned.apk /tmp/ultrasonic-release/ultrasonic-${CIRCLE_TAG}.apk
+            ${ANDROID_HOME}/build-tools/30.0.0/zipalign -v 4 ultrasonic/build/outputs/apk/release/ultrasonic-release-unsigned.apk /tmp/ultrasonic-release/ultrasonic-${CIRCLE_TAG}.apk
+            ${ANDROID_HOME}/build-tools/30.0.0/apksigner sign --verbose --ks ~/ultrasonic/ultrasonic-keystore --ks-pass pass:${ULTRASONIC_KEYSTORE_STOREPASS} --key-pass pass:${ULTRASONIC_KEYSTORE_KEYPASS} /tmp/ultrasonic-release/ultrasonic-${CIRCLE_TAG}.apk
+            ${ANDROID_HOME}/build-tools/30.0.0/apksigner verify --verbose /tmp/ultrasonic-release/ultrasonic-${CIRCLE_TAG}.apk
       - persist_to_workspace:
           root: /tmp/ultrasonic-release
           paths:
-            - ultrasonic-*.apk
+            - ultrasonic-*.apk*
   publish_github_signed_apk:
     docker:
       - image: circleci/golang