chore: apk generating from source

.travis.yml

@@ -26,3 +26,8 @@ install:
 
 script:
   - 'if [ "$TRAVIS_BRANCH" != "apk" ]; then ./gradlew build --stacktrace; fi'
+
+after_success:
+  - bash scripts/prep-key.sh
+  - 'if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then bash scripts/upload-apk.sh; fi'
+

scripts/prep-key.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+set -e
+
+export DEPLOY_BRANCH=${DEPLOY_BRANCH:-master}
+
+if [ "$TRAVIS_PULL_REQUEST" != "false" -o "$TRAVIS_REPO_SLUG" != "fossasia/neurolab-android" -o "$TRAVIS_BRANCH" != "$DEPLOY_BRANCH" ]; then
+    echo "We decrypt key only for pushes to the master branch and not PRs. So, skip."
+    exit 0
+fi
+
+# TODO: Settle signing keys
+# openssl aes-256-cbc -K $encrypted_d4de000c59f7_key -iv $encrypted_d4de000c59f7_iv -in ./scripts/secrets.tar.enc -out ./scripts/secrets.tar -d
+# tar xvf ./scripts/secrets.tar -C scripts/

scripts/upload-apk.sh

@@ -0,0 +1,62 @@
+#!/bin/sh
+set -e
+
+export PUBLISH_BRANCH=${PUBLISH_BRANCH:-master}
+export DEVELOPMENT_BRANCH=${DEVELOPMENT_BRANCH:-development}
+
+#setup git
+git config --global user.email "noreply@travis.com"
+git config --global user.name "Travis CI" 
+
+#clone the repository
+git clone --quiet --branch=apk https://fossasia:$GITHUB_API_KEY@github.com/fossasia/neurolab-android apk > /dev/null
+
+cd apk
+
+\cp -r ../app/build/outputs/apk/*/**.apk .
+\cp -r ../app/build/outputs/apk/debug/output.json debug-output.json
+\cp -r ../app/build/outputs/apk/release/output.json release-output.json
+\cp -r ../README.md .
+
+# Signing Apps
+
+if [ "$TRAVIS_BRANCH" == "$PUBLISH_BRANCH" ]; then
+    echo "Push to master branch detected, signing the app..."
+    # Retain apk files for testing
+    mv app-debug.apk app-master-debug.apk
+    # Generate temporary apk for signing
+    cp app-release-unsigned.apk app-release-unaligned.apk
+    # TODO: Sign APK
+    # jarsigner -tsa http://timestamp.comodoca.com/rfc3161 -sigalg SHA1withRSA -digestalg SHA1 -keystore ../scripts/key.jks -storepass $STORE_PASS -keypass $KEY_PASS app-release-unaligned.apk $ALIAS
+    # Remove previous release-apk file
+    \rm -f app-release.apk
+    # Generate new release-apk file
+    ${ANDROID_HOME}/build-tools/28.0.3/zipalign -v -p 4 app-release-unaligned.apk app-release.apk
+    # Rename unsigned release apk to master
+    rm -f app-release-unaligned.apk
+    mv app-release-unsigned.apk app-master-release.apk
+    # Push generated apk files to apk branch
+    git checkout apk
+    git add -A
+    git commit -am "Travis build pushed [master]"
+    git push origin apk --force --quiet> /dev/null
+fi
+
+if [ "$TRAVIS_BRANCH" == "$DEVELOPMENT_BRANCH" ]; then
+    echo "Push to development branch detected, generating apk..."
+    # Rename apks with dev prefixes
+    mv app-debug.apk app-dev-debug.apk
+    mv app-release-unsigned.apk app-dev-release.apk
+    # Push generated apk files to apk branch
+    git checkout apk
+    git add -A
+    git commit -am "Travis build pushed [development]"
+    git push origin apk --force --quiet> /dev/null
+fi
+
+# TODO: Publish App to Play Store
+if [ "$TRAVIS_BRANCH" == "$PUBLISH_BRANCH" ]; then
+    # gem install fastlane
+    # fastlane supply --apk app-release.apk --track alpha --json_key ../scripts/fastlane.json --package_name $PACKAGE_NAME
+fi
+