Add CI files for testing release functionality

Somebody messed Firebase signatures
Had to update them
Also implemented signing apk built from cloud since
firebase needs a fixed SHA-1 from apk

.ci/set_tag.sh

@@ -0,0 +1,24 @@
+BRANCH="apk_deploy"
+
+# Are we on the right branch?
+if [ "$TRAVIS_BRANCH" = "$BRANCH" ]; then
+
+  # Is this not a Pull Request?
+  if [ "$TRAVIS_PULL_REQUEST" = false ]; then
+
+    # Is this not a build which was triggered by setting a new tag?
+    if [ -z "$TRAVIS_TAG" ]; then
+      echo -e "Starting to tag commit.\n"
+
+      git config --global user.email "[email protected]"
+      git config --global user.name "Travis"
+
+      # Add tag and push to master.
+      git tag -a v${TRAVIS_BUILD_NUMBER} -m "Travis build $TRAVIS_BUILD_NUMBER pushed a tag."
+      git push origin --tags
+      git fetch origin
+
+      echo -e "Done magic with tags.\n"
+  fi
+  fi
+fi

.travis.yml

@@ -2,15 +2,23 @@ language: android
 dist: trusty
 android:
   components:
-    # The BuildTools version used by your project
-    - build-tools-29.0.1
-
-    # The SDK version used to compile your project
-    - android-29
-
-before_script: 
-    - chmod +x gradlew
-    - openssl aes-256-cbc -K $encrypted_2844885ced97_key -iv $encrypted_2844885ced97_iv -in app/ci_secret.txt -out app/google-services.json -d
-
+  - build-tools-29.0.1
+  - android-29
+before_script:
+- chmod +x gradlew
+- openssl aes-256-cbc -K $encrypted_2844885ced97_key -iv $encrypted_2844885ced97_iv -in cloud.tar.gz.enc -out cloud.tar.gz -d
+- tar -xvf cloud.tar.gz
+- ls -la
 script:
-    - ./gradlew build
+- "./gradlew clean build assembleRelease"
+deploy:
+  skip_cleanup: true
+  provider: releases
+  api_key:
+    secure: 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
+  file: app/build/outputs/apk/release/app-release.apk
+  on:
+    branch: apk_deploy
+    repo: virresh/Sahaayak
+after_success:
+- sh set_tags.sh

app/build.gradle

@@ -11,12 +11,26 @@ android {
         versionName "1.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
+    signingConfigs {
+        release
+    }
     buildTypes {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            signingConfig signingConfigs.release
         }
     }
+
+    def isRunningOnTravis = System.getenv("CI") == "true"
+
+    if (isRunningOnTravis) {
+        // configure keystore
+        signingConfigs.release.storeFile = file(System.getenv("RELEASE_STORE_FILE"))
+        signingConfigs.release.storePassword = System.getenv("RELEASE_STORE_PASSWORD")
+        signingConfigs.release.keyAlias = System.getenv("RELEASE_KEY_ALIAS")
+        signingConfigs.release.keyPassword = System.getenv("RELEASE_KEY_PASSWORD")
+    }
 }
 
 apply plugin: 'com.google.gms.google-services'  // Google Play services Gradle plugin