Add Fastlane

fastlane/Fastfile

@@ -0,0 +1,40 @@
+# This file contains the fastlane.tools configuration
+# You can find the documentation at https://docs.fastlane.tools
+#
+# For a list of all available actions, check out
+#
+#     https://docs.fastlane.tools/actions
+#
+# For a list of all available plugins, check out
+#
+#     https://docs.fastlane.tools/plugins/available-plugins
+#
+
+# Uncomment the line if you want fastlane to automatically update itself
+# update_fastlane
+
+default_platform(:android)
+
+platform :android do
+  desc "Runs all the tests"
+  lane :test do
+    gradle(task: "test")
+  end
+
+  desc "Deploy a new version to the Google Play"
+  lane :deploy do
+    gradle(
+      task: "bundle",
+      build_type: "release",
+      properties: {
+        "android.injected.signing.store.file" => ENV["KEYSTORE_FILE"],
+        "android.injected.signing.store.password" => ENV["KEYSTORE_PASSWORD"],
+        "android.injected.signing.key.alias" => "key0",
+        "android.injected.signing.key.password" => ENV["KEYSTORE_PASSWORD"],
+      }
+    )
+    upload_to_play_store(
+      changes_not_sent_for_review: true
+    )
+  end
+end