luckycloud Android App

Android app for accessing and managing files in luckycloud.

Google Play

The app is available on Google Play:

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Build (Release APK)

Prerequisites

• Android Studio (includes required Android SDK components)
• JDK (recommended: the version required by the Android Gradle Plugin used in this project)
• A configured signing setup (see below)

Steps

1. Change into the project directory (adjust if your repository layout differs):

   cd luckycloud-Android

2. Configure signing:

   • Create a key.properties file or rename key.properties.example to key.properties
   • Update the values to match your local signing configuration

3. Create a keystore (only if you do not already have one)

   Note: The command below is an example. Adapt alias, validity and distinguished name (DN) to your needs.

   keytool -genkey -v \
     -keystore app/debug.keystore \
     -alias AndroidDebugKey \
     -keyalg RSA -keysize 2048 -validity 1 \
     -storepass android -keypass android \
     -dname "cn=TEST, ou=TEST, o=TEST, c=TE"

4. Build the release APK:

   ./gradlew assembleRelease

Output

After a successful build, the APK can be found at:

• app/build/outputs/apk/luckycloud-${versionName}.apk

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Development (Android Studio)

Open the project

1. Launch Android Studio
2. Select Open (or Import Project, depending on your version)
3. Choose the luckycloud-Android directory
4. Import as a Gradle project and wait until the Gradle sync finishes

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Security Disclosure

We take security seriously. If you believe you have found a security vulnerability in the luckycloud Android Client (or related services), please report it responsibly so we can investigate and address the issue.

How to report

• Email: sec@luckycloud.de
• Please include:
  • A clear description of the issue and potential impact
  • Steps to reproduce (proof-of-concept if available)
  • Affected versions / device information (Android version, device model)
  • Relevant logs, screenshots, or crash reports (if applicable)

Guidelines

• Please do not publicly disclose the issue until we have had a chance to investigate and provide a fix.
• Avoid accessing data that does not belong to you and avoid disrupting services.

What to expect

We will acknowledge your report and work with you to understand, reproduce, and remediate the issue as quickly as possible.