Contact person: Upgrade App to Android 16

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Location: Germantown, United States

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"My Android app hasn’t been touched since 2022 and now refuses to compile against the Android 16 SDK. The core feature is user authentication, so the update must keep every sign-in flow fully functional while replacing any APIs that have been deprecated or restricted in the latest OS version.

Here’s what I need from you:

• Migrate the entire codebase to build cleanly with the current Android tool-chain (Android Studio Hedgehog/Koala, Gradle, targetSdkVersion 34).
• Refactor or rewrite any portions that break under the new permission model, background execution limits, or network-security changes.
• Verify that authentication still works end-to-end on a real or emulated Android 16 device.
• Supply a buildable project plus concise release notes detailing every library change and the steps I need to follow to push the new version to Google Play.

Acceptance criteria
– Project compiles with zero warnings or errors targeting API 34.
– App installs and launches on Android 16.
– Existing user accounts can log in and log out without hiccups.
– All changes are documented in a short CHANGELOG.md.

If you’ve already navigated similar upgrades and can turn this around quickly, let’s get started." (client-provided description)