Developer Toolkit – Complete Source Code for 18+ Mobile Tools

A comprehensive, offline-first Android developer toolkit featuring 70+ essential utilities, Material 3 UI, and Google AdMob monetization.

DevTools is a professional-grade Android toolkit designed for mobile developers, testers, and software engineers. Built with Java and Material 3, this app serves as a Swiss-army knife for daily development tasks. It functions entirely offline, ensuring privacy and speed for sensitive operations like data formatting or hash generation.

Whether you need to beautify a messy JSON string, generate secure hashes, test a Regex pattern, or inspect device hardware specs, DevTools has you covered. The app is monetization-ready with pre-integrated Google AdMob (Banner, Interstitial, and App Open ads) and includes a GDPR-compliant consent flow via the Google UMP SDK.

Detailed Features:➡

⦿ Data Formatting: JSON Formatter (Beautify/Minify), XML Beautifier, SQL Formatter, YAML Formatter, CSV Viewer.

⦿ Encoding & Decoding: Base64 (Text/Image), URL Encoder, JWT Decoder, Unicode/Binary/Hex Converters.

⦿ Security & Hashing: MD5, SHA-1, SHA-256, SHA-512 Generator, Password Strength Meter, HMAC Generator, Checksum Validator (CRC32/Adler32).

⦿ Testing Tools: Regex Matcher, JavaScript Tester (WebView), User-Agent Parser, HTTP Header Inspector.

⦿ Generators: UUID/GUID Generator, Lorem Ipsum (Paragraphs/Words), QR Code & Barcode Generator (ZXing), Fake User/Email Data.

⦿ Compare & Analyze: Text Diff (Line by Line), JSON Object Comparison, Folder Structure Scanner.

⦿ Mobile & Device Specs: Hardware Info, APK Signature Viewer, Installed App List, Battery Health, Network State.

⦿ Network Tools: Ping Tester, DNS Lookup, IP Classifier, Subnet Calculator, MAC Address Formatter.

⦿ Productivity: Unix Timestamp Converter, Cron Expression Explainer, Case Converter, Unit Converter (Length/Weight/Temp), Word & Character Counter.

⦿ User Experience: Dark Mode support, Favorites System, Execution History (SQLite), and Clean Material 3 Navigation.

Detailed Requirements:➡

⦿ Android Studio: Hedgehog (2023.1.1) or newer.

⦿ JDK: Version 17.

⦿ Target SDK: API 36 (Android 15 support).

⦿ Minimum SDK: API 23 (Android 6.0+).

⦿ Libraries: AndroidX, Material Components 1.12.0, ZXing 3.5.4, Google Play Services Ads.

Detailed Instructions:➡

➊ Project Setup: Unzip the package and open the DevTools/ folder in Android Studio. Allow Gradle to sync.

➋ Branding:

‣ Change the App Name in   res/values/strings.xml.

‣ Replace the App Icon using the Image Asset tool (Right-click res -> New -> Image Asset).

‣ Update the Splash Logo in res/drawable/ic_launcher_foreground.xml.

➌ Reskinning:

‣ Update applicationId in   app/build.gradle.

‣ Use Refactor -> Rename on the com.aclabs.devtools package to match your ID.

➍ Monetization:

‣ Add your AdMob App ID to   AndroidManifest.xml.

‣ Update Unit IDs in   AdManager.java (Interstitial), AppOpenAdManager.java (App Open), and activity_main.xml (Banner).

➎ Build: Go to Build > Generate Signed Bundle / APK to create your release-ready AAB file for the Play Store.

APK: https://drive.google.com/file/d/1Lfkf8tjIwTuf8GIcYW25LVv1Q9M7BeHl/view?usp=sharinge