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Expanded AI agent with project search, change review, selective apply, undo, planning mode, and stop. Added editing of repeated text, selection expansion, Java definition navigation, quick fixes, and TODO copying. Improved bytecode templates and validation. Fixed Unicode console output, Kotlin compilation, duplicate dependencies, and outdated code running after failed builds. Fixed native compiler integration, enabled release obfuscation, and updated the app icon.
Your Java IDE in your pocket
JavaDroid is a Java IDE for Android Write, compile, run, and debug Java and Kotlin code directly on your phone or tablet. JavaDroid is a full-featured IDE that turns your Android device into a portable development environment — no computer needed. Code Editor • Syntax highlighting for Java, Kotlin, C++, XML, Gradle, JSON, Bash, and Markdown • Find & replace, word wrap, line numbers, auto-save • Split screen — edit two files side by side • Customizable fonts, colors, and editor settings • Auto-import — missing Java imports are added automatically • Code formatting on save Compiler & Runtime • On-device compilation via ECJ (Eclipse Compiler for Java) + D8 dexer • Maven project support — create projects, manage dependencies, package and test • Kotlin compilation via K2JVMCompiler with syntax highlighting • JNI / native C/C++ compilation via built-in TCC and NDK clang++ • Bundled android.jar — compile Android-compatible code Debugger • Set breakpoints on any line by tapping the gutter • Conditional breakpoints with custom expressions • Step over, step into, step out with stack depth tracking • Inspect local variables, call stack, and watch expressions • Evaluate arbitrary expressions at any breakpoint • Visual debug line highlighting Bytecode Viewer • View compiled Java bytecode in javap-style format • Browse class hierarchy, fields, methods, and instructions • Stack map frames, bootstrap methods, and annotations Learn Center • Built-in Java courses with bilingual support (Ukrainian/English) • Java reference: 15 chapters from basics to Stream API • Enterprise essentials: Concurrency, JVM Memory, SQL, JDBC, Web • Code examples you can run directly in the editor Git Integration • Full Git support via JGit — no root required • Init, clone, commit, pull, push, branches, log • Stage/unstage individual files Library Manager • Search Maven Central and add dependencies instantly • Browse versions and add to your project in one tap Tools • JSON/XML formatter with syntax highlighting • Markdown preview with code block highlighting • Native C/C++ module creation Localization • 11 languages: English, Ukrainian, German, French, Spanish, Polish, Romanian, Azerbaijani, Hindi, Igbo, Yoruba, Hausa Requirements • Android 8.0 or higher • Internet connection for Maven dependencies and Git operations