DesktopTips_Android Bug in project, refactoring... Android version of windows DesktopTips tool Main for data transmission (use socket in LAN) between desktop version Environment Android Studio 3.4.1 JDK 1.8.0_131 kotlinc-jvm 1.3.31 Platform Setting minSdkVersion 23 targetSdkVersion 28 Dependencies jackson-module-kotlin FloatingActionsMenu LibZXing Screenshots References Kotlin Reference