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C4droid is a user-friendly (but powerful)C/C++ IDE + C/C++ compiler for Android.Basic features:- Offline C compiler: create your own applications on Androiddevice and run them even without Internet access- Source code editor with syntax highlighting, tabs, codecompletion, code formatting, file association and undo/redo- Export&share your programs as APKs or native executables (forterminal apps)- No root required (but C4droid can use it for your programs if youwant)- Full ANSI C and ISO C99 support with TCC (Tiny C Compiler) +uClibc- Git integration- Customizable GUI, choose where to place tabs and buttons byyourself, themes are also supported.More features with a free GCC plugin:- Fully-functional C++ compiler, almost complete C++11 support withGCC compiler- NativeActivity, Qt, SDL and SDL2 support for GUI- Debugger with breakpoints and watches- Makefile support: use the same build scripts as on your PC(BusyBox is included)- Semi-automatic open-source library porting feature for enhancedprogramming & educationC4droid is designed to be user-friendy out-of-the-box, but nothingis perfect, so here are some answers for questions that canappear:How to install C++ support?C4droid will ask you to install C++ support at first startup andwill configure itself in semi-automatic mode.If you want to do that manually, you need:0) Enough internal memory OR root rights. C4droid does not requireroot rights for devices with more than 50MB of free internalmemory.1) Install GCC plugin (C4droid will ask you to install it).2) Select G++ compiler in C4droid preferences.3*) Add "using namespace std;" to your program(before int main),use iostream, not iostream.hNote that if you want to use C4droid as a C compiler, it is betterto select GCC, not G++.How to use SDL, SDL2, NativeActivity and Qt in single-filemode?Just install SDL plugin and select G++ compiler in C4droidpreferences.Note that C4droid chooses app mode using a very simple source codeanalysis:SDL is detected with #include "SDL.h", SDL2 is detected with#include "SDL2/SDL.h", NativeActivity is detected with #include"android_native_app_glue.h", Qt is detected with #include"QApplication"If you are compiling a single-file Qt app, you must add #include"yoursourcefilenamewithcpp.moc" to the end of source code filealso.How to use Makefiles, multifile projects, etc?Long-click compile button (or select "compilation settings" ifbuttons are hidden/moved) and configure current directory to usethe mode you want.Note that C4droid will create .c4droid configuration file when youwill press Ok. Some modes (like makefile) require to enter resultexecutable file name, don't forget to do that.After doing that all use compile and run buttons to build and runyour app as regular.How to build and install libraries?Almost the same way as regular Makefile building except for thatmost probably some patching may be required.Currently tested libraries are gmp(internal memoryonly),mpfr,mpc,libxml2,neon,sqlite,SDL_gfx(--disable-mmxrequired).Which gestures/keyboard shortcuts does C4droid support?Long-click gestures:New button: delete current file.Save button: save as.Open button: recent files.Run button: run with arguments.Compile button: configure current directory.Tab: close tab.Keyboard shortcuts:Ctrl-C, Ctrl-V, Ctrl-X for Copy, Paste and CutCtrl-S, Ctrl-O for Save/OpenCtrl-Z, Ctrl-Y for Undo/Redo.Ctrl-L for "go to Line"Ctrl-F for FindCtrl-A for select AllCtrl-B for Build/compileCtrl-R for RunCtrl-Space/Ctrl-D for autocompletion (Ctrl-Space may be reserved byAndroid)Report bugs at n0n3m4@gmail.com.C4droid stands for "c for android" (or "c++ for android").C4droid is not an online compiler, so it uses real binaries.Some binaries in APK are licensed under (L)GPL, email me for thesource code (Tiny C compiler, GCC, BusyBox, etc.)Android is a trademark of Google Inc.Qt is a registered trademark of Digia.

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