How to build for Win MFC?

1. Open "HelloWidgets\BuildMFC\HelloWidgets.sln" by Visual studio 2017
2. Click F5 to build/run HelloWidgets

How to build for Qt?

1. Open BuildQt/HelloWidgets.pro with Qt Creator
2. Build/Run with Qt Creator

How to build for Linux?

Compile & Run locally:

1. Compile:
   • cd HelloWidgets
   • cmake . && make
   • cd BuildLinux
   • chmod 777 *
2. Run locally(e.g, Ubuntu):
   • Elevate to super user: sudo su
   • Run with framebuffer: sudo ./HelloWidgets /dev/fb0    /dev/fb0: The path of framebuffer device file.
   • Run inside X Window: sudo ./xWindow 680 512 | ./HelloWidgets shared-fb

Cross compiler & Run on target:

1. install compiler:
   • For ARM32: sudo apt-get install g++-arm-linux-gnueabi gcc-arm-linux-gnueabi
   • For ARM64: sudo apt-get install g++-aarch64-linux-gnu gcc-aarch64-linux-gnu
2. Cross compile:
   • cd HelloWidgets
   • For ARM32: cmake -D CMAKE_C_COMPILER="/usr/bin/arm-linux-gnueabi-gcc" -D CMAKE_CXX_COMPILER="/usr/bin/arm-linux-gnueabi-g++" -D TARGET_ARCH="ARM" . && make
   • For ARM64: cmake -D CMAKE_C_COMPILER="/usr/bin/aarch64-linux-gnu-gcc" -D CMAKE_CXX_COMPILER="/usr/bin/aarch64-linux-gnu-g++" -D TARGET_ARCH="ARM" . && make
3. Run on target Linux device:
   • Copy BuildLinux/HelloWidgets to target Linux device
   • chmod 777 HelloWidgets
   • sudo ./HelloWidgets /dev/fb0    /dev/fb0: The path of framebuffer