Our Android porting training course shows how to port Android to a typical embedded hardware platform. It is intended for engineers who are starting out with a fresh Android implementation or who need to understand and modify an existing one. During the hands-on sessions attendees use the source code from the Android OpenSource Project (AOSP) and go through the steps of implementing Android on a common development board with an ARM Cortex A series processor. Emphasis is on understanding how the Android build system works and which components need to be modified to suit particular hardware.
• Introduction to Android; review of open source licenses: GPL/LGPL, Apache, etc.
• Selecting a toolchain
• Getting and building the AOSP (repo, lunch, make)
• Begin creating a new board definition which will be used through the rest of the course
• Review of the Android kernel additions
• Merging the Android patches with an existing kernel BSP
• Kernel configuration options
• Adding the kernel to the board definition
• Overview of Android boot
• Selecting a bootloader and flash memory partition scheme
• Creating main and recovery boot images
• Customising the init.rc boot script and system properties
• Overview of the Android HAL (Hardware Abstraction Layer)
• Lights, sensors
• Configuring frame buffer driver, LCD and HDMI interfaces
• 3D graphics support: libEGL, GL ES 1.1/2.0
• The input layer: touch screens, mice, keyboards and keypads
• Input device configuration files: /system/usr/idc.
• Keyboard and button devices. gpio-buttons
• Single and multi touch. The multi-touch protocol input event protocol
• The audio HAL: libaudio
• Configuring ALSA sound drivers
• Video sources: camera devices and other inputs
• The Video 4 Linux framework
• Overview of integrating network devices into Android
• Wifi devices
• Wired Ethernet devices
• Bluetooth devices
• Power states and transitions
• Using wake locks to prevent the system going into sleep mode
• Operating on mains vs battery; managing battery charge and discharge cycles
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