what is android
2021/08/17 14:36
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adrd
APK : application program
BSP : OS image, board support package
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BSP:
android stack
boot flow
BSP folder tree
Product tree
debug cmd
add device
custumize framework
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android 4(5) stack
apk
framework
lib / runtime
(HAL)
linux
framework:
Activity Manager
package manager
Telephony Service
runtime :
core
vm
lib : 4 function
func lib : multi media, mp3, h264, webkit, openGL ...
Native service : surfae flinger, audio manager ...
HAL : standardizing various devcie driver for android
libc , bionic
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Boot flow:
init
Daemon : adbd, rild ...
zygote
service manager
syster server
surface flinger
audio flinger ...
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BSP tree
bootable
kernel
out
device
packages
frameworks
build
hardware
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product tree
ASOP/device/ti/
AndroidProducts.mk
beagle_x15.mk
device.mk
uevent.beagle_x15board.rc : vendor/uevent.rc
AndroidBoard.mk
BoardConfig.mk
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debug cmd
adb
fastboot
getprop setprop
service list
am
pm
settings
input keyevent KEYCODE_POWER
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add device:
LCD
Touch
key
sensor
wifi
telephony/4G
battery
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customize framework:
disalbe notification bar
remove vitrual butoon from navigation bar
change lanucher
default language, time zone
change boot animation
Add APK
自訂分類：android_bsp
上一則： service call phone, on/off mobile data, data connection, telephony下一則： Android app, OpenGLRenderer : EGL error 12301
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