android

---
tags: [android, adb]
---
# enter system setting
adb shell am start -n com.android.settings/com.android.settings.Settings

# enter ehome setting 
adb shell am start com.ehome.settings/.develop.DevelopActivity

# set ehome environment
adb shell setprop persist.vendor.ehome.enviroment qa

# monitor cpu frequency and temperature
watch -n 3 "cat /sys/class/thermal/thermal_zone0/temp && cat /sys/devices/system/cpu/cpu[0-3]/cpufreq/scaling_cur_freq"

# delete system app
pm uninstall 
rm /system/vendor/app_dir

# monitor kernel dmesg
watch -n 2  "dmesg |grep usb"

# ehome setting app
adb install -r -t EHomeSettings_V1.0_20211220_studio_debug.apk

# get pcakge name by apk file
aapt.exe  dump badging  D:\company\project\firefly\Application\Android_sdk_demo_V5.2\PrintDemoV5.2.apk

# grep package name
pm list package |grep package's name

# grep activy with package
dumpsys package | grep -i package's name | grep Activity

# allow develop mode
adb shell settings put secure user_setup_complete 1
adb shell settings put global device_provisioned 1

# list service
service list |grep Alarm

# enter sleep mode
input keyevent 26

# get build variable
get_build_var TARGET_BUILD_VARIANT
get_build_var TARGET_PRODUCT

# change lcd density
adb shell wm density 320

# monitor input event
getevent -l

# list all installed packages
adb shell pm list packages 

# get top activity
adb shell dumpsys activity top | grep ACTIVITY

# access mem
io -c 4 -l 4 0x

# cross compile application for android
CC=aarch64-linux-android30-clang  ./configure --host=aarch64-linux-android --enable-tools --prefix=/tmp/gpio
make ARCH=arm64 CC=aarch64-linux-android30-clang CROSS_COMPILE=aarch64-linux-android-

# upload bugly so symbol information
java -jar buglyqq-upload-symbol.jar -appid xxx -appkey xxx  -bundleid xcg.ehomepoct.io.zzcapp -version 1.2.4 -platform Android -inputSymbol D:\code\app\ehome\ehdriver\hardware\build\intermediates\cmake\debug\obj\armeabi-v7a

# use ndk-stack trace crash
adb logcat |ndk-stack.cmd -sym .\arm64-v8a\

# generate compile_commands.json
ninja -f out/combined-rk3568_ehome_ba200_a1.ninja -t compdb g.cc.cc > compile_commands_all.json
jq '[.[]|select(.file | startswith("art"))]' compile_commands_all.json > compile_commands.json
jq '[.[]|select(.file | startswith("art") or startswith("frameworks"))]' compile_commands_all.json > compile_commands-2.json
jq '[.[]|select(.file | contains("external/wpa_supplicant_8"))]' compile_commands_all.json > compile_commands.json
jq '[.[]|select(.file | contains("external/wpa_supplicant_8") or contains("external/camera_engine_rkaiq") or contains("external/libfuse") or contains("providers/MediaProvider") or startswith("frameworks") or startswith("bootable") or startswith("hardware")  or startswith("system") or startswith("bionic"))]' compile_commands_all.json > compile_commands_1.json
# filter tests
jq '[.[]|select(.file | contains("tests") or contains("/test/") or contains("_test") |not)]' compile_commands_1.json > compile_commands.json
# 查看usb otg 当前模式
cat /sys/devices/platform/fe8a0000.usb2-phy/otg_mode

# 设置usb otg 模式为device
echo peripheral > /sys/devices/platform/fe8a0000.usb2-phy/otg_mode
echo 2 > /sys/devices/platform/fe8a0000.usb2-phy/otg_mode

# 设置usb otg模式为host
echo host > /sys/devices/platform/fe8a0000.usb2-phy/otg_mode
echo 1 > /sys/devices/platform/fe8a0000.usb2-phy/otg_mode

# 默认为otg模式
echo otg > /sys/devices/platform/fe8a0000.usb2-phy/otg_mode
echo 0 > /sys/devices/platform/fe8a0000.usb2-phy/otg_mode

# setup enable show point location
adb shell settings put system show_touches 1 && adb shell settings put system pointer_location 1

# view android framework source code by android-studio
aidegen frameworks hardware system packages -s -i s -p ~/download/android-studio

# adb logcat filter tag:log_level S:silent
adb logcat Camera2RawFragment:E *:S