Debug skill of the WiFi framework changes

Suppose you need debug about wifi framework source code, such as frameworks/opt/net/wifi/service/java/com/android/server/wifi/WifiConnectivityManager.java, and you don’t want flash system.img every time.

You can debug it by this way.

1. load the build environment

  source build/envsetup.sh
  lunch [product]-userdebug

1. build the module

  make -j16 com.android.wifi

It will produce the apex file in the path : out/target/product/mssi_t_64_cn/system/apex/com.android.wifi.apex

1. install the apex file

• a. if you can adb install apex file, you can do this by command:

  adb install --apex out/target/product/[product]/system/apex/com.android.wifi.apex

• b. ortherwise you can do this by two step:

  adb push out/target/product/[product]/system/apex/com.android.wifi.apex /data/local/tmp/
  adb shell "pm install --apex  data/local/tmp/com.android.wifi.apex"

1. reboot the device

After restarted, you can check the modify whether work.