1. wifi direct or wifi p2pjava
默认名称为Android_XXXX.android
frameworks/opt/net/wifi/service/java/com/android/server/wifi/p2p/WifiP2pServiceImpl.javagit
private String getPersistedDeviceName() { String deviceName = Settings.Global.getString(mContext.getContentResolver(), Settings.Global.WIFI_P2P_DEVICE_NAME); if (deviceName == null) { // We use the 4 digits of the ANDROID_ID to have a friendly // default that has low likelihood of collision with a peer String id = Settings.Secure.getString(mContext.getContentResolver(), Settings.Secure.ANDROID_ID); return "Android_" + id.substring(0, 4); } return deviceName; }
P2pStateMachinedom
defined in frameworks/opt/net/wifi/service/java/com/android/server/wifi/p2p/WifiP2pServiceImpl.javaui
2. hotspot or softapcode
默认名称为Android_XXXX.server
frameworks/opt/net/wifi/service/java/com/android/server/wifi/WifiApConfigStore.javaxml
/** * Generate a default WPA2 based configuration with a random password. * We are changing the Wifi Ap configuration storage from secure settings to a * flat file accessible only by the system. A WPA2 based default configuration * will keep the device secure after the update. */ private WifiConfiguration getDefaultApConfiguration() { WifiConfiguration config = new WifiConfiguration(); config.apBand = WifiConfiguration.AP_BAND_2GHZ; config.SSID = mContext.getResources().getString( R.string.wifi_tether_configure_ssid_default) + "_" + getRandomIntForDefaultSsid(); config.allowedKeyManagement.set(KeyMgmt.WPA2_PSK); String randomUUID = UUID.randomUUID().toString(); //first 12 chars from xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx config.preSharedKey = randomUUID.substring(0, 8) + randomUUID.substring(9, 13); return config; }
frameworks/base/core/res/res/values/strings.xmlblog
<string name="wifi_tether_configure_ssid_default" translatable="false">AndroidAP</string>
3. bluetoothget
默认名称为QCOM-BTD
device/qcom/commom/bdroid_buildcfg.h
#define BTM_DEF_LOCAL_NAME "QCOM-BTD"
system/bt/btif/src/btif_dm.cc or vendor/qcom/opensource/commonsys/system/bt/btif/src/btif_dm.cc static char* btif_get_default_local_name() { if (btif_default_local_name[0] == '\0') { int max_len = sizeof(btif_default_local_name) - 1; if (BTM_DEF_LOCAL_NAME[0] != '\0') { //若该值定义,使用该值 strncpy(btif_default_local_name, BTM_DEF_LOCAL_NAME, max_len); } else { //若该值未定义,使用产品名PROPERTY_PRODUCT_MODEL(ro.product.model) char prop_model[PROPERTY_VALUE_MAX]; osi_property_get(PROPERTY_PRODUCT_MODEL, prop_model, ""); strncpy(btif_default_local_name, prop_model, max_len); } btif_default_local_name[max_len] = '\0'; } return btif_default_local_name; }