[FAQ17975]Android M 首次开机不随sim卡自适应语言修改方案

[Description]

        Android M上google默认设计是不再随sim卡自适应语言。如想要修改可参考如下方案。

 

 [Solution]

        不能更新的原因是在update config时Android M上去掉了对locale改变的update, 按如下方法改成与Android L上一致即可。如果修改之后仍不能自适应语言，请在修改之后再参考FAQ14489 Android L sim卡自适应语言问题 的修改方法。

 

/frameworks/opt/telephony/src/java/com/android/internal/telephony/MccTable.java

public static void updateMccMncConfiguration(Context context, String mccmnc,

boolean fromServiceState) {

Slog.d(LOG_TAG, "updateMccMncConfiguration mccmnc='" + mccmnc + "' fromServiceState=" + fromServiceState);

if (Build.IS_DEBUGGABLE) {

String overrideMcc = SystemProperties.get("persist.sys.override_mcc");

if (!TextUtils.isEmpty(overrideMcc)) {

mccmnc = overrideMcc;

Slog.d(LOG_TAG, "updateMccMncConfiguration overriding mccmnc='" + mccmnc + "'");

}

}

if (!TextUtils.isEmpty(mccmnc)) {

int mcc, mnc;

String defaultMccMnc = TelephonyManager.getDefault().getSimOperatorNumeric();

Slog.d(LOG_TAG, "updateMccMncConfiguration defaultMccMnc=" + defaultMccMnc);

//Update mccmnc only for default subscription in case of MultiSim.

// if (!defaultMccMnc.equals(mccmnc)) {

// Slog.d(LOG_TAG, "Not a Default subscription, ignoring mccmnc config update.");

// return;

// }

try {

mcc = Integer.parseInt(mccmnc.substring(0,3));

mnc = Integer.parseInt(mccmnc.substring(3));

} catch (NumberFormatException e) {

Slog.e(LOG_TAG, "Error parsing IMSI: " + mccmnc);

return;

}

Slog.d(LOG_TAG, "updateMccMncConfiguration: mcc=" + mcc + ", mnc=" + mnc);
Locale locale = null; //添加这行

if (mcc != 0) {

setTimezoneFromMccIfNeeded(context, mcc);
locale = getLocaleFromMcc(context, mcc); //添加这行

}

if (fromServiceState) {

setWifiCountryCodeFromMcc(context, mcc);

} else {

// from SIM

try {

Configuration config = new Configuration();

boolean updateConfig = false;

if (mcc != 0) {

config.mcc = mcc;

config.mnc = mnc == 0 ? Configuration.MNC_ZERO : mnc;

updateConfig = true;

}
if (locale != null) { //添加这行
config.setLocale(locale); //添加这行
updateConfig = true; //添加这行
} //添加这行

if (updateConfig) {

Slog.d(LOG_TAG, "updateMccMncConfiguration updateConfig config=" + config);

ActivityManagerNative.getDefault().updateConfiguration(config);

} else {

Slog.d(LOG_TAG, "updateMccMncConfiguration nothing to update");

}

} catch (RemoteException e) {

Slog.e(LOG_TAG, "Can't update configuration", e);

}

}

} else {

if (fromServiceState) {

// an empty mccmnc means no signal - tell wifi we don't know

setWifiCountryCodeFromMcc(context, 0);

}

}

}