private void disableNonexistentServices(int userId) {
String flatIn =
Settings.Secure.getStringForUser(
mContext.getContentResolver(), mConfig.secureSettingName, userId);
if (!TextUtils.isEmpty(flatIn)) {
if (DEBUG) Slog.v(TAG, "flat before: " + flatIn);
PackageManager pm = mContext.getPackageManager();
List<ResolveInfo> installedServices =
pm.queryIntentServicesAsUser(
new Intent(mConfig.serviceInterface),
PackageManager.GET_SERVICES | PackageManager.GET_META_DATA,
userId);
if (DEBUG) Slog.v(TAG, mConfig.serviceInterface + " services: " + installedServices);
Set<ComponentName> installed = new ArraySet<ComponentName>();
for (int i = 0, count = installedServices.size(); i < count; i++) {
ResolveInfo resolveInfo = installedServices.get(i);
ServiceInfo info = resolveInfo.serviceInfo;
if (!mConfig.bindPermission.equals(info.permission)) {
Slog.w(
TAG,
"Skipping "
+ getCaption()
+ " service "
+ info.packageName
+ "/"
+ info.name
+ ": it does not require the permission "
+ mConfig.bindPermission);
continue;
}
installed.add(new ComponentName(info.packageName, info.name));
}
String flatOut = "";
if (!installed.isEmpty()) {
String[] enabled = flatIn.split(ENABLED_SERVICES_SEPARATOR);
ArrayList<String> remaining = new ArrayList<String>(enabled.length);
for (int i = 0; i < enabled.length; i++) {
ComponentName enabledComponent = ComponentName.unflattenFromString(enabled[i]);
if (installed.contains(enabledComponent)) {
remaining.add(enabled[i]);
}
}
flatOut = TextUtils.join(ENABLED_SERVICES_SEPARATOR, remaining);
}
if (DEBUG) Slog.v(TAG, "flat after: " + flatOut);
if (!flatIn.equals(flatOut)) {
Settings.Secure.putStringForUser(
mContext.getContentResolver(), mConfig.secureSettingName, flatOut, userId);
}
}
}
