Merge "Add APIs to indicate which subscriptions should be hidden from user"

import android.os.ServiceManager;

import android.telephony.euicc.EuiccManager;

import android.telephony.ims.ImsMmTelManager;

import android.text.TextUtils;

import android.util.DisplayMetrics;

import android.util.Log;

import java.util.Locale;

import java.util.concurrent.Executor;

import java.util.concurrent.TimeUnit;

import java.util.stream.Collectors;

/**

 * SubscriptionManager is the application interface to SubscriptionController

                (iSub)-> iSub.setMetered(isMetered, subId));

    }

    /**

     * Whether system UI should hide a subscription. If it's a bundled opportunistic

     * subscription, it shouldn't show up in anywhere in Settings app, dialer app,

     * or status bar.

     *

     * @param info the subscriptionInfo to check against.

     * @return true if this subscription should be hidden.

     *

     * @hide

     */

    public static boolean shouldHideSubscription(SubscriptionInfo info) {

        return (info != null && !TextUtils.isEmpty(info.getGroupUuid()) && info.isOpportunistic());

    }

    /**

     * Return a list of subscriptions that are available and visible to the user.

     * Used by Settings app to show a list of subscriptions for user to pick.

     *

     * <p>

     * Permissions android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE is required

     * for getSelectableSubscriptionInfoList to be invoked.

     * @return list of user selectable subscriptions.

     *

     * @hide

     */

    public @Nullable List<SubscriptionInfo> getSelectableSubscriptionInfoList() {

        List<SubscriptionInfo> availableList = getAvailableSubscriptionInfoList();

        if (availableList == null) {

            return null;

        } else {

            return getAvailableSubscriptionInfoList().stream()

                    .filter(subInfo -> !shouldHideSubscription(subInfo))

                    .collect(Collectors.toList());

        }

    }

    private interface CallISubMethodHelper {

        int callMethod(ISub iSub) throws RemoteException;

    }