Move some app methods to AppUtils in SettingsLib

    <!-- [CHAR LIMIT=NONE] Label of a running process that represents another user -->

    <string name="running_process_item_user_label">User: <xliff:g id="user_name">%1$s</xliff:g></string>

    <!-- Launch defaults preference summary with some set [CHAR LIMIT=40] -->

    <string name="launch_defaults_some">Some defaults set</string>

    <!-- Launch defaults preference summary with none set [CHAR LIMIT=40] -->

    <string name="launch_defaults_none">No defaults set</string>

</resources>

/*

 * Copyright (C) 2015 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License

 */

package com.android.settingslib.applications;

import android.content.ComponentName;

import android.content.Context;

import android.content.IntentFilter;

import android.content.pm.PackageManager;

import android.hardware.usb.IUsbManager;

import android.os.RemoteException;

import android.os.UserHandle;

import android.util.Log;

import com.android.settingslib.R;

import java.util.ArrayList;

import java.util.List;

public class AppUtils {

    private static final String TAG = "AppUtils";

    public static CharSequence getLaunchByDefaultSummary(ApplicationsState.AppEntry appEntry,

            IUsbManager usbManager, PackageManager pm, Context context) {

        String packageName = appEntry.info.packageName;

        boolean hasPreferred = hasPreferredActivities(pm, packageName)

                || hasUsbDefaults(usbManager, packageName);

        int status = pm.getIntentVerificationStatus(packageName, UserHandle.myUserId());

        // consider a visible current link-handling state to be any explicitly designated behavior

        boolean hasDomainURLsPreference =

                status != PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED;

        return context.getString(hasPreferred || hasDomainURLsPreference

                ? R.string.launch_defaults_some

                : R.string.launch_defaults_none);

    }

    public static boolean hasUsbDefaults(IUsbManager usbManager, String packageName) {

        try {

            if (usbManager != null) {

                return usbManager.hasDefaults(packageName, UserHandle.myUserId());

            }

        } catch (RemoteException e) {

            Log.e(TAG, "mUsbManager.hasDefaults", e);

        }

        return false;

    }

    public static boolean hasPreferredActivities(PackageManager pm, String packageName) {

        // Get list of preferred activities

        List<ComponentName> prefActList = new ArrayList<>();

        // Intent list cannot be null. so pass empty list

        List<IntentFilter> intentList = new ArrayList<>();

        pm.getPreferredActivities(intentList, prefActList, packageName);

        Log.d(TAG, "Have " + prefActList.size() + " number of activities in preferred list");

        return prefActList.size() > 0;

    }

}