0e19d2420b
Each default preference needs to have its corresponding PreferenceAvailabilityProvider to provide us the availability of it. If no corresponding provider is found, it is considered to be not available. So it encourages other developers who will add new default app preference later to consider the availability of it. Bug:27143673 Change-Id: I073b7122dddc579504f397c5de2bdd4df3826269
122 lines
4.6 KiB
Java
122 lines
4.6 KiB
Java
/**
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.applications;
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import com.android.settings.AppListPreference;
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import android.app.ActivityManager;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.content.pm.ServiceInfo;
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import android.os.UserManager;
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import android.provider.Settings;
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import android.service.notification.NotificationAssistantService;
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import android.util.AttributeSet;
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import android.util.Slog;
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import java.util.ArrayList;
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import java.util.List;
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import com.android.settings.PreferenceAvailabilityProvider;
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import com.android.settings.R;
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import com.android.settings.Utils;
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import com.android.settings.notification.ManagedServiceSettings;
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public class DefaultNotificationAssistantPreference extends AppListPreference {
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private static final String TAG = "DefaultNotiAssist";
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private PackageManager mPm;
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private final ManagedServiceSettings.Config mConfig;
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private final Context mContext;
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public DefaultNotificationAssistantPreference(Context context, AttributeSet attrs) {
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super(context, attrs);
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mContext = context;
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mPm = context.getPackageManager();
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mConfig = getConfig();
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setShowItemNone(true);
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updateList(getServices());
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}
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@Override
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protected boolean persistString(String value) {
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Settings.Secure.putString(mContext.getContentResolver(), mConfig.setting, value);
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setSummary(getEntry());
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return true;
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}
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private void updateList(List<ServiceInfo> services) {
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final ComponentName[] assistants = new ComponentName[services.size()];
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for (int i = 0; i < services.size(); i++) {
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assistants[i] = new ComponentName(services.get(i).packageName, services.get(i).name);
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}
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final String assistant =
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Settings.Secure.getString(mContext.getContentResolver(), mConfig.setting);
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setComponentNames(assistants, assistant == null ? null
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: ComponentName.unflattenFromString(assistant));
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}
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private List<ServiceInfo> getServices() {
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List<ServiceInfo> services = new ArrayList<>();
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final int user = ActivityManager.getCurrentUser();
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List<ResolveInfo> installedServices = mPm.queryIntentServicesAsUser(
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new Intent(mConfig.intentAction),
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PackageManager.GET_SERVICES | PackageManager.GET_META_DATA,
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user);
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for (int i = 0, count = installedServices.size(); i < count; i++) {
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ResolveInfo resolveInfo = installedServices.get(i);
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ServiceInfo info = resolveInfo.serviceInfo;
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if (!mConfig.permission.equals(info.permission)) {
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Slog.w(mConfig.tag, "Skipping " + mConfig.noun + " service "
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+ info.packageName + "/" + info.name
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+ ": it does not require the permission "
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+ mConfig.permission);
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continue;
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}
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services.add(info);
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}
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return services;
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}
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private ManagedServiceSettings.Config getConfig() {
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final ManagedServiceSettings.Config c = new ManagedServiceSettings.Config();
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c.tag = TAG;
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c.setting = Settings.Secure.ENABLED_NOTIFICATION_ASSISTANT;
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c.intentAction = NotificationAssistantService.SERVICE_INTERFACE;
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c.permission = android.Manifest.permission.BIND_NOTIFICATION_ASSISTANT_SERVICE;
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c.noun = "notification assistant";
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c.warningDialogTitle = R.string.notification_listener_security_warning_title;
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c.warningDialogSummary = R.string.notification_listener_security_warning_summary;
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c.emptyText = R.string.no_notification_listeners;
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return c;
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}
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public static class AvailabilityProvider implements PreferenceAvailabilityProvider {
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@Override
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public boolean isAvailable(Context context) {
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return !Utils.isManagedProfile(UserManager.get(context));
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}
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}
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}
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