0335cd1e9b
Some devices do not have emergencybroadcast app installed, so we should not show the preference item for it. Add the preference controller into AppAndNotificationFragment properly hides it. Change-Id: Ic39ba24da9bd8f3200a5e44232a5489e35c48c0a Fix: 37945069 Test: make RunSettingsRoboTests
101 lines
3.5 KiB
Java
101 lines
3.5 KiB
Java
/*
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* Copyright (C) 2016 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.notification;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.os.UserHandle;
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import android.os.UserManager;
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import android.support.annotation.VisibleForTesting;
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import android.support.v7.preference.Preference;
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import com.android.settings.accounts.AccountRestrictionHelper;
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import com.android.settings.core.PreferenceController;
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import com.android.settingslib.RestrictedPreference;
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/**
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* Base class for preference controller that handles preference that enforce adjust volume
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* restriction
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*/
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public class EmergencyBroadcastPreferenceController extends PreferenceController {
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private final String mPrefKey;
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private AccountRestrictionHelper mHelper;
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private UserManager mUserManager;
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private PackageManager mPm;
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private boolean mCellBroadcastAppLinkEnabled;
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public EmergencyBroadcastPreferenceController(Context context, String prefKey) {
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this(context, new AccountRestrictionHelper(context), prefKey);
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}
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@VisibleForTesting(otherwise = VisibleForTesting.NONE)
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EmergencyBroadcastPreferenceController(Context context, AccountRestrictionHelper helper,
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String prefKey) {
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super(context);
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mPrefKey = prefKey;
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mHelper = helper;
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mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
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mPm = mContext.getPackageManager();
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// Enable link to CMAS app settings depending on the value in config.xml.
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mCellBroadcastAppLinkEnabled = isCellBroadcastAppLinkEnabled();
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}
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@Override
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public void updateState(Preference preference) {
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if (!(preference instanceof RestrictedPreference)) {
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return;
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}
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((RestrictedPreference) preference).checkRestrictionAndSetDisabled(
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UserManager.DISALLOW_CONFIG_CELL_BROADCASTS);
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}
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@Override
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public boolean handlePreferenceTreeClick(Preference preference) {
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return false;
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}
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@Override
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public String getPreferenceKey() {
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return mPrefKey;
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}
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@Override
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public boolean isAvailable() {
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return mUserManager.isAdminUser() && mCellBroadcastAppLinkEnabled
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&& !mHelper.hasBaseUserRestriction(
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UserManager.DISALLOW_CONFIG_CELL_BROADCASTS, UserHandle.myUserId());
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}
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private boolean isCellBroadcastAppLinkEnabled() {
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boolean enabled = mContext.getResources().getBoolean(
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com.android.internal.R.bool.config_cellBroadcastAppLinks);
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if (enabled) {
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try {
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if (mPm.getApplicationEnabledSetting("com.android.cellbroadcastreceiver")
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== PackageManager.COMPONENT_ENABLED_STATE_DISABLED) {
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enabled = false; // CMAS app disabled
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}
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} catch (IllegalArgumentException ignored) {
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enabled = false; // CMAS app not installed
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}
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}
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return enabled;
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}
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} |