| /* |
| * Copyright (C) 2017 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.carrierdefaultapp; |
| |
| import android.app.job.JobInfo; |
| import android.app.job.JobParameters; |
| import android.app.job.JobScheduler; |
| import android.app.job.JobService; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.net.ConnectivityManager; |
| import android.net.Network; |
| import android.net.NetworkCapabilities; |
| import android.provider.Settings; |
| import android.util.Log; |
| |
| import com.android.internal.telephony.TelephonyIntents; |
| |
| /** |
| * Service to run {@link android.app.job.JobScheduler} job. |
| * Service to monitor when there is a change to conent URI |
| * {@link android.provider.Settings.Global#DEVICE_PROVISIONED DEVICE_PROVISIONED} |
| */ |
| public class ProvisionObserver extends JobService { |
| |
| private static final String TAG = ProvisionObserver.class.getSimpleName(); |
| public static final int PROVISION_OBSERVER_REEVALUATION_JOB_ID = 1; |
| // minimum & maximum update delay TBD |
| private static final int CONTENT_UPDATE_DELAY_MS = 100; |
| private static final int CONTENT_MAX_DELAY_MS = 200; |
| |
| @Override |
| public boolean onStartJob(JobParameters jobParameters) { |
| switch (jobParameters.getJobId()) { |
| case PROVISION_OBSERVER_REEVALUATION_JOB_ID: |
| if (isProvisioned(this)) { |
| Log.d(TAG, "device provisioned, force network re-evaluation"); |
| final ConnectivityManager connMgr = ConnectivityManager.from(this); |
| Network[] info = connMgr.getAllNetworks(); |
| for (Network nw : info) { |
| final NetworkCapabilities nc = connMgr.getNetworkCapabilities(nw); |
| if (nc.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR) |
| && nc.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)) { |
| // force connectivity re-evaluation to assume skipped carrier actions. |
| // one of the following calls will match the last evaluation. |
| connMgr.reportNetworkConnectivity(nw, true); |
| connMgr.reportNetworkConnectivity(nw, false); |
| break; |
| } |
| } |
| } |
| default: |
| break; |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean onStopJob(JobParameters jobParameters) { |
| return false; |
| } |
| |
| // Returns true if the device is not provisioned yet (in setup wizard), false otherwise |
| private static boolean isProvisioned(Context context) { |
| return Settings.Global.getInt(context.getContentResolver(), |
| Settings.Global.DEVICE_PROVISIONED, 0) == 1; |
| } |
| |
| /** |
| * Static utility function to schedule a job to execute upon the change of content URI |
| * {@link android.provider.Settings.Global#DEVICE_PROVISIONED DEVICE_PROVISIONED}. |
| * @param context The context used to retrieve the {@link ComponentName} and system services |
| * @return true carrier actions are deferred due to phone provisioning process, false otherwise |
| */ |
| public static boolean isDeferredForProvision(Context context, Intent intent) { |
| if (isProvisioned(context)) { |
| return false; |
| } |
| int jobId; |
| switch(intent.getAction()) { |
| case TelephonyIntents.ACTION_CARRIER_SIGNAL_REDIRECTED: |
| jobId = PROVISION_OBSERVER_REEVALUATION_JOB_ID; |
| break; |
| default: |
| return false; |
| } |
| final JobScheduler jobScheduler = (JobScheduler) context.getSystemService( |
| Context.JOB_SCHEDULER_SERVICE); |
| final JobInfo job = new JobInfo.Builder(jobId, |
| new ComponentName(context, ProvisionObserver.class)) |
| .addTriggerContentUri(new JobInfo.TriggerContentUri( |
| Settings.Global.getUriFor(Settings.Global.DEVICE_PROVISIONED), 0)) |
| .setTriggerContentUpdateDelay(CONTENT_UPDATE_DELAY_MS) |
| .setTriggerContentMaxDelay(CONTENT_MAX_DELAY_MS) |
| .build(); |
| jobScheduler.schedule(job); |
| return true; |
| } |
| } |