fionaxu | 72ee500 | 2017-01-22 22:43:41 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.carrierdefaultapp; |
| 18 | |
| 19 | import android.app.job.JobInfo; |
| 20 | import android.app.job.JobParameters; |
| 21 | import android.app.job.JobScheduler; |
| 22 | import android.app.job.JobService; |
| 23 | import android.content.ComponentName; |
| 24 | import android.content.Context; |
| 25 | import android.content.Intent; |
| 26 | import android.net.ConnectivityManager; |
| 27 | import android.net.Network; |
| 28 | import android.net.NetworkCapabilities; |
| 29 | import android.provider.Settings; |
| 30 | import android.util.Log; |
| 31 | |
| 32 | import com.android.internal.telephony.TelephonyIntents; |
| 33 | |
| 34 | /** |
| 35 | * Service to run {@link android.app.job.JobScheduler} job. |
| 36 | * Service to monitor when there is a change to conent URI |
| 37 | * {@link android.provider.Settings.Global#DEVICE_PROVISIONED DEVICE_PROVISIONED} |
| 38 | */ |
| 39 | public class ProvisionObserver extends JobService { |
| 40 | |
| 41 | private static final String TAG = ProvisionObserver.class.getSimpleName(); |
| 42 | public static final int PROVISION_OBSERVER_REEVALUATION_JOB_ID = 1; |
| 43 | // minimum & maximum update delay TBD |
| 44 | private static final int CONTENT_UPDATE_DELAY_MS = 100; |
| 45 | private static final int CONTENT_MAX_DELAY_MS = 200; |
| 46 | |
| 47 | @Override |
| 48 | public boolean onStartJob(JobParameters jobParameters) { |
| 49 | switch (jobParameters.getJobId()) { |
| 50 | case PROVISION_OBSERVER_REEVALUATION_JOB_ID: |
| 51 | if (isProvisioned(this)) { |
| 52 | Log.d(TAG, "device provisioned, force network re-evaluation"); |
| 53 | final ConnectivityManager connMgr = ConnectivityManager.from(this); |
| 54 | Network[] info = connMgr.getAllNetworks(); |
| 55 | for (Network nw : info) { |
| 56 | final NetworkCapabilities nc = connMgr.getNetworkCapabilities(nw); |
| 57 | if (nc.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR) |
| 58 | && nc.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)) { |
| 59 | // force connectivity re-evaluation to assume skipped carrier actions. |
| 60 | // one of the following calls will match the last evaluation. |
| 61 | connMgr.reportNetworkConnectivity(nw, true); |
| 62 | connMgr.reportNetworkConnectivity(nw, false); |
| 63 | break; |
| 64 | } |
| 65 | } |
| 66 | } |
| 67 | default: |
| 68 | break; |
| 69 | } |
| 70 | return false; |
| 71 | } |
| 72 | |
| 73 | @Override |
| 74 | public boolean onStopJob(JobParameters jobParameters) { |
| 75 | return false; |
| 76 | } |
| 77 | |
| 78 | // Returns true if the device is not provisioned yet (in setup wizard), false otherwise |
| 79 | private static boolean isProvisioned(Context context) { |
| 80 | return Settings.Global.getInt(context.getContentResolver(), |
| 81 | Settings.Global.DEVICE_PROVISIONED, 0) == 1; |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Static utility function to schedule a job to execute upon the change of content URI |
| 86 | * {@link android.provider.Settings.Global#DEVICE_PROVISIONED DEVICE_PROVISIONED}. |
| 87 | * @param context The context used to retrieve the {@link ComponentName} and system services |
| 88 | * @return true carrier actions are deferred due to phone provisioning process, false otherwise |
| 89 | */ |
| 90 | public static boolean isDeferredForProvision(Context context, Intent intent) { |
| 91 | if (isProvisioned(context)) { |
| 92 | return false; |
| 93 | } |
| 94 | int jobId; |
| 95 | switch(intent.getAction()) { |
| 96 | case TelephonyIntents.ACTION_CARRIER_SIGNAL_REDIRECTED: |
| 97 | jobId = PROVISION_OBSERVER_REEVALUATION_JOB_ID; |
| 98 | break; |
| 99 | default: |
| 100 | return false; |
| 101 | } |
| 102 | final JobScheduler jobScheduler = (JobScheduler) context.getSystemService( |
| 103 | Context.JOB_SCHEDULER_SERVICE); |
| 104 | final JobInfo job = new JobInfo.Builder(jobId, |
| 105 | new ComponentName(context, ProvisionObserver.class)) |
| 106 | .addTriggerContentUri(new JobInfo.TriggerContentUri( |
| 107 | Settings.Global.getUriFor(Settings.Global.DEVICE_PROVISIONED), 0)) |
| 108 | .setTriggerContentUpdateDelay(CONTENT_UPDATE_DELAY_MS) |
| 109 | .setTriggerContentMaxDelay(CONTENT_MAX_DELAY_MS) |
| 110 | .build(); |
| 111 | jobScheduler.schedule(job); |
| 112 | return true; |
| 113 | } |
| 114 | } |