120 lines
5.2 KiB
HTML
120 lines
5.2 KiB
HTML
<html devsite>
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<head>
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<title>Call Notifications</title>
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<meta name="project_path" value="/_project.yaml" />
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<meta name="book_path" value="/_book.yaml" />
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</head>
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<body>
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<!--
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Copyright 2017 The Android Open Source Project
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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<p>Android 7.0 moves functionality related to call notifications from the
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Telecom system service in the Android platform to the Dialer application.
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Previously, the responsibility for displaying call-related notifications was
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split between Telecom and the default Dialer app, creating inconsistencies in
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behavior. In Android 7.0, the Dialer assumes all responsibility for handling
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call notifications.</p>
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<h2 id=android_6>Behavior in Android 6.x and earlier</h2>
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<p>In earlier Android releases, Telecom and Dialer split responsibilities as
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described below:</p>
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<table>
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<tr>
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<th>Functionality</th>
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<th>Done by Telecom</th>
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<th>Done by Dialer</th>
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</tr>
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<tr>
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<td>Incoming call notification</td>
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<td>Yes (ringing, vibrate)</td>
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<td>Yes (notification display, caller ID)</td>
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</tr>
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<tr>
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<td>Send to voicemail</td>
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<td>Yes</td>
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<td>No</td>
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</tr>
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<tr>
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<td>Custom ringtone</td>
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<td>Yes</td>
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<td>No</td>
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</tr>
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<tr>
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<td>Missed call notifications</td>
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<td>Yes</td>
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<td>No</td>
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</tr>
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<tr>
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<td>Message Waiting Indicator (call voicemail)</td>
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<td>Yes (telephony)</td>
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<td>No</td>
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</tr>
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<tr>
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<td>Visual voicemail notifications</td>
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<td>No</td>
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<td>Yes</td>
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</tr>
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</tbody>
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</table>
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<p>Examples of inconsistent behavior caused by this responsibility split
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included:</p>
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<ul>
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<li>Telecom was responsible for starting the ringer/vibrator, but the dialer was
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responsible for displaying the incoming call notification. If the dialer is slow
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to startup, this can result in ringing starting several seconds before the
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incoming call notification is displayed.</li>
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<li>Telecom was responsible for displaying missed call notifications. As
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proprietary features (such as Google caller ID) do not work on these
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notifications, this could result in inconsistencies between Telecom
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notifications and Dialer UI (such as the call log).</li>
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</ul>
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<h2 id=android_7>Behavior in Android 7.0 and later</h2>
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<p>The Android Open Source Project (AOSP) Dialer implements the new
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functionality. For details, refer to the following documentation:</p>
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<ul>
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<li>Missed call notifications<br>
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<a href="https://android.googlesource.com/platform/packages/services/Telecomm/+/nougat-release/src/com/android/server/telecom/ui/MissedCallNotifierImpl.java">Telecom/src/com/android/server/telecom/ui/MissedCallNotifierImpl.java</a><br>
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<a href="https://android.googlesource.com/platform/packages/apps/Dialer/+/nougat-release/src/com/android/dialer/calllog/MissedCallNotificationReceiver.java">Dialer/src/com/android/dialer/calllog/MissedCallNotificationReceiver.java</a><br>
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<a href="https://android.googlesource.com/platform/packages/apps/Dialer/+/nougat-release/src/com/android/dialer/calllog/MissedCallNotifier.java">Dialer/src/com/android/dialer/calllog/MissedCallNotifier.java</a></li>
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<li>Playing ringtones:<br>
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<a href="https://android.googlesource.com/platform/frameworks/base/+/nougat-release/telecomm/java/android/telecom/InCallService.java">frameworks/base/telecomm/java/android/telecom/InCallService.java</a><br>
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<a href="https://android.googlesource.com/platform/packages/services/Telecomm/+/nougat-release/src/com/android/server/telecom/InCallController.java">Telecom/src/com/android/server/telecom/InCallController.java</a><br>
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<a href="https://android.googlesource.com/platform/packages/apps/Dialer/+/nougat-release/InCallUI/src/com/android/incallui/ringtone/">Dialer/InCallUI/src/com/android/incallui/ringtone</a><br>
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<a href="https://android.googlesource.com/platform/packages/apps/Dialer/+/nougat-release/InCallUI/src/com/android/incallui/StatusBarNotifier.java">Dialer/InCallUI/src/com/android/incallui/StatusBarNotifier.java</a></li>
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<li>VVM notifications<br>
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<a href="https://android.googlesource.com/platform/frameworks/base/+/nougat-release/telephony/java/android/telephony/TelephonyManager.java">frameworks/base/telephony/java/android/telephony/TelephonyManager.java</a><br>
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<a href="https://android.googlesource.com/platform/packages/services/Telephony/+/nougat-release/src/com/android/phone/PhoneInterfaceManager.java">Telephony/src/com/android/phone/PhoneInterfaceManager.java</a><br>
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<a href="https://android.googlesource.com/platform/packages/apps/Dialer/+/nougat-release/src/com/android/dialer/calllog/DefaultVoicemailNotifier.java">Dialer/src/com/android/dialer/calllog/DefaultVoicemailNotifier.java</a></li>
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</ul>
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<h2 id=implement>Implementation</h2>
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<p>Device implementers may need to update Telecom/Telephony components that
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expose APIs available for use by by the default Dialer.</p>
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</body>
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</html>
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