100 lines
4.4 KiB
Markdown
100 lines
4.4 KiB
Markdown
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Android SynchronizedNotifications Sample
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===================================
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A basic sample showing how to use simple or synchronized notifications.
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This allows users to dismiss events from either their phone or wearable device simultaneously.
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Introduction
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------------
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The [DataAPI][1] exposes an API for components to read or write data items and assets between
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the handhelds and wearables. A [DataItem][2] is synchronized across all devices in an Android Wear network.
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It is possible to set data items while not connected to any nodes. Those data items will be synchronized
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when the nodes eventually come online.
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This example presents three buttons that would trigger three different combinations of
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notifications on the handset and the watch:
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1. The first button builds a simple local-only notification on the handset.
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2. The second one creates a wearable-only notification by putting a data item in the shared data
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store and having a [com.google.android.gms.wearable.WearableListenerService][3] listen for
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that on the wearable.
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3. The third one creates a local notification and a wearable notification by combining the above
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two. It, however, demonstrates how one can set things up so that the dismissal of one
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notification results in the dismissal of the other one.
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In the #2 and #3 items, the following code is used to synchronize the data between the handheld
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and the wearable devices using DataAPI.
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```java
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PutDataMapRequest putDataMapRequest = PutDataMapRequest.create(path);
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putDataMapRequest.getDataMap().putString(Constants.KEY_CONTENT, content);
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putDataMapRequest.getDataMap().putString(Constants.KEY_TITLE, title);
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PutDataRequest request = putDataMapRequest.asPutDataRequest();
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Wearable.DataApi.putDataItem(mGoogleApiClient, request)
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.setResultCallback(new ResultCallback<DataApi.DataItemResult>() {
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@Override
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public void onResult(DataApi.DataItemResult dataItemResult) {
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if (!dataItemResult.getStatus().isSuccess()) {
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Log.e(TAG, "buildWatchOnlyNotification(): Failed to set the data, "
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+ "status: " + dataItemResult.getStatus().getStatusCode());
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}
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}
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});
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```
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[1]: http://developer.android.com/reference/com/google/android/gms/wearable/DataApi.html#putDataItem(com.google.android.gms.common.api.GoogleApiClient%2C%20com.google.android.gms.wearable.PutDataRequest)
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[2]: http://developer.android.com/reference/com/google/android/gms/wearable/DataItem.html
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[3]: https://developer.android.com/reference/com/google/android/gms/wearable/WearableListenerService.html
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Pre-requisites
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--------------
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- Android SDK 27
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- Android Build Tools v27.0.2
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- Android Support Repository
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Screenshots
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-------------
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<img src="screenshots/different_notifications_phone.png" height="400" alt="Screenshot"/> <img src="screenshots/different_notifications_wearable.png" height="400" alt="Screenshot"/> <img src="screenshots/notification_options.png" height="400" alt="Screenshot"/> <img src="screenshots/watch_only_notification.png" height="400" alt="Screenshot"/>
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Getting Started
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---------------
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This sample uses the Gradle build system. To build this project, use the
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"gradlew build" command or use "Import Project" in Android Studio.
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Support
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-------
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- Google+ Community: https://plus.google.com/communities/105153134372062985968
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- Stack Overflow: http://stackoverflow.com/questions/tagged/android
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If you've found an error in this sample, please file an issue:
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https://github.com/googlesamples/android-SynchronizedNotifications
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Patches are encouraged, and may be submitted by forking this project and
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submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.
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License
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-------
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Copyright 2017 The Android Open Source Project, Inc.
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Licensed to the Apache Software Foundation (ASF) under one or more contributor
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license agreements. See the NOTICE file distributed with this work for
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additional information regarding copyright ownership. The ASF licenses this
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file to you under the Apache License, Version 2.0 (the "License"); you may not
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use this file except in compliance with the License. You may obtain a copy of
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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, WITHOUT
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WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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License for the specific language governing permissions and limitations under
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the License.
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