借助 Recording API,您的应用可以通过创建订阅,请求以省电的方式自动存储传感器数据。订阅与 Android 应用相关联,由健身数据类型或特定数据源组成。
您可以针对应用中的不同数据类型或数据源创建多个订阅。即使应用未运行,Google 健身也会存储有效订阅的健身数据,并在系统重启时恢复这些订阅。
记录的数据位于用户的健身记录中。如果您还想实时显示应用中的数据,请结合使用 Sensors API 和 Recording API。如需使用会话元数据记录健身数据,请使用 Sessions API。
订阅健身数据
如需在应用中请求传感器数据的后台收集,请使用 RecordingClient.subscribe
方法,如以下代码段所示:
Kotlin
Fitness.getRecordingClient(this, GoogleSignIn.getAccountForExtension(this, fitnessOptions)) // This example shows subscribing to a DataType, across all possible data // sources. Alternatively, a specific DataSource can be used. .subscribe(DataType.TYPE_STEP_COUNT_DELTA) .addOnSuccessListener { Log.i(TAG, "Successfully subscribed!") } .addOnFailureListener { e -> Log.w(TAG, "There was a problem subscribing.", e) }
Java
Fitness.getRecordingClient(this, GoogleSignIn.getAccountForExtension(this, fitnessOptions)) // This example shows subscribing to a DataType, across all possible // data sources. Alternatively, a specific DataSource can be used. .subscribe(DataType.TYPE_STEP_COUNT_DELTA) .addOnSuccessListener(unused -> Log.i(TAG, "Successfully subscribed!")) .addOnFailureListener( e -> Log.w(TAG, "There was a problem subscribing.", e));
如果成功添加订阅,Google 健身会代表您的应用将 TYPE_STEP_COUNT_DELTA
类型的健身数据存储在健身记录中。此订阅会出现在应用的有效订阅列表中。
如需在应用中订阅更多类型的健身数据,请按照上一个示例中的步骤操作,但每次都提供不同的健身数据类型。
列出有效订阅
如需获取应用的有效订阅列表,请使用 RecordingClient.listSubscriptions
方法,如以下代码段所示:
Kotlin
Fitness.getRecordingClient(this, GoogleSignIn.getAccountForExtension(this, fitnessOptions)) .listSubscriptions() .addOnSuccessListener { subscriptions -> for (sc in subscriptions) { val dt = sc.dataType Log.i(TAG, "Active subscription for data type: ${dt.name}") } }
Java
Fitness.getRecordingClient(this, GoogleSignIn.getAccountForExtension(this, fitnessOptions)) .listSubscriptions() .addOnSuccessListener(subscriptions -> { for (Subscription sc : subscriptions) { DataType dt = sc.getDataType(); Log.i(TAG, "Active subscription for data type: ${dt.name}"); } }); }
退订健身数据
如需停止在应用中收集传感器数据,请使用 RecordingClient.unsubscribe
方法,如以下代码段所示:
Kotlin
Fitness.getRecordingClient(this, GoogleSignIn.getAccountForExtension(this, fitnessOptions)) // This example shows unsubscribing from a DataType. A DataSource should // be used where the subscription was to a DataSource. Alternatively, if // the client doesn't maintain its subscription information, they can use // an element from the return value of listSubscriptions(), which is of // type Subscription. .unsubscribe(DataType.TYPE_STEP_COUNT_DELTA) .addOnSuccessListener { Log.i(TAG,"Successfully unsubscribed.") } .addOnFailureListener { e-> Log.w(TAG, "Failed to unsubscribe.") // Retry the unsubscribe request. }
Java
Fitness.getRecordingClient(this, GoogleSignIn.getAccountForExtension(this, fitnessOptions)) // This example shows unsubscribing from a DataType. A DataSource // should be used where the subscription was to a DataSource. // Alternatively, if the client doesn’t maintain its subscription // information, they can use an element from the return value of // listSubscriptions(), which is of type Subscription. .unsubscribe(DataType.TYPE_STEP_COUNT_DELTA) .addOnSuccessListener(unused -> Log.i(TAG,"Successfully unsubscribed.")) .addOnFailureListener(e -> { Log.w(TAG, "Failed to unsubscribe."); // Retry the unsubscribe request. }); }