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A lightweight wrapper around SensorManager which introduces reactive stream semantics to Sensor and Trigger data.

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A lightweight wrapper around SensorManager which introduces reactive stream semantics to Sensor and Trigger data.

Usage

To use RxSensor, an RxSensorManger object must be constructed from a standard SensorManager.

SensorManager sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);

RxSensorManager rxSensorManager = new RxSensorManager(sensorManager);

observeSensor()

This reactive implementation of a SensorManager exposes methods to listen to a specific Sensor as an Observable<SensorEvent> stream. These methods correspond roughly to SensorManager's various supported [registerListener](http://developer.android.com/reference/android/hardware/SensorManager.html#registerListener(android.hardware.SensorEventListener, android.hardware.Sensor, int, int)) methods.

Observable<SensorEvent> sensorObservable =
        rxSensorManager.observeSensor(Sensor.TYPE_ACCELEROMETER, SensorManager.SENSOR_DELAY_NORMAL);
sensorObservable.subscribe(new Action1<SensorEvent>() {
    @Override public void call(SensorEvent event) {
        // TODO react to event...
    }
});

observeTrigger()

In addition to observing SensorEvent streams, RxSensorManager also provides the functionality to observe a TriggerEvent. This method roughly corresponds to SensorManager's [requestTriggerSensor](http://developer.android.com/reference/android/hardware/SensorManager.html#requestTriggerSensor(android.hardware.TriggerEventListener, android.hardware.Sensor)) method.

NOTE: While this library targets API 9 and above, TriggerEvents are only supported on API 18 and above. This means that observeSensor also targets API 18 and will throw an exception if used on a low API level.

Observable<TriggerEvent> triggerObservable =
        rxSensorManager.observeTrigger(Sensor.TYPE_SIGNIFICANT_MOTION);
triggerObservable.subscribe(new Action1<TriggerEvent>() {
    @Override public void call(TriggerEvent event) {
        // TODO react to event...
    }
});

Download

compile 'com.nvanbenschoten.rxsensor:rxsensor:1.1.1'

License

Copyright 2015 Nathan VanBenschoten

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.

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A lightweight wrapper around SensorManager which introduces reactive stream semantics to Sensor and Trigger data.

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