Measures human heart rate using camera and flash light.

Related tags

Camera camera sensor android-library rxandroid
Overview

Donation About Jan Rabe

Heart-Rate-Ometer Android Arsenal Javadoc Build Status API Gradle Version Retrolambda Licence

Introduction

Measures human heart rate using camera and flash light.

Screenshot Screenshot

How-it-works

https://github.com/phishman3579/android-heart-rate-monitor/wiki/How-it-works.

How to install

repositories {
    maven {
        url "https://jitpack.io"
    }
}

dependencies {
    implementation 'com.github.kibotu:Heart-Rate-Ometer:-SNAPSHOT'
}

How to use

0 Request camera permission

Manifest.permission.CAMERA

1 Add surfaceView to your layout which is required for the camera preview

<SurfaceView
    android:id="@+id/preview"
    android:layout_width="1dp"
    android:layout_height="1dp"
    android:visibility="visible" />

2 Subscribe to the beats per minute stream

HeartRateOmeter()
    .bpmUpdates(context, preview)
    .subscribe(
            { bpm: Int -> label.text = "$bpm bpm" },
            Throwable::printStackTrace)

How to build

graldew clean build

CI

gradlew clean assembleRelease test javadoc

Build Requirements

  • JDK8
  • Android Build Tools 27.0.2
  • Android SDK 27

Notes

Follow me on Twitter: @wolkenschauer

Let me know what you think: [email protected]

Contributions welcome!

Contributors

###License

Copyright 2018 Jan Rabe

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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Comments
  • java.lang.RuntimeException: setParameters failed

    java.lang.RuntimeException: setParameters failed

    Using API 28

    android.hardware.Camera.native_setParameters (Camera.java) android.hardware.Camera.setParameters (Camera.java:2102) de.charite.balsam.utils.camera.CameraPreLolipop.getParameters (Unknown Source:4) net.kibotu.heartrateometer.HeartRateOmeter.getPublishSubject (Unknown Source:107) net.kibotu.heartrateometer.HeartRateOmeter.startPreview (Unknown Source:12) net.kibotu.heartrateometer.HeartRateOmeter.start (Unknown Source:139) net.kibotu.heartrateometer.HeartRateOmeter$bpmUpdates$1.accept (Unknown Source:19) net.kibotu.heartrateometer.HeartRateOmeter$bpmUpdates$1.accept (Unknown Source:2) io.reactivex.internal.observers.DisposableLambdaObserver.onSubscribe (Unknown Source:2) io.reactivex.subjects.PublishSubject.create (Unknown Source:5) io.reactivex.Observable.doOnDispose (Unknown Source:14) io.reactivex.internal.operators.observable.ObservableDoOnLifecycle.subscribeActual (Unknown Source:11) io.reactivex.Observable.doOnDispose (Unknown Source:14) io.reactivex.internal.operators.observable.ObservableDoOnLifecycle.subscribeActual (Unknown Source:11) io.reactivex.Observable.doOnDispose (Unknown Source:14) io.reactivex.Observable.doOnDispose (Unknown Source:25) io.reactivex.Observable.subscribe (Unknown Source:8)

    help wanted 
    opened by JotaFerreira 2
Owner
Jan Rabe
Native Android / Unity Developer & Technocrat #kotlin #csharp #unity #opensource
Jan Rabe
GitHub
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