I have a background service which need much power, but is only needed if the device ist moving. I registered a sensor
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The problem is, that this sensors should be available: int TYPE_ACCELEROMETER int TYPE_ALL int TYPE_GRAVITY
I have plain Jar Project that reference by android application. Then, I have Functions.java for my common functions which I want to create unit test class.
I have a long-running service listening for sensor input. To conserve battery power, I\'ve stopped the sampling of the sensors on ACTION_SCREEN_OFF and started it back up again on ACTION_SCREEN_ON.
I\'ve read this documentation -> SensorEvent then, I found that in order to get the values for TYPE_PRESSURE sensor type,开发者_开发百科 I need to listen for SensorEventListener.
Is there a way to obtain altitude aside from Location.getAltitude()? I\'ve heard using Sensor but don\'t have idea and can\'t find on net.
I开发者_如何转开发 have application using Android 2.1 which utilize LocationManager to get the altitude. But now, I need to obtain the altitude using SensorManager which requires API Level 9 (2.3).
In android, we have Sensor.TYPE_GRAVITY, Sensor.TYPE_ACCELEROMETER, Sensor.TYPE_LINEAR_ACCELERATION. And it is known from android developer forum that,
I want to calculate orientation of the phone. Android documentation says that I can do that using getRotationMatrix (float[] R, float[] I, float[] gravity, float[] geomagnetic) and remapCoordinateSyst
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