How can I unit test an Android Activity that acts on Accelerometer?

Question

I am starting with an Activity based off of this ShakeActivity and I want to write some unit tests for it. I have written some small unit tests for Android activities befor

Answer 1

Well, you can write an interface.

interface IAccelerometerReader {
    public float[] readAccelerometer();
}

The write an AndroidAccelerometerReader and FakeAccelerometerReader. Your code would use IAccelerometerReader but you can swap in the Android or Fake readers.