mlkit_sample_2.kt

// Pass the input data, as an array, that contains a single float array, with a single value
// So in all [0][0] = 21, a 1x1 matrix in the form a Array of FloatArray
val inp = arrayOf(floatArrayOf(21f))
val inputs = FirebaseModelInputs.Builder().add(inp).build()

// Run the model
interpreter.run(inputs, dataOptions)
        .continueWith { task ->
            try {
                // The output is also a Array of FloatArray
                val output = task.result.getOutput<Array<FloatArray>>(0)

                // Result is in [0][0]
                Log.d("MainActivity", "Multiplication result: ${output[0][0]}")
            } catch (t: Throwable) {
                Log.e("MainActivity", t.localizedMessage, t)
            }
        }