fun scrollList()

in MacrobenchmarkSample/macrobenchmark/src/main/java/com/example/macrobenchmark/frames/FrameTimingBenchmark.kt [41:66]

• 18 lines of code
• 1 McCabe index (conditional complexity)

    fun scrollList() {
        benchmarkRule.measureRepeated(
            // [START_EXCLUDE]
            packageName = TARGET_PACKAGE,
            metrics = listOf(FrameTimingMetric()),
            // Try switching to different compilation modes to see the effect
            // it has on frame timing metrics.
            compilationMode = CompilationMode.None(),
            startupMode = StartupMode.WARM, // restarts activity each iteration
            iterations = 10,
            // [END_EXCLUDE]
            setupBlock = {
                // Before starting to measure, navigate to the UI to be measured
                val intent = Intent("$packageName.RECYCLER_VIEW_ACTIVITY")
                startActivityAndWait(intent)
            }
        ) {
            val recycler = device.findObject(By.res(packageName, "recycler"))
            // Set gesture margin to avoid triggering gesture navigation
            // with input events from automation.
            recycler.setGestureMargin(device.displayWidth / 5)

            // Scroll down several times
            repeat(3) { recycler.fling(Direction.DOWN) }
        }
    }