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cvoronin

fun ViewGroup.children() : List<View> = arrayListOf<View>().apply {
    for (i in 0..childCount-1) {
        add(getChildAt(i))
    }
}

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    @Test
    fun testEmitWithDelays() {
        val DELAY = 500L
        val COUNT = 5

        val latch = CountDownLatch(1)
        val startMoment = System.currentTimeMillis()
        var endMoment : Long = 0

        Observable

cvoronin

This diagram llustrates flow of states when we have to add some location-aware functions into UI

cvoronin

public static void printPermissions(Context context) {
    PackageInfo android;
    try {
        android = context.getPackageManager().getPackageInfo("android", PackageManager.GET_PERMISSIONS);
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
        return;
    }

    PermissionInfo[] permissions = android.permissions;

cvoronin

RxJava

• RxJava: Reactive Extensions for the JVM
• Ben Christensen - "Functional Reactive Programming with RxJava"
• The introduction to Reactive Programming you've been missing

Functional (Reactive) Programming

• What is Functional Reactive Programming?