kiwiandroiddev

/**
 * If [assumed] is non-null, converts it to a non-null type and executes [block] on the non-null
 * type as an extension function (like with() in the Standard kotlin library)
 *
 * Similar to Swift's "if let = ..." construct.
 */
fun <T> if_let(assumed : T?, block : T.() -> Unit) {
    if (assumed == null)
        return

kiwiandroiddev

def getGitCommit() {
    return 'git rev-parse --short HEAD'.execute([], project.rootDir).text.trim()
}

def getGitTag() {
    def p = Runtime.getRuntime().exec("git describe HEAD --abbrev=0")

    if (p.waitFor() != 0) {
        return "none" // no tag
    }

kiwiandroiddev

var Rx = require('rx')
var MAX_RETRIES = 4

Rx.Observable.throw(new Error("always fails"))
  .retryWhen(function (errors) {
      return Rx.Observable.zip(
        Rx.Observable.range(1, MAX_RETRIES), errors, function (i, e) { return i })
        .flatMap(function (i) {
          console.log("delay retry by " + i + " second(s)");
          return Rx.Observable.timer(i * 1000);

kiwiandroiddev

public class ThemeUtils {
  public static int getResourceIdForAttribute(@AttrRes int attrId, Activity activity) {
      TypedValue outValue = new TypedValue();
      activity.getTheme().resolveAttribute(attrId, outValue, true);
      return outValue.resourceId;
  }
}