mrArtCore

  // in some Activity 
  ...
  private val disposables: CompositeDisposable = NewCompDisposable()
  ...
  override fun onCreate(...) { // yes, even in onCreate. Could listener be invoked after onStop ?
    button.onClick { // your listener 
      disposables.add( // important step !!! should track subscription! 
        RxPermission().request(someParams)
          .doOnSubscribe(button.disable())
          .doOnNext(button.enable())

mrArtCore

# Save the obfuscation mapping to a file, so we can de-obfuscate any stack
# traces later on. Keep a fixed source file attribute and all line number
# tables to get line numbers in the stack traces.
# You can comment this out if you're not interested in stack traces.

-printmapping out.map
-keepparameternames
-renamesourcefileattribute SourceFile
-keepattributes Exceptions,InnerClasses,Signature,Deprecated,
                SourceFile,LineNumberTable,EnclosingMethod

mrArtCore

class LocationDelegate(val activity: Activity) {

    companion object {
        val locationPermission = arrayOf(android.Manifest.permission.ACCESS_FINE_LOCATION, android.Manifest.permission.ACCESS_COARSE_LOCATION)
        const val ACTION_TO_SETTINGS = Settings.ACTION_LOCATION_SOURCE_SETTINGS
        const val GEO_REQUEST_CODE = 765
    }

    private val locationTurnOnObserver = PublishSubject.create<Boolean>()

mrArtCore

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console