Heroes84

interface CryptographyManager {

    /**
     * This method first gets or generates an instance of SecretKey and then initializes the Cipher
     * with the key. The secret key uses [ENCRYPT_MODE][Cipher.ENCRYPT_MODE] is used.
     */
    fun getInitializedCipherForEncryption(keyName: String): Cipher

    /**
     * This method first gets or generates an instance of SecretKey and then initializes the Cipher

Heroes84

Observable.just("Will")
  .observeOn(Schedulers.io())
  .flatMap({ name ->
    updateUserName.execute(name) //returns another Observable<ApiResult> after calling the API
  }, {
    //this is executed after resolving the last observable emitted, so the result is ready.
     name: String, apiResult: ApiResult -> Pair(name, apiResult) 
  })
  .subscribe({ result ->

Heroes84

        // status bar height
        int statusBarHeight = 0;
        int resourceId = getResources().getIdentifier("status_bar_height", "dimen", "android");
        if (resourceId > 0) {
            statusBarHeight = getResources().getDimensionPixelSize(resourceId);
        }

        // action bar height
        int actionBarHeight = 0;
        final TypedArray styledAttributes = getActivity().getTheme().obtainStyledAttributes(