ion samples, more on https://github.com/koush/ion

ion-ImageView.java

Ion.with(imageView)
.placeholder(R.drawable.placeholder_image)
.error(R.drawable.error_image)
.animateLoad(spinAnimation)
.animateIn(fadeInAnimation)
.load("http://example.com/image.png");

ion-jsonObject.java

Ion.with(context, "http://example.com/thing.json")
.asJsonObject()
.setCallback(new FutureCallback<JsonObject>() {
  @Override
  public void onCompleted(Exception e, JsonObject result) {
    try {
      if (e != null) {
        throw e;
      } else {
        // process data
      }
    } catch (Exception ex) {
      // log exception
      Logger.error(ex.toString());
    } 
  }
});

ion-string.java

Ion.with(context, "http://example.com/thing.json")
.asString()
.setCallback(new FutureCallback<String>() {
  @Override
  public void onCompleted(Exception e, String result) {
    try {
      if (e != null) {
        throw e;
      } else {
        // process data
      }
    } catch (Exception ex) {
      // log exception
      Logger.error(ex.toString());
    } 
  }
});