public ActivityBuilder setFixAspectRatio(boolean fixAspectRatio) {
      mOptions.fixAspectRatio = fixAspectRatio;
      return this;
    }
whether the width to height aspect ratio should be maintained or free to change.<br>
<i>Default: false</i>
core/src/main/java/com/theartofdev/edmodo/cropper/CropImage.java