public ToStringBuilder append(String fieldName, Object obj, boolean fullDetail) {
        style.append(buffer, fieldName, obj, Boolean.valueOf(fullDetail));
        return this;
    }
<p>Append to the <code>toString</code> an <code>Object</code>
value.</p>

@param fieldName  the field name
@param obj  the value to add to the <code>toString</code>
@param fullDetail  <code>true</code> for detail,
 <code>false</code> for summary info
@return this
android/android_framework/base/src/main/java/lang3/builder/ToStringBuilder.java