Java tutorial
//package com.java2s; import android.util.Log; import java.lang.reflect.Field; public class Main { private static final String TAG = "ReflectionUtils"; /** * Set the field represented by the supplied {@link Field field object} on the * specified {@link Object target object} to the specified <code>value</code>. * In accordance with {@link Field#set(Object, Object)} semantics, the new value * is automatically unwrapped if the underlying field has a primitive type. * * @param field the field to set * @param target the target object on which to set the field * @param value the value to set; may be <code>null</code> */ public static void setField(Field field, Object target, Object value) { try { field.set(target, value); } catch (IllegalAccessException ex) { Log.d(TAG, "setField failed value= " + value, ex); } } }