import org.jf.dexlib2.util.EncodedValueUtils; //导入依赖的package包/类
public static void writeTo(IndentingWriter writer, Field field, boolean setInStaticConstructor) throws IOException {
    EncodedValue initialValue = field.getInitialValue();
    int accessFlags = field.getAccessFlags();

    if (setInStaticConstructor &&
            AccessFlags.STATIC.isSet(accessFlags) &&
            AccessFlags.FINAL.isSet(accessFlags) &&
            initialValue != null) {
        if (!EncodedValueUtils.isDefaultValue(initialValue)) {
            writer.write("# The value of this static final field might be set in the static constructor\n");
        } else {
            // don't write out the default initial value for static final fields that get set in the static
            // constructor
            initialValue = null;
        }
    }

    writer.write(".field ");
    writeAccessFlags(writer, field.getAccessFlags());
    writer.write(field.getName());
    writer.write(':');
    writer.write(field.getType());
    if (initialValue != null) {
        writer.write(" = ");
        EncodedValueAdaptor.writeTo(writer, initialValue);
    }

    writer.write('\n');

    Collection<? extends Annotation> annotations = field.getAnnotations();
    if (annotations.size() > 0) {
        writer.indent(4);
        AnnotationFormatter.writeTo(writer, annotations);
        writer.deindent(4);
        writer.write(".end field\n");
    }
}
 

import org.jf.dexlib2.util.EncodedValueUtils; //导入依赖的package包/类
@Override
public boolean apply(Field input) {
    EncodedValue encodedValue = input.getInitialValue();
    return encodedValue != null && !EncodedValueUtils.isDefaultValue(encodedValue);
}