反射android R文件

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//通过string-array
name属性动态获取R.array.xxx的int值

public

CharSequence[] getListData(String name) {

        try

{

            Class<?>
arrayClass = getArrayResource().getClass();

            Field
intField = arrayClass.getField(name);

            int

sourceId = intField.getInt(name);

            return

getResources().getTextArray(sourceId);

        }
catch

(Exception e) {

            e.printStackTrace();

        }

        return

null;

    }

private

Object arrayResource = null;

private

Object getArrayResource() {

        if

(arrayResource == null)
{

            Class<?>
resource = R.class;

            try

{

                Class<?>[]
classes = resource.getClasses();

                for

(Class<?> c : classes) {

                    int

i = c.getModifiers();

                    String
className = c.getName();

                    String
s = Modifier.toString(i);

                    if

(s.contains("static")
&& className.contains("array"))
{

                        return

c.getConstructor().newInstance();

                    }
else

{

                        continue;

                    }

                }

            }
catch

(Exception e) {

                e.printStackTrace();

            }

        }

        return

arrayResource;

    }