java反射android的r文件的示例
本文导语: 动态取得R文件的int值,通过string-array name属性动态获取R.array.xxx的int值 代码如下://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()...
动态取得R文件的int值,通过string-array name属性动态获取R.array.xxx的int值
//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;
}