Android_Utils/SystemPropertiesUtils.java at master · RealMoMo/Android_Utils · GitHub

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packagecom.hht.oem.quicksetting.utils;

importjava.lang.reflect.InvocationTargetException;
importjava.lang.reflect.Method;
importjava.util.logging.Logger;

publicclassSystemPropertiesUtils {

publicstaticvoidsetProperty(Stringkey, Stringvalue) {
try {
Class<?> clazz = Class.forName("android.os.SystemProperties");
Methodmethod = clazz.getMethod("set", String.class, String.class);
method.invoke(clazz, key, value);
 } catch (ClassNotFoundExceptione) {
e.printStackTrace();
 } catch (NoSuchMethodExceptione) {
e.printStackTrace();
 } catch (IllegalAccessExceptione) {
e.printStackTrace();
 } catch (InvocationTargetExceptione) {
e.printStackTrace();
 }
 }

/**
 *
 * @param key 关键字
 * @param def 根据默认字 获取
 * @return
 */
publicstaticObjectgetProperty(Stringkey, Objectdef) {
try {
Class<?> clazz = Class.forName("android.os.SystemProperties");
if (definstanceofString) {
Stringvalue = (String) def;
Methodmethod = clazz.getMethod("get", String.class, String.class);
returnmethod.invoke(clazz, key, value);
 }
elseif (definstanceofBoolean) {
Booleanvalue = (Boolean) def;
Methodmethod = clazz.getMethod("getBoolean", String.class, boolean.class);
returnmethod.invoke(clazz, key, value);
 }
elseif (definstanceofInteger) {
Integervalue = (Integer) def;
Methodmethod = clazz.getMethod("getInt", String.class, int.class);
returnmethod.invoke(clazz, key, value);
 }
elseif (definstanceofLong) {
Longvalue = (Long) def;
Methodmethod = clazz.getMethod("getLong", String.class, long.class);
returnmethod.invoke(clazz, key, value);
 }
 } catch (ClassNotFoundExceptione) {
e.printStackTrace();
 } catch (NoSuchMethodExceptione) {
e.printStackTrace();
 } catch (IllegalAccessExceptione) {
e.printStackTrace();
 } catch (InvocationTargetExceptione) {
e.printStackTrace();
 }

if (definstanceofString) {
return"";
 }
elseif (definstanceofBoolean) {
returnfalse;
 }
elseif (definstanceofLong) {
return -1L;
 }
elseif (definstanceofInteger) {
return -1;
 }
returnnewObject();
 }
}