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NTP 网络时间
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| /** | |
| * Created by chensuilun on 2017/7/4. | |
| */ | |
| public class NTUSUtils { | |
| private static final String TAG = "NTUSUtils"; | |
| private static final String NTP_TRUSTED_TIME = "android.util.NtpTrustedTime"; | |
| private static final String GET_INSTANCE = "getInstance";//private NtpTrustedTime getInstance(Context context) | |
| private static final String FORCE_REFRESH = "forceRefresh"; //public boolean forceRefresh() | |
| private static final String GET_CACHED_NTP_TIME = "getCachedNtpTime";//public long getCachedNtpTime() | |
| private static Context sContext = AppApplication.getContext(); | |
| private static Method sGetNtpTimeMethod; | |
| private static Method sForceRefreshMethod; | |
| private static Class sNTPTrustedTimeClz; | |
| private static Object sNtpTrustedTimeInstance; | |
| static { | |
| try { | |
| sNTPTrustedTimeClz = Class.forName(NTP_TRUSTED_TIME); | |
| Method instanceMethod = sNTPTrustedTimeClz.getDeclaredMethod(GET_INSTANCE, Context.class); | |
| instanceMethod.setAccessible(true); | |
| sNtpTrustedTimeInstance = instanceMethod.invoke(null, sContext); | |
| sGetNtpTimeMethod = sNTPTrustedTimeClz.getDeclaredMethod(GET_CACHED_NTP_TIME); | |
| sForceRefreshMethod = sNTPTrustedTimeClz.getDeclaredMethod(FORCE_REFRESH); | |
| } catch (ClassNotFoundException e) { | |
| e.printStackTrace(); | |
| } catch (NoSuchMethodException e) { | |
| e.printStackTrace(); | |
| } catch (InvocationTargetException e) { | |
| e.printStackTrace(); | |
| } catch (IllegalAccessException e) { | |
| e.printStackTrace(); | |
| } | |
| } | |
| @WorkerThread | |
| public static boolean forceFresh() { | |
| if (BuildConfig.DEBUG) { | |
| Log.d(TAG, "forceFresh() called with: " + ""); | |
| } | |
| if (sForceRefreshMethod != null) { | |
| try { | |
| return (boolean) sForceRefreshMethod.invoke(sNtpTrustedTimeInstance); | |
| } catch (IllegalAccessException e) { | |
| e.printStackTrace(); | |
| } catch (InvocationTargetException e) { | |
| e.printStackTrace(); | |
| } | |
| } | |
| return false; | |
| } | |
| public static long getCachedNtpTime() { | |
| if (BuildConfig.DEBUG) { | |
| Log.d(TAG, "getCachedNtpTime() called with: " + ""); | |
| } | |
| if (sGetNtpTimeMethod != null) { | |
| try { | |
| return (long) sGetNtpTimeMethod.invoke(sNtpTrustedTimeInstance); | |
| } catch (IllegalAccessException e) { | |
| e.printStackTrace(); | |
| } catch (InvocationTargetException e) { | |
| e.printStackTrace(); | |
| } | |
| } | |
| return -1; | |
| } | |
| } |
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是调用forceFresh这个方法么 我调用了 没作用