启用 android_strictmode

if (Constant.DEBUG) {
	
   StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
             .detectDiskReads()
             .detectDiskWrites()
             .detectNetwork()   // or .detectAll() for all detectable problems
             .penaltyLog()
             .build());

            // 针对VM的相关策略
    StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()
              .detectLeakedSqlLiteObjects()
              .detectLeakedClosableObjects()
              .penaltyLog()
              .penaltyDeath()
              .build());
        }