Does the SDK auto-refresh domain name resolution results after a network transition?

Question 1: Does the SDK auto-refresh domain name resolution results after a network transition?

• To enable the software development kit (SDK) to automatically re-resolve domain names after a real-time network transition, such as from 4G to Wi-Fi, use the following method:

  Android:

  /**
    * Specifies whether to auto-refresh the resolution results for all domain names after a network transition.
    * If you enable this feature, the SDK automatically refreshes the resolution results for all domain names when the network changes.
    * This consumes a small amount of traffic.
    * @param enable
    */
  InitConfig.Builder setPreResolveAfterNetworkChanged(boolean enable)

  Note

  This method was added in version 2.4.0.

  iOS:

  /**
    * Specifies whether to auto-refresh the resolution results for all domain names after a network transition.
    * If you enable this feature, the SDK automatically refreshes the resolution results for all domain names when the network changes.
    * This consumes a small amount of traffic.
    * @param enable
    */
  - (void)setPreResolveAfterNetworkChanged:(BOOL)enable;

  Harmony:

  /**
   * HTTPDNS configuration
   */
  export interface HttpDnsConfig {
    // Other code is omitted.
  
    /**
     * Specifies whether to automatically resolve domain names after a network environment transition.
     */
    reResolveCachedHostsAfterNetworkChanged?: boolean;
  
    // Other code is omitted.
  }

Question 2: What is the granularity of a network transition that triggers the auto-refresh feature? For example, does it trigger when switching between 4G and 3G, from 4G to airplane mode, or between two 4G SIM cards?

• A network transition is a switch between the following states: Wi-Fi, cellular, and no network. Switching between 3G, 4G, and 5G is not considered a network transition. The SDK does not handle SIM card switches separately.