How to Set the Preferred Network Type for Cellular Networks Using API

The system provides the AIDL interface to set the preferred network type, When connect the service, the package name is com.wizarpos.wizarviewagentassistant, and the class name is com.wizarpos.wizarviewagentassistant.SystemExtApiService. When the application uses the interface, it must import wizarviewagentassistant and add permissions to the Android manifest file.

 Please note that:
 
 * Insert SIM card first

Permission

The application declares the following permissions in the manifest：

 com.wizarpos.permission.MODIFY_PHONE_STATE

API Overview

setPreferredNetworkType

boolean setPreferredNetworkType(int subId, int networkType);

Set the preferred network type. Used for device configuration by some CDMA operators.

Parameters
subId	int: The ID of the subscription to set the preferred network type for.
networkType	int: The preferred network type, defined in RILConstants.java.

Returns
boolean	true is success, false is failure.

getPreferredNetworkType

int getPreferredNetworkType(int subId);

Get the preferred network type. Used for device configuration by some CDMA operators.

Parameters
subId	int: The ID of the subscription to set the preferred network type for.

Returns
int	The preferred network type, defined in RILConstants.java.

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Demo

Please download the demo