程序包 ohos.telephony

类 CellularDataStateObserver

java.lang.Object

ohos.telephony.CellularDataStateObserver

public class CellularDataStateObserver
extends Object

Observes state updates of cellular data services.

This class can observe updates of the uplink and downlink data flow states and the data link connection state.

从以下版本开始:

1

字段概要

字段

限定符和类型	字段	说明
static int	OBSERVE_MASK_DATA_CONNECTION_STATE	Indicates an observer mask for updates to the cellular data connection state.
static int	OBSERVE_MASK_DATA_FLOW	Indicates an observer mask for updates to the direction of cellular data traffic.

构造器概要

构造器

构造器	说明
CellularDataStateObserver(int slotId)	Creates a CellularDataStateObserver instance.
CellularDataStateObserver(int slotId, EventRunner runner)	CellularDataStateObserver Constructor.

方法概要

限定符和类型	方法	说明
void	onCellularDataConnectStateUpdated(int state, int networkType)	Called when the cellular data link connection state updates.
void	onCellularDataFlow(int direction)	Called when the uplink and downlink data flow state of cellular data services updates.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

OBSERVE_MASK_DATA_CONNECTION_STATE

public static final int OBSERVE_MASK_DATA_CONNECTION_STATE

Indicates an observer mask for updates to the cellular data connection state.

从以下版本开始:

4

另请参阅:

onCellularDataConnectStateUpdated(int, int), 常量字段值

OBSERVE_MASK_DATA_FLOW

public static final int OBSERVE_MASK_DATA_FLOW

Indicates an observer mask for updates to the direction of cellular data traffic.

从以下版本开始:

4

另请参阅:

onCellularDataFlow(int), 常量字段值

构造器详细资料

CellularDataStateObserver

public CellularDataStateObserver(int slotId)

Creates a CellularDataStateObserver instance. Callback will be invoked in the current thread. Callback will invoked in the current thread

参数:

slotId - Indicates the ID of the target card slot. The value 0 indicates card 1, and the value 1 indicates card 2.

从以下版本开始:

1

CellularDataStateObserver

public CellularDataStateObserver(int slotId,
                                 EventRunner runner)

CellularDataStateObserver Constructor. Callback will invoked in the current thread

参数:

slotId - Indicates the ID of the target card slot. The value 0 indicates card 1, and the value 1 indicates card 2.

runner - param to init an event handler.

抛出:

IllegalArgumentException - thrown when invalid runner is used as parameter.

从以下版本开始:

1

方法详细资料

onCellularDataFlow

public void onCellularDataFlow(int direction)

Called when the uplink and downlink data flow state of cellular data services updates.

参数:

direction - Indicates the cellular data flow state.

• CellularDataInfoManager#DATA_FLOW_TYPE_NONE
• CellularDataInfoManager#DATA_FLOW_TYPE_DOWN
• CellularDataInfoManager#DATA_FLOW_TYPE_UP
• CellularDataInfoManager#DATA_FLOW_TYPE_UPDOWN

从以下版本开始:

1

onCellularDataConnectStateUpdated

public void onCellularDataConnectStateUpdated(int state,
                                              int networkType)

Called when the cellular data link connection state updates.

参数:

state - Indicates the cellular data link connection state.

• CellularDataInfoManager#DATA_STATE_DISCONNECTED
• CellularDataInfoManager#DATA_STATE_CONNECTING
• CellularDataInfoManager#DATA_STATE_CONNECTED
• CellularDataInfoManager#DATA_STATE_SUSPENDED

networkType - Indicates the radio access technology for cellular data services.

• TelephonyConstants#RADIO_TECHNOLOGY_GSM
• TelephonyConstants#RADIO_TECHNOLOGY_1XRTT
• TelephonyConstants#RADIO_TECHNOLOGY_WCDMA
• TelephonyConstants#RADIO_TECHNOLOGY_HSPA
• TelephonyConstants#RADIO_TECHNOLOGY_HSPAP
• TelephonyConstants#RADIO_TECHNOLOGY_TD_SCDMA
• TelephonyConstants#RADIO_TECHNOLOGY_EVDO
• TelephonyConstants#RADIO_TECHNOLOGY_EHRPD
• TelephonyConstants#RADIO_TECHNOLOGY_LTE
• TelephonyConstants#RADIO_TECHNOLOGY_LTE_CA
• TelephonyConstants#RADIO_TECHNOLOGY_IWLAN
• TelephonyConstants#RADIO_TECHNOLOGY_NR

从以下版本开始:

1