程序包 ohos.sysappcomponents.settings

类 SystemSettings

java.lang.Object

ohos.sysappcomponents.settings.SystemSettings

public class SystemSettings
extends Object

Contains a variety of system settings and provides functions for reading and writing these system settings.

从以下版本开始:

3

嵌套类概要

嵌套类

限定符和类型	类	说明
static class	SystemSettings.Date	Provides methods for setting time and date formats.
static class	SystemSettings.Display	Provides methods for setting the display effect, including the font size, screen brightness, screen rotation, animation factor, and display color.
static class	SystemSettings.General	Provides methods for setting general information about devices, including the device name, startup wizard, airplane mode, debugging information, accessibility feature switch, and touch exploration status.
static class	SystemSettings.Input	Provides methods for setting information about input methods, including automatic capitalization, automatic punctuation, autocorrect, password presentation, input method engine, and input method subtypes.
static class	SystemSettings.Network	Provides methods for setting network information, including the data roaming status, HTTP proxy configurations, and preferred networks.
static class	SystemSettings.Phone	Provides methods for setting the answering mode of incoming and outgoing calls.
static class	SystemSettings.Sound	Provides methods for setting the sound effect, including the ringtone, dial tone, alarm sound, notification tone, and haptic feedback.
static class	SystemSettings.TTS	Provides methods for setting information about text-to-speech (TTS) conversion, including the pitch, speech rate, engine, and plug-ins.
static class	SystemSettings.Wireless	Provides methods for setting radio network information, including information about Bluetooth, Wi-Fi, Near Field Communication (NFC), and the airplane mode.

方法概要

限定符和类型	方法	说明
static Uri	getUri(String name)	Constructs a URI for a specific name-value pair for monitoring data of the ability that uses the Data template.
static String	getValue(DataAbilityHelper dataAbilityHelper, String name)	Obtains the value of a specified character string in the database.
static boolean	setValue(DataAbilityHelper dataAbilityHelper, String name, String value)	Saves a character string name and its value to the database.

从类继承的方法 java.lang.Object

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

方法详细资料

getUri

public static Uri getUri(String name)

Constructs a URI for a specific name-value pair for monitoring data of the ability that uses the Data template.

参数:

name - Indicates the name of the setting to set.

返回:

Returns the corresponding URI; returns null if the URI does not exist.

从以下版本开始:

3

getValue

public static String getValue(DataAbilityHelper dataAbilityHelper,
                              String name)

Obtains the value of a specified character string in the database.

参数:

dataAbilityHelper - Indicates the DataAbilityHelper used to access the database.

name - Indicates the name of the character string.

返回:

Returns the value of the character string in the table if any is found; returns null otherwise.

从以下版本开始:

3

setValue

public static boolean setValue(DataAbilityHelper dataAbilityHelper,
                               String name,
                               String value)

Saves a character string name and its value to the database.

参数:

dataAbilityHelper - Indicates the DataAbilityHelper used to access the database.

name - Indicates the name of the character string.

value - Indicates the value of the character string.

返回:

Returns true if the operation is successful; returns false otherwise.

从以下版本开始:

3