source stringlengths 14 113 | code stringlengths 10 21.3k |
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application-dev\basic-services\usb\usbManager\usbHost\isochronousTransfer.md | // Register a communication interface. If the registration is successful, 0 is returned; otherwise, other error codes are returned.
let claimInterfaceResult: number = usbManager.claimInterface(devicePipe, usbInterface, true);
if (claimInterfaceResult !== 0) {
console.error(`claimInterface error = ${claimI... |
application-dev\basic-services\usb\usbManager\usbHost\isochronousTransfer.md | try {
// The communication interface is successfully registered and performs data transfer.
let transferParams: usbManager.UsbDataTransferParams = {
devPipe: devicePipe,
flags: usbManager.UsbTransferFlags.USB_TRANSFER_SHORT_NOT_OK,
endpoint: usbEndprint.address,
type: usbManager.Us... |
application-dev\basic-services\usb\usbManager\usbHost\isochronousTransfer.md | usbManager.usbCancelTransfer(transferParams);
usbManager.releaseInterface(devicePipe, usbInterface);
usbManager.closePipe(devicePipe); |
application-dev\basic-services\usb\usbSerial\usbSerial-communication.md | // Import the usbManager module.
import serial from '@ohos.usbManager.serial';
import { buffer } from '@kit.ArkTS'; |
application-dev\basic-services\usb\usbSerial\usbSerial-communication.md | // Obtain the list of USB devices connected to the host.
let portList: serial.SerialPort[] = serial.getPortList();
console.info(`usbSerial portList: ${portList}`);
if (portList === undefined || portList.length === 0) {
console.error('usbSerial portList is empty');
return;
} |
application-dev\basic-services\usb\usbSerial\usbSerial-communication.md | // Check whether the first USB device in the list has the access permission.
let portId: number = portList[0].portId;
if (!serial.hasSerialRight(portId)) {
await serial.requestSerialRight(portId).then(result => {
if(!result) {
// If the device does not have the access permission and is n... |
application-dev\basic-services\usb\usbSerial\usbSerial-communication.md | try {
serial.open(portId)
console.info(`open usbSerial success, portId: ${portId}`);
} catch (error) {
console.error(`open usbSerial error: ${error}`);
} |
application-dev\basic-services\usb\usbSerial\usbSerial-communication.md | // Read data asynchronously.
let readBuffer: Uint8Array = new Uint8Array(64);
serial.read(portId, readBuffer, 2000).then((size: number) => {
console.info(`read usbSerial success, readBuffer: ${readBuffer}`);
}).catch((error: Error) => {
console.error(`read usbSerial error: ${error}`);
})
... |
application-dev\basic-services\usb\usbSerial\usbSerial-communication.md | // Write data asynchronously.
let writeBuffer: Uint8Array = new Uint8Array(buffer.from('Hello World', 'utf-8').buffer)
serial.write(portId, writeBuffer, 2000).then((size: number) => {
console.info(`write usbSerial success, writeBuffer: ${writeBuffer}`);
}).catch((error: Error) => {
console.error... |
application-dev\basic-services\usb\usbSerial\usbSerial-communication.md | try {
serial.close(portId);
console.info(`close usbSerial success, portId: ${portId}`);
} catch (error) {
console.error(`close usbSerial error: ${error}`);
} |
application-dev\basic-services\usb\usbSerial\usbSerial-configuration.md | // Import the usbManager module.
import serial from '@ohos.usbManager.serial'; |
application-dev\basic-services\usb\usbSerial\usbSerial-configuration.md | // Obtain the list of USB devices connected to the host.
let portList: serial.SerialPort[] = serial.getPortList();
console.info(`usbSerial portList: ${portList}`);
if (portList === undefined || portList.length === 0) {
console.error('usbSerial portList is empty');
return;
} |
application-dev\basic-services\usb\usbSerial\usbSerial-configuration.md | // Check whether the first USB device in the list has the access permission.
let portId: number = portList[0].portId;
if (!serial.hasSerialRight(portId)) {
await serial.requestSerialRight(portId).then(result => {
if(!result) {
// If the device does not have the access permission and is n... |
application-dev\basic-services\usb\usbSerial\usbSerial-configuration.md | try {
serial.open(portId)
console.info(`open usbSerial success, portId: ${portId}`);
} catch (error) {
console.error(`open usbSerial error: ${error}`);
} |
application-dev\basic-services\usb\usbSerial\usbSerial-configuration.md | // Obtain the serial port configuration.
try {
let attribute: serial.SerialAttribute = serial.getAttribute(portId);
if (attribute === undefined) {
console.error('getAttribute usbSerial error, attribute is undefined');
} else {
console.info(`getAttribute usbSerial success, attribute... |
application-dev\calendarmanager\calendarmanager-calendar-developer.md | // EntryAbility.ets
import { abilityAccessCtrl, AbilityConstant, common, PermissionRequestResult, Permissions, UIAbility, Want } from '@kit.AbilityKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { calendarManager } from '@kit.CalendarKit';
import { window } from '@kit.ArkUI'; |
application-dev\calendarmanager\calendarmanager-calendar-developer.md | // EntryAbility.ets
export let calendarMgr: calendarManager.CalendarManager | null = null;
export let mContext: common.UIAbilityContext | null = null;
export default class EntryAbility extends UIAbility {
onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
console.info("A... |
application-dev\calendarmanager\calendarmanager-calendar-developer.md | // Index.ets
import { BusinessError } from '@kit.BasicServicesKit';
import { calendarMgr } from '../entryability/EntryAbility';
import { calendarManager } from '@kit.CalendarKit';
let calendar: calendarManager.Calendar | undefined = undefined;
// Specify the calendar account information.
const cal... |
application-dev\calendarmanager\calendarmanager-calendar-developer.md | // Index.ets
// Calendar configuration information.
const config: calendarManager.CalendarConfig = {
// Enable the event reminder.
enableReminder: true,
// Set the calendar color.
color: '#aabbcc'
};
// Set the calendar configuration information.
calendar.setConfig(config).then(() => ... |
application-dev\calendarmanager\calendarmanager-calendar-developer.md | // Index.ets
calendarMgr?.getCalendar(calendarAccount).then((data: calendarManager.Calendar) => {
console.info(`Succeeded in getting calendar, data -> ${JSON.stringify(data)}`);
}).catch((err: BusinessError) => {
console.error(`Failed to get calendar. Code: ${err.code}, message: ${err.message}`);
}); |
application-dev\calendarmanager\calendarmanager-calendar-developer.md | // Index.ets
calendarMgr?.getCalendar().then((data: calendarManager.Calendar) => {
console.info(`Succeeded in getting calendar, data -> ${JSON.stringify(data)}`);
}).catch((err: BusinessError) => {
console.error(`Failed to get calendar. Code: ${err.code}, message: ${err.message}`);
}); |
application-dev\calendarmanager\calendarmanager-calendar-developer.md | // Index.ets
calendarMgr?.getAllCalendars().then((data: calendarManager.Calendar[]) => {
console.info(`Succeeded in getting all calendars, data -> ${JSON.stringify(data)}`);
data.forEach((calendar) => {
const account = calendar.getAccount();
console.info(`account -> ${JSON.stringify(account)}... |
application-dev\calendarmanager\calendarmanager-calendar-developer.md | // Index.ets
calendarMgr?.deleteCalendar(calendar).then(() => {
console.info("Succeeded in deleting calendar");
}).catch((err: BusinessError) => {
console.error(`Failed to delete calendar. Code: ${err.code}, message: ${err.message}`);
}); |
application-dev\calendarmanager\calendarmanager-event-developer.md | // entry/src/main/ets/entryability/EntryAbility.ets
import { abilityAccessCtrl, AbilityConstant, common, PermissionRequestResult, Permissions, UIAbility, Want } from '@kit.AbilityKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { calendarManager } from '@kit.CalendarKit';
import { window ... |
application-dev\calendarmanager\calendarmanager-event-developer.md | // entry/src/main/ets/entryability/EntryAbility.ets
export let calendarMgr: calendarManager.CalendarManager | null = null;
export let mContext: common.UIAbilityContext | null = null;
export default class EntryAbility extends UIAbility {
onCreate(want: Want, launchParam: AbilityConstant.LaunchParam... |
application-dev\calendarmanager\calendarmanager-event-developer.md | // Index.ets
import { BusinessError } from '@kit.BasicServicesKit';
import { calendarMgr } from '../entryability/EntryAbility';
import { calendarManager } from '@kit.CalendarKit';
let calendar: calendarManager.Calendar | undefined = undefined;
// Specify the calendar account information.
const cal... |
application-dev\calendarmanager\calendarmanager-event-developer.md | // Index.ets
let eventId : number | undefined = undefined;
const date = new Date();
const event: calendarManager.Event = {
// Event title.
title: 'title',
// Event type. Third-party developers are not advised to use calendarManager.EventType.IMPORTANT. Important events do not support quick servi... |
application-dev\calendarmanager\calendarmanager-event-developer.md | // Index.ets
const updateEvent: calendarManager.Event = {
title: 'updateTitle',
description: 'updateEventTest',
type: calendarManager.EventType.NORMAL,
id: eventId,
startTime: date.getTime(),
endTime: date.getTime() + 60 * 60 * 1000
};
calendar.updateEvent(updateEvent).then(() => ... |
application-dev\calendarmanager\calendarmanager-event-developer.md | calendar.getEvents().then((data: calendarManager.Event[]) => {
console.info(`Succeeded in getting events, data -> ${JSON.stringify(data)}`);
}).catch((err: BusinessError) => {
console.error(`Failed to get events. Code: ${err.code}, message: ${err.message}`);
}); |
application-dev\calendarmanager\calendarmanager-event-developer.md | // Query by the event ID.
const filterId = calendarManager.EventFilter.filterById([eventId]);
calendar.getEvents(filterId).then((data: calendarManager.Event[]) => {
console.info(`Succeeded in getting events, data -> ${JSON.stringify(data)}`);
}).catch((err: BusinessError) => {
console.error(`Failed t... |
application-dev\calendarmanager\calendarmanager-event-developer.md | // Index.ets
calendar.deleteEvent(eventId).then(() => {
console.info("Succeeded in deleting event");
}).catch((err: BusinessError) => {
console.error(`Failed to delete event. Code: ${err.code}, message: ${err.message}`);
}); |
application-dev\connectivity\bluetooth\ble-development-guide.md | import { ble } from '@kit.ConnectivityKit';
import { AsyncCallback, BusinessError } from '@kit.BasicServicesKit';
const TAG: string = 'BleAdvertisingManager';
export class BleAdvertisingManager {
private advHandle: number = 0xFF; // default invalid value
// 1. Subscribe to BLE advertising sta... |
application-dev\connectivity\bluetooth\ble-development-guide.md | import { ble } from '@kit.ConnectivityKit';
import { AsyncCallback, BusinessError } from '@kit.BasicServicesKit';
const TAG: string = 'BleScanManager';
const BLE_ADV_TYPE_FLAG = 0x01;
const BLE_ADV_TYPE_16_BIT_SERVICE_UUIDS_INCOMPLETE = 0x02;
const BLE_ADV_TYPE_16_BIT_SERVICE_UUIDS_COMPLETE = 0x03;... |
application-dev\connectivity\bluetooth\br-development-guide.md | import { access } from '@kit.ConnectivityKit';
import { AsyncCallback, BusinessError } from '@kit.BasicServicesKit';
// Enable Bluetooth.
access.enableBluetooth();
access.on('stateChange', (data) => {
let btStateMessage = '';
switch (data) {
case 0:
btStateMessage += 'STAT... |
application-dev\connectivity\bluetooth\br-discovery-development-guide.md | import { connection } from '@kit.ConnectivityKit';
import { BusinessError } from '@kit.BasicServicesKit'; |
application-dev\connectivity\bluetooth\br-discovery-development-guide.md | // Define the callback for scan result reporting events.
function onReceiveEvent(data: Array<connection.DiscoveryResult>) {
console.info('bluetooth device: '+ JSON.stringify(data));
}
try {
// Subscribe to scan result reporting events.
connection.on('discoveryResult', onReceiveEvent);
} catch (err) {
console.e... |
application-dev\connectivity\bluetooth\br-discovery-development-guide.md | // Define the callback for scan result reporting events.
function onReceiveEvent(data: Array<string>) {
console.info('bluetooth device: '+ JSON.stringify(data));
}
try {
// Subscribe to scan result reporting events.
connection.on('bluetoothDeviceFind', onReceiveEvent);
} catch (err) {
console.error('errCode: '... |
application-dev\connectivity\bluetooth\br-discovery-development-guide.md | try {
// Check whether scanning is in progress on the local device.
let scan = connection.isBluetoothDiscovering();
if (!scan) {
// Start scanning for devices if a scan is not in progress.
connection.startBluetoothDiscovery();
}
} catch (err) {
console.error('errCode: ' + (err as BusinessError).code +... |
application-dev\connectivity\bluetooth\br-discovery-development-guide.md | // Define the callback for scan result reporting events.
function onReceiveEvent(data: Array<string>) {
console.info('bluetooth device: '+ JSON.stringify(data));
}
try {
// Check whether scanning is in progress on the local device.
let scan = connection.isBluetoothDiscovering();
if (scan) {
// Stop scannin... |
application-dev\connectivity\bluetooth\br-discovery-development-guide.md | try {
// Obtain the current scan mode of the local device.
let scanMode: connection.ScanMode = connection.getBluetoothScanMode();
console.info('scanMode: ' + scanMode);
if (scanMode != connection.ScanMode.SCAN_MODE_CONNECTABLE_GENERAL_DISCOVERABLE) {
// Set the scan mode of the local device to SCAN_MODE_CON... |
application-dev\connectivity\bluetooth\br-discovery-development-guide.md | try {
// Obtain information about the paired devices.
let devices = connection.getPairedDevices();
console.info('pairedDevices: ' + JSON.stringify(devices));
// If the device address is known, check whether the device has been paired.
if (devices.length > 0) {
let pairState = connection.getPairState(devic... |
application-dev\connectivity\bluetooth\br-discovery-development-guide.md | import { connection } from '@kit.ConnectivityKit';
import { BusinessError } from '@kit.BasicServicesKit';
export class DiscoveryDeviceManager {
// Define the callback for scan result reporting events.
onReceiveEvent(data: Array<string>) {
console.info('bluetooth device: '+ JSON.stringify(data));
}
public ... |
application-dev\connectivity\bluetooth\br-pair-device-development-guide.md | import { connection, a2dp, hfp, hid, baseProfile, constant } from '@kit.ConnectivityKit';
import { BusinessError } from '@kit.BasicServicesKit'; |
application-dev\connectivity\bluetooth\br-pair-device-development-guide.md | // Define the callback for pairing status changes.
function onReceiveEvent(data: connection.BondStateParam) {
console.info('pair result: '+ JSON.stringify(data));
}
try {
// Subscribe to pairing status changes.
connection.on('bondStateChange', onReceiveEvent);
} catch (err) {
console.error('errCode: ' + (err... |
application-dev\connectivity\bluetooth\br-pair-device-development-guide.md | // Obtain the device address through the device discovery process.
let device = 'XX:XX:XX:XX:XX:XX';
try {
// Initiate pairing.
connection.pairDevice(device).then(() => {
console.info('pairDevice');
}, (error: BusinessError) => {
console.error('pairDevice: errCode:' + error.code + ',errMessage' + error.m... |
application-dev\connectivity\bluetooth\br-pair-device-development-guide.md | // Device address of the paired device
let device = 'XX:XX:XX:XX:XX:XX';
// Create an A2DP, HFP, or HID instance.
let a2dpSrc = a2dp.createA2dpSrcProfile();
let hfpAg = hfp.createHfpAgProfile();
let hidHost = hid.createHidHostProfile();
//Define the callback function for A2DP connection status changes.
function onA2d... |
application-dev\connectivity\bluetooth\br-pair-device-development-guide.md | import { connection, a2dp, hfp, hid, baseProfile, constant } from '@kit.ConnectivityKit';
import { BusinessError } from '@kit.BasicServicesKit';
export class PairDeviceManager {
device: string | null = null;
pairState: connection.BondState = connection.BondState.BOND_STATE_INVALID;
a2dpSrc = a2dp.createA2dpSrcPr... |
application-dev\connectivity\bluetooth\gatt-development-guide.md | import { ble } from '@kit.ConnectivityKit';
import { constant } from '@kit.ConnectivityKit';
import { AsyncCallback, BusinessError } from '@kit.BasicServicesKit';
const TAG: string = 'GattClientManager';
export class GattClientManager {
device: string | undefined = undefined;
gattClient: b... |
application-dev\connectivity\bluetooth\gatt-development-guide.md | import { ble } from '@kit.ConnectivityKit';
import { constant } from '@kit.ConnectivityKit';
import { AsyncCallback, BusinessError } from '@kit.BasicServicesKit';
const TAG: string = 'GattServerManager';
export class GattServerManager {
gattServer: ble.GattServer | undefined = undefined;
c... |
application-dev\connectivity\bluetooth\spp-development-guide.md | import { socket } from '@kit.ConnectivityKit';
import { AsyncCallback, BusinessError } from '@kit.BasicServicesKit';
// Create a server listening socket. serverId is returned if the socket is created.
let serverNumber = -1;
let sppOption: socket.SppOptions = {
uuid: '00001101-0000-1000-8000-00805... |
application-dev\connectivity\bluetooth\spp-development-guide.md | import { socket } from '@kit.ConnectivityKit';
import { AsyncCallback, BusinessError } from '@kit.BasicServicesKit';
// Start Bluetooth scanning to obtain the MAC address of the peer device.
let deviceId = 'xx:xx:xx:xx:xx:xx';
// Connect to the peer device.
socket.sppConnect(deviceId, {
uuid... |
application-dev\connectivity\nfc\nfc-hce-guide.md | "abilities": [
{
"name": "EntryAbility",
"srcEntry": "./ets/entryability/EntryAbility.ts",
"description": "$string:EntryAbility_desc",
"icon": "$media:icon",
"label": "$string:EntryAbility_label",
"startWindowIcon": "$media:icon",
"startWindowBackground": "$... |
application-dev\connectivity\nfc\nfc-hce-guide.md | import { cardEmulation } from '@kit.ConnectivityKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import { AsyncCallback } from '@kit.BasicServicesKit';
import { AbilityConstant, UIAbility, Want, bundleManager } from '@kit.AbilityKit';
let hceElementName:... |
application-dev\connectivity\nfc\nfc-hce-guide.md | "abilities": [
{
"name": "EntryAbility",
"srcEntry": "./ets/entryability/EntryAbility.ts",
"description": "$string:EntryAbility_desc",
"icon": "$media:icon",
"label": "$string:EntryAbility_label",
"startWindowIcon": "$media:icon",
"startWindowBackground": "$... |
application-dev\connectivity\nfc\nfc-hce-guide.md | import { cardEmulation } from '@kit.ConnectivityKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import { AsyncCallback } from '@kit.BasicServicesKit';
import { AbilityConstant, UIAbility, Want, bundleManager } from '@kit.AbilityKit';
let hceElementName ... |
application-dev\connectivity\nfc\nfc-se-access-guide.md | import { omapi } from '@kit.ConnectivityKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import { AbilityConstant, UIAbility, Want } from '@kit.AbilityKit';
let seService : omapi.SEService;
let seReaders : omapi.Reader[];
let seSession : omapi.Session;
l... |
application-dev\connectivity\nfc\nfc-tag-access-guide.md | "abilities": [
{
"name": "EntryAbility",
"srcEntry": "./ets/entryability/EntryAbility.ts",
"description": "$string:EntryAbility_desc",
"icon": "$media:icon",
"label": "$string:EntryAbility_label",
"startWindowIcon": "$media:icon",
"startWindowBackground": "$... |
application-dev\connectivity\nfc\nfc-tag-access-guide.md | import { tag } from '@kit.ConnectivityKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import { AbilityConstant, UIAbility, Want, bundleManager } from '@kit.AbilityKit';
let nfcTagElementName: bundleManager.ElementName;
let foregroundRegister: boolean;
... |
application-dev\connectivity\nfc\nfc-tag-access-guide.md | "abilities": [
{
"name": "EntryAbility",
"srcEntry": "./ets/entryability/EntryAbility.ts",
"description": "$string:EntryAbility_desc",
"icon": "$media:icon",
"label": "$string:EntryAbility_label",
"startWindowIcon": "$media:icon",
"startWindowBackground": "$... |
application-dev\connectivity\nfc\nfc-tag-access-guide.md | import { tag } from '@kit.ConnectivityKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import { AbilityConstant, UIAbility, Want } from '@kit.AbilityKit';
export default class EntryAbility extends UIAbility {
onCreate(want: Want, launchParam: AbilityCo... |
application-dev\connectivity\wlan\p2p-development-guide.md | import { wifiManager } from '@kit.ConnectivityKit';
// Create a P2P group. To use the current device as the group owner (GO), set:
// netId: The value -1 means to create a temporary P2P group. When a device in the group is to be connected next time, GO negotiation and WPS key negotiation must be performed again.
// Th... |
application-dev\connectivity\wlan\p2p-development-guide.md | import { wifiManager } from '@kit.ConnectivityKit';
let recvP2pConnectionChangeFunc = (result:wifiManager.WifiP2pLinkedInfo) => {
console.info("p2p connection change receive event: " + JSON.stringify(result));
wifiManager.getP2pLinkedInfo((err, data) => {
if (err) {
console.error("failed to get P2pLinkedInfo:... |
application-dev\connectivity\wlan\scan-development-guide.md | import { wifiManager } from '@kit.ConnectivityKit';
try {
let recvWifiScanStateChangeFunc = (result:number) => {
console.info("Receive Wifi scan state change event: " + result);
}
// Obtain the scan status. The value 1 indicates that the scan is successful, and the value 0 indicates the opposite... |
application-dev\connectivity\wlan\sta-development-guide.md | import { wifiManager } from '@kit.ConnectivityKit';
try {
let recvPowerNotifyFunc = (result:number) => {
let wifiState = "";
switch (result) {
case 0:
wifiState += 'DISABLING';
break;
case 1:
wifiState += 'DISABLED';
break;
case 2:
wifiState += 'ENABLING';
... |
application-dev\connectivity\wlan\sta-development-guide.md | import { wifiManager } from '@kit.ConnectivityKit';
try {
let recvWifiConnectionChangeFunc = (result:number) => {
console.info("Receive wifi connection change event: " + result);
}
let config:wifiManager.WifiDeviceConfig = {
ssid : "****",
bssid : "****",
preSharedKey : "****",... |
application-dev\contacts\contacts-intro.md | import { contact } from '@kit.ContactsKit';
import { BusinessError } from '@kit.BasicServicesKit'; |
application-dev\contacts\contacts-intro.md | contact.selectContacts({
isMultiSelect:false
},(err: BusinessError, data) => {
if (err) {
console.error(`selectContact callback: err->${JSON.stringify(err)}`);
return;
}
console.log(`selectContact callback: success data->${JSON.stringify(data)}`);
}); |
application-dev\contacts\contacts-intro.md | import { common, abilityAccessCtrl, Permissions } from '@kit.AbilityKit';
import { contact } from '@kit.ContactsKit';
let context = getContext(this) as common.UIAbilityContext;
const permissions: Array<Permissions> = ['ohos.permission.WRITE_CONTACTS'];
abilityAccessCtrl.createAtManager().requestPermissionsFro... |
application-dev\contacts\contacts-intro.md | // Sample code
import { common, abilityAccessCtrl, Permissions } from '@kit.AbilityKit';
import { contact } from '@kit.ContactsKit';
@Entry
@Component
struct Contact {
addContactByPermissions() {
let context = getContext(this) as common.UIAbilityContext;
const permissions: Array<Permissions> ... |
application-dev\database\access-control-by-device-and-data-level.md | import { AbilityConstant, ConfigurationConstant, UIAbility, Want } from '@kit.AbilityKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import { distributedKVStore } from '@kit.ArkData';
import { BusinessError } from '@kit.BasicServicesKit';
export default class EntryAbility extends UIAbility {
onCreate(want... |
application-dev\database\access-control-by-device-and-data-level.md | import { UIAbility } from '@kit.AbilityKit';
import { relationalStore } from '@kit.ArkData';
import { BusinessError } from '@kit.BasicServicesKit';
export default class EntryAbility extends UIAbility {
async onCreate(): Promise<void> {
let store: relationalStore.RdbStore | undefined = undefined;
let context ... |
application-dev\database\aip-data-intelligence-embedding.md | import { intelligence } from '@kit.ArkData'; |
application-dev\database\aip-data-intelligence-embedding.md | import { BusinessError } from '@kit.BasicServicesKit';
let textConfig:intelligence.ModelConfig = {
version:intelligence.ModelVersion.BASIC_MODEL,
isNpuAvailable:false,
cachePath:"/data"
}
let textEmbedding:intelligence.TextEmbedding;
intelligence.getTextEmbeddingModel(textConfig)
.then... |
application-dev\database\aip-data-intelligence-embedding.md | textEmbedding.loadModel()
.then(() => {
console.info("Succeeded in loading Model");
})
.catch((err:BusinessError) => {
console.error("Failed to load Model and code is " + err.code);
}) |
application-dev\database\aip-data-intelligence-embedding.md | let splitConfig:intelligence.SplitConfig = {
size:10,
overlapRatio:0.1
}
let splitText = 'text';
intelligence.splitText(splitText, splitConfig)
.then((data:Array<string>) => {
console.info("Succeeded in splitting Text");
})
.catch((err:BusinessError) => {
console.error("... |
application-dev\database\aip-data-intelligence-embedding.md | let text = 'text';
textEmbedding.getEmbedding(text)
.then((data:Array<number>) => {
console.info("Succeeded in getting Embedding");
})
.catch((err:BusinessError) => {
console.error("Failed to get Embedding and code is " + err.code);
}) |
application-dev\database\aip-data-intelligence-embedding.md | let batchTexts = ['text1','text2'];
textEmbedding.getEmbedding(batchTexts)
.then((data:Array<Array<number>>) => {
console.info("Succeeded in getting Embedding");
})
.catch((err:BusinessError) => {
console.error("Failed to get Embedding and code is " + err.code);
}) |
application-dev\database\aip-data-intelligence-embedding.md | textEmbedding.releaseModel()
.then(() => {
console.info("Succeeded in releasing Model");
})
.catch((err:BusinessError) => {
console.error("Failed to release Model and code is " + err.code);
}) |
application-dev\database\aip-data-intelligence-embedding.md | let imageConfig:intelligence.ModelConfig = {
version:intelligence.ModelVersion.BASIC_MODEL,
isNpuAvailable:false,
cachePath:"/data"
}
let imageEmbedding:intelligence.ImageEmbedding;
intelligence.getImageEmbeddingModel(imageConfig)
.then((data:intelligence.ImageEmbedding) => {
consol... |
application-dev\database\aip-data-intelligence-embedding.md | imageEmbedding.loadModel()
.then(() => {
console.info("Succeeded in loading Model");
})
.catch((err:BusinessError) => {
console.error("Failed to load Model and code is " + err.code);
}) |
application-dev\database\aip-data-intelligence-embedding.md | let image = "file://<packageName>/data/storage/el2/base/haps/entry/files/xxx.jpg";
imageEmbedding.getEmbedding(image)
.then((data:Array<number>) => {
console.info("Succeeded in getting Embedding");
})
.catch((err:BusinessError) => {
console.error("Failed to get Embedding and code i... |
application-dev\database\aip-data-intelligence-embedding.md | imageEmbedding.releaseModel()
.then(() => {
console.info("Succeeded in releasing Model");
})
.catch((err:BusinessError) => {
console.error("Failed to release Model and code is " + err.code);
}) |
application-dev\database\data-backup-and-restore.md | import { AbilityConstant, ConfigurationConstant, UIAbility, Want } from '@kit.AbilityKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import { distributedKVStore } from '@kit.ArkData';
import { BusinessError } from '@kit.BasicServicesKit';
export default class EntryAbility extends UIAbility {
... |
application-dev\database\data-backup-and-restore.md | const KEY_TEST_STRING_ELEMENT = 'key_test_string';
const VALUE_TEST_STRING_ELEMENT = 'value_test_string';
try {
kvStore.put(KEY_TEST_STRING_ELEMENT, VALUE_TEST_STRING_ELEMENT, (err) => {
if (err !== undefined) {
console.error(`Fail to put data. Code:${err.code},message:${err.message}`);
... |
application-dev\database\data-backup-and-restore.md | let backupFile = 'BK001';
try {
kvStore.backup(backupFile, (err) => {
if (err) {
console.error(`Fail to backup data.code:${err.code},message:${err.message}`);
} else {
console.info('Succeeded in backupping data.');
}
});
} catch (e) {
let error = e as Business... |
application-dev\database\data-backup-and-restore.md | try {
kvStore.delete(KEY_TEST_STRING_ELEMENT, (err) => {
if (err !== undefined) {
console.error(`Fail to delete data. Code:${err.code},message:${err.message}`);
return;
}
console.info('Succeeded in deleting data.');
});
} catch (e) {
let error = e as BusinessErro... |
application-dev\database\data-backup-and-restore.md | try {
kvStore.restore(backupFile, (err) => {
if (err) {
console.error(`Fail to restore data. Code:${err.code},message:${err.message}`);
} else {
console.info('Succeeded in restoring data.');
}
});
} catch (e) {
let error = e as BusinessError;
console.error(`... |
application-dev\database\data-backup-and-restore.md | let files = [backupFile];
try {
kvStore.deleteBackup(files).then((data) => {
console.info(`Succeed in deleting Backup. Data:filename is ${data[0]},result is ${data[1]}.`);
}).catch((err: BusinessError) => {
console.error(`Fail to delete Backup. Code:${err.code},message:${err.message}`);
... |
application-dev\database\data-backup-and-restore.md | import { UIAbility } from '@kit.AbilityKit';
import { relationalStore } from '@kit.ArkData';
import { BusinessError } from '@kit.BasicServicesKit';
export default class EntryAbility extends UIAbility {
async onCreate(): Promise<void> {
let store: relationalStore.RdbStore | undefined = undefined;
let context ... |
application-dev\database\data-backup-and-restore.md | import { UIAbility } from '@kit.AbilityKit';
import { relationalStore } from '@kit.ArkData';
import { BusinessError } from '@kit.BasicServicesKit';
export default class EntryAbility extends UIAbility {
async onCreate(): Promise<void> {
let store: relationalStore.RdbStore | undefined = undefined;
let context ... |
application-dev\database\data-backup-and-restore.md | import { UIAbility } from '@kit.AbilityKit';
import { relationalStore } from '@kit.ArkData';
import { BusinessError } from '@kit.BasicServicesKit';
export default class EntryAbility extends UIAbility {
async onCreate(): Promise<void> {
let store: relationalStore.RdbStore | undefined = undefined;
let context ... |
application-dev\database\data-backup-and-restore.md | let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
if (store != undefined) {
(store as relationalStore.RdbStore).query(predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"]).then((result: relationalStore.ResultSet) => {
let resultSet = result;
try {
/* ...
Logic fo... |
application-dev\database\data-backup-and-restore.md | // Obtain all opened result sets.
let resultSets: Array<relationalStore.ResultSet> = [];
// Call resultSet.close() to close all opened result sets.
for (let resultSet of resultSets) {
try {
resultSet.close();
} catch (e) {
if (e.code !== 14800014) {
console.error(`Code:${e.... |
application-dev\database\data-backup-and-restore.md | import { UIAbility } from '@kit.AbilityKit';
import { relationalStore } from '@kit.ArkData';
import { BusinessError } from '@kit.BasicServicesKit';
import { fileIo } from '@kit.CoreFileKit';
export default class EntryAbility extends UIAbility {
async onCreate(): Promise<void> {
let store: relat... |
application-dev\database\data-backup-and-restore.md | if (store !== undefined) {
try {
// Add, delete, modify, and query data.
} catch (err) {
if (err.code == 14800011) {
// Obtain all opened result sets.
let resultSets: Array<relationalStore.ResultSet> = [];
// Call resultSet.close() to close all opened result se... |
application-dev\database\data-encryption.md | import { AbilityConstant, ConfigurationConstant, UIAbility, Want } from '@kit.AbilityKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import { distributedKVStore } from '@kit.ArkData';
import { BusinessError } from '@kit.BasicServicesKit';
export default class EntryAbility extends UIAbility {
onCreate(want... |
application-dev\database\data-encryption.md | import { UIAbility } from '@kit.AbilityKit';
import { relationalStore } from '@kit.ArkData';
import { BusinessError } from '@kit.BasicServicesKit';
export default class EntryAbility extends UIAbility {
async onCreate(): Promise<void> {
let store: relationalStore.RdbStore | undefined = undefined;
let context ... |
application-dev\database\data-encryption.md | import { UIAbility } from '@kit.AbilityKit';
import { relationalStore } from '@kit.ArkData';
import { BusinessError } from '@kit.BasicServicesKit';
export default class EntryAbility extends UIAbility {
async onCreate(): Promise<void> {
let store: relationalStore.RdbStore | undefined = undefined;
let context ... |
application-dev\database\data-persistence-by-graph-store.md | const CREATE_GRAPH = "CREATE GRAPH test { (person:Person {name STRING, age INT}),(person)-[:Friend {year INT}]->(person) };"
const INSERT_VERTEX = "INSERT (:Person {name: 'name_1', age: 11});"
const QUERY_VERTEX = "MATCH (person:Person) RETURN person;"
const QUERY_EDGE = "MATCH ()-[relation:Friend]->() RETURN relati... |
application-dev\database\data-persistence-by-graph-store.md | import { graphStore } from '@kit.ArkData'; // Import the graphStore module.
import { UIAbility } from '@kit.AbilityKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { window } from '@kit.ArkUI';
let store: graphStore.GraphStore | null = null;
const STORE_CONFIG: graphStore.StoreConfig... |
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