此文件就是介绍OpenHarmony中的蓝牙接口和如何自己开发一个简单的蓝牙应用程序。
OpenHarmony蓝牙接口简介
| 接口名称 |
参数 |
返回值 |
作用 |
| enableBluetooth |
（） |
boolean |
开启蓝牙 |
| disableBluetooth |
（） |
boolean |
关闭蓝牙 |
| getState |
（） |
BluetoothState：enum |
获取蓝牙状态 |
| setLocalName |
(name: string) |
boolean |
设置蓝牙名称 |
| getLocalName |
（） |
string |
获取蓝牙名称 |
| setBluetoothScanMode |
(mode: ScanMode, duration: number) |
boolean |
设置蓝牙扫描模式 |
| startBluetoothDiscovery |
（） |
boolean |
发现蓝牙 |
| pairDevice |
(deviceId: string) |
boolean |
配对设备 |
| on.pinRequired |
(type: "pinRequired", callback: Callback<PinRequiredParam>) |
void |
侦听配对请求事件 |
| disableBluetooth |
（） |
boolean |
关闭蓝牙 |
enum BluetoothState {
/** Indicates the local Bluetooth is off */
STATE_OFF = 0,
/** Indicates the local Bluetooth is turning on */
STATE_TURNING_ON = 1,
/** Indicates the local Bluetooth is on, and ready for use */
STATE_ON = 2,
/** Indicates the local Bluetooth is turning off */
STATE_TURNING_OFF = 3,
/** Indicates the local Bluetooth is turning LE mode on */
STATE_BLE_TURNING_ON = 4,
/** Indicates the local Bluetooth is in LE only mode */
STATE_BLE_ON = 5,
/** Indicates the local Bluetooth is turning off LE only mode */
STATE_BLE_TURNING_OFF = 6
enum ScanMode {
/** Indicates the scan mode is none */
SCAN_MODE_NONE = 0,
/** Indicates the scan mode is connectable */
SCAN_MODE_CONNECTABLE = 1,
/** Indicates the scan mode is general discoverable */
SCAN_MODE_GENERAL_DISCOVERABLE = 2,
/** Indicates the scan mode is limited discoverable */
SCAN_MODE_LIMITED_DISCOVERABLE = 3,
/** Indicates the scan mode is connectable and general discoverable */
SCAN_MODE_CONNECTABLE_GENERAL_DISCOVERABLE = 4,
/** Indicates the scan mode is connectable and limited discoverable */
SCAN_MODE_CONNECTABLE_LIMITED_DISCOVERABLE = 5
}
OpenHarmony典蓝牙配对流程
<pre class="md-fences md-end-block md-diagram md-fences-advanced ty-contain-cm modeLoaded" spellcheck="false" lang="mermaid" cid="n72" mdtype="fences" mermaid-type="graph"><div class="md-diagram-panel md-fences-adv-panel"><div class="md-diagram-panel-header"></div><div class="md-diagram-panel-preview"><svg id="mermaidChart0" width="100%" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="61.59375" viewBox="0 0 587.921875 61.59375" class="in-text-selection"><g><g class="output"><g class="clusters"></g><g class="edgePaths"><g class="edgePath LS-开启蓝牙 LE-设置发现模式" id="L-开启蓝牙-设置发现模式"><path class="path" d="M92,30.796875L117,30.796875L142,30.796875" marker-end="url(#arrowhead17)"></path><defs><marker id="arrowhead17" viewBox="0 0 10 10" refX="9" refY="5" markerUnits="strokeWidth" markerWidth="8" markerHeight="6" orient="auto"><path d="M 0 0 L 10 5 L 0 10 z" class="arrowheadPath"></path></marker></defs></g><g class="edgePath LS-设置发现模式 LE-注册pinRequest" id="L-设置发现模式-注册pinRequest"><path class="path" d="M258,30.796875L283,30.796875L308,30.796875" marker-end="url(#arrowhead18)"></path><defs><marker id="arrowhead18" viewBox="0 0 10 10" refX="9" refY="5" markerUnits="strokeWidth" markerWidth="8" markerHeight="6" orient="auto"><path d="M 0 0 L 10 5 L 0 10 z" class="arrowheadPath"></path></marker></defs></g><g class="edgePath LS-注册pinRequest LE-配对设备" id="L-注册pinRequest-配对设备"><path class="path" d="M445.921875,30.796875L470.921875,30.796875L495.921875,30.796875" marker-end="url(#arrowhead19)"></path><defs><marker id="arrowhead19" viewBox="0 0 10 10" refX="9" refY="5" markerUnits="strokeWidth" markerWidth="8" markerHeight="6" orient="auto"><path d="M 0 0 L 10 5 L 0 10 z" class="arrowheadPath"></path></marker></defs></g></g><g class="edgeLabels"><g class="edgeLabel" transform=""><g transform="translate(0,0)" class="label"><rect rx="0" ry="0" width="0" height="0"></rect><foreignObject width="0" height="0"><div xmlns="http://www.w3.org/1999/xhtml"><span id="L-L-开启蓝牙-设置发现模式" class="edgeLabel L-LS-开启蓝牙' L-LE-设置发现模式"></span></div></foreignObject></g></g><g class="edgeLabel" transform=""><g transform="translate(0,0)" class="label"><rect rx="0" ry="0" width="0" height="0"></rect><foreignObject width="0" height="0"><div xmlns="http://www.w3.org/1999/xhtml"><span id="L-L-设置发现模式-注册pinRequest" class="edgeLabel L-LS-设置发现模式' L-LE-注册pinRequest"></span></div></foreignObject></g></g><g class="edgeLabel" transform=""><g transform="translate(0,0)" class="label"><rect rx="0" ry="0" width="0" height="0"></rect><foreignObject width="0" height="0"><div xmlns="http://www.w3.org/1999/xhtml"><span id="L-L-注册pinRequest-配对设备" class="edgeLabel L-LS-注册pinRequest' L-LE-配对设备"></span></div></foreignObject></g></g></g><g class="nodes"><g class="node default" id="flowchart-开启蓝牙-4" transform="translate(50,30.796875)"><rect rx="0" ry="0" x="-42" y="-22.796875" width="84" height="45.59375" class="label-container"></rect><g class="label" transform="translate(0,0)"><g transform="translate(-32,-12.796875)"><foreignObject width="64" height="25.59375"><div xmlns="http://www.w3.org/1999/xhtml">开启蓝牙</div></foreignObject></g></g></g><g class="node default" id="flowchart-设置发现模式-5" transform="translate(200,30.796875)"><rect rx="0" ry="0" x="-58" y="-22.796875" width="116" height="45.59375" class="label-container"></rect><g class="label" transform="translate(0,0)"><g transform="translate(-48,-12.796875)"><foreignObject width="96" height="25.59375"><div xmlns="http://www.w3.org/1999/xhtml">设置发现模式</div></foreignObject></g></g></g><g class="node default" id="flowchart-注册pinRequest-6" transform="translate(376.9609375,30.796875)"><rect rx="0" ry="0" x="-68.9609375" y="-22.796875" width="137.921875" height="45.59375" class="label-container"></rect><g class="label" transform="translate(0,0)"><g transform="translate(-58.9609375,-12.796875)"><foreignObject width="117.921875" height="25.59375"><div xmlns="http://www.w3.org/1999/xhtml">注册pinRequest</div></foreignObject></g></g></g><g class="node default" id="flowchart-配对设备-7" transform="translate(537.921875,30.796875)"><rect rx="0" ry="0" x="-42" y="-22.796875" width="84" height="45.59375" class="label-container"></rect><g class="label" transform="translate(0,0)"><g transform="translate(-32,-12.796875)"><foreignObject width="64" height="25.59375"><div xmlns="http://www.w3.org/1999/xhtml">配对设备</div></foreignObject></g></g></g></g></g></g></svg></div><div class="md-diagram-panel-error"></div></div></pre>
- 开启蓝牙
//开蓝牙
ListItem() {
TitleComponent({
title: "enableBluetooth", //显示功能的名称
bgColor: this.currentClick === 0 ? $r('app.color.font_color_007DFF') : $r('app.color.white_bg_color')
}); //点击后颜色变化
}
.padding({ top: $r('app.float.distance_2'), bottom: $r('app.float.distance_2') })
.onClick(() => { //点击事件
if (this.btEnable) { //判断蓝牙是否已经打开
this.message = '蓝牙已经使能';
return;
}
let ret = BluetoothModel.enableBluetooth(); //打开蓝牙
this.btEnable = ret; //如果启用了蓝牙，则返回true,否则返回false
AppStorage.SetOrCreate('bluetoothIsOn', this.btEnable); //存储蓝牙打开的结果，方便调用
AppStorage.SetOrCreate('currentClick', this.currentClick);
this.message = "蓝牙使能执行结果：" + ret; //输出结果
})
- 设置发现模式
ListItem() {
TitleComponent({
title: "setBluetoothScanMode", //显示功能的名称
bgColor: this.currentClick === 6 ? $r('app.color.font_color_007DFF') : $r('app.color.white_bg_color')
}); //点击后颜色变化
}
.padding({ top: $r('app.float.distance_2'), bottom: $r('app.float.distance_2') })
.onClick(() => { //点击事件
this.currentClick = 6;
if (this.btEnable) { //判断蓝牙是否已经打开
retObj = {mod: 0, duration: -1} //mode表示要设置的蓝牙扫描模式{@link ScanMode}。 //*@param duration指示主机可发现的持续时间（秒）。
setLocalNameRet = BluetoothModel.setBluetoothScanMode(mode, dur);
if (setLocalNameRet) {
AppStorage.SetOrCreate('setScanModeRet', setLocalNameRet);
retObj.mod = mode;
retObj.duration = dur;
} else { //如果设置了蓝牙扫描模式，返回true,否则返回false。
console.info("BluetoothModel.setBluetoothScanMode failed!")
onsole.info("BluetoothModel.setBluetoothScanMode success!", retObj)
this.message = "setBluetoothScanMode执行" + this.setLocalNameRet ? '成功' : '失败';
}
}else {
this.message = "蓝牙未使能";
}
})
- 注册pinRequest
ListItem() {
TitleComponent({
title: "btPinRequired" //显示功能的名称
bgColor: this.currentClick === 18 ? $r('app.color.font_color_007DFF') : $r('app.color.white_bg_color')
}); //点击后颜色变化
}
.padding({ top: $r('app.float.distance_2'), bottom: $r('app.float.distance_2') })
.onClick(() => { //点击事件
if (!this.btEnable) { //判断蓝牙是否已经打开
this.message = "蓝牙未使能";
return;
}
if (this.isPinRequiredClick) { //判断监听是否开启，即为一个“开关”，并存储数据
bluetooth.off('pinRequired', () => {
})
this.message = 'on:pinRequired监听已关闭，再次点击将开启监听';
this.isPinRequiredClick = false;
AppStorage.SetOrCreate('on_pinRequired', this.btPinRequired);
return;
}
this.isPinRequiredClick = true;
AppStorage.SetOrCreate('on_pinRequired', this.btPinRequired); //type要侦听的配对请求事件的类型为：pinRequired
this.pinMessage = 'PIN: ';
bluetooth.on('pinRequired', (data) => { //callback回调用于侦听配对请求事件。
this.pinMessage = 'PIN: ';
this.pinMessage += data.pinCode;
})
this.message = 'on:pinRequired监听已启动，再次点击将关闭监听。';
})
- 配对设备
ListItem() {
TitleComponent({
title: "pairDevice", //显示功能的名称
bgColor: this.currentClick === 10 ? $r('app.color.font_color_007DFF') : $r('app.color.white_bg_color')
}); //点击后颜色变化
}
.padding({ top: $r('app.float.distance_2'), bottom: $r('app.float.distance_2') })
.onClick(() => { //点击事件
if (!this.btEnable) { //判断蓝牙是否已经打开
this.message = '蓝牙未使能';
return;
}
if (this.deviceId == '') { //deviceId为要配对的远程设备的地址
this.message = "请输入目标设备的MAC"; //若为空，请输入目标MAC
return;
} else {
this.pairDevice(this.deviceId); //如果配对过程已启动，则返回true，否则返回false
}
})
OpenHarmony经典蓝牙设备发现流程
<pre class="md-fences md-end-block md-diagram md-fences-advanced ty-contain-cm modeLoaded" spellcheck="false" lang="mermaid" cid="n87" mdtype="fences" mermaid-type="graph"><div class="md-diagram-panel md-fences-adv-panel"><div class="md-diagram-panel-header"></div><div class="md-diagram-panel-preview"><svg id="mermaidChart1" width="100%" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="61.59375" viewBox="0 0 432 61.59375" class="in-text-selection"><g><g class="output"><g class="clusters"></g><g class="edgePaths"><g class="edgePath LS-开启蓝牙 LE-设置发现模式" id="L-开启蓝牙-设置发现模式"><path class="path" d="M92,30.796875L117,30.796875L142,30.796875" marker-end="url(#arrowhead31)"></path><defs><marker id="arrowhead31" viewBox="0 0 10 10" refX="9" refY="5" markerUnits="strokeWidth" markerWidth="8" markerHeight="6" orient="auto"><path d="M 0 0 L 10 5 L 0 10 z" class="arrowheadPath"></path></marker></defs></g><g class="edgePath LS-设置发现模式 LE-开始蓝牙发现" id="L-设置发现模式-开始蓝牙发现"><path class="path" d="M258,30.796875L283,30.796875L308,30.796875" marker-end="url(#arrowhead32)"></path><defs><marker id="arrowhead32" viewBox="0 0 10 10" refX="9" refY="5" markerUnits="strokeWidth" markerWidth="8" markerHeight="6" orient="auto"><path d="M 0 0 L 10 5 L 0 10 z" class="arrowheadPath"></path></marker></defs></g></g><g class="edgeLabels"><g class="edgeLabel" transform=""><g transform="translate(0,0)" class="label"><rect rx="0" ry="0" width="0" height="0"></rect><foreignObject width="0" height="0"><div xmlns="http://www.w3.org/1999/xhtml"><span id="L-L-开启蓝牙-设置发现模式" class="edgeLabel L-LS-开启蓝牙' L-LE-设置发现模式"></span></div></foreignObject></g></g><g class="edgeLabel" transform=""><g transform="translate(0,0)" class="label"><rect rx="0" ry="0" width="0" height="0"></rect><foreignObject width="0" height="0"><div xmlns="http://www.w3.org/1999/xhtml"><span id="L-L-设置发现模式-开始蓝牙发现" class="edgeLabel L-LS-设置发现模式' L-LE-开始蓝牙发现"></span></div></foreignObject></g></g></g><g class="nodes"><g class="node default" id="flowchart-开启蓝牙-11" transform="translate(50,30.796875)"><rect rx="0" ry="0" x="-42" y="-22.796875" width="84" height="45.59375" class="label-container"></rect><g class="label" transform="translate(0,0)"><g transform="translate(-32,-12.796875)"><foreignObject width="64" height="25.59375"><div xmlns="http://www.w3.org/1999/xhtml">开启蓝牙</div></foreignObject></g></g></g><g class="node default" id="flowchart-设置发现模式-12" transform="translate(200,30.796875)"><rect rx="0" ry="0" x="-58" y="-22.796875" width="116" height="45.59375" class="label-container"></rect><g class="label" transform="translate(0,0)"><g transform="translate(-48,-12.796875)"><foreignObject width="96" height="25.59375"><div xmlns="http://www.w3.org/1999/xhtml">设置发现模式</div></foreignObject></g></g></g><g class="node default" id="flowchart-开始蓝牙发现-13" transform="translate(366,30.796875)"><rect rx="0" ry="0" x="-58" y="-22.796875" width="116" height="45.59375" class="label-container"></rect><g class="label" transform="translate(0,0)"><g transform="translate(-48,-12.796875)"><foreignObject width="96" height="25.59375"><div xmlns="http://www.w3.org/1999/xhtml">开始蓝牙发现</div></foreignObject></g></g></g></g></g></g></svg></div><div class="md-diagram-panel-error"></div></div></pre>
-
开启蓝牙（同上）
-
设置发现模式（同上）
-
开始蓝牙发现
ListItem() {
TitleComponent({
title: "startBluetoothDiscovery", //显示功能的名称
bgColor: this.currentClick === 8 ? $r('app.color.font_color_007DFF') : $r('app.color.white_bg_color')
}); //点击后颜色变化
}
.padding({ top: $r('app.float.distance_2'), bottom: $r('app.float.distance_2') })
.onClick(() => {//点击事件
LogUtil.info(this.TAG_PAGE + 'startBluetoothDiscovery 111');
if (!this.btEnable) { //判断蓝牙是否已经打开
this.message = '蓝牙未使能';
return;
}
Router.push({ uri: PAGE_URI_DEVICE_FOUND_MODE }); //搜索发现蓝牙的分界面
})
-
搜索发现蓝牙的分界面
Scroll() {
Column() {
if (this.isOn) {
PairedDeviceComponent({ //显示已配对的设备
controller: this.deviceController
})
AvailableDeviceComponent({ //显示可被配对的设备
controller: this.deviceController
})
}
}
.width(ConfigData.WH_100_100)
}
//PairedDeviceComponent
build() {
Column() {
if (this.pairedDevices && this.pairedDevices.length > 0) {
// paired devices title
Row() {
Text($r('app.string.bluetooth_paired_devices')) //已配对的设备
.fontSize($r('app.float.font_14'))
.fontColor($r('app.color.font_color_182431'))
}
.width(ConfigData.WH_100_100)
.padding({
left: $r('app.float.distance_24'),
top: $r('app.float.distance_19_5'),
bottom: $r('app.float.distance_9_5')
})
List() {
// paired devices list
ForEach(this.pairedDevices, (item: BluetoothDevice, index: number) => {
ListItem() {
Row() {
PairedItem({
name: item.deviceName,
type: item.deviceType,
state: item.connectionState.toString(),
mac: item.deviceId
})
}
.width(ConfigData.WH_100_100)
.borderRadius($r("app.float.radius_24"))
.padding($r('app.float.distance_4'))
.backgroundColor($r("app.color.white_bg_color"))
.onClick(() => {
this.itemClicked(item);
})
}
}, item => JSON.stringify(item));
}
.height(200)
.divider({
strokeWidth: 1,
color: $r('app.color.color_E3E3E3_grey'),
startMargin: $r('app.float.wh_value_52'),
endMargin: $r('app.float.wh_value_12')
})
.backgroundColor($r("app.color.white_bg_color"))
.borderRadius($r("app.float.radius_24"))
}
}
}
//AvailableDeviceComponent
build() {
Column() {
Row() {
// available devices title
Text($r('app.string.bluetooth_available_devices')) //可用设备
.fontSize($r('app.float.font_14'))
.fontColor($r('app.color.font_color_182431'))
.width(ConfigData.WH_100_100)
.padding({
left: $r('app.float.distance_24'),
top: $r('app.float.distance_19_5'),
bottom: $r('app.float.distance_9_5')
})
Blank()
// bluetooth discovering
if (this.isDeviceDiscovering) {
DiscoveringAnimatorComponent()
}
}
.width(ConfigData.WH_100_100)
if (this.availableDevices && this.availableDevices.length >= 1) {
Scroll() {
List() {
// paired devices list
ForEach(this.availableDevices, (item: BluetoothDevice) => {
ListItem() {
Row() {
AvailableItem({
name: item.deviceName,
type: item.deviceType,
state: item.connectionState.toString(),
mac: item.deviceId
})
}
.width(ConfigData.WH_100_100)
.borderRadius($r("app.float.radius_24"))
.padding($r('app.float.distance_4'))
.backgroundColor($r("app.color.white_bg_color"))
.onClick(() => {
LogUtil.info(this.TAG_PAGE + 'item on click : ' + JSON.stringify(item));
AppStorage.SetOrCreate('pairedMac', item.deviceId);
// AppStorage.SetOrCreate('pairedName', item.deviceName);
this.pairDevice(item)
})
}
}, item => JSON.stringify(item));
}
.backgroundColor($r("app.color.white_bg_color"))
.borderRadius($r("app.float.radius_24"))
.height("80%")
.divider({
strokeWidth: 1,
color: $r('app.color.color_E3E3E3_grey'),
startMargin: $r('app.float.wh_value_52'),
endMargin: $r('app.float.wh_value_12')
})
}
.scrollBar(BarState.Auto)
.scrollBarWidth(20)
} else {
Row() {
// Scanning...
Text($r('app.string.scanning'))
.fontSize($r('app.float.font_20'))
.textCase(TextCase.UpperCase);
}
}
}
}
整体代码
├─Component
│ │ └─controller
│ ├─pageTitle.ets
│ ├─headComponent.ets
│ └─titleComponent.ets
├─MainAbility
│ ├─controller
│ ├─model
│ ├─BluetoothDevice.ts
│ └─BluetoothModel.ts
│ └─pages
│ ├─homePage.ets
│ └─deviceFound.ets
└─Utils
page
//homePage
build() {
Column() {
GridContainer({
columns: 12,
sizeType: SizeType.Auto,
gutter: vp2px(1) === 2 ? '12vp' : '0vp',
margin: vp2px(1) === 2 ? '24vp' : '0vp'
}) {
Row({}) {
Column() {
}
.width(ConfigData.WH_100_100)
.height(ConfigData.WH_100_100)
.useSizeType({
xs: { span: 0, offset: 0 }, sm: { span: 0, offset: 0 },
md: { span: 0, offset: 0 }, lg: { span: 2, offset: 0 }
});
Column() {
Text(this.message)
.fontSize($r("app.float.font_30"))
.lineHeight($r("app.float.lineHeight_41"))
.fontWeight(FontWeight.Bold)
.fontFamily('HarmonyHeiTi')
.textAlign(TextAlign.Start)
.width(ConfigData.WH_100_100)
.padding({
left: $r('app.float.distance_26'),
top: $r('app.float.distance_12'),
bottom: $r('app.float.distance_17')
})
Column() {
HeadComponent({ headName: $r('app.string.test1'), isActive: true })
Scroll() {
Column({ space: '12vp' }) {
List() {
//开蓝牙
ListItem() {
TitleComponent({
title: "enableBluetooth",
bgColor: this.currentClick === 0 ? $r('app.color.font_color_007DFF') : $r('app.color.white_bg_color')
});
}
.padding({ top: $r('app.float.distance_2'), bottom: $r('app.float.distance_2') })
.onClick(() => {
this.currentClick = 0;
if (this.btEnable) {
this.message = '蓝牙已经使能';
return;
}
let ret = BluetoothModel.enableBluetooth();
this.btEnable = ret;
AppStorage.SetOrCreate('bluetoothIsOn', this.btEnable);
AppStorage.SetOrCreate('currentClick', this.currentClick);
this.message = "蓝牙使能执行结果：" + ret;
})
//设置状态
ListItem() {
TitleComponent({
title: "getState",
bgColor: this.currentClick === 2 ? $r('app.color.font_color_007DFF') : $r('app.color.white_bg_color')
});
}
.padding({ top: $r('app.float.distance_2'), bottom: $r('app.float.distance_2') })
.onClick(() => {
this.currentClick = 2;
let ret = BluetoothModel.getState();
switch (ret) {
case 0:
this.stateBT = 'STATE_OFF';
break;
case 1:
this.stateBT = 'STATE_TURNING_ON';
break;
case 2:
this.stateBT = 'STATE_ON';
break;
case 3:
this.stateBT = 'STATE_TURNING_OFF';
break;
case 4:
this.stateBT = 'STATE_BLE_TURNING_ON';
break;
case 5:
this.stateBT = 'STATE_BLE_ON';
break;
case 6:
this.stateBT = 'STATE_BLE_TURNING_OFF';
break;
default:
this.stateBT = '未知状态';
break;
}
this.message = "当前蓝牙的状态是：" + this.stateBT;
})
//设置本地名称
ListItem() {
TitleComponent({
title: "setLocalName",
bgColor: this.currentClick === 4 ? $r('app.color.font_color_007DFF') : $r('app.color.white_bg_color')
});
}
.padding({ top: $r('app.float.distance_2'), bottom: $r('app.float.distance_2') })
.onClick(() => {
this.currentClick = 4;
if (this.btEnable) {
Router.push({ uri: PAGE_URI_DEVICE_NAME });
this.message = "设置SCAN MODE " + this.setScanModeRet ? '成功' : '失败';
} else {
this.message = "蓝牙未使能";
}
})
//设置扫描模式
ListItem() {
TitleComponent({
title: "setBluetoothScanMode",
bgColor: this.currentClick === 6 ? $r('app.color.font_color_007DFF') : $r('app.color.white_bg_color')
});
}
.padding({ top: $r('app.float.distance_2'), bottom: $r('app.float.distance_2') })
.onClick(() => {
this.currentClick = 6;
if (!this.btEnable) {
Router.push({ uri: PAGE_URI_SET_SCAN_MODE });
this.message = "setBluetoothScanMode执行" + this.setLocalNameRet ? '成功' : '失败';
} else {
this.message = "蓝牙未使能";
}
})
// 开始蓝牙发现
ListItem() {
TitleComponent({
title: "startBluetoothDiscovery",
bgColor: this.currentClick === 8 ? $r('app.color.font_color_007DFF') : $r('app.color.white_bg_color')
});
}
.padding({ top: $r('app.float.distance_2'), bottom: $r('app.float.distance_2') })
.onClick(() => {
LogUtil.info(this.TAG_PAGE + 'startBluetoothDiscovery 111');
if (this.btEnable) {
this.message = '蓝牙未使能';
return;
}
this.currentClick = 8;
Router.push({ uri: PAGE_URI_DEVICE_FOUND_MODE });
})
//监听PinRequired
ListItem() {
TitleComponent({
title: this.btPinRequired,
pinRequiredFlag: true,
bgColor: this.currentClick === 18 ? $r('app.color.font_color_007DFF') : $r('app.color.white_bg_color')
});
}
.padding({ top: $r('app.float.distance_2'), bottom: $r('app.float.distance_2') })
.onClick(() => {
if (!this.btEnable) {
this.message = "蓝牙未使能";
return;
}
if (this.isPinRequiredClick) {
bluetooth.off('pinRequired', () => {
})
this.message = 'on:pinRequired监听已关闭，再次点击将开启监听';
this.isPinRequiredClick = false;
this.btPinRequired = 'on:pinRequired';
AppStorage.SetOrCreate('on_pinRequired', this.btPinRequired);
return;
}
this.isPinRequiredClick = true;
this.currentClick = 18;
this.btPinRequired = 'off:pinRequired';
AppStorage.SetOrCreate('on_pinRequired', this.btPinRequired);
this.pinMessage = 'PIN: ';
bluetooth.on('pinRequired', (data) => {
this.pinMessage = 'PIN: ';
this.pinMessage += data.pinCode;
})
this.message = 'on:pinRequired监听已启动，再次点击将关闭监听。';
})
//配对设备
ListItem() {
TitleComponent({
title: "pairDevice",
bgColor: this.currentClick === 10 ? $r('app.color.font_color_007DFF') : $r('app.color.white_bg_color')
});
}
.padding({ top: $r('app.float.distance_2'), bottom: $r('app.float.distance_2') })
.onClick(() => {
this.currentClick = 10;
if (!this.btEnable) {
this.message = '蓝牙未使能';
return;
}
if (this.deviceId == '') {
this.message = "请输入目标设备的MAC";
return;
} else {
this.pairDevice(this.deviceId);
}
})
//关蓝牙
ListItem() {
TitleComponent({
title: "disableBluetooth",
bgColor: this.currentClick === 1 ? $r('app.color.font_color_007DFF') : $r('app.color.white_bg_color')
});
}
.padding({ top: $r('app.float.distance_2'), bottom: $r('app.float.distance_2') })
.onClick(() => {
this.currentClick = 1;
if (!this.btEnable) {
this.message = '蓝牙还未使能';
return;
}
let ret = BluetoothModel.disableBluetooth();
this.btEnable = false;
AppStorage.SetOrCreate('bluetoothIsOn', this.btEnable);
this.message = "蓝牙去使能执行结果：" + ret;
})
}
}
.width(ConfigData.WH_100_100)
.height(600)
}
.scrollable(ScrollDirection.Vertical).scrollBar(BarState.On)
.scrollBarColor(Color.Gray).scrollBarWidth(30)
}
.padding({ left: $r('app.float.distance_2'), right: $r('app.float.distance_2') })
.width(ConfigData.WH_100_100)
.height(ConfigData.WH_100_100)
.useSizeType({
xs: { span: 12, offset: 0 }, sm: { span: 12, offset: 0 },
md: { span: 12, offset: 0 }, lg: { span: 8, offset: 2 }
});
}
.padding({ left: $r('app.float.distance_2'), right: $r('app.float.distance_2') })
.width(ConfigData.WH_100_100)
.height(ConfigData.WH_100_100)
.useSizeType({
xs: { span: 12, offset: 0 }, sm: { span: 12, offset: 0 },
md: { span: 12, offset: 0 }, lg: { span: 8, offset: 2 }
});
}
.width(ConfigData.WH_100_100)
.height(ConfigData.WH_100_100);
}
.backgroundColor($r("sys.color.ohos_id_color_sub_background"))
.width(ConfigData.WH_100_100)
.height(ConfigData.WH_100_100);
}
}
component:
// titlecomoponent
import ConfigData from '../Utils/ConfigData';
@Component
export struct TitleComponent{
private title:string | Resource;
private fontSize:string ='35vp';
private stateChangeFlag: boolean = false;
private pinRequiredFlag: boolean = false;
private bondStateChangeFlag: boolean = false;
@State isTouched:boolean = false;
@State bgColor: Resource = $r('app.color.font_color_007DFF');
@StorageLink('on_stateChange') state: string = 'on:stateChange';
@StorageLink('on_pinRequired') pin: string = 'on:pinRequired';
@StorageLink('on_bondStateChange') bondState: string = 'on:bondStateChange';
build(){
Column(){
Flex({ justifyContent: FlexAlign.SpaceBetween, alignItems:ItemAlign.Center }) {
Text(this.stateChangeFlag ? this.state : (this.pinRequiredFlag ? this.pin : (this.bondStateChangeFlag ? this.bondState : this.title)))
.textAlign(TextAlign.Center)
.width("100%")
.height(100)
.fontSize(this.fontSize)
.fontColor($r('app.color.font_color_182431'))
.fontWeight(FontWeight.Medium)
}
.height(ConfigData.WH_100_100)
.width(ConfigData.WH_100_100)
.backgroundColor(this.bgColor)
.linearGradient(this.isTouched ? {
angle: 90,
direction: GradientDirection.Right,
colors: [[$r("app.color.DCEAF9"), 0.0], [$r("app.color.FAFAFA"), 1.0]]
} : {
angle: 90, direction: GradientDirection.Right,
colors: [[$r("sys.color.ohos_id_color_foreground_contrary"), 1], [$r("sys.color.ohos_id_color_foreground_contrary"), 1]]})
.onTouch((event: TouchEvent) => {
if (event.type === TouchType.Down) {
this.isTouched = true;
}
if (event.type === TouchType.Up) {
this.isTouched = false;
}
})
}
.padding($r('app.float.distance_4'))
.height("100vp")
.borderRadius($r('app.float.radius_12'))
}
}
model:
import { DeviceState } from './BluetoothModel'
export class Profile {
profileId: number = -1;
profileConnectionState: number = -1
constructor() {
}
}
/**
* Bluetooth device class
*/
export default class BluetoothDevice {
deviceId: string = '';
deviceName: string = '';
deviceType: string = '';
connectionState: number = 0;
profiles: Map<number, Profile> = new Map();
constructor() {
}
setProfiles(data: Array<{
profileId: number;
profileConnectionState: number;
}>): void{
data.forEach((item: {
profileId: number;
profileConnectionState: number;
}) => {
this.setProfile({
profileId: item.profileId,
deviceId: this.deviceId,
profileConnectionState: item.profileConnectionState
})
})
}
setProfile(data: {
profileId: number;
deviceId: string;
profileConnectionState: number;
}): void{
if (this.deviceId !== data.deviceId) {
return;
}
this.profiles.set(data.profileId, data)
let countStateDisconnect = 0;
let countStateConnecting = 0;
let countStateConnected = 0;
let countStateDisconnecting = 0;
this.profiles.forEach((profile, key) => {
if (profile.profileConnectionState == 0) {
// 0:the current profile is disconnected
countStateDisconnect++;
} else if (profile.profileConnectionState == 1) {
// 1:the current profile is being connected
countStateConnecting++;
} else if (profile.profileConnectionState == 2) {
// 2:the current profile is connected
countStateConnected++;
} else if (profile.profileConnectionState == 3) {
// 3:the current profile is being disconnected
countStateDisconnecting++;
}
});
if (countStateConnected > 0 || countStateDisconnecting > 0) {
this.connectionState = DeviceState.STATE_CONNECTED;
} else if (countStateConnecting > 0) {
this.connectionState = DeviceState.STATE_CONNECTING;
} else {
this.connectionState = DeviceState.STATE_DISCONNECTED;
}
}
}
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