Top 10 Examples of "react-native-ble-manager in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'react-native-ble-manager' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
test(peripheral) {
if (peripheral){
if (peripheral.connected){
BleManager.disconnect(peripheral.id);
}else{
BleManager.connect(peripheral.id).then(() => {
let peripherals = this.state.peripherals;
let p = peripherals.get(peripheral.id);
if (p) {
p.connected = true;
peripherals.set(peripheral.id, p);
this.setState({peripherals});
}
console.log('Connected to ' + peripheral.id);
setTimeout(() => {
/* Test read current RSSI value
BleManager.retrieveServices(peripheral.id).then((peripheralData) => {
console.log('Retrieved peripheral services', peripheralData);
test(peripheral) {
if (peripheral){
if (peripheral.connected){
BleManager.disconnect(peripheral.id);
}else{
BleManager.connect(peripheral.id).then(() => {
let peripherals = this.state.peripherals;
let p = peripherals.get(peripheral.id);
if (p) {
p.connected = true;
peripherals.set(peripheral.id, p);
this.setState({peripherals});
}
console.log('Connected to ' + peripheral.id);
setTimeout(() => {
/* Test read current RSSI value
BleManager.retrieveServices(peripheral.id).then((peripheralData) => {return new Promise( (resolve, reject) =>{
BleManager.connect(id)
.then( (peripheralInfo) => {
console.log('Connected peripheralInfo: ', peripheralInfo);
this.peripheralId = peripheralInfo.id;
this.getUUID(peripheralInfo);
if(this.nofityServiceUUID.length == 4 || this.nofityServiceUUID.length != 36 ||
this.nofityServiceUUID == '' || this.nofityCharacteristicUUID == '' ||
this.writeServiceUUID == '' ||this.writeCharacteristicUUID == ''){
return 'invalid';
}
return BleManager.startNotification(this.peripheralId, this.nofityServiceUUID, this.nofityCharacteristicUUID)
}).then((status) => {
this.isConnecting = false; //当前蓝牙连接结束
if(status == 'invalid'){
console.log('Notification error'); //连接成功但不能打开通知监听
// this.disconnect(); // 断开当前连接
reject(status);function peripheralReducer(state, action) {
if (action.action == "add") {
let peripheral = action.peripheral;
console.log(peripheral);
if (state.has(peripheral.id)) {
return state; // No state change
}
if (!peripheral.advertising.serviceUUIDs || peripheral.advertising.serviceUUIDs.length == 0 || peripheral.advertising.serviceUUIDs[0].toLowerCase() != 'adaf0100-4369-7263-7569-74507974686e') {
return state;
}
console.log(peripheral);
var newMap = new Map(state);
newMap.set(peripheral.id, peripheral);
return newMap;
} else if (action.action == "scan") {
BleManager.scan([], 3).then((results) => {
console.log('Scanning...');
});
} else if (action.action == "clear") {
state.clear();
}
return state;
}disconnect() {
BleManager.disconnect(this.peripheralId)
.then( () => {
console.log('Disconnected');
})
.catch( (error) => {
console.log('Disconnected error:',error);
});
/* return new Promise( (resolve, reject) =>{
BleManager.disconnect(this.peripheralId)
.then( () => {
console.log('Disconnected');
resolve();
})
.catch( (error) => {
console.log('Disconnected error:',error);
reject(error);
});useEffect(() => {
console.log("new blestate", bleState);
if (bleState == "permOk") {
} else if (bleState == "started") {
changePeripherals({"action": "clear"});
BleManager.getConnectedPeripherals([]).then((peripheralsArray) => {
for (p of peripheralsArray) {
console.log(p);
p.connected = true;
BleManager.connect(p.id).then(() => {
BleManager.retrieveServices(p.id).then((peripheralInfo) => {
console.log(peripheralInfo);
p.advertising.serviceUUIDs = [peripheralInfo.services[2].uuid];
changePeripherals({"action": "add", "peripheral": p});
});
});
}
console.log('Connected peripherals: ' + peripheralsArray.length);
});
changePeripherals({"action": "scan"});
} else if (bleState == "disconnected") {
// set a timeout and try to reconnectlet totalLength = 2 + 2 + 4 + 4 + 4 + encodedInsert.length
let patch = new ArrayBuffer(totalLength);
let view = new DataView(patch);
view.setUint16(0, totalLength, true);
view.setUint16(2, 2, true);
view.setUint32(4, action.offset, true);
view.setUint32(8, action.oldValue.length, true);
view.setUint32(12, encodedInsert.length, true);
let byteView = new Uint8Array(patch, 16, encodedInsert.length);
byteView.set(encodedInsert);
// React native bridging can't handle Uint8Array so copy into a normal array.
let finalPatch = Array.from(new Uint8Array(patch));
if (state.peripheral_id) {
console.log("writing patch", finalPatch, patch);
BleManager.write(state.peripheral_id, service, contentsCharacteristic, finalPatch).then(() => {
console.log('Wrote patch to device');
});
} else {
console.log("no peripheral", newState.queue);
newState.queue.push(patch);
}
console.log("merging together", action, state.code);
newState.code = state.code.substring(0, action.offset) + action.newValue + state.code.substring(action.offset + action.oldValue.length, state.code.length);
}
console.log("new code state", newState);
return newState;
}setTimeout(() => {
/* Test read current RSSI value
BleManager.retrieveServices(peripheral.id).then((peripheralData) => {
console.log('Retrieved peripheral services', peripheralData);
BleManager.readRSSI(peripheral.id).then((rssi) => {
console.log('Retrieved actual RSSI value', rssi);
});
});*/
// Test using bleno's pizza example
// https://github.com/sandeepmistry/bleno/tree/master/examples/pizza
BleManager.retrieveServices(peripheral.id).then((peripheralInfo) => {
console.log(peripheralInfo);
var service = '13333333-3333-3333-3333-333333333337';
var bakeCharacteristic = '13333333-3333-3333-3333-333333330003';
var crustCharacteristic = '13333333-3333-3333-3333-333333330001';
setTimeout(() => {
BleManager.startNotification(peripheral.id, service, bakeCharacteristic).then(() => {
console.log('Started notification on ' + peripheral.id);
setTimeout(() => {
BleManager.write(peripheral.id, service, crustCharacteristic, [0]).then(() => {
console.log('Writed NORMAL crust');
BleManager.write(peripheral.id, service, bakeCharacteristic, [1,95]).then(() => {
console.log('Writed 351 temperature, the pizza should be BAKED');
/*
var PizzaBakeResult = {
HALF_BAKED: 0,getBondedPeripherals(){
BleManager.getBondedPeripherals([])
.then((bondedPeripheralsArray) => {
// Each peripheral in returned array will have id and name properties
console.log('Bonded peripherals: ' + bondedPeripheralsArray);
});
}function handleConnectPeripheral() {
console.log("handle connect to", peripheral);
BleManager.connect(peripheral.id).then(() => {
setBleState("connected");
changeCode({"type": "connect", "peripheral_id": peripheral.id});
setTimeout(() => {
BleManager.retrieveServices(peripheral.id).then((peripheralInfo) => {
console.log(peripheralInfo);
setTimeout(() => {
BleManager.startNotification(peripheral.id, service, contentsCharacteristic).then(() => {
console.log('Started notification on ' + peripheral.id);
setTimeout(() => {
BleManager.write(peripheral.id, service, filenameCharacteristic, stringToBytes("/code.py")).then(() => {
console.log('Wrote filename');
setFileState("nameSet");
});