LIFF APIリファレンス

{
  "code":"INIT_FAILED",
  "message":"Failed to init LIFF SDK"
}

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liff.init(
  data => {
    // Now you can call LIFF API
    const userId = data.context.userId;
  },
  err => {
    // LIFF initialization failed
  }
);

{
  "language":"ja-JP",
  "context":{
    "userId":"U4af498...",
    "type":"group",
    "groupId":"Ca5637c...",
    "viewType":"full"
  }
}

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liff.openWindow({
  url:'https://example.com',
  external:true
});

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const accessToken = liff.getAccessToken();
if(accessToken) {
  fetch('https://api...', {
    headers: {
      'Content-Type': 'application/json',
      'Authorization': `Bearer ${accessToken}`
    },
    method: 'POST',
    body: 'a=1&b=2'
  })

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liff.getProfile()
.then(profile => {
  const name = profile.displayName
})
.catch((err) => {
  console.log('error', err);
});

{
  "userId":"U4af4980629...",
  "displayName":"Brown",
  "pictureUrl":"https://example.com/abcdefghijklmn",
  "statusMessage":"Hello, LINE!"
}

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liff.sendMessages([
  {
    type:'text',
    text:'Hello, World!'
  }
])
.then(() => {
  console.log('message sent');
})
.catch((err) => {
  console.log('error', err);
});

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liff.closeWindow();

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liff.initPlugins(['bluetooth']).then(() => {
    liffCheckAvailablityAndDo(() => liffRequestDevice());
}).catch(error => {
    uiStatusError(makeErrorMsg(error), false);
});

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liff.bluetooth.getAvailability().then(available => {
    alert('available?' + available);
});

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// アドバタイズメントパケットを受信するデバイスをフィルターしない場合
liff.bluetooth.requestDevice().then(device => {
    const listener = (e) => {
      device.removeEventListener('advertisementreceived', listener);
    };
    device.addEventListener('advertisementreceived', listener);

    device.watchAdvertisements();
}).catch(e => {
    console.log(e.code + ':' + e.message);
});

// アドバタイズメントパケットを受信するデバイスをフィルターする場合
liff.bluetooth.requestDevice({
        filters: [
            {
                deviceId: 't99137fe055dd4980b40f6ac526da7b0b' // ID of desired bluetooth device (BluetoothDevice.id)
            }
        ]
    }).then(device => {
    const listener = (e) => {
      device.removeEventListener('advertisementreceived', listener);
    };
    device.addEventListener('advertisementreceived', listener);

    device.watchAdvertisements();
}).catch(e => {
    console.log(e.code + ':' + e.message);
});

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// LIFFアプリからcharacteristicの値を読み込み、書き込みする例
device.gatt
    .connect()
    .then(async () => {
        const service = await device.gatt.getPrimaryService(
            '01234567-0123-0123-0123-012345678901'
        );
        const characteristic = await service.getCharacteristic(
            '01234567-0123-0123-0123-012345678902'
        );
        const value = await characteristic.readValue();

        // suppose we know it is a string, we can decode it
        // here we use TextDecoder for simplicity, you should add a polyfill for compatibility
        const stringValue = new TextDecoder().decode(value);

        // to write string 'liff' into the characteristic
        // here we use TextEncoder for simplicity, you should add a polyfill for compatibility
        await characteristic.writeValue(new TextEncoder().encode('liff'));
    })
    .catch(e => {
        console.log(e.code + ':' + e.message);
    });

// デバイスからcharacteristicの値の変更を通知させる例
device.gatt.connect().then(async () => {
    const service = await device.gatt.getPrimaryService('01234567-0123-0123-0123-012345678901');
    const characteristic = await service.getCharacteristic('01234567-0123-0123-0123-012345678903');
    characteristic.addEventListener('characteristicvaluechanged', (e) => {
        // suppose we know it is a 16-bit integer value
        console.log('value changed to:' + e.target.value.getInt16();
    });

    await characteristic.startNotifications();
}).catch(e => {
    console.log(e.code + ':' + e.message);
});

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// gattserverdisconnectedイベントのイベントリスナーを登録する例
liff.bluetooth
    .requestDevice()
    .then(device => {
        device.addEventListener('gattserverdisconnected', () => {
            console.log('device gatt is disconnected');
        });

        window.gatt.connect();
    })
    .catch(e => {
        console.log(e.code + ':' + e.message);
    });

curl -X POST https://api.line.me/liff/v1/apps \
-H "Authorization: Bearer {channel access token}" \
-H "Content-Type: application/json" \
-d '{
  "view":{
    "type":"full",
    "url":"https://example.com/myservice"
  },
  "description": "Service Example",
  "features": {
    "ble": true
  }
}'

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{
  "liffId":"{liffId}"
}

curl -X PUT https://api.line.me/liff/v1/apps/{liffId} \
-H "Authorization: Bearer {channel access token}" \
-H "Content-Type: application/json" \
-d '{
  "view": {
    "url":"https://new.example.com"
  }
}'

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curl -X GET https://api.line.me/liff/v1/apps \
-H "Authorization: Bearer {channel access token}"

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{
  "apps":[
    {
      "liffId":"{liffId}",
      "view":{
        "type":"full",
        "url":"https://example.com/myservice"
      },
      "description": "Happy New York"
    },
    {
      "liffId":"{liffId}",
      "view":{
        "type":"tall",
        "url":"https://example.com/myservice2"
      },
      "features": {
        "ble": true
      }
    }
  ]
}

curl -X DELETE https://api.line.me/liff/v1/apps/{liffId} \
-H "Authorization: Bearer {channel access token}"

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