@hmscore/react-native-hms-mlimage/example/src/HmsOtherServices/Helper.js

React Native HMS ML Image Kit

/*
 * Copyright 2023-2024. Huawei Technologies Co., Ltd. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License")
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { HMSLensEngine, HMSApplication } from '@hmscore/react-native-hms-mlimage';
import { ToastAndroid } from 'react-native';
import * as ImagePicker from "react-native-image-picker"

const options = {
  title: 'Choose Method',
  storageOptions: {
    skipBackup: true,
    path: 'images',
  },
};

export async function createLensEngine(analyzer, analyzerConfig) {
  try {
    var result = await HMSLensEngine.createLensEngine(
      analyzer,
      analyzerConfig,
      {
        width: 480,
        height: 540,
        lensType: HMSLensEngine.BACK_LENS,
        automaticFocus: true,
        fps: 20.0,
        flashMode: HMSLensEngine.FLASH_MODE_OFF,
        focusMode: HMSLensEngine.FOCUS_MODE_CONTINUOUS_VIDEO
      }
    )
    this.renderResult(result, "Lens engine creation successfull");
  } catch (error) {
    console.log(error);
  }
}

export async function runWithView() {
  try {
    var result = await HMSLensEngine.runWithView();
    this.renderResult(result, "Lens engine running");
  } catch (error) {
    console.log(error);
  }
}

export async function close() {
  try {
    var result = await HMSLensEngine.close();
    this.renderResult(result, "Lens engine closed");
  } catch (error) {
    console.log(error);
  }
}

export async function doZoom(scale) {
  try {
    var result = await HMSLensEngine.doZoom(scale);
    this.renderResult(result, "Lens engine zoomed");
  } catch (error) {
    console.log(error);
  }
}

export async function photograph() {
  try {
    var result = await HMSLensEngine.photograph();
    this.renderResult(result, "Lens engine photo");
  } catch (error) {
    console.log(error);
  }
}

export async function release() {
  try {
    var result = await HMSLensEngine.release();
    this.renderResult(result, "Lens engine released");
  } catch (error) {
    console.log(error);
  }
}

export async function setApiKey() {
  try {
    var result = await HMSApplication.setApiKey("YOUR-APIKEY");
    this.renderResult(result, "Api key set");
  } catch (e) {
    console.log(e);
  }
}

export async function setAccessToken() {
  try {
    var result = await HMSApplication.setAccessToken("<your_access_token>");
    this.renderResult(result, "Access Token set");
  } catch (e) {
    console.log(e);
  }
} 

export function showImagePicker() {
  var result = new Promise(
    function (resolve, reject) {
      ImagePicker.launchImageLibrary(options, (response) => {
        if (response.didCancel) {
          resolve('');
        } else if (response.error) {
          resolve('');
        } else {
          resolve(response.assets[0].uri);
        }
      });
    }
  );
  return result;
}

export function showImagePickerCustom() {
  var result = new Promise(
    function (resolve, reject) {
      ImagePicker.showImagePicker(options, (response) => {
        if (response.didCancel) {
          resolve('');
        } else if (response.error) {
          resolve('');
        } else {
          resolve({uri: response.assets[0].uri, width: response.width, height: response.height});
        }
      });
    }
  );
  return result;
}

renderResult = (result, message) => {
  console.log(result);
  if (result.status == HMSApplication.SUCCESS) {
    ToastAndroid.showWithGravity(message, ToastAndroid.SHORT, ToastAndroid.BOTTOM);
  }
  else {
    ToastAndroid.showWithGravity(result.message, ToastAndroid.SHORT, ToastAndroid.BOTTOM);
  }
}