下面是完整的.js  拷过去就可以用了

import {PermissionsAndroid, ToastAndroid }from 'react-native';

/*

// 使用步骤

_checkPermission = async () => {

const permissions = [permission.WRITE_EXTERNAL_STORAGE,permission.READ_EXTERNAL_STORAGE];

// 检查权限  等待异步函数的返回值

const granted = await checkPermission(permission.WRITE_EXTERNAL_STORAGE);

if (granted) {

// 有权限 --> 实现业务逻辑

this.onImageLoad(this.saveImage);

} else {

// 没有权限 --> 获取权限  a --> true 授权了

let granted = requestMultiplePermission(permissions);

if (granted['android.permission.WRITE_EXTERNAL_STORAGE'] === 'granted') {

console.log('通过权限 可以使用该功能');

this.onImageLoad(this.saveImage);

} else {

console.log('拒绝了权限 无法使用该功能');

}

}

};

*/

/**

* Toast  显示提示

* @param data 显示的内容 string

* @private

*/

export const _show = (data) => {

ToastAndroid.show(data, ToastAndroid.SHORT);

};

/**

* Android 权限检查  第一步

*/

export const checkPermission =async (permission) => {

try {

//返回Promise类型 异步函数 await --> 等待异步函数完成 --> 获取到返回值

    const granted =await PermissionsAndroid.check(permission);

    // 返回 异步函数 得到的值

    return granted;

  }catch (err) {

this._show(err.toString());

    return false;

  }

};

/**

* 权限请求  第二部

* @param permissions 权限数组/具体权限

* @returns {Promise}

*/

export const requestMultiplePermission =async (permissions) => {

try {

// const permissions = [

//  PermissionsAndroid.PERMISSIONS.WRITE_EXTERNAL_STORAGE,

//  PermissionsAndroid.PERMISSIONS.CAMERA];

    const granted =await PermissionsAndroid.requestMultiple(permissions);

    // if (granted['android.permission.WRITE_EXTERNAL_STORAGE'] === 'granted') {} else {}

    return granted;

  }catch (err) {

this._show(err.toString());

    return null;

  }

};

/**

* 危险权限 --> 需要用户手动授权

*/

export const permission = {

// 联系人

  WRITE_CONTACTS:PermissionsAndroid.PERMISSIONS.WRITE_CONTACTS,

  GET_ACCOUNTS:PermissionsAndroid.PERMISSIONS.GET_ACCOUNTS,

  READ_CONTACTS:PermissionsAndroid.PERMISSIONS.READ_CONTACTS,

  // 打电话

  READ_CALL_LOG:PermissionsAndroid.PERMISSIONS.READ_CALL_LOG,

  READ_PHONE_STATE:PermissionsAndroid.PERMISSIONS.READ_PHONE_STATE,

  CALL_PHONE:PermissionsAndroid.PERMISSIONS.CALL_PHONE,

  WRITE_CALL_LOG:PermissionsAndroid.PERMISSIONS.WRITE_CALL_LOG,

  USE_SIP:PermissionsAndroid.PERMISSIONS.USE_SIP,

  PROCESS_OUTGOING_CALLS:PermissionsAndroid.PERMISSIONS.PROCESS_OUTGOING_CALLS,

  ADD_VOICEMAIL:PermissionsAndroid.PERMISSIONS.ADD_VOICEMAIL,

  // 日历

  READ_CALENDAR:PermissionsAndroid.PERMISSIONS.READ_CALENDAR,

  WRITE_CALENDAR:PermissionsAndroid.PERMISSIONS.WRITE_CALENDAR,

  // 照相机

  CAMERA:PermissionsAndroid.PERMISSIONS.CAMERA,

  // 传感器

  BODY_SENSORS:PermissionsAndroid.PERMISSIONS.BODY_SENSORS,

  // 定位

  ACCESS_FINE_LOCATION:PermissionsAndroid.PERMISSIONS.ACCESS_FINE_LOCATION,

  ACCESS_COARSE_LOCATION:PermissionsAndroid.PERMISSIONS.ACCESS_COARSE_LOCATION,

  // 存储

  READ_EXTERNAL_STORAGE:PermissionsAndroid.PERMISSIONS.READ_EXTERNAL_STORAGE,

  WRITE_EXTERNAL_STORAGE:PermissionsAndroid.PERMISSIONS.WRITE_EXTERNAL_STORAGE,

  // 麦克风

  RECORD_AUDIO:PermissionsAndroid.PERMISSIONS.RECORD_AUDIO,

  // 短信

  READ_SMS:PermissionsAndroid.PERMISSIONS.READ_SMS,

  RECEIVE_WAP_PUSH:PermissionsAndroid.PERMISSIONS.RECEIVE_WAP_PUSH,

  RECEIVE_MMS:PermissionsAndroid.PERMISSIONS.RECEIVE_MMS,

  RECEIVE_SMS:PermissionsAndroid.PERMISSIONS.RECEIVE_SMS,

  SEND_SMS:PermissionsAndroid.PERMISSIONS.SEND_SMS,

  READ_CELL_BROADCASTS:PermissionsAndroid.PERMISSIONS.READ_CELL_BROADCASTS

};

/*

下面是危险权限

group:android.permission-group.CONTACTS

permission:android.permission.WRITE_CONTACTS

permission:android.permission.GET_ACCOUNTS

permission:android.permission.READ_CONTACTS

group:android.permission-group.PHONE

permission:android.permission.READ_CALL_LOG

permission:android.permission.READ_PHONE_STATE

permission:android.permission.CALL_PHONE

permission:android.permission.WRITE_CALL_LOG

permission:android.permission.USE_SIP

permission:android.permission.PROCESS_OUTGOING_CALLS

permission:com.android.voicemail.permission.ADD_VOICEMAIL

group:android.permission-group.CALENDAR

permission:android.permission.READ_CALENDAR

permission:android.permission.WRITE_CALENDAR

group:android.permission-group.CAMERA

permission:android.permission.CAMERA

group:android.permission-group.SENSORS

permission:android.permission.BODY_SENSORS

group:android.permission-group.LOCATION

permission:android.permission.ACCESS_FINE_LOCATION

permission:android.permission.ACCESS_COARSE_LOCATION

group:android.permission-group.STORAGE

permission:android.permission.READ_EXTERNAL_STORAGE

permission:android.permission.WRITE_EXTERNAL_STORAGE

group:android.permission-group.MICROPHONE

permission:android.permission.RECORD_AUDIO

group:android.permission-group.SMS

permission:android.permission.READ_SMS

permission:android.permission.RECEIVE_WAP_PUSH

permission:android.permission.RECEIVE_MMS

permission:android.permission.RECEIVE_SMS

permission:android.permission.SEND_SMS

permission:android.permission.READ_CELL_BROADCASTS

*/

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