React-Native权限管理工具类

手下npm install react-native-permissions --save  http://www.jianshu.com/p/e33fe3cb0e39

rnpm link 安装这个lib

详情https://github.com/yonahforst/react-native-permissions

但是使用其他还是比较麻烦，所以封装成工具类，最后可以这样使用

PermissionUtil.checkPermission(success,fail,["location"]);//成功调用 失败调用 权限

版本信息

代码如下：

/**

* Created by xq on 17/4/24.

*/

importReact, { Component }from'react';

import{

StyleSheet,

View,

StatusBar,

DeviceEventEmitter,

TouchableOpacity,

Text,

Alert,

Image

}from'react-native';

varPermissions= require('react-native-permissions');

classPermissionUtil{

checkPermission= (success,fail,permission = []) => {

letself=this;

letflag=true;

letper= [];

if(permission.length<=0){

return;

}

Permissions.checkMultiplePermissions(permission)

.then(status => {//直接修改设置 检测不到授权结果

Object.keys(status).map((k,v)=>{

if(status[k]=="authorized"){

}else{

per.push(k);

flag=false;

}

});

if(flag){

success();

}else{

if(per.length>0){

self.request(success,fail,per,0);

}

}

})

};

request= (success,fail,per,i)=>{

if(i

this.requestPermission(success,fail,per,i);

}else{

success();

}

};

requestPermission= (success,fail,per,i) => {

letself=this;

Permissions.requestPermission(per[i])

.then(res => {

if(res !='authorized') {

if(fail){

fail();

return;

}

switch(per[i]){

case"camera":

Alert.alert(

'无法使用!',

"请授予应用使用相机权限",

[

{text:'取消',style:'cancel'},

{text:'设置权限',onPress:Permissions.openSettings},

]

);

break;

case"photo":

Alert.alert(

'无法访问!',

"请授予应用访问存储sd卡权限",

[

{text:'取消',style:'cancel'},

{text:'设置权限',onPress:Permissions.openSettings},

]

);

break;

case"location":

Alert.alert(

'无法访问!',

"请授予应用访问位置信息权限",

[

{text:'取消',style:'cancel'},

{text:'设置权限',onPress:Permissions.openSettings},

]

);

break;

case"microphone":

Alert.alert(

'无法访问!',

"请授予应用录音权限",

[

{text:'取消',style:'cancel'},

{text:'设置权限',onPress:Permissions.openSettings},

]

);

break;

case"contacts":

Alert.alert(

'无法访问!',

"请授予应用获取联系人权限",

[

{text:'取消',style:'cancel'},

{text:'设置权限',onPress:Permissions.openSettings},

]

);

break;

default:

Alert.alert(

'无法访问!',

"请授予应用权限",

[

{text:'取消',style:'cancel'},

{text:'设置权限',onPress:Permissions.openSettings},

]

);

break;

}

}else{

self.request(success,fail,per,++i);

}

}).catch(e =>ConsoleLog.log(e))

};

}

export default newPermissionUtil();