I've a custom modal in which i have a pageblock section to create a Task for the sobjects i select.
The <apex:inputfield> is not binding with the sobject Task as I'am gettiing empty task values
Need help on this. How can i fix this?

VF Code:

<apex:form >
        <div id="simpleModalTask" class="modal">
            <div class="modal-content-TE">
                <div class="modal-header">
                    <span class="closeBtn">&times;</span>
                    <h2>Create Task</h2>
                </div>
                <div class="modal-body">
                    <center style="padding-left: 40px;">
                        <apex:pageBlock >
                            <apex:pageBlockSection columns="2">
                                <apex:repeat value="{!TaskFields}" var="fld">
                                    <apex:inputField value="{!massTask[fld]}"/>
                                </apex:repeat>
                            </apex:pageBlockSection>
                        </apex:pageBlock>
                        <br/><br/>
                    </center>
                </div>
                <div class="modal-footer">
                    <apex:commandbutton onClick="createTask()" value="Create" reRender="simpleModalTask" status="detailStatus"/> &nbsp;&nbsp;&nbsp;
                    <apex:commandbutton onClick="closepopTask()" value="Cancel" reRender="simpleModalTask"/>
                    <apex:actionFunction action="{!createMainTasks}" name="createTask" reRender="NoFieldPB,MainTablePB"/>
                    <apex:actionFunction name="cancel" reRender="NoFieldPB,MainTablePB"/>
                </div>
            </div>
        </div>       
    </apex:form>

JavaScript Code:

<script>
    // Get modal element
    var modalTask = document.getElementById('simpleModalTask');
    // Get close button
    var closeBtnTask = document.getElementsByClassName('closeBtn')[1];
    // Listen for close click
    closeBtnTask.addEventListener('click', closeModalTask);
    // Listen for outside click
    window.addEventListener('click', outsideClickTask);
    
    // Function to open modal
    function openModalTask(){
        
        modalTask.style.display = 'block';
    }
    
    // Function to close modal
    function closeModalTask(){
        modalTask.style.display = 'none';
    }
    
    // Function to close modal if outside click
    function outsideClickTask(e){
        if(e.target == modalTask){
            modalTask.style.display = 'none';
        }
    }
    
    function createTask(){
        createTask();
        modalTask.style.display = 'none';
    }
    
    function closepopTask(){
        cancel();
        modalTask.style.display = 'none';
    }
    document.onkeydown = function(evt) {
        evt = evt || window.event;
        var isEscape = false;
        if ("key" in evt) {
            isEscape = (evt.key == "Escape" || evt.key == "Esc");
        } else {
            isEscape = (evt.keyCode == 27);
        }
        if (isEscape) {
            modal.style.display = 'none';
            modalTask.style.display = 'none';
            modalEvent.style.display = 'none';
        }
    };
    </script>

Apex Code:

public PageReference createMainTasks(){
        if(selectedObj != null){
            List<Task> mainToTask = new List<Task>();
            for(MainRecordWrapperClass mwc: Paging.myData){
                if(mwc.isSelected){
                    System.debug(massTask); // This comes out to be empty
                    Task t = new Task();
                    t.Subject = massTask.subject;
                    t.WhoId = massTask.whoId;
                    t.Status = massTask.status;
                    t.ActivityDate = massTask.ActivityDate;
                    t.type = massTask.type;
                    t.WhatId = mwc.mainRecords.id;
                    mainToTask.add(t);
                }
            }
            
            try{
                insert mainToTask;
                massTask = new Task();
                instantiateMainObjLst();
            }catch(Exception e){
                System.debug('ERROR: ' + e.getcause() + ': ' + e.getmessage()); // Required field missing
                ApexPages.addMessages(e);
            }
        }
        return null;
    }

​
 

I have a force.com site where I am using google authentication
The authentication is working fine. I am getting the acess_tokne in json

After this i want to get the basic profile information about the user from google like his name, email, etc

How to use access_token to get this and what url to send request at

Here is what i am using in force.com site

Site URL:
http://bodaciousithub01-developer-edition.ap5.force.com/GoogleAuth

VF Page:

<apex:page controller="GoogleAuthController" showheader="false" sidebar="false">
    <apex:form >
        <apex:pageblock title="Google Authentication">
            <apex:commandButton value="Connect To Google" action="{!connect}"/>
            <apex:commandButton value="Fetch Auth Token" action="{!showtoken}"/>
            <br/><br/>
            {!bodyprint}
        </apex:pageblock>
    </apex:form>
</apex:page>

Apex Controller:

public class GoogleAuthController {
    
    public string authtoken{get;set;}
    public string refereshtoken{get;set;}
    public string bodyprint{get;set;}
    
    //Settings needed on the google cloud console.One can store this securely in custom settings or an object.
    
    public static final string CLIENT_SECRET='ZpH3EjBufPYchj1t97yerzaA'; //Fill as per your registered app settings in google console
    public static final string CLIENT_ID='472650385442-r0gt7rpvg4f54ao65hiq5m2so4afrs3p.apps.googleusercontent.com'; //Fill as per your registered app settings in google console
    public static final string REDIRECT_URL='https://bodaciousithub01-developer-edition.ap5.force.com/GoogleAuth';
    
    public static final string OAUTH_TOKEN_URL='https://accounts.google.com/o/oauth2/token';
    public static final string OAUTH_CODE_END_POINT_URL='https://accounts.google.com/o/oauth2/auth';
    
    public static final string GRANT_TYPE='grant_type=authorization_code';
    
    //Scope URL as per oauth 2.0 guide of the google 
    public static final string SCOPE='https://www.googleapis.com/auth/userinfo.email https://www.googleapis.com/auth/userinfo.profile';
    public static final string STATE='/profile';
    
    //Approval Prompt Constant
    public static final string APPROVAL_PROMPT='force';

    public pagereference connect(){
        
        String x=OAUTH_CODE_END_POINT_URL+'?scope='+EncodingUtil.urlEncode(SCOPE,'UTF-8')+'&state='+EncodingUtil.urlEncode(STATE,'UTF-8')+'&redirect_uri='+EncodingUtil.urlEncode(REDIRECT_URL,'UTF-8')+'&response_type=code&client_id='+CLIENT_ID+'&approval_prompt='+APPROVAL_PROMPT;
        System.debug(x);
        pagereference p=new pagereference(x);
        return p;
        
    }
    
    public pagereference showtoken(){
        
        String codeparam=apexpages.currentpage().getparameters().get('code');
        
        System.debug('codeparam: ' + codeparam);
        
        // Instantiate a new http object
        Http h = new Http();
        
        String body='code='+codeparam+'&client_id='+CLIENT_ID+'&client_secret='+CLIENT_SECRET+'&redirect_uri='+REDIRECT_URL+'&'+GRANT_TYPE;
        
        // Instantiate a new HTTP request, specify the method (GET) as well as the endpoint
        HttpRequest req = new HttpRequest();
        req.setEndpoint(OAUTH_TOKEN_URL);
        req.setHeader('Content-Type','application/x-www-form-urlencoded');
        req.setMethod('POST');
        req.setBody(body);
        
        system.debug('REQUEST BODY'+body);
        
        // Send the request, and return a response
        HttpResponse res = h.send(req);
        
        System.debug('body'+res.getbody());
        
        bodyprint=res.getbody();
        
        return null;
        
    }
}

 

I am trying to dynamically display objects and there related objects records in a table. I am struck with the following problem

The <apex:actionsupport> is not working for the following:

VF Page:

<apex:page controller="MyController" tabStyle="Account">
    <apex:form >
        <apex:pageBlock title="{!selectedObj} Records">
            <apex:pageBlockTable value="{!mainObjLst}" var="rec">
                <apex:column headerValue="Related Records" width="10%">
                    <apex:commandButton value="Show" action="{!show}" reRender="relatedRec">
                        <apex:param name="Abc" value="{!rec.Id}" assignTo="{!recordId}"/>
                    </apex:commandButton>&nbsp;&nbsp;
                    <apex:commandButton value="Hide" action="{!hide}" reRender="relatedRec"/>
                </apex:column>
                <apex:repeat value="{!mainselectedFld}" var="fld">
                    <apex:column value="{!rec[fld]}"/>
                </apex:repeat>
                <apex:column id="relatedRec" breakBefore="true" colspan="{!mainselectedFld.size + 1}" >
                    <apex:pageBlock title="Child Records" rendered="{!showRelated}">
                        <apex:repeat value="{!relatedFldMapVF}" var="rlRec">
                            <apex:variable value="{!relatedObjLst[rlRec]}"  var="myMap"/>
                            <apex:pageBlockSection title="{!rlRec}" columns="1"> 
                                <apex:pageBlockTable value="{!relatedObjLst[rlRec]}" var="rlLst" rendered="{!myMap.size > 0}">
                                    <apex:column >
                                        <apex:facet name="header">
                                            Select
                                        </apex:facet>
                                            <apex:inputCheckbox>
                                                <apex:actionSupport action="{!anyMethod}" event="onchange" />
                                            </apex:inputCheckbox>
                                    </apex:column>
                                    <apex:repeat value="{!relatedFldMapVF[rlRec]}" var="fld"> 
                                        <apex:column >
                                            <apex:facet name="header">
                                                {!$ObjectType[rlRec].Fields[fld].Label}
                                            </apex:facet>
                                            <apex:outputField value="{!rlLst[fld]}"/>
                                        </apex:column>
                                    </apex:repeat>
                                </apex:pageBlockTable>
                            </apex:pageBlockSection>
                            <center>
                                <apex:commandButton value="Delete" action="{!deleteRecords}" rendered="{!myMap.size > 0}"/>&nbsp;&nbsp;
                                <apex:commandButton value="Update" action="{!updateRecords}" rendered="{!myMap.size > 0}"/>
                            </center>
                        </apex:repeat> 
                    </apex:pageBlock>
                </apex:column>
            </apex:pageBlockTable>
        </apex:pageBlock>
    </apex:form>
</apex:page>

Apex Controller:

public class MyController{
	
    public String selectedObj {get;set;}
    public List<sObject> mainObjLst{get;set;}
    public Map<String, List<sObject>> relatedObjLst{get;set;}
    public Map<String, List<String>> relatedFldMap{get;set;}
    public Map<String, List<String>> relatedFldMapVF {get; set;}
    public Map<String, String> rlFld{get;set;}
    public List<String> mainselectedFld{get;set;}
    public Map<String, sObject> relatedObjectLst {get; set;}
    public Id recordId{get;set;}
    public Boolean showRelated{get;set;}
    public Map<ID, RecordWrapperClass> mapHoldingSelectedRecords {get;set;}
    public List<RecordWrapperClass> RecordWrapperRecordList {get;set;}
    
    public MyController(){
        selectedObj = 'Account';
        showRelated = false;
        mainselectedFld = getDefaultFields(selectedObj);
        instantiaterlFld();
        instantiaterelatedObjectLst();
        instantiaterelatedFldMapVF();
        instantiaterelatedFldMap();
       	mainObjLst = Database.query(getQuery());
        relatedObjLst = new Map<String, List<sObject>>();
        mapHoldingSelectedRecords = new Map<ID, RecordWrapperClass>();
        RecordWrapperRecordList = new List<RecordWrapperClass>();
    }
    
    public void instantiaterelatedObjectLst(){
        relatedObjectLst = new Map<String, sObject>();
        for(String s: getAllRelatedObject(selectedObj)){
            relatedObjectLst.put(s, ConvertTosObject(s));
        }
    }
    
    public void instantiaterelatedFldMapVF(){
        relatedFldMapVF = new Map<String, List<String>>();
        for(String so: getAllRelatedObject(selectedObj)){ 
            relatedFldMapVF.put(so, getDefaultFields(so));
        }
    }
    
    public void instantiaterelatedFldMap(){
        relatedFldMap = new Map<String, List<String>>();
        for(String so: getAllRelatedObjectWithRelationshipName(selectedObj)){
            relatedFldMap.put(so, getDefaultFields(rlFld.get(so)));
        }
    }
    
    public void instantiaterlFld(){
        rlFld = new Map<String, String>();
        for (Schema.ChildRelationship cr: Schema.getGlobalDescribe().get(selectedObj).getDescribe().getChildRelationships()) 
        {
            rlFld.put(cr.getRelationshipName(), String.valueOf(cr.getChildSObject()));
        }
    }

    public List<String> getAllRelatedObject(String obj){
        Set<String> rObjLst = new Set<String>();
        for (Schema.ChildRelationship cr: Schema.getGlobalDescribe().get(obj).getDescribe().getChildRelationships()) 
        {
            if(cr.getRelationshipName() != null)
            	rObjLst.add(String.valueOf(cr.getChildSObject()));
        }
        return filterObjectList(new List<String>(rObjLst));
    }
    
    public List<String> getAllRelatedObjectWithRelationshipName(String obj){
        Set<String> rObjLst = new Set<String>();
        for (Schema.ChildRelationship cr: Schema.getGlobalDescribe().get(obj).getDescribe().getChildRelationships()) 
        {
            if(getAllRelatedObject(obj).contains(String.valueOf(cr.getChildSObject())) && cr.getRelationshipName() != null)
            	rObjLst.add(cr.getRelationshipName());
        }
        return new List<String>(rObjLst);
    }
    
    public sObject ConvertTosObject(String objName){
        return Schema.getGlobalDescribe().get(objName).newsObject();
    }
    
     public List<String> filterObjectList(List<String> objLst){
        List<String> mainLst = new List<String>{'Account', 'Asset', 'Campaign', 'Case', 'Contact',
            									'Contract', 'Opportunity', 'Order',
            									'Product', 'Solution', 'User', 'Task', 'Event'};
        Set<String> setObjLst = new Set<String>(objLst);
        setObjLst.retainAll(mainLst);
        return new List<String>(setObjLst);
    }
    
    public List<String> getAllFields(String obj){
        return new List<String>(Schema.getGlobalDescribe().get(obj).getDescribe().fields.getmap().keyset());
    }
    
    public List<String> getRequiredFields(String obj){
        List<String> reqfields = new List<String>();
        for(String fld: Schema.getGlobalDescribe().get(obj).getDescribe().fields.getmap().keyset()){
            if(isRequired(obj, fld)){
                reqfields.add(fld);
            }
		}
        return reqfields;
    }
    
    public List<String> getDefaultFields(String obj){
        if(obj == 'Account'){
            return new List<String>{'Name', 'AccountNumber', 'Phone', 'Rating', 'Type', 'Industry'};
        }else if(obj == 'Asset'){
            return new List<String>{'Name', 'Product2Id', 'Price', 'Quantity', 'AccountId', 'ContactId'};
        }else if(obj == 'Campaign'){
            return new List<String>{'Name', 'isActive', 'Type', 'Status', 'StartDate', 'EndDate'};
        }else if(obj == 'Case'){
            return new List<String>{'CaseNumber', 'OwnerId', 'AccountId', 'ContactId', 'Status', 'Priority', 'Origin'};
        }else if(obj == 'Contact'){
            return new List<String>{'FirstName', 'LastName', 'AccountId', 'Phone', 'Email'};
        }else if(obj == 'Contract'){
            return new List<String>{'AccountId', 'Status', 'StartDate', 'ContractTerm'};
        }else if(obj == 'Lead'){
            return new List<String>{'FirstName', 'LastName', 'Company', 'LeadSource'};
        }else if(obj == 'Opportunity'){
            return new List<String>{'Name', 'Amount', 'Probability', 'StageName', 'CloseDate', 'ForecastCategoryName'};
        }else if(obj == 'Order'){
            return new List<String>{'AccountId', 'ContractId', 'Status', 'EffectiveDate', 'Type'};
        }else if(obj == 'Product'){
            return new List<String>{'Name', 'isActive', 'Family'};
        }else if(obj == 'Solution'){
            return new List<String>{'SolutionName', 'isPublished', 'SolutionNumber', 'Status'};
        }else if(obj == 'User'){
            return new List<String>{'FirstName', 'LastName', 'Alias', 'Email', 'UserName', 'CommunityNickname'};
        }else if(obj == 'Task'){
            return new List<String>{'Subject', 'WhoId', 'WhatId', 'Status', 'ActivityDate', 'Type'};
        }else if(obj == 'Event'){
            return new List<String>{'Subject', 'StartDateTime', 'EndDateTime', 'ActivityDate'};
        }
        else{
            return new List<String>{'Name'};
        }
    }
    
    public Boolean isRequired(String obj, String fld){
        return !Schema.getGlobalDescribe().get(obj).getDescribe().fields.getMap().get(fld).getDescribe().isNillable();
    }
    
    public String getQuery(){
        String s = 'SELECT ' + String.join(getDefaultFields(selectedObj), ', ') + getRelatedQuery() + ' FROM ' + selectedObj;
    	System.debug('QUERY: ' + s);
        return s;
    }
    
    public String getRelatedQuery(){
        if (relatedFldMap == null || relatedFldMap.isEmpty()) return '';
        String qr = ', ';
        for(String s: relatedFldMap.keySet()){
            qr += '( SELECT ';
            if(relatedFldMap.get(s) != null && !relatedFldMap.get(s).isEmpty()){
				qr += String.join(relatedFldMap.get(s), ', ');
            }else{
                qr += 'Name ';
            }
            qr += ' FROM '; 
            qr += s;
            qr += ' ), ';
        }
        qr = qr.removeEnd(', ');
        return qr;
    }
    
    public void show(){
        showRelated = true;
        sObject s = searchRecord(recordId);
        for(String rName: relatedFldMap.keySet()){
			relatedObjLst.put(rlFld.get(rName), (s.getsObjects(rName)!=null)? s.getsObjects(rName): new List<sObject>());
        }
    }
    
    public sObject searchRecord(Id rid){
        for(sObject s: mainObjLst){
            if(s.id == rid){
                return s;
            }
        }
        return null;
    }
    
    public void hide(){
        showRelated = false;
    }
    
    public PageReference deleteRecords(){
        return null;
    }
    
    public PageReference updateRecords(){
        return null;
    }
    
    public void anyMethod()
    {
        System.debug('Function: anyMethod');
        
    }
    
    public class RecordWrapperClass 
    {
        public Boolean isSelected {get;set;}
        public ID anyId {get;set;}
        public RecordWrapperClass(Id anyId, Boolean isSelected) {
            this.anyId = anyId;
            this.isSelected = isSelected;
        }
    }
    
}

However the following similar sample is working fine

VF Page:

<apex:page controller="MyController1" tabStyle="Account">
    <apex:form >
        <apex:pageBlock >
            <apex:pageBlockSection columns="1">
                <apex:pageBlockTable value="{!acc}" var="a">
                    <apex:column value="{!a.Name}"/>
                    <apex:column breakBefore="true" colspan="1">
                        <apex:pageBlock >
                            <apex:pageBlockSection columns="1">
                                <apex:pageBlockTable value="{!con}" var="c">
                                    <apex:column width="5%">
                                        <apex:facet name="header">
                                        	First Name
                                        </apex:facet>
                                        <apex:inputCheckbox >
                                            <apex:actionSupport action="{!method}" event="onchange"/>
                                        </apex:inputCheckbox>
                                    </apex:column>
                                    <apex:column value="{!c.FirstName}"/>
                                </apex:pageBlockTable>
                            </apex:pageBlockSection>
                        </apex:pageBlock>
                    </apex:column>
                </apex:pageBlockTable>
            </apex:pageBlockSection>
        </apex:pageBlock>
    </apex:form>
</apex:page>

Apex Controller:

public class MyController1 {
	
    public List<Account> acc {get;set;}
    public List<Contact> con {get;set;}
    
    public MyController1 (){
	acc = [select name from account];
        con = [Select firstname from contact];
    }
    
    public void method(){
		System.debug('Method Called');
    }
    
}

 

I am  trying to provide the site user Google authentication, so that they can login to the site by there google credentials

The single sign on is working fine when i displayed it on the visualforce page

But when i am displaying the same page as a part of site.com site The page gives me error by clicking on Login

Also since site is public and anybody can access the sites and all i want to do si to register a user through their google account, do I need any user license for this

This is the VF Page and Controller. Please have a look. Thanks

VF Page:

<apex:page controller="MyController" showHeader="false" sidebar="false"> 
         <apex:form > 
                 <apex:pageBlock title="Login Here">
                               <apex:commandButton value="Login" action="{!login}"/> 
                 </apex:pageBlock>
         </apex:form>
</apex:page>

Apex Controller:

public  class MyController {
    public PageReference login(){
        
        return new PageReference('/services/auth/sso/Google_SSO');
    
    }
}

Error:

VF Page:

<apex:page controller="FLSController2">
    <apex:form >
        <apex:pageBlock title="FLS Test" >
            <apex:inlineEditSupport event="onDblClick"/>
            <apex:pageMessages />
            <apex:pageBlockTable value="{!acc}" var="a">
                <apex:column headerValue="Account Name" value="{!a['Name']}" rendered="{!$ObjectType.Account.Fields.Name.Accessible}"/>
                <apex:column headerValue="Phone" value="{!a['Phone']}" rendered="{!$ObjectType.Account.Fields.Phone.Accessible}"/>
                <apex:column headerValue="Industry" value="{!a['Industry']}" rendered="{!$ObjectType.Account.Fields.Industry.Accessible}"/>
                <apex:column headerValue="Rating" value="{!a['Rating']}" rendered="{!$ObjectType.Account.Fields.Rating.Accessible}"/>
                <apex:column headerValue="Type" value="{!a['Type']}" rendered="{!$ObjectType.Account.Fields.Type.Accessible}"/>
            </apex:pageBlockTable>
        </apex:pageBlock>
    </apex:form>
</apex:page>

Apex Controller:

public with sharing class FLSController2 {
	
    public List<Map<String, String>> acc;
    
    public FLSController2(){
       acc = new List<Map<String, String>>();
    }
    
    public List<Map<String, String>> getacc(){
    
    	List<Account> aList = [SELECT Name, Industry, Phone, Rating, Type FROM Account];
        for(Account a: aList){
            Map<String, String> m = new Map<String, String>();
            m.put('Name', a.Name);
            m.put('Industry', a.Industry);
            m.put('Phone', a.Phone);
            m.put('Rating', a.Rating);
            m.put('Type', a.Type);
            acc.add(m);
        }
        return acc;
    }
}

Error:

I have a force.com site where I am using google authentication
The authentication is working fine. I am getting the acess_tokne in json

After this i want to get the basic profile information about the user from google like his name, email, etc

How to use access_token to get this and what url to send request at

Here is what i am using in force.com site

Site URL:
http://bodaciousithub01-developer-edition.ap5.force.com/GoogleAuth

VF Page:

<apex:page controller="GoogleAuthController" showheader="false" sidebar="false">
    <apex:form >
        <apex:pageblock title="Google Authentication">
            <apex:commandButton value="Connect To Google" action="{!connect}"/>
            <apex:commandButton value="Fetch Auth Token" action="{!showtoken}"/>
            <br/><br/>
            {!bodyprint}
        </apex:pageblock>
    </apex:form>
</apex:page>

Apex Controller:

public class GoogleAuthController {
    
    public string authtoken{get;set;}
    public string refereshtoken{get;set;}
    public string bodyprint{get;set;}
    
    //Settings needed on the google cloud console.One can store this securely in custom settings or an object.
    
    public static final string CLIENT_SECRET='ZpH3EjBufPYchj1t97yerzaA'; //Fill as per your registered app settings in google console
    public static final string CLIENT_ID='472650385442-r0gt7rpvg4f54ao65hiq5m2so4afrs3p.apps.googleusercontent.com'; //Fill as per your registered app settings in google console
    public static final string REDIRECT_URL='https://bodaciousithub01-developer-edition.ap5.force.com/GoogleAuth';
    
    public static final string OAUTH_TOKEN_URL='https://accounts.google.com/o/oauth2/token';
    public static final string OAUTH_CODE_END_POINT_URL='https://accounts.google.com/o/oauth2/auth';
    
    public static final string GRANT_TYPE='grant_type=authorization_code';
    
    //Scope URL as per oauth 2.0 guide of the google 
    public static final string SCOPE='https://www.googleapis.com/auth/userinfo.email https://www.googleapis.com/auth/userinfo.profile';
    public static final string STATE='/profile';
    
    //Approval Prompt Constant
    public static final string APPROVAL_PROMPT='force';

    public pagereference connect(){
        
        String x=OAUTH_CODE_END_POINT_URL+'?scope='+EncodingUtil.urlEncode(SCOPE,'UTF-8')+'&state='+EncodingUtil.urlEncode(STATE,'UTF-8')+'&redirect_uri='+EncodingUtil.urlEncode(REDIRECT_URL,'UTF-8')+'&response_type=code&client_id='+CLIENT_ID+'&approval_prompt='+APPROVAL_PROMPT;
        System.debug(x);
        pagereference p=new pagereference(x);
        return p;
        
    }
    
    public pagereference showtoken(){
        
        String codeparam=apexpages.currentpage().getparameters().get('code');
        
        System.debug('codeparam: ' + codeparam);
        
        // Instantiate a new http object
        Http h = new Http();
        
        String body='code='+codeparam+'&client_id='+CLIENT_ID+'&client_secret='+CLIENT_SECRET+'&redirect_uri='+REDIRECT_URL+'&'+GRANT_TYPE;
        
        // Instantiate a new HTTP request, specify the method (GET) as well as the endpoint
        HttpRequest req = new HttpRequest();
        req.setEndpoint(OAUTH_TOKEN_URL);
        req.setHeader('Content-Type','application/x-www-form-urlencoded');
        req.setMethod('POST');
        req.setBody(body);
        
        system.debug('REQUEST BODY'+body);
        
        // Send the request, and return a response
        HttpResponse res = h.send(req);
        
        System.debug('body'+res.getbody());
        
        bodyprint=res.getbody();
        
        return null;
        
    }
}

 

VF Page:

<apex:page controller="FLSController2">
    <apex:form >
        <apex:pageBlock title="FLS Test" >
            <apex:inlineEditSupport event="onDblClick"/>
            <apex:pageMessages />
            <apex:pageBlockTable value="{!acc}" var="a">
                <apex:column headerValue="Account Name" value="{!a['Name']}" rendered="{!$ObjectType.Account.Fields.Name.Accessible}"/>
                <apex:column headerValue="Phone" value="{!a['Phone']}" rendered="{!$ObjectType.Account.Fields.Phone.Accessible}"/>
                <apex:column headerValue="Industry" value="{!a['Industry']}" rendered="{!$ObjectType.Account.Fields.Industry.Accessible}"/>
                <apex:column headerValue="Rating" value="{!a['Rating']}" rendered="{!$ObjectType.Account.Fields.Rating.Accessible}"/>
                <apex:column headerValue="Type" value="{!a['Type']}" rendered="{!$ObjectType.Account.Fields.Type.Accessible}"/>
            </apex:pageBlockTable>
        </apex:pageBlock>
    </apex:form>
</apex:page>

Apex Controller:

public with sharing class FLSController2 {
	
    public List<Map<String, String>> acc;
    
    public FLSController2(){
       acc = new List<Map<String, String>>();
    }
    
    public List<Map<String, String>> getacc(){
    
    	List<Account> aList = [SELECT Name, Industry, Phone, Rating, Type FROM Account];
        for(Account a: aList){
            Map<String, String> m = new Map<String, String>();
            m.put('Name', a.Name);
            m.put('Industry', a.Industry);
            m.put('Phone', a.Phone);
            m.put('Rating', a.Rating);
            m.put('Type', a.Type);
            acc.add(m);
        }
        return acc;
    }
}

Error: