Hi Team,

Is there any way to get graphical approval process or approval diagram for approval process in lightning experience. This feature is available for classic but i cant find this feature for lightning experience, are there any supported apps in app exchange for flow charts/graphical approval process.

Hi I am creating a component to add and delete row and every thing is working fine but getting this popup on page.sorry to interupt cannot read nodetype undefined.

In how many ways a salesforce classic app be migrated to lightning app?

one way is from "appmanager" upgrade the classic app, I just wanted to know is there any other way to migrate a classic app to lightning?

Hi abu here,

Kindly help me out with the following scenario. I am trying to pass id to the second component,for this i have created a component event and registered it in "FeedBackComponent", here once id is generated through event id will get stored in attribute present in event.Afetr that i have handled event in "FiveStarRating" but id is not passing.Kindly help me with this scenarion.

 FeedBackComponent.Cmp

<aura:component controller="FeedBackController" implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,force:lightningQuickAction" access="global" >
    
    <aura:attribute name ="feedbackname" type="Customer_Review__c" default="{'sobjectType':'Customer_Review__c'}" /> 
    <aura:attribute name="ObjectName" type="String" default="Customer_Review__c" access="global"/> <!-- Object Name as String-->
    <aura:attribute name="Salutation" type="String" default="Salutation__c" access="global"/>
    <aura:attribute name="Occupation" type="String" default="Occupation__c" access="global"/>
    <aura:attribute name="mailprovider" type="String" default="mail_Provider__c" access="global"/> 
    <aura:attribute name="idholder" type="String"/>
    <aura:attribute name="SalutationPicklist" type="String[]" />
    <aura:attribute name="OccupationPicklist" type="String[]" />
    <aura:attribute name="mailproviderPicklist" type="String[]" />
    <aura:registerEvent name="getId" type="c:GetIdFromCustomerReview"/>
     <aura:handler   name ="init" value="{!this}" action="{!c.doInit}"/>
    <div class="slds-p-around_x-small form-cls">
        <div class="demo-only demo-only--sizing slds-grid slds-wrap slds-grid_align-space slds-box">
            <div class="slds-col slds-size_1-of-2 slds-p-horizontal_medium">
                <lightning:select label="Salutation" value="{!v.feedbackname.Salutation__c}">
                    <aura:iteration items="{!v.SalutationPicklist}" var="val">
                        <option value="{!val}"> {!val}</option>
                    </aura:iteration>
                </lightning:select>
            </div>
            
            <div class="slds-col slds-size_1-of-2 slds-p-horizontal_medium">
                <lightning:input label="FirstName"  value="{!v.feedbackname.Name}"/> 
            </div>
            <div class="slds-col slds-size_1-of-1 slds-p-horizontal_medium">
                <lightning:select label="Occupation" value="{!v.feedbackname.Occupation__c}">
                    <aura:iteration items="{!v.OccupationPicklist}" var="val">
                        <option value="{!val}"> {!val}</option>
                    </aura:iteration>
                </lightning:select>
            </div>
            <div class="slds-col slds-size_1-of-1 slds-p-horizontal_medium">
                <lightning:input label="PhoneNumber" value="{!v.feedbackname.Phone_Number__c}" />
            </div>
            <div class="slds-col slds-size_1-of-2 slds-p-horizontal_medium">
                <lightning:input label="Email" value="{!v.feedbackname.Email__c}"/>
            </div>
            <div class="slds-col slds-size_1-of-2 slds-p-horizontal_medium">
                <lightning:select label="" value="{!v.feedbackname.mail_Provider__c}">
                    <aura:iteration items="{!v.mailproviderPicklist}" var="val">
                        <option value="{!val}"> {!val}</option>
                    </aura:iteration>
                </lightning:select>
            </div>
            <div class="slds-col slds-size_1-of-1 slds-p-horizontal_medium">
                <lightning:textarea  label="Suggestions" value ="{!v.feedbackname.Suggestions__c}" placeholder="type here..." required="true"/>
            </div>
            <div>
                <lightning:button variant="success" label="Submit" onclick="{!c.customerCreation }"/>
            </div> 
        </div>       
    </div>
</aura:component>

FeedBackComponentController:
({
    doInit : function(component, event, helper) {
        helper.SalutationPicklist(component); // fetches PickList Values of Salutation Field
        helper.OccupationPicklist(component); // fetches PickList Values of Occupation Field
        helper.mailproviderPicklist(component); // fetches PickList Values of mailprovider Field
        
    },
    customerCreation: function(component,event) {
        var accvar = component.get("v.feedbackname");
        var action = component.get("c.customerInsertion");
        var cmpEvent = component.getEvent("getId");
        //setting Apex Parameters.
        action.setParams({customer : accvar});
        //setting the Callback
        action.setCallback(this,function(a){
            //get the response state
             var res = a.getState();
                if(res === 'SUCCESS'){
                    var name = a.getReturnValue();
                    component.set('v.idholder',name)
                    console.log('show message' + name);
                    alert('Record is Created Successfully'+ name);
                }
            else if(res === 'ERROR'){
                alert('Error in calling ');
            }
                    
        cmpEvent.setParams({
           "holdid"  : component.get('v.idholder')
             });
            console.log('mike'+component.get('v.idholder'));
        cmpEvent.fire();

        });
        $A.enqueueAction(action);
    }
   
})

<---------------------------SECOND COMPONENT------------------------------>

FiveStarRating.cmp

<aura:component controller="OpportunityRatingController">
    <ltng:require styles="/resource/RatingPlugin/css/jquery.raty.css, 
                          /resource/RatingPlugin/css/salesforce-lightning-design-system-ltng.css"
                  scripts="/resource/RatingPlugin/js/jquery.js, /resource/RatingPlugin/js/jquery.raty.js"
                  afterScriptsLoaded="{!c.change}"/>
      <aura:attribute type="ID" name="recordId"/>
    <aura:attribute type="Integer" name="currentRating"/>
    <aura:attribute type="Integer" name="newRating" default="0"/>
    <aura:handler name="getid" event="c:GetIdFromCustomerReview" action="{!c.handleComponentEvent}"/>
    <div class="slds">
        <div class="slds-card">
            <div class="slds-card__header slds-grid">
                <div class="slds-media slds-media--center slds-has-flexi-truncate">
                    <div class="slds-media__figure">
                        <div class="slds-icon__container">
                            <img src="/resource/RatingPlugin/images/custom9_60.png" class="slds-icon  slds-icon--small"/>
                        </div>
                    </div>
                    <div class="slds-media__body">
                        <h2 class="slds-text-heading--small slds-truncate">How much do you rate this Opportunity?</h2>
                    </div>
                </div>
            </div>
            <div class="slds-card__body">
                <div class="loading-div">
                    <div class="slds-spinner--small">
                       <img src="/resource/RatingPlugin/images/slds_spinner_brand.gif" alt="Loading..."/>
                    </div>
                </div> 
                <div aura:id="starRating" class="star-rating"></div> 
            </div> 
            <div class="slds-card__footer">
                <div class="footer-contents">
                    <div style="display: inline-block;">
                        Current Rating: <span aura:id="rating">{!v.currentRating}&nbsp;star</span>
                    </div>
                </div>
            </div>
        </div>
    </div>
</aura:component>

js:
({
    change : function(component, event, helper) {
        console.log('Testing'+ component.get("v.recordId"));
        // load raty rating plugin.
        var ratingElement = component.find("starRating").getElement();
        helper.loadRatingElement( component, helper, ratingElement );
        
        // Get current rating for Opportunity
        var action = component.get("c.getOpportunityCurrentRating");
        action.setParams({
            recordId : component.get("v.recordId")
        });
        action.setCallback(this, function( response ){
            // update current rating attribute and set raty with current rating.
            component.set("v.currentRating", response.getReturnValue());
            $(ratingElement).raty('set', { score: response.getReturnValue() });
            $(".star-rating, .loading-div, .footer-contents").toggle();
        });
        $A.enqueueAction(action);
    },
    handleComponentEvent : function(component, event, helper) {
        console.log('Testing'+ component.get("v.recordId"));
        var getcaseid = event.getParam("holdid");
       component.set("v.recordId" , getcaseid); 
   
        
    }
})

helper:
({
    loadRatingElement: function(component, helper, ratingElement){
        $( ratingElement ).raty({
            starOff  : '/resource/RatingPlugin/images/star_off_darkgray.png',
            starOn   : '/resource/RatingPlugin/images/star_on.png',
            click: function(score, evt) {
                if(score == null ) score = 0;
                if(component.get("v.currentRating") != score ){
                    var result = confirm('Click OK button to confirm update Rating.');
                    if( result ){
                        component.set("v.newRating", score);
                        $(".star-rating, .loading-div, .footer-contents").toggle();
                        helper.updateRating( component,event );
                    }else{
                        return false;
                    }
                } 
            }
        });
    },
    updateRating : function( component,event ){
        console.log('Processing'+component.get("v.recordId"));
        // update Opportunity record with new rating.
        var action = component.get("c.updateOpportunityRating");
        action.setParams({
            recordId : component.get("v.recordId"),
            rating : component.get("v.newRating")
        });
        action.setCallback(this, function( response ){
            alert('Great! You have given new rating to this Opportunity.');
            component.set( "v.currentRating", component.get("v.newRating") );
            $(".star-rating, .loading-div, .footer-contents").toggle();
        });
        $A.enqueueAction(action);
    }
})

Server Controller:

public class OpportunityRatingController {
    // Used to get Opportunity's current rating.
    // Params: recordId - Opportunity record id.
    @AuraEnabled
    public static Integer getOpportunityCurrentRating( Id recordId ){
        Customer_Review__c oppRecord = [SELECT Id,Review__c from Customer_Review__c WHERE Id=:recordId];
        return oppRecord.Review__c != null ? Integer.valueOf( oppRecord.Review__c )  : 0;
    }
 
    // Used to update Opportunity record with new rating.
    // Params: { recordId: Opportunity record id, rating: new rating for this opportunity }
    @AuraEnabled
    public static String updateOpportunityRating(Id recordId, Decimal rating ){
        update new Customer_Review__c( id=recordId, Review__c= rating);
        return 'SUCCESS';
    }
}

Hi I am getting this error when i call one component from another component by clicking on the button.

Comp2CompNav:

<aura:component implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction,lightning:isUrlAddressable" description="c:Comp2CompNav component" access="global" >
    <aura:attribute name="firstname" type="String" />
    <aura:handler name="init" value="{!this}" action="{!c.doinit}"/>
    Hello {!v.firstname}.
</aura:component>    

js: 
({
    doinit: function(cmp, evt, helper) {
        var myPageRef = cmp.get("v.pageReference");
        var firstname = myPageRef.state.c__firstname;
        console.log('Check value with new way of fetching: '+firstname);
        cmp.set("v.firstname", firstname);
    }
})


Comp2CompNav2:
From this component I am calling another Component.

<aura:component implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction" description="c:Comp2CompNav2 component" access="global" >
    
    <aura:attribute name="pageReference" type="Object"/>
    <aura:handler name="init" value="{!this}" action="{!c.doinit }"/>
    <lightning:navigation aura:id="navService"/>
    <lightning:button label="Navigate" onclick="{!c.handleClick}"/>
</aura:component>    


js:

({
    doinit : function(component, event, helper) {
        var pageReference = {
            type: 'standard__component',
            attributes: {
                componentName: 'c__Comp2CompNav',
            },
            state: {
                "c__firstname": "John"
            }
        };
        component.set("v.pageReference", pageReference);
     },
     handleClick: function(component, event, helper) {
        var navService = component.find("navService");
        var pageReference = component.get("v.pageReference");
       // event.preventDefault();
        navService.navigate(pageReference);
    }
})

I am trying to pull picklist values in to my component using schema and its methods. I am getting all the values through server controller, but in my component labels are not populating but it is showing picklist structure.

Lightning Component:

<aura:component controller="PickListController" implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction" access="global" >
    <aura:attribute name="aname" type="Account" default="{'sObjectType':'Account'}"/>
    <aura:attribute name="picvalue" type="List"/>
   <aura:handler name="init" value="{!this}" action="{!c.doInit}" /> 
        <lightning:input label="Enter Your Name: " value="{!v.aname.Name}"/>
        <lightning:input label="Phone Number: " value="{!v.aname.Phone}"/>
       <lightning:select value="{!v.aname.Rating}" label="Rating">       
            <option value="choose">Choose one...</option> 
            <aura:iteration items="{!v.picvalue}" var="s">
                <option value="{!s.value}"/>             
            </aura:iteration> 
        </lightning:select> 
    <lightning:button label="Submit" onclick="{!c.go}"/>
</aura:component>

Js:

({
    doInit : function(component) {        
        var pickvar = component.get("c.getPickListValuesIntoList");
        pickvar.setCallback(this, function(response) {
            var state = response.getState();
            if(state === 'SUCCESS'){
                var list = response.getReturnValue();
                component.set("v.picvalue", list);
            }
            else if(state === 'ERROR'){
                //var list = response.getReturnValue();
                //component.set("v.picvalue", list);
                alert('ERROR OCCURED.');
            }
        })
        $A.enqueueAction(pickvar);
    },
    go : function(component){
        var cvar = component.get("v.aname");
        var action = component.get("c.insertValues");
        action.setParams({acc: cvar});
        action.setCallback(this, function(response) {
            var state = response.getState();
            if(state === 'SUCCESS'){
            var list1 = response.getReturnValue();
            //component.set("v.picklistValues", list);
            alert('Record Created Successfully '+list1);
            }
            else if(state === 'INCOMPLETE'){
                alert('Something is missing');   
            }
            else if(state === 'ERROR'){
                alert('Insertion Failed');   
            }
        })
        $A.enqueueAction(action);
    }
})

Server Controller:

public class PickListController {
    @AuraEnabled        
    public static List<String> getPickListValuesIntoList(){
        List<String> pickListValuesList = new List<String>();
        Schema.DescribeFieldResult fieldResult = Account.Rating.getDescribe();
        List<Schema.PicklistEntry> ple = fieldResult.getPicklistValues();
        for( Schema.PicklistEntry pickListVal : ple){
            pickListValuesList.add(pickListVal.getLabel());
            System.debug('Values in Rating are: '+pickListValuesList);
        }     
        return pickListValuesList;
    }
    @AuraEnabled        
    public static Id insertValues(Account acc){
        insert acc;   
        return acc.id;
    }
}

I am learning Lightning:Data service from trailhead. I was trying to execute this lightning component but getting this error. kindly me help me with the program.
Component:
<aura:component implements="flexipage:availableForRecordHome, force:hasRecordId"> <!--inherit recordId attribute-->
<aura:attribute name="record" type="Object" />
<aura:attribute name="simpleRecord" type="Object" />
<aura:attribute name="recordError" type="String" />
<force:recordData aura:id="recordEditor"
    layoutType="FULL"
    recordId="{!v.recordId}"
    targetError="{!v.recordError}"
    targetRecord="{!v.record}"
    targetFields ="{!v.simpleRecord}"
    mode="EDIT" />
    <!-- Display a lightning card with details about the record -->
    <div class="Record Details"> 
        <lightning:card iconName="standard:account" title="{!v.simpleRecord.Name}" >
            <div class="slds-p-horizontal--small">
                <p class="slds-text-heading--small">
                    <lightning:formattedText title="Billing State" value="{!v.simpleRecord.BillingState}" /></p>
                <p class="slds-text-heading--small">
                     <lightning:formattedText title="Billing City" value="{!v.simpleRecord.BillingCity}" /></p>
            </div>
        </lightning:card>
    </div>
    <br/>
    <!-- Display an editing form -->
    <div class="Record Details">
        <lightning:card iconName="action:edit" title="Edit Account">
            <div class="slds-p-horizontal--small">
                <lightning:input label="Account Name" value="{!v.simpleRecord.Name}"/>
                <br/>
                <lightning:button label="Save Account" variant="brand" onclick="{!c.handleSaveRecord}" />
            </div>
        </lightning:card>
    </div>
    <!-- Display Lightning Data Service errors, if any -->
    <aura:if isTrue="{!not(empty(v.recordError))}">
        <div class="recordError">
            {!v.recordError}</div>
    </aura:if>
</aura:component>

Client-Controller:
({
    handleSaveRecord: function(component, event, helper) {  
        component.find("recordEditor").saveRecord($A.getCallback(function(saveResult) {
            if (saveResult.state === "SUCCESS" || saveResult.state === "DRAFT") {
                console.log("Save completed successfully.");
            } else if (saveResult.state === "INCOMPLETE") {
                console.log("User is offline, device doesn't support drafts.");
            } else if (saveResult.state === "ERROR") {
                console.log('Problem saving record, error: ' + 
                           JSON.stringify(saveResult.error));
            } else {
                console.log('Unknown problem, state: ' + saveResult.state + ', error: ' + JSON.stringify(saveResult.error));
            }
        }));}
})

Here is the Error I am getting.

I am trying to pull picklist values in to my component using schema and its methods. I am getting all the values through server controller, but in my component labels are not populating but it is showing picklist structure.

Lightning Component:

<aura:component controller="PickListController" implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction" access="global" >
    <aura:attribute name="aname" type="Account" default="{'sObjectType':'Account'}"/>
    <aura:attribute name="picvalue" type="List"/>
   <aura:handler name="init" value="{!this}" action="{!c.doInit}" /> 
        <lightning:input label="Enter Your Name: " value="{!v.aname.Name}"/>
        <lightning:input label="Phone Number: " value="{!v.aname.Phone}"/>
       <lightning:select value="{!v.aname.Rating}" label="Rating">       
            <option value="choose">Choose one...</option> 
            <aura:iteration items="{!v.picvalue}" var="s">
                <option value="{!s.value}"/>             
            </aura:iteration> 
        </lightning:select> 
    <lightning:button label="Submit" onclick="{!c.go}"/>
</aura:component>

Js:

({
    doInit : function(component) {        
        var pickvar = component.get("c.getPickListValuesIntoList");
        pickvar.setCallback(this, function(response) {
            var state = response.getState();
            if(state === 'SUCCESS'){
                var list = response.getReturnValue();
                component.set("v.picvalue", list);
            }
            else if(state === 'ERROR'){
                //var list = response.getReturnValue();
                //component.set("v.picvalue", list);
                alert('ERROR OCCURED.');
            }
        })
        $A.enqueueAction(pickvar);
    },
    go : function(component){
        var cvar = component.get("v.aname");
        var action = component.get("c.insertValues");
        action.setParams({acc: cvar});
        action.setCallback(this, function(response) {
            var state = response.getState();
            if(state === 'SUCCESS'){
            var list1 = response.getReturnValue();
            //component.set("v.picklistValues", list);
            alert('Record Created Successfully '+list1);
            }
            else if(state === 'INCOMPLETE'){
                alert('Something is missing');   
            }
            else if(state === 'ERROR'){
                alert('Insertion Failed');   
            }
        })
        $A.enqueueAction(action);
    }
})

Server Controller:

public class PickListController {
    @AuraEnabled        
    public static List<String> getPickListValuesIntoList(){
        List<String> pickListValuesList = new List<String>();
        Schema.DescribeFieldResult fieldResult = Account.Rating.getDescribe();
        List<Schema.PicklistEntry> ple = fieldResult.getPicklistValues();
        for( Schema.PicklistEntry pickListVal : ple){
            pickListValuesList.add(pickListVal.getLabel());
            System.debug('Values in Rating are: '+pickListValuesList);
        }     
        return pickListValuesList;
    }
    @AuraEnabled        
    public static Id insertValues(Account acc){
        insert acc;   
        return acc.id;
    }
}

Hi abu here,

Kindly help me out with the following scenario. I am trying to pass id to the second component,for this i have created a component event and registered it in "FeedBackComponent", here once id is generated through event id will get stored in attribute present in event.Afetr that i have handled event in "FiveStarRating" but id is not passing.Kindly help me with this scenarion.

 FeedBackComponent.Cmp

<aura:component controller="FeedBackController" implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,force:lightningQuickAction" access="global" >
    
    <aura:attribute name ="feedbackname" type="Customer_Review__c" default="{'sobjectType':'Customer_Review__c'}" /> 
    <aura:attribute name="ObjectName" type="String" default="Customer_Review__c" access="global"/> <!-- Object Name as String-->
    <aura:attribute name="Salutation" type="String" default="Salutation__c" access="global"/>
    <aura:attribute name="Occupation" type="String" default="Occupation__c" access="global"/>
    <aura:attribute name="mailprovider" type="String" default="mail_Provider__c" access="global"/> 
    <aura:attribute name="idholder" type="String"/>
    <aura:attribute name="SalutationPicklist" type="String[]" />
    <aura:attribute name="OccupationPicklist" type="String[]" />
    <aura:attribute name="mailproviderPicklist" type="String[]" />
    <aura:registerEvent name="getId" type="c:GetIdFromCustomerReview"/>
     <aura:handler   name ="init" value="{!this}" action="{!c.doInit}"/>
    <div class="slds-p-around_x-small form-cls">
        <div class="demo-only demo-only--sizing slds-grid slds-wrap slds-grid_align-space slds-box">
            <div class="slds-col slds-size_1-of-2 slds-p-horizontal_medium">
                <lightning:select label="Salutation" value="{!v.feedbackname.Salutation__c}">
                    <aura:iteration items="{!v.SalutationPicklist}" var="val">
                        <option value="{!val}"> {!val}</option>
                    </aura:iteration>
                </lightning:select>
            </div>
            
            <div class="slds-col slds-size_1-of-2 slds-p-horizontal_medium">
                <lightning:input label="FirstName"  value="{!v.feedbackname.Name}"/> 
            </div>
            <div class="slds-col slds-size_1-of-1 slds-p-horizontal_medium">
                <lightning:select label="Occupation" value="{!v.feedbackname.Occupation__c}">
                    <aura:iteration items="{!v.OccupationPicklist}" var="val">
                        <option value="{!val}"> {!val}</option>
                    </aura:iteration>
                </lightning:select>
            </div>
            <div class="slds-col slds-size_1-of-1 slds-p-horizontal_medium">
                <lightning:input label="PhoneNumber" value="{!v.feedbackname.Phone_Number__c}" />
            </div>
            <div class="slds-col slds-size_1-of-2 slds-p-horizontal_medium">
                <lightning:input label="Email" value="{!v.feedbackname.Email__c}"/>
            </div>
            <div class="slds-col slds-size_1-of-2 slds-p-horizontal_medium">
                <lightning:select label="" value="{!v.feedbackname.mail_Provider__c}">
                    <aura:iteration items="{!v.mailproviderPicklist}" var="val">
                        <option value="{!val}"> {!val}</option>
                    </aura:iteration>
                </lightning:select>
            </div>
            <div class="slds-col slds-size_1-of-1 slds-p-horizontal_medium">
                <lightning:textarea  label="Suggestions" value ="{!v.feedbackname.Suggestions__c}" placeholder="type here..." required="true"/>
            </div>
            <div>
                <lightning:button variant="success" label="Submit" onclick="{!c.customerCreation }"/>
            </div> 
        </div>       
    </div>
</aura:component>

FeedBackComponentController:
({
    doInit : function(component, event, helper) {
        helper.SalutationPicklist(component); // fetches PickList Values of Salutation Field
        helper.OccupationPicklist(component); // fetches PickList Values of Occupation Field
        helper.mailproviderPicklist(component); // fetches PickList Values of mailprovider Field
        
    },
    customerCreation: function(component,event) {
        var accvar = component.get("v.feedbackname");
        var action = component.get("c.customerInsertion");
        var cmpEvent = component.getEvent("getId");
        //setting Apex Parameters.
        action.setParams({customer : accvar});
        //setting the Callback
        action.setCallback(this,function(a){
            //get the response state
             var res = a.getState();
                if(res === 'SUCCESS'){
                    var name = a.getReturnValue();
                    component.set('v.idholder',name)
                    console.log('show message' + name);
                    alert('Record is Created Successfully'+ name);
                }
            else if(res === 'ERROR'){
                alert('Error in calling ');
            }
                    
        cmpEvent.setParams({
           "holdid"  : component.get('v.idholder')
             });
            console.log('mike'+component.get('v.idholder'));
        cmpEvent.fire();

        });
        $A.enqueueAction(action);
    }
   
})

<---------------------------SECOND COMPONENT------------------------------>

FiveStarRating.cmp

<aura:component controller="OpportunityRatingController">
    <ltng:require styles="/resource/RatingPlugin/css/jquery.raty.css, 
                          /resource/RatingPlugin/css/salesforce-lightning-design-system-ltng.css"
                  scripts="/resource/RatingPlugin/js/jquery.js, /resource/RatingPlugin/js/jquery.raty.js"
                  afterScriptsLoaded="{!c.change}"/>
      <aura:attribute type="ID" name="recordId"/>
    <aura:attribute type="Integer" name="currentRating"/>
    <aura:attribute type="Integer" name="newRating" default="0"/>
    <aura:handler name="getid" event="c:GetIdFromCustomerReview" action="{!c.handleComponentEvent}"/>
    <div class="slds">
        <div class="slds-card">
            <div class="slds-card__header slds-grid">
                <div class="slds-media slds-media--center slds-has-flexi-truncate">
                    <div class="slds-media__figure">
                        <div class="slds-icon__container">
                            <img src="/resource/RatingPlugin/images/custom9_60.png" class="slds-icon  slds-icon--small"/>
                        </div>
                    </div>
                    <div class="slds-media__body">
                        <h2 class="slds-text-heading--small slds-truncate">How much do you rate this Opportunity?</h2>
                    </div>
                </div>
            </div>
            <div class="slds-card__body">
                <div class="loading-div">
                    <div class="slds-spinner--small">
                       <img src="/resource/RatingPlugin/images/slds_spinner_brand.gif" alt="Loading..."/>
                    </div>
                </div> 
                <div aura:id="starRating" class="star-rating"></div> 
            </div> 
            <div class="slds-card__footer">
                <div class="footer-contents">
                    <div style="display: inline-block;">
                        Current Rating: <span aura:id="rating">{!v.currentRating}&nbsp;star</span>
                    </div>
                </div>
            </div>
        </div>
    </div>
</aura:component>

js:
({
    change : function(component, event, helper) {
        console.log('Testing'+ component.get("v.recordId"));
        // load raty rating plugin.
        var ratingElement = component.find("starRating").getElement();
        helper.loadRatingElement( component, helper, ratingElement );
        
        // Get current rating for Opportunity
        var action = component.get("c.getOpportunityCurrentRating");
        action.setParams({
            recordId : component.get("v.recordId")
        });
        action.setCallback(this, function( response ){
            // update current rating attribute and set raty with current rating.
            component.set("v.currentRating", response.getReturnValue());
            $(ratingElement).raty('set', { score: response.getReturnValue() });
            $(".star-rating, .loading-div, .footer-contents").toggle();
        });
        $A.enqueueAction(action);
    },
    handleComponentEvent : function(component, event, helper) {
        console.log('Testing'+ component.get("v.recordId"));
        var getcaseid = event.getParam("holdid");
       component.set("v.recordId" , getcaseid); 
   
        
    }
})

helper:
({
    loadRatingElement: function(component, helper, ratingElement){
        $( ratingElement ).raty({
            starOff  : '/resource/RatingPlugin/images/star_off_darkgray.png',
            starOn   : '/resource/RatingPlugin/images/star_on.png',
            click: function(score, evt) {
                if(score == null ) score = 0;
                if(component.get("v.currentRating") != score ){
                    var result = confirm('Click OK button to confirm update Rating.');
                    if( result ){
                        component.set("v.newRating", score);
                        $(".star-rating, .loading-div, .footer-contents").toggle();
                        helper.updateRating( component,event );
                    }else{
                        return false;
                    }
                } 
            }
        });
    },
    updateRating : function( component,event ){
        console.log('Processing'+component.get("v.recordId"));
        // update Opportunity record with new rating.
        var action = component.get("c.updateOpportunityRating");
        action.setParams({
            recordId : component.get("v.recordId"),
            rating : component.get("v.newRating")
        });
        action.setCallback(this, function( response ){
            alert('Great! You have given new rating to this Opportunity.');
            component.set( "v.currentRating", component.get("v.newRating") );
            $(".star-rating, .loading-div, .footer-contents").toggle();
        });
        $A.enqueueAction(action);
    }
})

Server Controller:

public class OpportunityRatingController {
    // Used to get Opportunity's current rating.
    // Params: recordId - Opportunity record id.
    @AuraEnabled
    public static Integer getOpportunityCurrentRating( Id recordId ){
        Customer_Review__c oppRecord = [SELECT Id,Review__c from Customer_Review__c WHERE Id=:recordId];
        return oppRecord.Review__c != null ? Integer.valueOf( oppRecord.Review__c )  : 0;
    }
 
    // Used to update Opportunity record with new rating.
    // Params: { recordId: Opportunity record id, rating: new rating for this opportunity }
    @AuraEnabled
    public static String updateOpportunityRating(Id recordId, Decimal rating ){
        update new Customer_Review__c( id=recordId, Review__c= rating);
        return 'SUCCESS';
    }
}

Hi I am getting this error when i call one component from another component by clicking on the button.

Comp2CompNav:

<aura:component implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction,lightning:isUrlAddressable" description="c:Comp2CompNav component" access="global" >
    <aura:attribute name="firstname" type="String" />
    <aura:handler name="init" value="{!this}" action="{!c.doinit}"/>
    Hello {!v.firstname}.
</aura:component>    

js: 
({
    doinit: function(cmp, evt, helper) {
        var myPageRef = cmp.get("v.pageReference");
        var firstname = myPageRef.state.c__firstname;
        console.log('Check value with new way of fetching: '+firstname);
        cmp.set("v.firstname", firstname);
    }
})


Comp2CompNav2:
From this component I am calling another Component.

<aura:component implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction" description="c:Comp2CompNav2 component" access="global" >
    
    <aura:attribute name="pageReference" type="Object"/>
    <aura:handler name="init" value="{!this}" action="{!c.doinit }"/>
    <lightning:navigation aura:id="navService"/>
    <lightning:button label="Navigate" onclick="{!c.handleClick}"/>
</aura:component>    


js:

({
    doinit : function(component, event, helper) {
        var pageReference = {
            type: 'standard__component',
            attributes: {
                componentName: 'c__Comp2CompNav',
            },
            state: {
                "c__firstname": "John"
            }
        };
        component.set("v.pageReference", pageReference);
     },
     handleClick: function(component, event, helper) {
        var navService = component.find("navService");
        var pageReference = component.get("v.pageReference");
       // event.preventDefault();
        navService.navigate(pageReference);
    }
})

I am trying to pull picklist values in to my component using schema and its methods. I am getting all the values through server controller, but in my component labels are not populating but it is showing picklist structure.

Lightning Component:

<aura:component controller="PickListController" implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction" access="global" >
    <aura:attribute name="aname" type="Account" default="{'sObjectType':'Account'}"/>
    <aura:attribute name="picvalue" type="List"/>
   <aura:handler name="init" value="{!this}" action="{!c.doInit}" /> 
        <lightning:input label="Enter Your Name: " value="{!v.aname.Name}"/>
        <lightning:input label="Phone Number: " value="{!v.aname.Phone}"/>
       <lightning:select value="{!v.aname.Rating}" label="Rating">       
            <option value="choose">Choose one...</option> 
            <aura:iteration items="{!v.picvalue}" var="s">
                <option value="{!s.value}"/>             
            </aura:iteration> 
        </lightning:select> 
    <lightning:button label="Submit" onclick="{!c.go}"/>
</aura:component>

Js:

({
    doInit : function(component) {        
        var pickvar = component.get("c.getPickListValuesIntoList");
        pickvar.setCallback(this, function(response) {
            var state = response.getState();
            if(state === 'SUCCESS'){
                var list = response.getReturnValue();
                component.set("v.picvalue", list);
            }
            else if(state === 'ERROR'){
                //var list = response.getReturnValue();
                //component.set("v.picvalue", list);
                alert('ERROR OCCURED.');
            }
        })
        $A.enqueueAction(pickvar);
    },
    go : function(component){
        var cvar = component.get("v.aname");
        var action = component.get("c.insertValues");
        action.setParams({acc: cvar});
        action.setCallback(this, function(response) {
            var state = response.getState();
            if(state === 'SUCCESS'){
            var list1 = response.getReturnValue();
            //component.set("v.picklistValues", list);
            alert('Record Created Successfully '+list1);
            }
            else if(state === 'INCOMPLETE'){
                alert('Something is missing');   
            }
            else if(state === 'ERROR'){
                alert('Insertion Failed');   
            }
        })
        $A.enqueueAction(action);
    }
})

Server Controller:

public class PickListController {
    @AuraEnabled        
    public static List<String> getPickListValuesIntoList(){
        List<String> pickListValuesList = new List<String>();
        Schema.DescribeFieldResult fieldResult = Account.Rating.getDescribe();
        List<Schema.PicklistEntry> ple = fieldResult.getPicklistValues();
        for( Schema.PicklistEntry pickListVal : ple){
            pickListValuesList.add(pickListVal.getLabel());
            System.debug('Values in Rating are: '+pickListValuesList);
        }     
        return pickListValuesList;
    }
    @AuraEnabled        
    public static Id insertValues(Account acc){
        insert acc;   
        return acc.id;
    }
}

I am learning Lightning:Data service from trailhead. I was trying to execute this lightning component but getting this error. kindly me help me with the program.
Component:
<aura:component implements="flexipage:availableForRecordHome, force:hasRecordId"> <!--inherit recordId attribute-->
<aura:attribute name="record" type="Object" />
<aura:attribute name="simpleRecord" type="Object" />
<aura:attribute name="recordError" type="String" />
<force:recordData aura:id="recordEditor"
    layoutType="FULL"
    recordId="{!v.recordId}"
    targetError="{!v.recordError}"
    targetRecord="{!v.record}"
    targetFields ="{!v.simpleRecord}"
    mode="EDIT" />
    <!-- Display a lightning card with details about the record -->
    <div class="Record Details"> 
        <lightning:card iconName="standard:account" title="{!v.simpleRecord.Name}" >
            <div class="slds-p-horizontal--small">
                <p class="slds-text-heading--small">
                    <lightning:formattedText title="Billing State" value="{!v.simpleRecord.BillingState}" /></p>
                <p class="slds-text-heading--small">
                     <lightning:formattedText title="Billing City" value="{!v.simpleRecord.BillingCity}" /></p>
            </div>
        </lightning:card>
    </div>
    <br/>
    <!-- Display an editing form -->
    <div class="Record Details">
        <lightning:card iconName="action:edit" title="Edit Account">
            <div class="slds-p-horizontal--small">
                <lightning:input label="Account Name" value="{!v.simpleRecord.Name}"/>
                <br/>
                <lightning:button label="Save Account" variant="brand" onclick="{!c.handleSaveRecord}" />
            </div>
        </lightning:card>
    </div>
    <!-- Display Lightning Data Service errors, if any -->
    <aura:if isTrue="{!not(empty(v.recordError))}">
        <div class="recordError">
            {!v.recordError}</div>
    </aura:if>
</aura:component>

Client-Controller:
({
    handleSaveRecord: function(component, event, helper) {  
        component.find("recordEditor").saveRecord($A.getCallback(function(saveResult) {
            if (saveResult.state === "SUCCESS" || saveResult.state === "DRAFT") {
                console.log("Save completed successfully.");
            } else if (saveResult.state === "INCOMPLETE") {
                console.log("User is offline, device doesn't support drafts.");
            } else if (saveResult.state === "ERROR") {
                console.log('Problem saving record, error: ' + 
                           JSON.stringify(saveResult.error));
            } else {
                console.log('Unknown problem, state: ' + saveResult.state + ', error: ' + JSON.stringify(saveResult.error));
            }
        }));}
})

Here is the Error I am getting.