The challenge asks you how to put a message into the JS console and expects $A.log() as a valid answer.
This does however NOT write anything in the console if you are in PROD or PRODDEBUG mode. As I haven't seen any indicatiuon how to get into another mode I would regard this answer as wrong (same for $A.warning()

Hi,
I am doing the "Add a Mobile Card that Displays Content Based on Opportunity Stage" challenge. It asks for a Visualforce page which displays content depending on opportunity stage.
I used the following code
       <apex:outputText rendered="{!CONTAINS(opportunity.stagename,'Prospecting')}" value="this is a good idea" />
       <apex:outputText rendered="{!CONTAINS(opportunity.stagename,'Analysis')}" value="do this" />
       <apex:outputText rendered="{!CONTAINS(opportunity.stagename,'Proposal')}" value="do that" />
       <apex:outputText rendered="{!CONTAINS(opportunity.stagename,'Negotiation')}" value="go away" />
and it works in the browser, but the challenge checks complains:
"The page isn't evaluating the 'Prospecting' stage. "
Any idea why?
 

Hi,
I am doing the "Add a Mobile Card that Displays Content Based on Opportunity Stage" challenge. It asks for a Visualforce page which displays content depending on opportunity stage.
I used the following code
       <apex:outputText rendered="{!CONTAINS(opportunity.stagename,'Prospecting')}" value="this is a good idea" />
       <apex:outputText rendered="{!CONTAINS(opportunity.stagename,'Analysis')}" value="do this" />
       <apex:outputText rendered="{!CONTAINS(opportunity.stagename,'Proposal')}" value="do that" />
       <apex:outputText rendered="{!CONTAINS(opportunity.stagename,'Negotiation')}" value="go away" />
and it works in the browser, but the challenge checks complains:
"The page isn't evaluating the 'Prospecting' stage. "
Any idea why?
 

Hi,
I am doing the "Add a Mobile Card that Displays Content Based on Opportunity Stage" challenge. It asks for a Visualforce page which displays content depending on opportunity stage.
I used the following code
       <apex:outputText rendered="{!CONTAINS(opportunity.stagename,'Prospecting')}" value="this is a good idea" />
       <apex:outputText rendered="{!CONTAINS(opportunity.stagename,'Analysis')}" value="do this" />
       <apex:outputText rendered="{!CONTAINS(opportunity.stagename,'Proposal')}" value="do that" />
       <apex:outputText rendered="{!CONTAINS(opportunity.stagename,'Negotiation')}" value="go away" />
and it works in the browser, but the challenge checks complains:
"The page isn't evaluating the 'Prospecting' stage. "
Any idea why?
 

Hi ,
I was trying to solve the trailhead challenge under "Using Static Resources".

Am getting following message:
Challenge not yet complete... here's what's wrong: 
The page does not include a reference to the specified image

Following code am using.

<apex:page >
            <apex:pageBlock title="Pic" >
                    <apex:pageBlockSection >
                         <apex:image value="{!URLfor($Resource.vfimagetest, '/cats/kitten1.jpg')}"/>
                    </apex:pageBlockSection>
             </apex:pageBlock>
</apex:page>

Am I missing something here?

Regards,
Manjunath C Sarashetti

I'm working through the Using Apex in Components (https://developer.salesforce.com/trailhead/force_com_programmatic_beginner/lightning_components/lightning_components_apex) challenge.

When checking the challenge I'm getting the response:
If I put the same lightning component in an app I can see it is retrieving the Case details via the Apex controller method via the client controller.

I can see the call going through to the Apex Controller in the logs.


I can put a debugger; statement in the client controller within the actions setCallback method and hit that immediately after passing the return value back to the records view attribute.

So I'm fairly certain that the client side controller is using the return value from `getCaseFromId` in the Apex controller.

Any ideas on what the challenge is checking for here?

I realize this is a relativly new thing but I am new to the salesforce platform in general and not sure if my questions are lightning component specific, or more a general salesforce question, so here goes.
I am working through the workbook: http://www.salesforce.com/us/developer/docs/lightning/lightning.pdf and ran into a couple things I just can't make sense of.

1. Prefix's.
    a. I know in visualforce the "c:" prefix means you're using a component. I posted the code below as a reference. In the formhelper.js line "  var action = component.get("c.getExpenses");" what is the "c." referencing?
   b. in the line "action.setCallback(this, function(a){" what is the "a"? is it related to the "A" in "$A.enqueueAction(action);"?
   c. What is the "v" prefix referencing in "var expenses = component.get( "v.expenses");"?

My best guess is that "v"  is for accessing a variable, and "c" for a component, while the "a" passed into the function is a generic placeholder for something (but Idk what...). I don't see anywhere in the code where these 3 prefixes are initialed or declared, which is throwing me off. I'm a Java guy and learning javascript as well as salesforce, so i'm sure it's something obvious that I just don't know yet. I just want to thouroughly understand the example and this piece is giving me grief.


FormHelper.js:
({
    getExpenses : function(component) {
        var action = component.get("c.getExpenses");
        var self = this;
        action.setCallback(this, function(a){
            component.set("v.expenses", a.getReturnValue());
            self.updateTotal(component);
        });
        $A.enqueueAction(action);
    },
    updateTotal : function(component){
        var expenses = component.get( "v.expenses");
        var total = 0;
        for(var i=0; i<expenses.length; i++){
            var e = expenses[i];
            total += e.zoidberg__Amount__c;
        }
        //Update counters
        component.set("v.total",total);
        component.set("v.exp" ,expenses.length);
    },
    createExpense : function(component, expense){
        
        this.upsertExpense(component, expense, function(a) {
            
            var expenses = component.get("v.expenses");
            expenses.push(a.getReturnValue());
            component.set("v.expenses",expenses);
            this.updateTotal(component);
            
        });
    },
    upsertExpense : function(component, expense, callback){
        var action = component.get("c.saveExpense");
        action.setParams({
            "expense":expense
        });
        if(callback){
            action.setCallback(this,callback);
        }
        $A.enqueueAction(action);
    }
})

formController.js:
({
    doInit : function(component, event, helper) {
        helper.getExpenses(component);
    },
    createExpense : function (component,event,helper){
        var amtField = component.find("amount");
        var amt = amtField.get("v.value");
        if(isNaN(amt)||amt==''){
            amtField.setValid("v.value",false);
            amtField.addErrors("v.value",[{message:"Enter an expense amount."}]);
        }
        else{
            amtField.setValid("v.value",true);
            var newExpense = component.get("v.newExpense");
            helper.createExpense(component,newExpense);
        }
    },
    updateEvent : function(component, event, helper){
        helper.upsertExpense(component,event.getParam("expense"));
    },
    waiting : function(component, event, helper){
        component.set("v.wait","updating...");
    },
     doneWaiting : function(component, event, helper){
        component.set("v.wait","");
    },
})

form.cmp:
<aura:component controller="zoidberg.ExpenseController">
    <aura:handler name="init" value="{!this}" action="{!c.doInit}"/>
    <aura:handler event="zoidberg:updateExpenseItem" action="{!c.updateEvent}"/>
    <aura:handler event="aura:waiting" action="{!c.waiting}"/>
    <aura:handler event="aura:doneWaiting" action="{!c.doneWaiting}"/>
    <aura:attribute name="wait" type="String"/>
    <aura:attribute name="expenses" type="zoidberg.Expense__c[]"/>
    <aura:attribute name="newExpense"
                    type="zoidberg.Expense__c"
                    default="{ 'sobjectType': 'zoidberg__Expense__c',
                                 'Name': '',
                                 'zoidberg__Amount__c': 0,
                                 'zoidberg__Client__c': '',
                                 'zoidberg__Date__c': '',
                                 'zoidberg__Reimbursed__c': false
                             }"/>
    
    <!-- Attributes for Expense Counters -->
    <aura:attribute name= "total" type="Double" default="0.00"/>
    <aura:attribute name="exp" type="Double" default="0" />
    <div class="wait">
        {!v.wait}
    </div>
    <!-- Input from using components -->
    <form>
        <fieldset>
            <ui:inputText aura:id="expname" label="Expense Name"
                          class="form-control"
                          value="{!v.newExpense.name}"
                          placeholder="My Expense" required="true"/>
            <ui:inputNumber aura:id="amount" label="Amount"
                          class="form-control"
                          value="{!v.newExpense.zoidberg__Amount__c}"
                          placeholder="20.80" required="true"/>
            <ui:inputText aura:id="client" label="Client"
                          class="form-control"
                          value="{!v.newExpense.zoidberg__Client__c}"
                          placeholder="ABC Co."/>
            <ui:inputDateTime aura:id="expdate" label="Expense Date"
                          class="form-control"
                          value="{!v.newExpense.zoidberg__Date__c}"
                          displayDatePicker="true"/>
            <ui:inputCheckbox aura:id="reimbursed" label="Reimbursed?"
                          class="form-control"
                          value="{!v.newExpense.zoidberg__Reimbursed__c}"/>
            <ui:button label="Submit" press="{!c.createExpense}"/>
        </fieldset>
    </form>
    
    <!--Expense Counters -->
    <div class="row">
        <!--Change the counter color to red if total amount is more than 100 -->
        <div class= "{!v.total >= 100 ? 'alert alert-danger' : 'alert alert-success'}">
            <h3>Total Expenses</h3>$
            <ui:outputNumber value="{!v.total}" format=".00" />
        </div>
        <div class="alert alert-success">
            <h3>No. of Expenses </h3>
            <ui:outputNumber value="{!v.exp}"/>
        </div>
    </div>
    <!--Display expense records -->
    <div class="row">
        <aura:iteration items="{!v.expenses}" var="expense">
           <zoidberg:expenseList expense="{!expense}"/>
        </aura:iteration>
    </div>
</aura:component>