Hello Daniel,

k, I followed:

 git clone https://github.com/AnthonyGiretti/Angular4-GoogleCharts.git
 npm install

then because of "ERROR in DataTableModule is not an NgModule" I followed 
following tip:

 Just replace in app.module.ts:
 import { DataTableModule } from 'angular-4-data-table';
 with
 import { DataTableModule } from 'angular-4-data-table/src/index';

and now the Google Charts demo is working so I can analyze it.

Thank you so much for the appreciated time you took on providing guidance.

THx,
Andrea
On Wednesday, 30 September 2020 at 19:34:48 UTC+2 Daniel LaLiberte wrote:

> That article you reference 
> <https://anthonygiretti.com/2017/10/12/using-google-charts-in-angular-4-project-part-1/>
>  
> appears to be doing the kind of things I imagine are necessary to load the 
> loader and then call google.charts.load.  At the end of the second part is 
> a link to the source 
> <https://github.com/AnthonyGiretti/Angular4-GoogleCharts>, which may help 
> you put together all the necessary parts.
>
> On Wed, Sep 30, 2020 at 1:06 PM Andrea Buzzi <[email protected]> wrote:
>
>> Hello Daniel,
>>
>> I tried to move load from ngOninit() to ngAfterViewInit() but still 
>> getting same error, "google is not defined"
>>
>> ngOnInit() {
>> }
>>
>> ngAfterViewInit() {
>> google.charts.load('current', {'packages':['corechart']});
>> google.charts.setOnLoadCallback(this.drawChart); 
>> }
>>
>> I found a document ( 
>> https://anthonygiretti.com/2017/10/12/using-google-charts-in-angular-4-project-part-1/
>>  
>> ) that suggest to create first a class for a generic GoogleChartsBaseService 
>> then instantiate a *PieChartConfig* model where data can be passed along 
>> the different components.
>> While I'm sure that is the best way to approach this.... its logic is a 
>> bit too deep for me (for the time beeing at least)... so I'm really looking 
>> for a simple working snippet that I can load then adapt to my project....
>>
>> Should you have any available.... :)
>>
>> Thx,
>> Andrea
>>
>> On Wednesday, 30 September 2020 at 16:58:29 UTC+2 Daniel LaLiberte wrote:
>>
>>> Hi Andrea,
>>>
>>> That kind of error, "google is not defined", means that at the time you 
>>> use the google symbol, the loader has not finished loading.  I suspect the 
>>> problem might be that ngOnInit is called before the component html has been 
>>> defined and/or used, so the loader has not necessarily finished loading.   
>>>
>>> Since your app-component html really looks more like a full page, 
>>> including html head and body, maybe you should separate out the chart 
>>> drawing parts into a chart-component.   
>>>
>>> On Wed, Sep 30, 2020 at 9:36 AM Andrea Buzzi <[email protected]> 
>>> wrote:
>>>
>>>>
>>>> Hello,
>>>> due to some missing feature on  "FERNman / angular-google-charts" 
>>>> wrapper (like: role "style"/"annotation") I'm trying to feed the classic 
>>>> "google.charts.load" into a fresh test-ui angular project (v10).
>>>>
>>>> So far I've put in app.component.html:
>>>>
>>>> <html>
>>>>   <head>
>>>>    <script type="text/javascript" src="
>>>> https://www.gstatic.com/charts/loader.js";></script>
>>>>   </head>
>>>>
>>>>   <body>
>>>>    <div id="donutchart" style="width: 900px; height: 500px; 
>>>> border:solid 1px black"></div>
>>>>   </body>
>>>> </html>
>>>>
>>>> while app.component.ts I've the following:
>>>>
>>>> import { Component } from '@angular/core';
>>>>
>>>> declare var google: any;
>>>>
>>>> @Component({
>>>>   selector: 'app-root',
>>>>   templateUrl: './app.component.html',
>>>>   styleUrls: ['./app.component.css']
>>>> })
>>>>
>>>> export class AppComponent {
>>>>   title = 'test-ui';
>>>>
>>>>   drawChart=function() {
>>>>   var data = google.visualization.arrayToDataTable([['Task', 'Hours 
>>>> per Day'], ['Work', 11], ['Eat', 2], ['Commute', 2], ['Watch TV', 2], [
>>>> 'Sleep', 7] ]); 
>>>>   var options = { title: 'My Daily Activities', pieHole: 0.4 }; 
>>>>   var chart = new   google.visualization.PieChart(document.
>>>> getElementById('donutchart')); 
>>>>   chart.draw(data, options); 
>>>> }
>>>>
>>>> ngOnInit() {
>>>>   google.charts.load('current', {'packages':['corechart']});
>>>>   google.charts.setOnLoadCallback(this.drawChart);
>>>> }
>>>>
>>>> }
>>>>
>>>>
>>>> Unfortunately this generate a "ERROR ReferenceError: google is not 
>>>> defined"...
>>>>
>>>> Any tip to make this sample graph working in a angular environment ?
>>>>
>>>> Thx in advance for any suggestion/hint/example!
>>>>
>>>> Andrea
>>>>
>>>>
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>>>>  
>>>> <https://groups.google.com/d/msgid/google-visualization-api/435f4d45-d323-476c-8821-fc7c8c57dda5n%40googlegroups.com?utm_medium=email&utm_source=footer>
>>>> .
>>>>
>>>
>>>
>>> -- 
>>> Daniel LaLiberte <https://plus.google.com/100631381223468223275?prsrc=2>
>>> [email protected]   Cambridge MA
>>>
>>> -- 
>> You received this message because you are subscribed to the Google Groups 
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>>
> To view this discussion on the web visit 
>> https://groups.google.com/d/msgid/google-visualization-api/83c32bac-f46c-4267-99f7-c2666325d1can%40googlegroups.com
>>  
>> <https://groups.google.com/d/msgid/google-visualization-api/83c32bac-f46c-4267-99f7-c2666325d1can%40googlegroups.com?utm_medium=email&utm_source=footer>
>> .
>>
>
>
> -- 
> Daniel LaLiberte <https://plus.google.com/100631381223468223275?prsrc=2>
> [email protected]   Cambridge MA
>
>

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