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Google App Script logger.log not showing anything

I writing a simple google web app. this .gs basically open a html file that require user to input his name then click. after the user clicked it, the function checkGCR() should log the username in logger.log. but nothing show in logger.log. if run the function checkGCR(), the log does record "null" since nothing input in the input box. One thing I notice is eventhough the logger.log didn't show anything, but stackdriver log doesn't showing something going on there. Please check my code is that something wrong I did here because I follow online tutorial with exact same coding but logger.log just doesn't seem to work.
//This is code.gs
function checkGCR(myid){
Logger.log(myid);
}
//This is html
document.getElementById("btn").addEventListener("click", doStuff);
function doStuff(){
var myid=document.getElementById("mykidid").value;
google.script.run.checkGCR(myid);
}

I just found out that eventhough it doesn't show up at Logger.log, but it does show up in Stackdriver log. So I just use that instead.

How to get the modified content from google sheets?

I am trying to get the modified content after the given time from google sheets. Nowhere I can found the api to get the data. What i can see is getting modified date alone from the drive Api. How can I get the data using Drive or Sheets Api? Give me the suggestions if Possible

Google Drive keeps a track of revision history of files that are contained on it. There is however, no way to obtain the revisions from a request alone.
Google allows for you to receive email notifications whenever a user makes an edit to your sheet, which you can set up by completing the following steps:
In the Spreadsheet's web view, click Tools -> Notification rules...
Under Notify me at myemail#address.ext when... select Any changes are made
Under Notify me with... select Email - right away
Click Save.
You should also be aware that you will not get a notification for edits made to the sheet by you - notifications are only received when another user edits the sheet. Whenever you get an email notification, you will receive a link to view the changes to the spreadsheet in the form of a read-only web view link.
You can work around this programatically, though there isn't one right way and it can be quite complicated. You can use the Revisions: list method of the Drive REST API to get the information about the user that made an edit, as well as a list of links which you can use to export that revision of the sheet to another MIME Type, as shown below in the request response.
Requesting:
GET https://www.googleapis.com/drive/v3/files/SPREADSHEET_ID/revisions
with revisions/exportLinks,revisions/lastModifyingUser/emailAddress as the fields field and replacing SPREADSHEET_ID with the ID of the spreadsheet will give you a 200 response:
{
"revisions": [
{
"lastModifyingUser": {
"emailAddress": "username#domain.ext"
},
"exportLinks": {
"application/x-vnd.oasis.opendocument.spreadsheet": "https://docs.google.com/spreadsheets/export?id=SPREADSHEET_ID&revision=revisionNumber&exportFormat=ods",
"text/tab-separated-values": "https://docs.google.com/spreadsheets/export?id=SPREADSHEET_ID&revision=revisionNumber&exportFormat=tsv",
"application/pdf": "https://docs.google.com/spreadsheets/export?id=SPREADSHEET_ID&revision=revisionNumber&exportFormat=pdf",
"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet": "https://docs.google.com/spreadsheets/export?id=SPREADSHEET_ID&revision=revisionNumber&exportFormat=xlsx",
"text/csv": "https://docs.google.com/spreadsheets/export?id=SPREADSHEET_ID&revision=revisionNumber&exportFormat=csv",
"application/zip": "https://docs.google.com/spreadsheets/export?id=SPREADSHEET_ID&revision=revisionNumber&exportFormat=zip",
"application/vnd.oasis.opendocument.spreadsheet": "https://docs.google.com/spreadsheets/export?id=SPREADSHEET_ID&revision=1&exportFormat=ods"
}
}
]
}
With the links to individual changes, you can fetch and compare the different versions of the Sheet using Apps Script, and output A1 notation of the cells that have different values between versions. This, with the email address from the original Revisions: list request, is enough to compile a file or a log containing.
You can put this into a simple onEdit() trigger bound to the sheet will allow you to automatically get the changes each time a user edits the sheet.

Button.PerformClick not working properly and crashing when called

I'm working on an auto auth system. Basicly when you log in it store your data into internal storage to automatically log you next time.
I have an issue because I need to perform 2 click to log a user so to auto log him I do that:
String username = data.substring(0,separatorPostion);
String passwd = data.substring(separatorPostion+1);
username_input.setText(username);
passwd_input.setText(passwd);
Log.w("DEBUG usrNameParsed: ",username);
Log.w("DEBUG passParsed: ",passwd);
((View) findViewById(R.id.next_btn_username)).performClick();
((View) findViewById(R.id.next_btn_passwd)).performClick();
But, it crash. I can make the first perform click or the second one alone they both work but not together. For the purpose I need those 2 clicks because it's part of my auth system.
Thanks guys.
EDIT:
There is no real crash log this is what I get:

How do I change the text shown in GooglePlayServicesUtil.getErrorDialog()?

I am trying to follow the gcm tutorial from Googles docs. They say to call this method if Play Services are out of date:
GooglePlayServicesUtil.getErrorDialog(resultCode, activity, 9000).show();
That's fine, but it puts a dialog that says "This app won't run unless you update Google Play Services" with an "Update" button. I want to change the title and the message text. My users CAN skip the update, and the app will still run. They just won't get push notifications. How do I change the message of the dialog?
I would like to do something like:
Dialog errorDialog = GooglePlayServicesUtil.getErrorDialog(resultCode, activity, 9000);
errorDialog.setTitle("out of date");
errorDialog.setMessage("Please update or push notifications won't work. Thank you");
errorDialog.show();

You can override desired string value in your application's strings.xml like this. Simply add these lines in your strings.xml
For message on dialog
<string name="common_google_play_services_update_text" msgid="448354684997260580">This app won\'t run unless you update Google Play services.</string>
For title on dialog
<string name="common_google_play_services_update_title" msgid="6006316683626838685">out of date</string>
EDIT
You could find more information here
http://blog.elsdoerfer.name/2010/04/08/android2po-managing-android-translations/
and What's the meaning of attribute 'msgid' in strings.xml?
msgid is used in android internal strings for localization but I never found any documentation about it. Two reference I have as above. I believe if you remove the msgid still it would work, although I never tried it.
The source of this code is
android_sdk\extras\google\google_play_services\libproject\google-play-services_lib\res\values\common_strings.xml

FriendPickerSample doesn't show my friends

I am testing this sample from the Facebook SDK, but don't appear any friends... it says: " "
When I click Pick Friends, a pop up window shows:
" FriendPickerSample would like to access your public profile and friend list"
And I click "OK", but nothing happens it keeps showing only the string ""
Do you guys have any clue?

Problem solved, I didn't had the key hash registed on facebook app developer, neither had the app_id on the strings xml file.
Thanks all anyways