Posts by Flávio • 331 points
37 posts
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answers37
viewsA: When I tag Row Booststrap I leave a blank
You may be using a container-Fluid or change the Row class by adding a padding .row { padding: 10px } or <div class="container-fluid"> <div class="row"> <h1>title</h1>…
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votes2
answers39
viewsQ: Scroll through a string list and display the 2 in 2 result
in a certain part of the code, I need to go through a list with string values. However, the display of these values needs to be 2 in 2, instead of 1 to 1. I am using Python version 3. Example…
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answers9
viewsQ: Activate Fields with Radiobutton Qtdesigner
On the main screen, I have a radiobutton with two fields of lineEdit. When the radiobutton is clicked (check), the lineEdit1 needs to be released and the lineEdit2 needs to be blocked. And so vice…
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votes2
answers46
viewsA: Reload Data in Uitableview using Firebase
I used the method childRemoved of Firebase to listen to the node I delete. I also used a UIRefreshControl() so that the user can update the dados da tableView. var refreshTable = UIRefreshControl()…
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votes2
answers46
viewsA: Reload Data in Uitableview using Firebase
I was able to correct the mistake of duplicity. But the error still persists in the issue of updating. If I make the exclusion do nó, right in the Firebase a the elements still continue in the…
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votes2
answers46
viewsQ: Reload Data in Uitableview using Firebase
I’m using a custom table that retrieves data from Firebase. But it only updates, new data, if I close the app and open again, even if entering the reloadData() on the table. Example: The table is…
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votes1
answer39
viewsQ: I overwrote a follow in Swift, do I need to overwrite them all later?
I overwrote a few seconds to use a viewController, where it will be dynamic and receiving the content according to the clicked menu. But the other seconds that I did not put an "identifier" stopped…
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answer72
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answer139
viewsQ: Close app on Swift
I am starting in Swift programming and my question is how to close the application. For example, on android, used the System.exit(0) has something like me Swift?
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votes1
answer185
viewsA: Firebaseuth stopped authenticating the user
I noticed now that in Activity of registering user, there is no test of whether the device is connected on the internet. Already on the Login screen has this check. What I did was remove it and add…
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votes1
answer185
viewsQ: Firebaseuth stopped authenticating the user
In the app, before the user sign in, they need to log in with email and password. If you don’t have it you can create an account. The problem happened last night, already registered users can not…
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votes1
answer937
viewsQ: Check in real time what you have typed in Edittext Android
I have an Edittext that will receive the user’s data. It will click and type a number between 1 to 10. I was wondering if there’s any way I could check once he jumps to another Edittext, if he…
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votes1
answer261
viewsQ: Insert picture into empty listview background
I have a listview where he gets the data via Firebase. But if it is empty and not to leave a white screen in the Activity where it is, I put a background image like the example below. That’s my code…
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votes1
answer119
viewsQ: Some kind of alert with Firebase
I developed an application where users access and can save some things (name, address etc). These settings are available for an administrator user to view and modify if applicable. I am using…
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votes1
answer796
viewsA: URL is with Location how to open in Webview Android
Good staff I solved as follows, I do not know if it is the most correct. It follows below the code. In the onCreate method webView = (WebView) findViewById(R.id.webview_site);…
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votes0
answers180
viewsQ: Recover Dynamic Childs on Firebase Android
I have a structure on firebase as follows. In the client app when the person saves the information, creates a Child stored by the number entered in the cell field (creates Child with the person’s…
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votes1
answer178
viewsQ: Dynamic total according to Android Numberpicker
I am using Numberpicker so that the user selects the quantity. Each numberpicker has a total that already appears on the screen according to the amount selected by the user. Example: Numberpicker 1…
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votes1
answer796
viewsQ: URL is with Location how to open in Webview Android
People at the url link I put in the webview has implemented localization. As soon as the user opens the site by Chrome or any browser appears a dialog asking if it allows to use the location. But in…
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votes1
answer582
viewsQ: Working with 2 spinner on Android
I’m with two spinners in the same Activity. When I click 1 and select the value, the second needs to show the value related to which the user chose in the first spinner. Example: If in the first…
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answer1206
viewsA: Format Int Variable in R$ currency on Android
Good I managed to settle after a good read I used NumberFormat nf = NumberFormat.getCurrencyInstance(); and in the Textview variable nf.format(valortotal / 100) result in what I really wanted…
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answer1206
viewsQ: Format Int Variable in R$ currency on Android
I use Maskformatter lib to format Edittext fields. But now I’m getting a value of an int variable and wanted to format it in the value of currency R$. Example: in the variable containing 1000…
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answer231
viewsQ: Select Checkbox and enable fields on Android
I am using checkbox and edittext. When the application starts, edittext is disabled. When the user marks the checkbox, the edittext field enables. I’m having trouble enabling. I already put in…
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answer269
viewsA: Google Maps and Directions stopped tracing routes
I tested it on another device and another location and the error persisted. As I use the Address class to search for the address, it was returning at the end of the address the word null, causing…
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votes1
answer269
viewsQ: Google Maps and Directions stopped tracing routes
I’m using google maps and Directions and running. After 3 weeks two of my apps that use stopped tracing routes. On the Google console, I left the API key unrestricted since the app’s publication on…
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votes2
answers536
viewsA: Webview updating URL page when rotating the screen
Well I got it here. Anyone who has the same problem in the webview XML, add android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize" And in the…
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answers536
viewsQ: Webview updating URL page when rotating the screen
I’m running a test on the webview and it’s ok. But when I turn the smartphone it updates my page url. I would like to keep the rotation without this update, keeping it on the screen that the url is.…
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answers151
viewsQ: GPS still on after closing Activity
I’m using in my app, GPS and Google Direction. It’s working, but I noticed the following. After I return from Activity where you have the map, the GPS icon of the smartphone does not come out, it is…
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answer4540
viewsQ: Substitute for the Progressdialog
In my apps I used Progress Dialog however I read that it is depreciated from the O API . According to this link I wanted to know which component can be a substitute for it, because I used it as…
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answers1073
viewsQ: Google Maps does not work after Gero APK Signed for Google Play
Guys I have an application running Google Maps. I generated the access key (copied and pasted in xml ) right on the Console Developer website. If I generate normal apk (no signature) it works…
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votes1
answer263
viewsQ: Continue running after you accept Android Permission
I’m doing a test using Google Maps. It’s working but it’s like this. As soon as the app starts, it checks the permission by calling the Permissao class. If the user accepts, the app starts and if…
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votes1
answer2354
viewsQ: Send e-mail direct from App
can send an email with a suggestion directly from the App, without opening an external application, like Gmail? Example: A field where one puts the email and another field it by the suggestion and a…
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votes1
answer510
viewsQ: Sort by date and name Arrayadapter
I am using "Comparator" to sort my listview. Sort only 1 element, it is working, but with two the same does not work. //ordenar por data arrayAdapter.sort(new Comparator<Vagas>() { @Override…
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answers49
viewsQ: Automatically delete data from BD the next day
I am with this doubt and I do not know how to develop, you could help me in this case? The user would put for example: Street traffic 17 hours and save in the bank. The next day, this record would…
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answer199
viewsQ: Searchview without any return on Android
I implemented a Searchview and put in a Toast to see if it was working as soon as I typed something in the search. Toast is not displayed, no error appears in Logcat. The search is in an Actionbar.…
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answer538
viewsQ: Set specific time in Alarmmanager by Timepicker and Datepicker
I am taking a test before implementing in the real application. I have an application with two buttons (Date and Time) and a button (Schedule). As soon as the user clicks on the Date button, a…
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answer209
viewsQ: Error picking ID or Position inside a Spinner
Speak people, I’m trying to get the id or position inside an Arrayview of the Spinner component but it’s not getting inside the variable. If I place a Toast to display the id or position, Toast…
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votes2
answers301
viewsQ: Select with two columns returning empty
In a mobile application (Android), I have two tables. A login table (user and password) and another (simple registration). The APP has a registration screen, if the user does not have an account he…