Questions tagged as 'android'

Tagged questions
1
answer

Second Web Service response still has the value of the first

The first thing I do in my application is to send a message to the server, just to test if the connection is up and running. When I receive "ok" from the server I continue the application. On the next screen I have to show a list of names, so...
asked by 23.07.2016 / 17:05
2
answers

Error closing ProgressDialog

public UserRest login(Usuario usuario, final Context context){ try { showProgress(context, "Aguarde", "Validando usuário..."); UserService service = ServiceGenerator.createService(UserService.class); Call<UserRe...
asked by 16.06.2016 / 13:31
0
answers

Communication of an Android client with Python server

I have an extremely basic Python server and an Android client, but I can not establish the connection. I have a client also done in Python and another in Java, and both connect perfectly to the server. I've tried different versions of Android...
asked by 27.05.2016 / 22:02
3
answers

How to save which Navigation Drawe item I selected

Good morning, guys, I'm developing an app and I put a navigation drawer in it pretty basic, and I'd like to know how to "save" which item is selected. And so whenever the app opens, it will open in the fragment that I put in that menu item (navig...
asked by 28.05.2016 / 05:37
0
answers

Xamarin error - "Connection to the layout renderer failed"

Every time I try to open the Main.axml file, this error appears: I do not know how to solve, can anyone help?     
asked by 15.05.2016 / 08:26
0
answers

How to insert an id in SQLITE android?

I am trying to insert the same id that I get from the server database in the android database through sqlite, however, it is generating its own id, I am using auto increment in the primary key, I already tried to use unique and I already tried n...
asked by 19.05.2016 / 02:55
1
answer

Sketch Component for Xamarin Forms

I would like to know if there is any component for Xamarin Forms that allows me to draw on a photo taken by the device or in the gallery. Here are some examples of what it would look like:     
asked by 18.05.2016 / 16:06
1
answer

Communication HC-06 with android

Hello, I am a layman and I would like to know how to make, if possible, a bluetooth data transfer from Android to the Arduino HC-06 module using the cellular pairing itself. That is, how to only manipulate the programming of data sending / readin...
asked by 19.05.2016 / 21:43
1
answer

Example for interacting res / xml / prefs.xml with an activity.java

As much as I've searched, I've never found an exact example where a preference file interacts with a Java activity, for example: private void Bemvindo(){ Toast.makeText(this, "Seja bem vindo", Toast.LENGHT_SHORT).show(); } And in the prefer...
asked by 20.07.2016 / 23:19
1
answer

Android app without connection to valid IP addresses

I'm having a very strange problem with my android application, in some cases my application can not respond to valid addresses from other sites. Explaining my application, it is a data collection application in the field, where it connects with...
asked by 21.07.2016 / 14:12