Questions tagged as 'java'

Tagged questions
2
answers

Google drive API on android, I can not make this example work

Researching the Google Drive API, I found this example that theoretically allows me upload an image to drive. The problem I have is that the following code: File fileMetadata = new File(); fileMetadata.setName("photo.jpg"); java.io.File file...
asked by 13.06.2017 / 17:02
1
answer

Decrease one variable every second in java

How can one variable be decremented per second in Java? I do not use Thread.sleep() because I do not want the running thread to fall asleep, but to decrement it in execution.     
asked by 08.06.2017 / 03:58
2
answers

Handle the closing of an App on Android

I would like that when closing my application in the background, for example when making the swipe as in the following image: And later that when re-entering the application, it will continue with the active user session and leave me in...
asked by 09.05.2017 / 02:18
3
answers

Problem getting the ID name

I have several buttons, I assign this function, what I want to get the name of the ID depending on the botón that has been pressed, I could already get the whole value (of the identifier) but I need the String of the ident...
asked by 04.05.2017 / 23:23
1
answer

like reading a txt file in java and passing it to an array

I have the following code in java to read a txt file // recibe la dirección del archivo public String leerTxt (String direccion){ String texto=""; try { BufferedReader bf= new BufferedReader(new FileR...
asked by 05.05.2017 / 00:35
1
answer

I can not install NetBeans in Windows 10

I comment the situation quickly because I do not know what is happening, in other machines with Windows 10 I have been able to install NetBeans perfectly, even in Windows 7 but in my PC (Windows 10) specifically by double clicking the installer...
asked by 04.06.2017 / 12:36
1
answer

Bold text that I charge for SharedPreferences

I try to put in bold only the text I receive from SharedPreference but I do not know how to do it correctly, this is what I have always done but on a text, not on one loaded with SharedPreferences and so I see It is possible. con...
asked by 05.06.2017 / 22:51
2
answers

JPA Key composed for .find () [closed]

I have an entity with compound keys, how can I do the .find () Obj p = XPersistence.getManager().find(Obj.class, ??clave)??; p.setCampoDesc("hola"); XPersistence.getManager().getTransaction().commit(); the class has @Id @Column(...
asked by 28.03.2018 / 13:17
1
answer

Error Only the original thread that created a view of the hierarchy can touch its views. on Android

After Android-Studio warned me that there is too much load on the main thread.    Skipped 113 frames: the application may be doing too much work on its main thread I have created a runnable to launch a thread with some processes:...
asked by 10.05.2017 / 15:14
1
answer

Does anyone know what language the Brother QL_700 label printer interprets? [closed]

I am creating a program in java and I need to know what language the brother printer ql_700 interprets to send it to print texts, since in its documentation it only says that it uses its own language.     
asked by 12.07.2017 / 20:58