Questions tagged as 'android'

Tagged questions
2
answers

Error in SharedPreferences

Is my program I want to save and read certain configuration data but for some reason they are not saved or can not read correctly, could someone tell me what my error is? Code to save: int mConfigBaudRate = 115200; int mConf...
asked by 20.12.2018 / 23:11
0
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Sending JSONObject data

I have a problem with my Android Studio code. My application must send some information that is collected but I do not know how to structure it since the body of the email is long someone could tell me, I have tried to send it with several JSONO...
asked by 20.12.2018 / 23:01
1
answer

Spinner does not show me text when selecting item

I have a Dialog with several elements inside, one of them is a spinner, which initializes and loads the data of an ArrayList: public class DialogGArticulos extends android.support.v4.app.DialogFragment { @NonNull @Override public Dialog onCre...
asked by 20.12.2018 / 10:20
1
answer

Android Studio - Error trying to show value in the Toast

I'm wanting to show an int value that I cast from a string in a Toast but it gives me an error that I do not understand. When I perform these steps, the following error is thrown by the Logcat: Process: com.example.rodrigo.libros, PID: 182...
asked by 20.12.2018 / 06:07
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Problems with "react-native run-android" in linux

I am starting to venture into the world of React-Native for mobile application development. I'm emulating the APP on a real device, but I can not make the rec-native run-android function, it returns the following console message: Sta...
asked by 20.12.2018 / 15:18
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Link BLE Bluetooth device

I am working with a BLE bluetooth device and I am already able to list the enclosing devices, connect to it as long as I have previously linked the device with Android, read and write, etc ... But the problem that I find is that I am not able...
asked by 19.12.2018 / 10:48
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It does not let me change from fragment to webfragment

I have an application which contains a list, a detail of the item in the list and a web of the item in the list. When I click on the first item in the list, it has to take me to the data of that item (detail class of the item) and inside that...
asked by 16.12.2018 / 15:44
1
answer

DialogFragment is not displayed

I am trying to display a DialogFragment with a button so that when I press it, the dialogue simply disappears. It should be shown when a PlainText has no text in it but I can not get it to be displayed. What am I doing wrong? At...
asked by 21.12.2018 / 17:31
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Insert client with Volley to an external DB?

I'm trying to do an insert using Volley and PHP but for some reason when I try to register in the PHP code it enters the else instead of the if ... // registerClient.php // <?PHP //hostname, username, password y database require_once 'd...
asked by 21.12.2018 / 15:21
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Gyroscope does not start immediately | Android Studio

I have a small problem with some tests that I am doing in android studio. I am trying to use the gyro sensor of my android device to rotate an image according to the inclination of the device, using the TYPE_ROTATION_VECTOR sensor. But I'm...
asked by 15.12.2018 / 23:36