Questions tagged as 'android'

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How do I filter from Edit text to my recycler view, which loads the data from an array list to the card view?

what happens esque I want to make like a search engine from my EditText in the layout view, that shows me a reciclerView with a cardView I want that when writing something, my recycler view shows me the results comparing the data of the Array wi...
asked by 01.08.2018 / 05:38
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Access to the File Provider denied on Android

I have an associated activity for opening a type of file, using a file explorer, when selecting the document and that opens with my app, sometimes I receive:    Caused by: java.lang.SecurityException: Permission Denial: reading nextapp.fx.fil...
asked by 01.08.2018 / 07:05
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ACTION_FOUND does not get devices

I'm trying to get a list of devices with bluetooth but not ACTION_FOUND is not working, it's my first bluetooth test app, I hope you can help me. this is my MainActivity public class MainActivity extends AppCompatActivity { private List...
asked by 01.08.2018 / 04:25
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how to link Android and LibGdx correctly?

In this code I try to show an image on the screen but it is not possible for me <html> <head> <title>Mgame.java</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <style typ...
asked by 29.07.2018 / 19:03
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why when I try to open my game screen in libgdx from android from an activity I get a black screen as an output?

Class that opens from another class "AndroidLauncher extends AndroidAplication" from which this class "screen" is launched. public class Mgame implements ApplicationListener { private SpriteBatch batch; private Texture font; @Override publi...
asked by 29.07.2018 / 19:44
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Error in RequestFocus: Only the original thread that created a view hierarchy can touch its views

Why do I get an error when I give RequesFocus to my text field? public void Set_Conect(String Conect){ System.out.println(">>>>>>>>>>>>>>>>>>>>>>>>>...
asked by 30.07.2018 / 18:24
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One button ends the loop and the other button continues the loop, Cycle Do While

My app consists of a cycle "Do While" and two buttons, I want that when I touch the first button (finish), the cycle ends and the code of the loop is executed. But raise the other button (more), the cycle is restarted and the loop is repeated. T...
asked by 28.07.2018 / 02:27
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Android Strudio 3.1.3 Render problem

problems of rendering, problems with private resources, with instantiations ... in short ... in a few words to someone else who happened to this and I already solve it can you help me please? an image speaks better than a thousand words see, thi...
asked by 02.08.2018 / 02:41
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Recognize IDs of a main MainActivity in a MapsActivity

I'm doing a test exercise, where when I press a button of the first activity I send it to MapsActivity and in that Activity (MapsActivity) I recognize the ID of the button pressed and it shows me specific coordinates, and if I go back and press...
asked by 02.08.2018 / 02:11
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Project Is Not Compatible with MonoAndroid 81

I was programming and suddenly this error came up:    Project is not compatible with   monoandroid81 (MonoAndroid, Version = v8.1). Project TaskX.iOS supports:   xamarinios10 (Xamarin.iOS, Version = v1.0) The truth, I do not know what you...
asked by 02.08.2018 / 02:36