Questions tagged as 'android'

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Save "download url" obtained from Firebase in a Database

I have an app that allows you to select cell images and save them in Firebase and save the "download url" in the database ... The problem is that saving the URL in the database only saves me the half of this url. I did a toast to verify if it ca...
asked by 20.06.2017 / 14:38
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Request to a webService encapsulated in a bluetooth datagram?

You see, I have a server in a raspberry. This server generates a distributed network topology based on ad-hoc (Mesh Network). I have several web services implemented (see topology, traffic sniffer in the network ..). The thing is that now I want...
asked by 20.06.2017 / 11:11
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how to check the internet connection?

I have the following code: ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo networkInfo = connMgr.getActiveNetworkInfo(); String estado=networkInfo...
asked by 01.01.2017 / 13:32
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How do I write and read fields and subfields in Firebase | Google?

Hi, I am trying to access the database provided by Google with Firebase, my summary code is simply this. FirebaseDatabase database = FirebaseDatabase.getInstance(); DatabaseReference myRef = database.getReferenceFromUrl("https://pruebasfi...
asked by 16.07.2017 / 22:02
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How to populate listview with volley consultation

You can help me to populate a ListView of a query with volley + php + mysql in android studio . I leave the code for these classes, as you can see the content in a textView but I want to show it in a ListV...
asked by 07.06.2017 / 06:50
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I do not click on List View

Good companions, I can not get the click on any item in the ListView to work for me. I have a Toast on and when I clicked the application is dropped. This is my method. public class BusquedaPartidos extends AppCompatActivity implements Carg...
asked by 12.06.2017 / 18:31
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How do I overwrite a .txt file on android?

in my APP I receive a socket periodically through String . I need to save only the last received String but with the functions that I have obtained I am adding rows and Strings to the file. How can I overwrite the file every time I...
asked by 13.06.2017 / 17:11
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send files from my service in eclipse to android

I have a dilemma. I am trying to send a file that I have in my database to my android application. I have my service that gets a byte [] but when calling it from my android application, it goes down. I do not know how to send this file, whether...
asked by 05.06.2017 / 17:55
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People ListView with Volley + php + mysql

I need to populate the listview , I am not able to display the data in ListView . I pass the code to you, in this case I show the data in TextView . public class BuscarPartidos extends AppCompatActivity implements View.OnClic...
asked by 05.06.2017 / 17:05
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WebView on AlertDialog

Good morning everyone: I am trying to place a WebView in an AlertDialog which I want to show a shared Google Drive Document, of which I know its public URL. When I indicate a URL (eg google.com), the WebView is displayed correctly, but when I...
asked by 06.06.2017 / 15:18