Questions tagged as 'android'

Tagged questions
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Select and calculate columns - SQLite

Hello ... //selecionar valores da tabela: public Cursor IMC(){ Cursor cursor; String[] campos = {"SELECT (peso/(altura*altura)) FROM medidas WHERE codigo = (SELECT codigo FROM medidas ORDER BY codigo DESC LIMIT 1)...
asked by 02.12.2016 / 15:50
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Android soapFault Parser

Well I'm starting to make error handling that the webService soap returns me, for example if the user enters login or wrong password the web service returns a SoapFault error: user or invalid password. Only I can not get this message and show in...
asked by 02.12.2016 / 11:59
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Extract JSON data within JSON that comes from a Web Service serving an Android APP

Good evening, how are you? I'm developing an Android APP and it consumes data from a webservice, however I'm having trouble getting some information into the APP. This is the JSON that I return to my APP: { "cod":1 ,"dados":...
asked by 18.01.2017 / 06:39
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Click on the FAB but do not go to the new Intent

I'm getting the click of a list and moving on to another Intent. But when I click on add it gives error. Code; Button cadastrar = (Button) findViewById(R.id.fab); cadastrar.setOnClickListener(new View.OnClickListener() { @Over...
asked by 28.10.2016 / 17:08
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Gson: JsonObject conversion error for JsonArray (JsonPrivate can not be cast to com.google.gson.JsonArray)

I'm trying to convert a JSONObject item to an ArrayList and for this I created this function from an example I saw here in the forum: public static ArrayList<Produto> converte(JSONObject jsonObject){ ArrayList<ArrayList>...
asked by 05.11.2016 / 16:43
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"Please configure your build for VectorDrawableCompat"

I created an application that uses the database and it is not running. When I open it, it shows the following message    "Beta Database application stopped" So I went to see LogCat and it shows that the error is in the onCreate of my acti...
asked by 12.10.2016 / 16:04
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How to know if it is a fragment that is on the screen, in interface test?

I would like to know, in automated interface tests, how to know if a fragment is on screen or not. If it's a fragment, for example, ratingfragment, I'll "perform" a "click". If it is another, I'll do another action. Thank you! Code belo...
asked by 29.09.2016 / 19:36
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Android error - Must specify preferenceTheme in theme

I created a layout (preferences.xml) in the res / xml directory based on the PreferenceScreen. Implemented a class derived from PreferencesFragmentCompat public class PrefsFragment extends PreferenceFragmentCompat { @Override publi...
asked by 30.09.2016 / 21:08
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How to set a Boolean value of a RadioGroup

Example: EditText etNome = (EditText) findViewById(R.id.etName); EditText etAge = (EditText) findViewById(R.id.etAge); RadioGroup rgClienteVivo = (RadioGroup) findViewById(R.id.rgClienteVivo); If I wanted to set these two value...
asked by 02.10.2016 / 03:37
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Map does not work anymore

I'm developing an application that used the Google Maps API. It was running normally, until I upgraded Android Studio from 2.1 to 2.2, and from then on, it stopped working. What do I do to get back to using it?     
asked by 21.09.2016 / 20:47