Questions tagged as 'android'

Tagged questions
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error compile 'com.android.support:appcompat-v7:25.3.0'

This is my build.gradle: apply plugin: 'com.android.application' android { compileSdkVersion 25 buildToolsVersion "25.0.2" defaultConfig { applicationId "com.example.oscar.myrecyclerview" minSdkVersion 21...
asked by 28.03.2017 / 16:23
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Error generating APK in Android Studio

Trying to generate the APK generates the following error: Warning:Exception while processing task java.io.IOException: proguard.ParseException: Expecting java type before 'com.jakewharton:butterknife.**' in line 1 of file 'C:\Users\unicorn\Doc...
asked by 27.03.2017 / 20:31
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Refresh listView every 20 seconds

I have a listView that I load from a web service. It works perfectly, now I want it to cool only every 20 seconds and for that I used the following code; public class ListadoBC extends ActionBarActivity { String ref = ""; String hora =""; Str...
asked by 21.03.2017 / 23:19
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transparent listView

I am trying to make my listview and therefore the items that form it have a transparent background so that you can see the background of the layout on which the listView is located I tried to put in the listview and in the layout of the i...
asked by 09.03.2017 / 19:30
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How to grant permits in a fragment?

I am working on an app that needs to make calls, my problem is that I do not make the calls because I do not have the permission, how do I grant the permissions within a fragment?     
asked by 23.03.2017 / 23:22
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Update activity from a thread

I wanted to launch a question in theory mode and know your opinion, on whether it is feasible or not and if so if you consider it good practice or not.    Is it possible to update an activity from a thread? I'm talking about native Androi...
asked by 23.03.2017 / 21:04
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How can I store a RadioButton in a database?

I'm doing a database on a survey, and this is a multiple choice, but if I want to store the multiple choice answers, if the course is a INTEGER , the name is TEXT , what can the RadioButton be? Thanks. I add this for someone to help...
asked by 06.03.2017 / 12:42
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Do not send SMS android studio

I'm trying to do SMS sending tests but it does not send anything.    Permissions if (ContextCompat.checkSelfPermission(Menu_AgroMovil.this, Manifest.permission.SEND_SMS) != PackageManager.PERMISSION_GRANTED) { if (Acti...
asked by 23.02.2017 / 10:22
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Convert data from a spinner to String

How can I convert the data from Spinner to String ? Spinner cur = (Spinner) findViewById(R.id.spinnerp);     
asked by 06.03.2017 / 15:51
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How can I use a string of an activity, in another activity

I have a String value in my class encuesta.java , and I want to use that String in class res8.java , both are Activity . The two classes are in the same package. Manifest: <?xml version="1.0" encoding="utf...
asked by 06.03.2017 / 17:00