Questions tagged as 'android'

Tagged questions
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Change APK signing key in PlayStore

Hello, I have an app in the Google Play Store that was from another account and it was transferred to my account, because it will no longer play with it and the client asked us to work on the next version. The problem is this: when we upload the...
asked by 29.07.2018 / 03:23
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How to stop one via external loop interference?

I have for running and when I click the button I want this for to stop. for (int i = 0; i < codigo.size(); i++) { if (codigo.get(i).contains("Para") || Stop == true){ sendCommand("paro...
asked by 28.07.2018 / 16:41
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Draw advanced Android layout

I'm using the layout below to hold a BottomNavigationView and call my Fragments , but I wanted to put the LinearLayout where I call the Fragments in ScrollView . The problem is there, when I do this in a Fr...
asked by 04.08.2018 / 07:45
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EditText vehicle mask

I would like to know how to create a mask in an EditText in ABC-1234 format. I'm trying something like the example below, but with no success yet. public abstract class PlacaVeiculoMask { public static String PLACA_MASK = "???-####"; publ...
asked by 21.08.2018 / 20:10
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Android Target and Android SDK not found or installed ... but everything is installed, how to solve?

I had to format my PC, Windows, and installed everything again: Java, Git, Python, Android Studio, Node, Ionic 3, Cordova, everything. And it was running before normal. Now I have this error, not being able to run my application Ionic 3 with...
asked by 07.08.2018 / 19:55
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Thread Problems (Koltin)

I'm in a situation where I'm building an android APP to keep looking at Bitcoin's quotations on the Bitcoin Marketplace site. The APP is already working, the last thing I want to implement is the automatic query at time intervals. The star...
asked by 06.07.2018 / 18:01
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How to solve the error adb.exe start-server 'failed - run manually if necessary

I'm having the error:    Unable to run 'adb': null   16:08 'C: \ Users \ User \ Desktop \ PI \ SDK \ platform-tools \ adb.exe   start-server 'failed - run manually if necessary By pressing the run button Android Studio does not show any d...
asked by 06.07.2018 / 16:20
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Error: mismatch "$ {body.toString ()}" in Kotlin

I have this 'Type mismatch' error in this code '$ {body.toString ()}': fun fetchJson(){ val url = "http://localhost:8080/matematica3/naoAutomatica/get" val request = Request.Builder().url(url).build() val client = OkHttpClie...
asked by 05.07.2018 / 17:30
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How does it work to dynamically put content making an Android application natively?

I'm seeing a bit of mobile development (Android), and I saw that the design is done using XML, and from what I've seen, it seems to have no loop tag, to repeat similar structures, and generate some content from dynamic form. How would you do...
asked by 06.09.2018 / 21:11
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Change background image of an Adapter Recycler View after click

It is as follows, I created a Adapter that changes a RecyclerView in an Activity that I call through this function (within the activity): private void gerarDatasView(CalendarJur calendario){ LinearLayoutManager linearL...
asked by 07.09.2018 / 07:37