Questions tagged as 'android-studio'

Tagged questions
0
answers

2nd Strigbuffer sends null

I am using a stringbuffer that works well for me but at the moment of making another stringbuffer for another operation it sends it to me null I would like to know what I am doing wrong and that it uses the same structure of which it already wor...
asked by 04.09.2018 / 00:01
0
answers

Save List in realm

   response model @SerializedName("modules") @Expose private List<Module> modules = null;    model module @SerializedName("idmodulo") @Expose private String idmodulo; @SerializedName("nombre") @Expose...
asked by 04.09.2018 / 05:44
0
answers

My project does not recognize the R class in Android Studio

My project does not recognize the R class, I have searched for some videos and they are old and they do not work for me. Then I'll leave a photo of the error: If anyone knows any solution, it would be very helpful, Thanks in advance.  ...
asked by 03.09.2018 / 01:37
0
answers

How to save .kml files in internal memory of Android device

I would like to know how I could download a .kml file from my android application and store it in the internal memory of the device for later use. I hope you can help me Thank you.     
asked by 06.09.2018 / 00:12
2
answers

No Achievement running the application on the Android Studio phone

Hello I can not prove my project created in Android Studio in my emulator and on my phone This is the LogCat when I run the application: 09-06 10:33:39.688 21767-21767/? E/Zygote: v2 09-06 10:33:39.689 21767-21767/? I/libpersona: KNOX_SDC...
asked by 06.09.2018 / 09:45
0
answers

Problem when updating Android Studio app (duplicate package name)

I have an app published in the Play Store that I want to update. I have the new version with: - same name of app - Same package name - Version 2 - Signed with the same key When I want to install it on my phone, where I have also installed the...
asked by 03.09.2018 / 16:56
2
answers

Error in MainActivity.java - R: Gradle sync failed: Failed to find target with hash string 'android-27

package com.example.diseo.example1; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super....
asked by 03.09.2018 / 17:40
0
answers

In ConstraintLayout how to center the buttons?

I'm using frameLayout (ConstraintLayout) , where I have some buttons and I'm trying to keep them centered: The problem is that when the mobile is vertical they look good, But when you put it horizontally, the buttons are separ...
asked by 03.09.2018 / 18:39
1
answer

Android Studio Render problem failed to find style

I just started with android studio just yesterday, it is giving me many errors, adb.exe missing, gradle error, haxm, finally I was able to solve those but now it is giving me these errors:    Render problem failed to find style and   ...
asked by 31.08.2018 / 23:24
0
answers

android / view / View $ OnUnhandleKeyListener (Error)

I am creating a menu that is built by a Toolbar, but I get an error android / view / View $ OnUnhandleKeyListener , I can not see the part of the Design p> This is the code of the Menu <menu xmlns:android="http://schemas.android.com...
asked by 31.08.2018 / 23:16