Questions tagged as 'android-studio'

Tagged questions
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Doubt about APIs and Android versions: minSdkVersion

Currently I develop my small applications always in "minSdkVersion 17", which I would swear is the same as the famous API. If I use functions implemented in API 26 for example, would phones with the most outdated operating system be out of my...
asked by 20.06.2018 / 22:41
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Android Studio transfer objects between activities [closed]

Hi, I'm having a problem, and I do not know how to send an object to another activity. They told me that I could through the putExtras (), of the intent. But I could not     
asked by 09.03.2017 / 04:05
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Problems getting HTML elements from Firebase

I have a database in Firebase that receives data from an Android application, the application sends the data already enclosed in HTML tags, with classes and Id's. I get the Firebase data with Javascript and print it on the screen. the data is di...
asked by 14.02.2018 / 19:08
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How to do an AUTOUPDATE to update without PlayStore in Android Studio?

Do any of you know how to update an application that will not be uploaded to the Play Store? I thought that when you start the application it will verify its internal version number (Versioncode and VersionName) and compare it with a WebServi...
asked by 18.01.2018 / 18:09
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Display data in ListView in reverse

I have a ArrayList of type ArrayList v_DtCajasTarimasLista and every time I enter new data they are added correctly and they are shown in the ListView, but what happens is that the last record entered appears to the bottom of the ListView an...
asked by 05.03.2018 / 21:23
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mkdirs () do not create folders on my sd card

Good morning programmers ("the magicians"). I'm going to the following: I need to create files on the SD card, whenever I try to create it ends up creating it in the memory of the phone and not in the external SD. My code is as follows: String...
asked by 09.03.2018 / 13:06
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How to attach .txt in an email (Android Studio)?

I am trying to attach a ".txt" file in a message.  When I run the application, and in principle it is when the message should be sent, nothing is sent, I do not know if it is because it does not take the file well or because reason. I want the m...
asked by 10.11.2017 / 22:12
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Error in debug \ AndroidManifest.xml ExecutionException: java.util.concurrent.ExecutionException: com.android.tools.aapt2.Aapt2Exception: AAPT2 error

Today I was adding the firebase functions from the wizard and at the time of doing the gradle build I got an error in the file debug \ AndroidManifest.xml , before to add the functions of firebase I compiled without problems, I attached the f...
asked by 01.11.2017 / 22:36
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url is not registered http //schemas.android.com/apk/res/android

I started working with recyclerview and cardview and then I had to put a dependency and when it was synchronized the build sent me this error, I already deleted the activitys and classes that I used, I also deleted the dependencies that I did no...
asked by 10.09.2017 / 23:08
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Android Studio new project, Vista not complete

Create a project of 0 and when making the first view I get a space like a header that does not let me occupy my layout any idea that it is this is my manifest <?xml version="1.0" encoding="utf-8"?>                          &...
asked by 17.10.2017 / 21:05