Questions tagged as 'android'

Tagged questions
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How to share image from an imageSwitcher?

The App what it does is show images by pressing forward or backward buttons. I need help with this, I would like to be able to share the image that is seen in that moment in the ImageSwitcher. public class MainActivity extends AppCompatActi...
asked by 29.09.2018 / 03:20
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Android Studio | Error: com.android.support:appcompat-v7:28.0.0

I'm trying to make an application with firebase (it's the first time I use android studio / gradle) in firebase asks me to place this in build.gradle (app) implementation 'com.google.firebase:firebase-core:16.0.3' implementation 'com.google...
asked by 28.09.2018 / 21:29
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Run sequentially Fragments-Android operations?

I have a question, I hope you can help me, I have a graphical interface that works with a library that loads several fragments simultaneously more or less of this type, that is, it does not wait for the click event to load the "tabs" th...
asked by 26.09.2018 / 00:09
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How can I send an email directly from my app?

Hello People I wanted to know how I can send an email to an electronic account from my app without going through the middle of gmail ...! , I have seen several tutorials that send mails but all pass by the middle of gmail .. I would like to do i...
asked by 25.09.2018 / 19:20
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How to make an EditText display a numeric keyboard at the top and uppercase letters

I have an edittext that receives only uppercase android: inputType="textCapCharacters", but I also need you to show me the number bar at the top of the keyboard, I do not know if it is possible, thank you in advance for your collaboration.     
asked by 24.09.2018 / 19:09
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Send data between activities

I have a problem. I have 2 activities, the main one and a second screen. I want the 2nd screen to send data to the main screen but when I start the application it tells me that it stopped and it closes. When I do it the other way around (From th...
asked by 30.11.2016 / 18:14
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Return onClick value of an Adapter - Android Studio

Hi, I have a question about how to return a value to my Main activity In my Adapter when clicking on a carview if I get the value and I show it a Toast but now I want to return that value to my main activity ... any idea of how to do it! ??...
asked by 24.09.2018 / 01:49
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Download images of SQL Server to Android quickly

Hello, I am creating an application in which the user uploads a photo from their phone to a Database so that other users can see it. I used SQL Server as a database, and the image that is uploaded to the database is converted into Base64.enco...
asked by 22.09.2018 / 17:30
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Update value of a field with Firestore and Android Studio

I have a table called Score, which has two records: score1 and score2. In Android Studio I have a two-button activity, where the first button will save the value of score1 and the second button of score2. What I want to achieve is that aft...
asked by 24.09.2018 / 20:04
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The intent does not want to work to open another activity

Good afternoon friends I have a problem with the intents I do not know what's wrong I want to open another activity from a class obviously passing the context of the activity from where I want to pass it. public class Informe implements Respon...
asked by 24.09.2018 / 20:36