Questions tagged as 'android'

Tagged questions
2
answers

Linear Clickable Layout

How do I make my layout clickable? For example, I divide the screen into 2 layouts, 1 green with 50% of the screen and the other red with the other 50%. How do you make them clickable?     
asked by 20.11.2015 / 18:34
2
answers

Know if user has Waze installed

I have an application that performs routes between the current position and a certain point. For this, I call an Activity: final Intent intent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("http://maps.google.com/maps?daddr="+...
asked by 03.03.2017 / 21:14
2
answers

It has how to configure an image in ImageView so that it takes the whole screen of the mobile

The following declare normal to ImageView : <ImageView android:id="@+id/imageView1" android:layout_width="fill_parent" android:layout_height="fill_parent" android:src="@drawable/imagem"/> but the image does not f...
asked by 27.01.2015 / 12:44
1
answer

java.lang.IndexOutOfBoundsException: Invalid index 4, size is 4

I'm not sure what's happening, when I give a long click on an item in the list, sometimes it works normally (opens a screen that shows the user the information registered, allowing it to change it), sometimes the app to and close and sometimes t...
asked by 03.10.2017 / 16:17
2
answers

Button to display and / or hide keyboard

A% num numeric% will receive input via external keyboard, then display the default keyboard, it should be optional. How do I: When you click on EditText to position the cursor, the keyboard does not open? Open / close the keybo...
asked by 12.04.2018 / 18:02
2
answers

Android - Delete text in a ListView

I created a task application to be made that is displayed in a ListView. I'm using SQLite with a table with the columns: ID, task, completed. I want you to scroll through the records, if the "completed" column is equal to "s", the text in...
asked by 01.06.2018 / 13:54
2
answers

Technologies for Instant Messaging App [closed]

I want to develop an Android (native) instant messaging app like WhatsApp for my TCC, I would like to know which technologies for the Java platform support this kind of communication, some API etc. My main question is about real-time communic...
asked by 17.02.2016 / 20:21
2
answers

Create "forgot password" links on Android

Hello, does anyone know how I can create a link button to reset password like the one in the image below, and when I click open another Activity?     
asked by 20.08.2017 / 18:25
3
answers

NFe issue by Android application

Good afternoon, I have to start a project where I will integrate the option to issue an NFe into an Android sales application . What is the best way to start this process, would it be to complete the whole process on Android or through a...
asked by 22.05.2017 / 21:02
2
answers

EditText without Focus by Activity

Is there a command in Activity that prevents a EditText from receiving focus, even with the user clicking? Or can this only be done by XML? I have a repository that is connected to a database and I need this repository to be pop...
asked by 03.08.2016 / 13:48