Questions tagged as 'android'

Tagged questions
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Edittext losing focus in ListView header

I put header on my ListView because I wanted it to roll along with it. In this header there are two EditText , when I click on the second, the focus comes back first in less than one second. You do not even have time to write...
asked by 16.02.2018 / 21:31
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Doubt about how to use a screen to measure temperature by cell phone [closed]

I have a question, I have to add a function to measure the temperature of the environment by the smartphone in my android app, but I have no idea how to do this, and I do not know if it has ... Could someone just give me a tip, or tell me if the...
asked by 18.02.2018 / 15:39
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How to read files with accents on Android?

Hello, I'm having trouble reading files with accents on Android. I'm using the following method to read: public String lerAquivo(File arquivo) { String texto; String linha; BufferedReader br; try { texto = "";...
asked by 10.02.2018 / 21:14
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Save togglebuttom state

Good afternoon! As I could save the state of a togglebuttom, I created an app where I saved and erased an edittext, however I do not know how to save the state of that button, every time I left the app and back the button would be to be on de...
asked by 10.02.2018 / 16:15
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Apk Android - post

I've already done my code, uploaded it to Google Console, and the APK is in draft form. I made the instructions to make the draft into publication through the version creation screen, complete the frames and saved. When you click the Review butt...
asked by 13.02.2018 / 12:36
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Creation problem Android Application - Java

I need to ask a number of questions, for a problem that was imposed on me, regarding the creation of an Android application in Java. To describe the circumstances, I am creating an app to serve my college football league. The whole "functiona...
asked by 12.02.2018 / 23:04
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Which method can I use to make a ticket layout? [closed]

I am in a parking project which requires the use of a ticket generated through a bluetooth device.  My question is how can I make this layout? what parameters and methods can I use?     
asked by 26.02.2018 / 13:35
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ExpandableListView - change background color header title group

I need to change the background color of the header group from my ExpandableListView to a green color. Does anyone have any ideas? ExpandableListAdapterpublicclassExpandableListAdapterextendsBaseExpandableListAdapter{StringheaderTitle;privateCo...
asked by 26.02.2018 / 15:41
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How to compare two image names in Android Studio

Having a imagem = (ImageView) findViewById(R.id.imageViewId); How do I know if the current image has the name x or y? I tried some forms, with the equals and such, but it did not work .... if (imagem.equals("nome")){...     
asked by 07.02.2018 / 00:23
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Backend with mysql database and frontend in javascript (react-native)

I'm developing an application in javascript (for android) and I would like to use mysql as the database for this application, but I was not able to use mysql in the same code so I did some searches that indicated separating by backend and fronte...
asked by 07.02.2018 / 11:31