Questions tagged as 'android'

Tagged questions
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Place one layout inside another, but the one inside is a little outside visually

Place one layout inside another, but the one inside is a little outside visually. It would be to put a notification ball as superimposed on top of a layout     
asked by 28.04.2017 / 21:22
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Save value of EditText with SharedPreferences and without using a button (Android)

I would like to know if it is possible to store the information of an EditText without having to click on any type of button, that is, at the same time that the user writes can be saved, and be accessible when the application starts again . The...
asked by 07.04.2017 / 19:35
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Verify BD existence and table on Android

How can I verify the existence of a table in the bd sqlite in an Android app? SQLiteDatabase database = SQLiteDatabase.openDatabase(ruta_base_de_datos, null, SQLiteDatabase.OPEN_READONLY);     
asked by 02.05.2017 / 15:59
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SignalR and mobile devices

Good morning I was using signalr to update an application in which vehicles are shown moving on a map, the locations are notified from the server to the page by signalr, while the page is active, in the browser of the device (it is not a Hybr...
asked by 28.09.2016 / 00:03
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Intent.ACTION_CALL fails on android 6+

MY CASE I have this method to make direct call from android: public void Llamar(String Numero) { Intent Llamada = new Intent(Intent.ACTION_CALL).setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); Llamada.setData(Uri.parse("tel:" + N...
asked by 14.03.2017 / 04:39
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Favorites android studio without database

I have a list with a series of streaming radios and I have to add a favorite button (the typical heart) and when I press it, that radio is saved in another activity (Favorites) and when it leaves and enters the application to save the changes bu...
asked by 02.05.2018 / 20:49
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How to securely store the base64EncodedPublicKey key of an Android app?

In Android Developer, when we want to integrate the In-app Billing Version 3 library, we find the recommendation that the base64 keys of the application should not be stored flat in the code:    / * base64EncodedPublicKey should be YOUR APPLI...
asked by 04.07.2016 / 18:53
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I can not get the Uri on some devices

I just migrated my code from sdk 22 to sdk 23, and in the test cell (moto g3) I had no problems, but it turns out that there are devices that present problems (Samsung Galaxy J2) ... Before when I used compileSdkVersion = 22, both phones worked,...
asked by 19.08.2016 / 00:15
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Android how to avoid closing the user's session when the app is removed from the background

How can I achieve that when the user minimizes the application with the home or back button and then removes it from the apps running in the background does the session not close? It turns out that you log in correctly with Google+, but if th...
asked by 21.08.2016 / 21:22
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ScrollView does not work "Android Studio"

The truth is I have some basic knowledge in Android programming and others. I am making an application in Android Studio that tries to make a main screen so that a teacher and parent can register and log in. In the activity in which the parent r...
asked by 08.03.2017 / 15:03