Questions tagged as 'android'

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Help with calculation exercise in hours in android studio

In this exercise, I have to start with one hour of entry (example: 20:30), after that, I have to add the minutes to get the time of departure. But I have two details which I do not know what they are, the first one indicates an error of "Wron...
asked by 02.12.2018 / 04:20
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Pass SQLite marks to Google Maps

I have a SQLite database where the marks are stored but I am not able to load them on the map. Thank you very much for your time. Main activity public class MapsActivity extends FragmentActivity implements OnMapReadyCallback { Button btn;...
asked by 03.12.2018 / 18:30
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Help with exercise in android studio?

What happens is that in this exercise, I have to enter an hour of entry to each specific query (either with a doctor of general medicine, dentist, dermatologist, etc.), after that I have to add the minutes that I Delay in each query and the resu...
asked by 03.12.2018 / 17:54
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Problems with Sms Receiver Android Studio

I have a strange problem since the SMS Receiver is ignored by phones of the Samsung brand (I tested it with the Note 8 model and another one that I do not remember what it was). What happens is that these phones when they receive a message is as...
asked by 07.12.2018 / 01:47
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Can you work with notifications on Android from a local server?

As an antecedent, I explain that I have a certain system already in operation with an Apache server that runs PHP and MySQL . Apart users have in their terminals (phone or tablet) an application Android that connects to this...
asked by 29.11.2018 / 20:29
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Save textview value in a variable

I have the following declared TextView: TextView billChangeTV[0] = (TextView) parentView.findViewById(R.id.billChangeTabCash); I wanted to know how I can save the value that appears here in a variable of type double. Greetings.     
asked by 29.11.2018 / 12:15
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Error importing a class from an Android Studio package

I do not understand I have created the class as public within the Model package, but when importing it it is as if it were not existing     
asked by 29.11.2018 / 18:50
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App stops when using Connectivity manager

I have a class in which I pretend to see if the user is connected or not. However, the whole method did not work, so I was removing things to see what the problem was and I have seen that only with the code in this way the app stops when executi...
asked by 13.07.2017 / 06:43
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What is the path of the removable card (SD card) in Android? Xamarin

I need help to find the path (path) of the removable card (removable Sd card) of an android device, here the code: var list = System.IO.File.ReadLines("/proc/self/mountinfo"); foreach (var i in list) {...
asked by 13.07.2017 / 15:27
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Error Android databinding with kotlin

I'm doing a project on Android with data binding and kotlin. Until a few days ago it compiled without problems, but suddenly it does not compile giving the following error: e: [kapt] An exception occurred: android.databinding.tool.util.LoggedE...
asked by 04.12.2018 / 09:51