Questions tagged as 'android'

Tagged questions
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VideoView Play several videos

Hello friends, I have a small problem that I do not know how to perform, well I'm trying to play some videos in mp4 which I need when I start the first one and I'll start a second video I really do not know how to do it. public class Videos ex...
asked by 02.11.2016 / 16:39
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APK Debug vs APK Realease. Does not consume webservice, does not work database operations

I have a problem. I have my mobile app in android studio. The APK generated in DEBUG mode works correctly consuming web services and performing operations on the local database on android. All permissions are correctly configured. But when the A...
asked by 31.10.2016 / 20:54
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Google maps mark with points from the database

I want to get the points, name and description plus 2 values to add to the snippet, but when I run the code I have the app does not fall, but it is black, then I leave my code public class Marcadores { String ip, db, un, passwords; Co...
asked by 01.11.2016 / 22:07
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Work on a menu with items within a NavigationView on Android

Good afternoon, I would like to raise a problem that I can not find a solution for in Android programming. It turns out that I have a sliding menu implemented under two structures, a header and a listMenu in my view. I access the header pe...
asked by 26.10.2016 / 18:14
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Can I change the time and date of the mobile device using a DatePickerDialog and a TimePickerDialog? [closed]

I have implemented a DatePickerDialog and a TimePickerDialog to select the date and time that you want but I would like to know if that date I place can be changed in the mobile device.     
asked by 26.10.2016 / 23:17
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Error: java.lang.NullPointerException (no error message)

At the moment of pressing play on android studio I really do not know where the dilemma is because it does not specify much ... Gradle apply plugin: 'com.android.application' android { compileSdkVersion 23 buildToolsVersion...
asked by 05.01.2017 / 15:24
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intent.getStringExtra

I'm trying to bring a few things from a recyclerview and the case is that if I can the name but neither the category nor the image. How can I get it? public class Platos_Adapter extends RecyclerView.Adapter<Platos_Adapter.ViewHolder&...
asked by 04.01.2017 / 16:31
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Fill data to a custom ListView from server (Web Service)

Good afternoon. I'm running a web service on Android, in this case I'm pulling data from a table in MySql that I have on a server to populate a custom ListView. The query I have is that the data I'm trying to get is not being populated in...
asked by 05.01.2017 / 20:52
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Show default text when a Listview is empty

I have a Listview that gets data from a BD MySql . the problem is when the table of the DB is empty and enter the activity where is the Listview , the application stops working where it is empty, some idea to implement a def...
asked by 06.01.2017 / 02:28
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Problem using Runnable

I am using the video player from link where I have a problem in the next class link With the following method: protected Runnable updateTimeRunnable = new Runnable() { public void run() { updateCounter(); TIME_THREA...
asked by 06.11.2016 / 20:27