Questions tagged as 'android'

Tagged questions
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Black screen when generating a new activity on android

! [I have problems creating a new activity on android, I do not enter any code or anything I just create a new activity and the Screen turns black. The issue is that generating the apk does not give problems but after installing it when I call t...
asked by 27.04.2017 / 03:44
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How to declare a FragmentActivity in an IntentService?

My current problem is that I need to use the Google Drive API in an IntentService, but my problem is that one of its fundamental classes or methods for its use can not be implemented, because it has a FragmentActivity value. And I can not think...
asked by 27.04.2017 / 22:18
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How could a gridView with expandable elements?

Good day. How could this functionality be achieved in a gridView, which is that when selecting a gridview item it expands (insert a new row) below the selection? Thank you in advance.     
asked by 26.04.2017 / 22:39
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Send string of data received by bluetooth to another activity

Hello, I have the following code, and I am looking to send the String with the data I receive by bluetooth "recDataString" to a new Activity, and I do not know how to do it. Thanks. public class MainActivity extends Activity { ProgressBa...
asked by 10.05.2017 / 09:09
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Register and cancel BroadcastReceiver listening on a fragment of Android

I want to start detecting connectivity with a BroadcastReceiver I want to do it in a fragment when it's on screen. In what methods is it the best to record and in which to remove it but contemplating the following? Scenario where th...
asked by 10.05.2017 / 11:58
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search icon is not shown at the beginning

I have several fragments and activities in my app, in which I have implemented searchview and everything works correctly, the problem happens in a new view in which I want to implement it where only the toolbar appears alone, without the icon, b...
asked by 25.04.2017 / 05:02
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Error when trying to list / sdcard?

My problem is that I want to be able to list the / sdcard getting all the files and files my current code worked for me but it stopped working (I do not know why it happened). But I have been investigating and I have found something related to a...
asked by 21.04.2017 / 00:18
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I can not connect Intel Edison to WiFi on Android Things

I have a problem wanting to do the tutorial from Android Things using my Intel Edison. When wanting to connect the Edison, it does not connect, I know why when running the command: $ adb logcat -d | grep Wifi I do not see what the tuto...
asked by 21.04.2017 / 06:38
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Open PDF hosted on the phone with PhoneGap

I have several PDFs on my device for the application I'm designing, I tried it with the plugin inAppBrowser and the event window.open but it did not work. My code now is like this: <a href="#" window.open('pdf/visitas/Lista...
asked by 21.04.2017 / 08:21
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Sending messages with android studio

Best regards to all the problem is this: I have this code to send text messages works perfectly but I would like to know how I can do that when a message is not sent by any problem that is presented to the application in automatic, retry send...
asked by 12.04.2017 / 14:23