Questions tagged as 'android'

Tagged questions
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How to detect in Android if the device changed the type of wifi network to data and know the name of the network?

How to detect in Android if the device changed the type of Wi-Fi network to data and know the name of the network? is that I need to get this information from the network to validate and execute a method.     
asked by 23.06.2016 / 03:43
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Problem when passing a long data to a service on Android

I try to pass a variable of type long to a service which is the time in which it is going to run but it marks me the following error 9-27 00:33:16.364 14153-15553/com.android.controlmovil E/AndroidRuntime: FATAL EXCEPTION: IntentService...
asked by 27.09.2016 / 07:27
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Show Image 1 second and then Remove it 1 second and then return it to show setVisibility

I need to show an image for 1 second since I spend 1 second to hide it for 1 second, and then show the next image in the list for 1 second and then hide it for 1 second until I scan all the images in the list. My problem is that my code only...
asked by 21.04.2017 / 08:26
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Control to show Cursor with android search engine

I have in my application a part where the user must select a contact from the list of contacts, I could and I managed to bring the list with the phone, like the following image: This here is a spinner, with a CURSOR as a data source, my...
asked by 19.10.2017 / 20:11
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Transitions of various android views

please I need help with transitions. in my activity_main2.xml I have two views one is a ImageView and another one FloatingActionButton what I want is that when I enter activity 2 from my activity 1 I do it with animation but...
asked by 23.03.2016 / 13:49
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Animate images in a ListView

I want to animate (rotate) an image that I put in a ListView when the user clicks on a certain item in the List. How do I get the image and apply the animation when I click on the list? public class ListaConImag extends AppCompatActivit...
asked by 05.04.2016 / 16:43
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Drawn of polylines in Google Maps Api

I have managed to trace the routes on the map, what I want to achieve is that the union between the polylines is rounded, or that there are no sharp cuts between strokes. Stroke achieved: Stroke to which you wish to arrive: public...
asked by 05.01.2017 / 01:38
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Listen to the Android keyboard to detect when a particular word is written

I would like to be able to obtain the keys that the user is clicking within an activity to know when he has written a specific word on the Android keyboard. So far I have used the onKeyDown method without much success: @Override public boolean...
asked by 27.03.2017 / 18:00
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Problems closing SearchView

I have some problems with closing my SearchView The first: SOLVED When I search in my listview and enter the Activity that it finds, when I go back my SearchView is still open How can I make it close automat...
asked by 08.02.2017 / 17:33
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BroadCast Receiver java.lang.NullPointerException

I'm doing an Android application for a barcode grabber, basically what the application does is: From a navigation menu I select a winery that takes me to a fragment and in this fragment I have a spinner and two text view, I select a spinner p...
asked by 25.10.2016 / 17:06