Questions tagged as 'android'

Tagged questions
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Use of api from google maps

In my app I use the Google Maps API. I use the api in 2 parts of the app, in one if it works correctly but in another does not show me the activity, my question is as follows: Once this is enabled in the app, it can be used anywhere and how many...
asked by 17.02.2017 / 11:36
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Problem Toolbar and ScrollView Android

Good morning friends, I have the following problem I hope someone can help me. I have a Toolbar and a ScrollView, what I want is that when having the focus on the EditText, the toolbar does not disappear from the screen in such a way that the...
asked by 16.02.2017 / 18:56
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Android: Difference between handleActionRun and onHandleIntent (IntentService)

What is the difference between these 2 methods. I've created a Intent Service and I'm not sure where I should perform the actions. Could someone explain to me in a simple way these two methods?     
asked by 13.01.2017 / 13:22
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From Sqlite to MySql (several records at once)

How to make a selection to the records that I created with my "high" method (to see that I save them as I want) my problem is that I want to create the table without a PK, and I also wanted to know what the form is more useful to upload the data...
asked by 22.12.2016 / 17:39
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Get web toi api / asp from java / android

Hello wrote a web api in C # to authenticate, using postman sent the parameters and returns the token correctly, I will leave at the end of post the parameters for testing, and searched for a number of code to bring para...
asked by 05.01.2017 / 16:04
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How to pass data from several activities to another to store them in a file?

I have problems trying to collect information from a form that I have divided into several activities into a tabhost. In my MainActivity I have a button that shows a screen where the file will be named, it will be saved and its content...
asked by 16.01.2017 / 20:49
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Problem when compiling Android app in Xamarin

I am a beginner in the world of mobile development, I downloaded Xamarin Studio (Mac) to start programming apps for the three environments, but I have a problem, I think, with the Android SDK. The first time I created an Android app, when I...
asked by 26.12.2016 / 14:14
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how to know if a polyline is showing on the map?

my android project contains some markers, my idea is that by clicking on a marker a polyline is generated up to the marker from my current position, the problem that I have, is how to know if the polyline exists to erase it and add the new polyl...
asked by 14.12.2016 / 03:45
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SQLite + Webservice (json) - MySql

I am developing a tracking application with the class LocationManager accessing the latitudes and longitudes of the gps and uploading to the server with jsonparser every minute by means of a Handler . I want to make a lo...
asked by 16.12.2016 / 15:38
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FCM, I can not create topics / topics to send notifications

I have an application that uses the firebase notification service, the problem is that I can not create topics or topics, seeing the documentation would be created with the following line: FirebaseMessaging.getInstance().subscribeToTopic(nueva...
asked by 09.12.2016 / 17:29