Questions tagged as 'android'

Tagged questions
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How to list Json data with Httpurlconnection in Android studio

I have my web service Rest and I need to put the json in my android application, for which I am doing it in ANDROID STUDIO and put it in a recycler view with cardview. { "data": [ { "not_idnot": 1, "not_idadmin": "A0001", "not_autor...
asked by 16.06.2018 / 07:04
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how to delete a firebase record from android studio?

.I've done an app where you insert data from android studio to firebase with 3 EditText so and what I need is to delete data but I do not know how to do it, the truth is that I am still new and I would need help ... the deletion coul...
asked by 21.06.2018 / 21:01
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create a table Layout ANDROID

Good morning, I would like to know what method or what to implement to achieve something similar to what the image below shows     
asked by 22.06.2018 / 01:59
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List knots from firebase database

I want to list from the firebase database 2 knots: I have a knot that I call Restaurant and another Categories. In Categories I have two different knots where I put 2 knots children who in turn have children. I want to list in a recycleview...
asked by 15.06.2018 / 22:01
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Fragment search containing ListView elements

I have a fragment called Praise which contains ListView elements. I want to implement a search bar of the existing elements in the ListView but I do not know how to do it, until now I have tried to implement with the searchView but I do not achi...
asked by 18.06.2018 / 03:10
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Convert json to a serialized object

The problem I have is that I receive a data model of a service in json format. This model can not be modified on the server side. The problem is that some fields of that model are not consistent. I am using a data model in kotlin in the follo...
asked by 15.06.2018 / 18:06
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Screen dimensions not effective?

I apply the form to obtain the dimensions of the screen, but something fails because apparently it is not fulfilled in all the resolutions. If for example I define the points for a small resolution, those points are slid down as I run the app...
asked by 24.06.2018 / 19:16
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Statistical charts in bars and sorted by dates

I'm doing an income applet and savings I want to make income and savings represented in the form of bars that would be 3 and can be sorted by week month and year and compare how much income and how much saving each one with their respective colo...
asked by 24.06.2018 / 06:54
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AsyncTask # 1 Error in Android Studio

Good day, I am new to Android Studio but I have to create an application of a single activity in which with a button activate the reader (I am working with RFID readers) of the device that has the application installed. I have two buttons, on...
asked by 18.06.2018 / 17:29
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Update UI from an asynctask

from an activity where I have a simple listview of three items and each one has a counter (set) for example: item1 has 2 units item2 has 3 units item3 has 4 units. That number of units is a value set by the result of the asyntask public cl...
asked by 18.06.2018 / 20:24