Questions tagged as 'android'

Tagged questions
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Problem retrieving values from firebase to list

I am making a list, and in this list I pull the following information id, idPost, description, userName and photoUser. But to popular (add) data to this list I'm using the following code snippet inside an activity: itensSalvosRef =...
asked by 15.11.2018 / 12:47
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App cleaning data from the main page, when switching to secondary pages (IONIC 3)

I have the 'orders' page as the main one, where you have the button to select the client, and select the products. When I click on 'select client' selectClient () method, it sends to 'select-client' page, where it is a list, selecting client,...
asked by 16.11.2018 / 11:59
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List returning null values

I'm doing an item listing, in that listing I bring the following information id, idPost, description, userName and photoUser. After setting the values, I checked them and I'm all displaying correctly, but when I try to display it it shows as...
asked by 06.11.2018 / 17:50
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File sent to firebase has 0Bytes

I have a problem, I can send the pdf to the storage, but it is arriving with 0Bytes. I am not sending any files, but inside this structure I would like to know how to get the uri from the pdf file. private void uploadFile() { try {...
asked by 25.09.2018 / 02:43
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Rename ImageView to Upload

Good morning, I would like to ask a question, my APP so far the guy takes a picture of the phone and stays in an ImageView (Ex: img1), I need to create a name defined by me in a variable example: 04102018_Foto1.jpg, would have some way so I c...
asked by 04.10.2018 / 16:56
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How to show data from a db in 3 tabbed fragments?

How to display the data obtained from a database in a tab with 3 fragments. I already get the data in the activity that is on the tab. My difficulty lies in playing this data on controls that are arranged in the 3 fragment. MainActivity p...
asked by 19.10.2018 / 07:09
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Apply setItemOnClickListener to Button GridView. Kotlin or Java

I've done a gridView of buttons, but when I use the setOnItemClickListener method to trigger the respective buttons, it does not work. I want to use the buttons so that I can trigger an intent, knowing that you can only trigger an intent with...
asked by 16.10.2018 / 14:43
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Android ActivityCompat

Hello from what I researched from android 7.1, it is necessary to request permission to run for user and it is necessary to use the ActivityCompat class to do this, my application saves a PDF to disk and opens it, however I can not use th...
asked by 04.09.2018 / 18:07
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Multilayer Tablet Does Not Load Svg Positioning Correctly

I created a character using SVG, which appears disassembled on the tablet within the webview, this happened in the tablet's default browser as well:    Multilaser       Android 4.4.2       Model Number: ML02-M9-Quad-Core    QuadCore-A33...
asked by 08.10.2018 / 15:38
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Send data from RecycleView to Activity

Well, I'm new to Android development and would like to know how to pass the value of the selected option in Recycleview to an EditText that is in another Activity     
asked by 23.08.2018 / 02:21