Most voted "android" questions
Android is an operating system for mobile devices developed by Google and the Open Handset Alliance. Use this tag to reference questions related to programming for Android and be relevant only to this operating system. Use the [android-subject] tag instead of [subject] alone.
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answer380
viewsError while consuming webservice Soap on android
I have a web service whose wsdl is this: which rotor the next one runs in the browser: <!-- Published by JAX-WS RI at http://jax-ws.dev.java.net. RI's version is Metro/2.2.0-1 (tags/2.2.0u1-7139;…
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answer124
viewsSharedpreferences within each Listview item
Let’s get to the point: I have two items in my ListView: Item 1 Item 2 Inside each item has a calculator that stores the result. Whereas: Item 1 = 0 Item 2 = 0 In the calculator that is in item 1, I…
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answer3184
viewsHow do I adjust my app to the screen size of multiple devices?
Good afternoon, I am developing an application in Android Studio and it is well adjusted in my Motorola Moto X 2nd Generation. However, in my Samsung Galaxy Note 3, Motorola Moto E and Motorola Moto…
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answer212
viewsA little problem in Eclipse
There was, yesterday, asked a question right here on the website regarding a problem in my Eclipse ADT. I heartily thank the lucky, whose name I don’t remember, for helping me! The way was to…
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answer386
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answer254
viewsException when searching in Sqlite bank
12-10 09:25:36.029: D/dalvikvm(21543): VFY: replacing opcode 0x6e at 0x0002 12-10 09:25:36.279: I/Adreno-EGL(21543): <qeglDrvAPI_eglInitialize:410>: EGL 1.4 QUALCOMM build: () 12-10…
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answer50
viewsDoubt how to jump 7 in 7 in the ids of own onItemClickListener android
How to make a condition in which it will jump 7 by 7 because I’m having to set it manually in hand, and if you have data on the defined ids, it will give error there would complicate . Below is an…
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answers35
viewsCross-Platform Visual Studio 2012 C# | Android
Is there any solution outside Xamarin to develop in C# Android applications? Accessing features like GPS that we can trust and develop business applications?
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answers86
viewsApplication closes at the touch of the button
When one or more EditTextare empty the tap on the button should show the message of the Toast, but the application closes. Why? public class HomeActivity extends Activity { int rcpNum, fckNum,…
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answers532
viewsMake the application wait for the answer of a Broadcastreceiver
I need to send a list of SMS messages. The problem is that when there are many, they seem to jam the sending, locking the function. So I’d like to send one at a time. I’m trying with the class…
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answer104
viewsWhat is the name of the menu that displays details on Android?
The menu that when you click on a title appears the options for you.
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answers1930
viewsHow to open pdf on Android?
In my application there is a button where when clicked, will open a arquivopdf, but could not get this file from the internet, would have to come along with the application, I am using the following…
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answer123
viewsHow do traffic control on Admob’s Android app?
My account has been blocked by invalid click, how to identify this ip and do something resolve problem.
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answers662
viewsCreating Labels for Zebra Printer
I need to create my own label to print on the zebra printer, if anyone has any experience with it,.. Thanks for your help! Better explaining: I have an application on android, I managed to make the…
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answers2275
viewsChange Action Bar title with Tab Bar
I have 3 Tab Bars that are at the bottom of the layout and the action bar at the top, as default. I need to know how to modify the title of my Action Bar every time a different Tab Bar is selected.…
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answers239
viewsHow to start an Edittext as null?
I want that when the user marks a Radiobutton, one Edittext that has already been started as null, appear, but I do not know how to do it.
androidasked 9 years, 5 months ago Wallace Baldenebre 114 -
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answer167
viewsopen a native android/Ios/wp app
I can open an app with a web link on Ios (ex: sms=numero), how do I open it on android and windows phone? there is another way to open for the 3 OS by html or some other script?
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answer177
viewsPre-development questions about android app with data synchronization
I would like to make a simple application to register users using java. But this app should keep a local database for offline data access and a cloud database to sync the information when I click on…
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answer495
viewsHow to change the focus of tabs on a Tabhost?
I have the following code. private void TabsCadastro(int visualizar,int origem) { TabSpec abaCLiente,abaEndereco,abaContrato; TabHost tabHost = getTabHost(); abaCLiente = tabHost.newTabSpec("tag1");…
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answer236
viewsInvisible radiobutton with spinner
I would like to know how to make the event change of a spinner it leaves visible or invisible a radiobutton. I have the following code. But it’s not working. <RadioGroup…
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answer219
viewsAccess site on mobile without being connected to network
I made a website on HTML5 and placed in the IDE called NetBeans ran the project and it came with the following url: http://localhost:8383/tecmov/index.html. Through it I can access my project from…
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answer2141
viewsAccess photo library by android app
Hello. I would like to develop an application that when clicking on an image (Imageview) accesses the camera and after taking the photo updates Imageview with the image. There is also another image…
androidasked 9 years, 11 months ago Luiz Henrique Ugliano 651 -
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answer63
viewsTextview does not update text inside an Arrayadapter
I am trying to update a text in a Textview inside the Adapter. The text is visually not being displayed even using notifyDataSetChanged(). I use other visual ways as for example enable disable…
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answer988
viewsWhat are the Android design standards?
Hello, I wonder if there are project standards for Android(Java), coding, etc and their similarities, differences, which is the most used, because I’m wanting to know more about the subject and I…
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answer555
viewsVisual effect when clicking the button disappears when I assign a background
I’m trying to make a simple button on an Android app. When inserting the button the effects worked normally, but after performing the background color change, the effect when clicking the button is…
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answers41
viewsApk of OCR , ndk build does not want to install
A few days ago I developed an OCR text recognition apk, to make this application it was necessary to install ndk-build. I need to continue the application but on a new computer, however ndk-build…
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answers188
viewsArraylist<Hashmap<String, String>> in a Base Class
I have the following Arraylist: ArrayList<HashMap<String, String>> menuItens = new ArrayList<HashMap<String, String>>(); for (int i = 0; i < 6; i++){…
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answers30
viewsArduino with Wifi connection
Good morning. I’m in the new here and I’m also starting with Arduino. How do I pass the data collected in Arduino via wifi to a mobile with Android? Wanted to create an application (Apk). It is…
androidasked 9 years, 5 months ago Hamilton Assunção 11 -
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answer1138
viewsRemove item from Listview
Well I have a list, in which there are some items that the user himself creates. With this I am also wanting to give the user an option to remove the items not to get accumulated, so I searched and…
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answer142
viewsHow to make a Listview responsive?
I wanted the items from ListView appear with a responsive size at different screen resolution, how do I? Because I set a size of images and text, which gets big on small devices Listview items:…
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answers387
viewsAdd all records before a specific date - Sqlite
I am wanting to add up values from several rows of my table (add up expenditure values) prior to a specific date (for example, add up all values that are lower than the date 2015-26-06). I’m using…
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answers238
viewsHttphostconnectionexception - Android
I did in the Visual Studio Community 2013 a simple Web API to register a person and receive a person, and I’m trying to consume this service with an android app, I’m emulating the application by…
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answer166
viewsGroup Textviews and then access them
Example: I have 3 TextViews and its id's: TextView tv1 -> id: "um" TextView tv2 -> id: "dois" TextView tv3 -> id: "tres" I would like to group them in some way that I can access them…
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answer171
viewsHow to make a generated pdf file on Android appear as a download?
Well personal, I am developing an app and I Gero a PDF on Android at runtime. It turns out that the user does not receive any message, or anything, to know where the file is. I wonder if have how I…
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answers1486
viewsConvert a bitmap image to a URL and set in Imageview
Well I would like to know how to set a URL in an Imageview variable, I do not know if I was clear? private final DisplayImageOptions options; public NoticiasAdapter(Activity activity, List objects)…
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answers275
viewsHow do I view downloaded images through the URL in a Listview?
The code I have so far is as follows:: import java.io.BufferedInputStream; import java.io.IOException; import java.io.InputStream; import java.net.URL; import java.net.URLConnection; import…
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answer124
viewsView notification every day
I’m wanting to show a notification every day at the same time, I managed to show a notification at a time , more when it arrives at the same time again it does not appear Myactivity Calendar cal =…
androidasked 9 years, 10 months ago Ilgner de Oliveira 1,098 -
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answer290
viewsError running project: Cannot set up guest memory 'android_arm': Invalid argument
I am unable to run my application, first get out a corrected memory error so as not to exceed the maximum in MB. Now, out comes this mistake I didn’t quite understand, saying that the Arm is…
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answer1036
viewsSave server images to my application
I am developing an application that after installed, the first time it is initialized it goes to the server to fetch all the images necessary for the user to use the application. I chose the library…
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answer97
viewsSearch Locations by category
I’m using the google Places api that returns a JSON, managed to search for sites by lat and long and also by placeid, now I need to search the site for tipo/categoria for example: restaurant, gym,…
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answer1775
viewsError importing Eclipse project to Android Studio
Every time I import my project "Radio__santana" from Eclipse to Android Studio, returns this error: * C:\Users\Cliente\AndroidImageSlideShow\AndroidManifest.xml: Invalid XML file:…
android eclipse android-studio importing android-manifestasked 9 years, 10 months ago Kauan Kubaski 477 -
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answer1073
viewsProblem showing date on Android
When displaying a date that has been entered in the database, of type DateTime, the app shows the current date: I’d also like to convert that date to dd/mm/yyyy to adjust to a portrait layout. Part…
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answer184
viewsAdd Andengine as a library to my project in Android Studio
I’m trying to import the project AndEngineby Github and then add the extension AndEngine Physics Box2D. I’m doing the steps: I created my project I installed Git and added the C: Program Files path…
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answer92
viewsDimension of a display - Android Canvas
I’m doing some tests with an image on Android using the Canvas class. I’m using a Samsung Galaxy Mini S3 and a Samsung Galaxy S2. Physically the appliances are different (the screen of the S2 is…
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answers81
viewsApp with Maps
How do I use maps in the app? Is it through certificate generated on my pc that then validates on the web? I can make application of this genre in the eclipse?
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answer46
viewsFragmentactivity with Actionbardrawertoggle
I would like to create a Drawer with a Actionbardrawertoggle. I’m following this tutorial! My only change is that I’m extending a FragmentActivity and not a Activity as the example. When I run…
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answers132
viewsKill application without root
Is there any way to kill another application (other than mine) via code without using a root command for it? I’m trying to use the command "am force-stop" but without success.
androidasked 9 years, 4 months ago Luiz Henrique Alegria 11 -
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answers729
viewsAPI for reading OCR(Optical Character Recognition) with ANDROID
Good evening folks, I would like to know if anyone knows or has ever worked with an Api that provides OCR read solutions for Mobile platform. If possible list some for me. I thank you already.…
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answers27
viewsA "extends Tabactivity" class cannot instantiate methods from other classes?
I made some tabs via java code and needed to receive a method from another class that would return an array, scan the array and fill my tabs, but from the error of "Nullpointerexception" and when I…
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answer2186
viewsHow to release the data that are in the "date" folder of Android phone?
I’m making an app where I create the forms from database data, but nothing is appearing on my phone can only view in AVD, how do I release it?