Android Tech Blog

I am working on an android app that should invoke android HP ePrint application for wireless printi… Read more Invoking Hp Eprint Android Application

I want to exclude some clasess from JaCoCo but the exclude doest seem to work. For example i want t… Read more Jacoco Gradle Plugin Exclude

I have activities with custom style, I want my activity with a custom title bar so I created below … Read more Datepicker With Different Style Than Activity

How to get the DiscussionHistory of a MUC room from MultiUserChat? I am able to create MultiUserCh… Read more How To Get Discussionhistory For Multiuserchat Room Using Asmack?

I am working on animation, I have one Layout and list-view and I am applying animation to list-view… Read more Animate Listview From Back Of Layout

I want to get a hard location fix every certain minutes & a soft location fix every certain min… Read more Android Fused Location Won't Deliver Periodic Updates

I have been looking a solution since last week. I have an application which is having a connection … Read more Android Proguard Enabled Apk Not Connecting To Azure Server

I'm writting an Android App and connect to Azure Service bus - Topic. I write code to connect t… Read more Connect Azure Service Bus On Android By Rest Api

I have a user input Activity that passes EditText data back to a RecyclerView list of CardViews. E… Read more Toast Gets Intent Data Why Doesn't Cardview In Recyclerview?

I am trying to cancel a dialog from the mainthread while the 'doInBackGround' method of Asy… Read more How To Dismiss Dialog While Doinbackground Is Running In Asynctask?

For debugging purposes I would like to dump the content of an input stream into a file while it is … Read more Is There A Simple “tee” Filter For Java Input Streams?

I have been trying to add the firebase performance dependency, I followed Get Started with Firebas… Read more Cannot Find The Firebase:crash-plugin:1.1.0

I am getting following error while Version Creating My Database. 01-18 12:08:01.157: ERROR/AndroidR… Read more I Am Getting Error While Version Creating My Database

i want to perform 2 tasks. First should repeat once in every 10min Second should repeat every minut… Read more Schedule Two Tasks Subsequently In Android

I have this main activity. I have called the validate method on Login button. But, when I click on … Read more Inflate Exception- Error Inflating Textview

Is there a native way of escaping strings for Ormlite for Android? For example, if I want to supply… Read more Ormlite Escape String Method?

I'm studying android using NDK with opencv. I success using ndk. So I get usable data ( I mean … Read more Android Tesseract Error. Data File Not Found At

I am attempting to add a custom annotation to serialize specific values in my model to null when ca… Read more Using An Annotation To Serialize Null In Moshi With Nested Event

I have managed to implement usage of the ACTION_IMAGE_CAPTURE intend in order to take a photo in my… Read more When Using Action_image_capture Why Is The Preview Image Blurry

I´m trying to use spring android to parse an xml that looks like that on my android code (to serial… Read more Marshalling And Unmarshalling Xml File In Android

I need to create a simple layout with two form widgets (for example - two buttons). The first one m… Read more Android: How To Create This Simple Layout?

Does anyone has practice of using Pull to refresh list with Pinned section header? I use Android-Pu… Read more Pulltorefresh List With Pinned Section Header

Solution Given below I am using volley library to upload image. Condition is I require to send key… Read more Upload Image Via Volley Throwing Error. Having Array Of Image And Array Of Text

I want to reduce the height of selected tab indicator, I have used 9 patch image for it. Can you pl… Read more How To Set Tab Widget Indicator's Height In Android?

Error:Execution failed for task ':app:dexDebug'. com.android.ide.common.process.ProcessExc… Read more Error:execution Failed For Task ':app:dexdebug'. Parse.com

I am getting NullPointerException and I couldn't fix it. Could anyone please have a look at my … Read more Nullpointerexception Android

I have 3 buttons the layout.xml below where they appear below of each other... Solu… Read more Linear Layout With Two Buttons Side By Side - Android

I have a URL for a video file which I need to play using the native Video-player of the handset. I … Read more Best Way To Play A Video File?

In Android 4.4 kit-kat version I saw my writing app is using high battery power ... in my applicat… Read more How Can I Save Battery Power Using In Writing App

I am trying to show a Toast on the lock screen after a user enters the wrong password 3 times. I am… Read more How To Display Toast On Lock Screen After Failed Password Attempt

I am using Navigation Component to build my application. I would like to implement SingleTask launc… Read more Navigation Component Singletask Launching Of Fragment Navigation

You can add the app:layout_behavior='@string/appbar_scrolling_view_behavior' behavior to a … Read more How To Add And Remove Layout Behavior Programmatically To Linearlayout

I have an android app and hosting a web site under webview, i have a requirement to open youtube ap… Read more Open Youtube App From Android Webview

From within an Android app, how to show the system Voice Recognition Settings screen? Note: there i… Read more How To Display Voice Recognition Settings Screen Programmatically

Ok guys so this becoming extremely annoying trying to get my project to work when exporting/ Progau… Read more Proguard Can't Find Referenced Class Com.google.ads.internal.state.adstate

I need to keep rough track of a users position, but not really in real time. It's sufficient to… Read more Get Location History In Android App?

I send SMS with this code SmsManager smsManager = SmsManager.getDefault(); smsManager.sendTextMessa… Read more Send Sms With Accents

I want to show a photo series with no gaps in-between the photos, where photos change in a regular … Read more Fetch Images With Callback In Picasso?

How do i change the Overflow Menu icon on the far right of the action bar as seen in the image belo… Read more How To Change Android Overflow Menu Icon

I am trying to get onItemClick on ListItems to work from a fragment. Here is my code: public class … Read more Setonitemclicklistener Event Doesn't Work In Fragment

This is how I'm using ListView.builder and it is taken in Column with Expanded widgets. I have… Read more Listview.builder Bottom Overflow By Pixel In Flutter

Ok, I've been trying to optimize my photo gallery for days now (this is my first Android projec… Read more Correct Usage Of Universal Image Loader

My app is using images from folder /storage/emulated/0/Android/data/com.android.providers.media/alb… Read more Android Image Files Deleted From Com.android.providers.media/albumthumbs On Reboot

I'm trying to build a Tabbed View that has lists as children. Both the Category labels and the … Read more Dynamic Children For Tabview In Flutter

Background Suppose I've found a contact by using some query on the address book. Found it by pe… Read more Is This How To Correctly Set A Photo To A Contact On The Address-book?

I have been trying to get thumbnails to work with an AsyncTask for image files in a ListView. I hav… Read more Android Listview Updating Of Image Thumbnails Using Asynctask Causes View Recycling

Before I ask the question, allow me to paint a picture. Say (for whatever reason you fancy) that in… Read more Custom Xml File To View

I'm trying to add subItems in my ListView. My listView should be organized with emails for item… Read more How To Add Subitems In A Listview

How do I start a fragment in my Android application from a notification in the notification bar? I&… Read more Launch A Fragment In My Android Application From The Notification Bar

I have simple post-image to Facebook implementation: Bundle params = new Bundle(); params.putStrin… Read more Android Post To Facebook Image Timeout

Based on the following code, can you tell me how to refresh the PreferenceActivity window to show c… Read more How Do You Refresh Preferenceactivity To Show Changes In The Settings?

I have used cocos2d-x to develop the game. now i have applied pro-guard to it, resolved all the war… Read more Implement Proguard With Cocoas2d

I am currently trying to authenticate with a server via a http Get call. The code provided below wo… Read more Https Request, Authentication In Android

SOLUTION: It might not be the best or the prettiest solution, but it works. Start a new thread so t… Read more Other Thread Wont Let Me Change Activity Layout!? Android

I'm using an ExpandableListView to get an expandable list. I have 3 expandable 'parent'… Read more How To Add Different Child Lists For Different Parents Lists In Expandablelistview For Android?

I just released my app to the Google Play Store, and the signed apk was published successfully. How… Read more My Newly Released App Can't Be Installed: Error Code: -504

I am new to Android development. By following this tutorial I got errors The import com.google.andr… Read more The Import Com.google.android.gms Cannot Be Resolved

is there any known issue of bootstrap 3.0 (the latest one) on android phonegap. I am able to see th… Read more Bootstrap 3.0 On Android Phonegap

My app crashes as soon as this activity starts. It doesn't crash on clicking the button. The co… Read more Bing Translate Api Not Working

I would like somebody to give me an example code to parse only the first google result. For example… Read more Parse 1st Google Result Android Code

I am new to mobile development with a requirement to develop applications for Android and IOS. My p… Read more Cross-platform Mobile Development Language

How can i retrieve all the childs from 'compresor_1' for example? Firebase database: 'C… Read more How To Retrieve The Data ? Firebase 3.0 Database

I have been playing around with the Firebase ML Vision https://pub.dartlang.org/packages/firebase_m… Read more Running The Firebase Ml Vision Api Calls Inside A Compute/isolate Function

I am trying to get exactly like the below image. But I am able to get the below one right now. Her… Read more Preparing Custom Action Bar

Possible Duplicate: Does anyone know of a good JSON time server? Is there any public json or xml … Read more How To Get Time From Server In Android?

Can anyone point to a good source or come up with a brief listing of conceptual android programming… Read more Important Dont's For A Good Android App Design(beginner/novice Level)?

For a custom AlertDialog, can I override the positive button to NOT close the dialog? instead I wan… Read more Alertdialog - How Can I Run Checks When User Hits 'ok'