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After updating my app sometimes all old widgets disappear from home screen. And in app launcher/wid… Read more Widgets Gone After App Update

I am working to set some programming practices standards for my organization. Doing so i came acros… Read more Declare Local Variables As Late As Possible Or At The Nearest Curly Brace They Belong?

So I have a mobile web that would try to open my android app, if it does not exist, it would fall b… Read more Pass Referrer Data Through Chrome Intent To Google Play

How can I get a list of the languages which the user has added to their device? In the example belo… Read more How Can I Get A List Of Languages Which Are Enabled By The User In Their Android Device?

Am introducing my first Kotlin code (a new activity) into an established Android app. Using Androi… Read more Kotlin Activity Not Included In Apk

When starting Android Studio, I get this error: Error:Unable to resolve dependency for ':app@d… Read more Unable To Resolve Dependency In Android Studio

I have updated my Android studio to 3.0 and then he asked to upgrade to 'com.android.tools.bui… Read more On Gradle:3.0.0 More Than One File Was Found With Os Independent Path 'meta-inf/asl2.0'

Ubuntu 10.04 64-bit looks promising as a development environment for Android. I now have it up and … Read more Which Jdk For Android Development On Ubuntu 10.04 64-bit?

I'm trying to make a Fragment to show a Dialog using DialogFragment API. My dialog only has an … Read more Communication Between Fragment And Dialogfragment

I'm using a ViewPager to display 3 ListFragments of the same class, but the ListView content of… Read more Fragments In Viewpager - Wrong Index?

I am trying to open a specific folder in android ?Is it possible to open a specific folder ???? thi… Read more Trying Open A Specific Folder In Android Using Intent

I've been asked which format I need the music for my project in and, looking through the docume… Read more Recommended Android Music Format - Mp3, Ogg Or Other?

I want to insert a pause in my create after loading the layout before I start a video. The layout l… Read more Preventing Thread.sleep From Blacking Out Screen

I need to handle orientation changes in my Android application. For this purpose I decided to use O… Read more Problems When Handling Orientation Changes

I have a 10x10 array in Java, some of the items in array which are not used, and I need to traverse… Read more Array Access Optimization

I have a downloaded MP3 that I can verify as MP3 by adb pull to my mac or pc and play in its respec… Read more Android Media Player Fails Mp3 With Pvmferrnotsupported?

How can I hide or remove the status bar in Android HoneyComb? Every time I run my application, I f… Read more How Can I Hide Or Remove The Status Bar In Android Honeycomb?

Guys i am developing Camera Application and this is my first android Application. below i am Adding… Read more How To Apply Custom Filters In A Camera [surfaceview Preview]...?

I am trying to place tabs on the bottom of the screen and have each tab display a different activit… Read more Android Having Tabs At The Bottom Of Screen?

I tried using Integer.parseInt(), but it doesn't convert it EditText's String input to inte… Read more Convert Edittext Input To Integer And Multiply?

Say, for an ImageButton on screen A (240X320: ldpi) and screen B (720X1280: xhdpi), is it recommend… Read more Is Modifying The Dp Size As Opposed To Pixels Recommended For Various Screen Sizes?

I am doing something like when a service get started, a custom toast notification shows up. The cus… Read more Android Findviewbyid In Service

Android: how to set the height/width of the image(src image intead of the background) of a ImageBut… Read more Android: How To Set The Height/width Of The Src Image Of A Imagebutton?

ERROR: FATAL EXCEPTION: main Unable to start activity ComponentInfo Caused by: `java.lang.NullPoin… Read more Fatal Exception: Main Unable To Start Activity Componentinfo Caused By: Java.lang.nullpointerexception

I use androidx.camera.camera2 library in my application. This library for SDK 21 and greater. But i… Read more Android Application With Camera2 Library Crash On Start For Sdk19

I have a webpage that I would like to view when I am not in a WIFI area on my Nexus 7 tablet. How w… Read more How To Download A Webpage For Offline Viewing On Nexus 7

So I've been trying to use an expandablelistview as an elegant interface for my application, bu… Read more How Can I Make Persistent Changes To Children In An Expandablelistview?

When I click on a InputText, the first letter of the keyboard begins on uppercase. As I am entering… Read more Initial Keyboard On Lowercase

I have a very simple class that sets and cancels an AlarmManager to broadcast intents: public class… Read more Could Alarmmanager.setinexactrepeating Not Broadcast Intents When The Device Is In Sleep Mode?

How to make complex view (which has its own background, imageview and textview inside it) gradientl… Read more Make Complex View "gradiently" Transparent

I have spent days reading the docs and following various tutorials for this but I am getting errors… Read more Retrieving Content Uri Using File Provider Fails

Does anyone know how to delete a client topic from the Firebase Console? Solution 1: There is no w… Read more How To Delete A Topic From Firebase Console? (fcm)

My Google Maps activity searches for addresses with Google Maps Geocoding API V3. I see that someti… Read more Google Maps Geocoding Api V3 Search Ok With Wifi But Responses Over_query_limit With Data Connection

I've implemented Content Provider that retrieves data from a service installed on network. The … Read more Unsupportedoperationexception While Calling Getsharedpreferences() From Unit Test

I'm using spinner controls in an Android application, and I handle user selections via an onIte… Read more Why Is Onitemselectedlistener Only Called When An Item Changes, But Not On Every User Selection?

According to android training if you extend GestureDetector.SimpleOnGestureListener, and return fal… Read more The Meaning Of Returning False From Ongesturelistener.ondown()

I am trying to collect power usage statistics for the Android G1 Phone. I am interested in knowing … Read more Getting The Battery Current Values For The Android Phone

I am trying to display a blue line next to a block of text, pretty much like this: Here's my c… Read more Android: Fit Height Of Drawableleft In A Textview

I have a Java interface: public interface NonHindiQuery { void onNonHindiQueryReceived(String Q… Read more Implementing Java Interface In Kotlin

Ok guys, I did ask before on how to create a way to run a code always in my app. It's similar t… Read more Service Accessing A Database

Here is my code: public class MainActivity extends Activity { private static final int CON… Read more Alertdialog With Custom View In Oncreate()

In the last ~24 hours, we've seen a few thousand crashes within Google's MediaNotificationS… Read more Large Number Of Remoteserviceexceptions In Google's Cast Medianotificationservice

The horizontal progressbar in ActionbarSherlock is too thin, and is very hard to see. How can I sty… Read more Styling The Progressbar In Actionbarsherlock

What i am trying to do is and failing miserably is this: In my view I have an auto-complete Textvie… Read more Android Correct Way If Implementing Filterable In Auto-complete

i am working on a MP 3 Player which contains changing the Pitch and Speed of playing MP 3 , so tha… Read more How To Use Mpg123 In Android

I have presenter which calls getShops() method. Observable > observable = interactor.getData(); … Read more How To Make Multiple Requests With Reactive Android And Retrofit

I have a class that extends GCMBaseIntentService, when I get a message from gcm function: @Override… Read more I Have A Service Gcm In The Background, How Do I Know If The App Is Open Or Not?

I have a listview inside my ConstraintLayout and I read its supposed to automatically be scrollable… Read more Listview Inside Constraint View Gets Clipped And Not Scrolling

When I read about communication between an Activity and Service, I found that we can use either I… Read more Sending Data From An Activity To Wearablelistenerservice

I am working on an android app, please tell me, How to show only videos folder? this code shows all… Read more How To Show Only Videos Folder?

I want to do sum of multiple child nodes in Firebase real-time database Here is my database, in th… Read more Firebase Database Retrieving Sum Of Multiple Childs

I'm writing an Android application that contains lots of long lists and I need to accelerate sc… Read more Android: Scrollbar Accelerator?

String CREATE_ASSIGNMENTS_TABLE= 'create table ' + ASSIGNMENTS + '(' + TITL… Read more Sqliteexception: Near "references": Syntax Error

I have tried many options but my webview does not scrolls vertically as it scrolls fine horizontall… Read more Webview Scrolling Issue In Android?

We have spinner between two text boxes in my Android screen. When the focus is on 1st text box and … Read more Android Softkey's Next Button Not Taking Focus To Spinner

I am in the main activity. There is a Login button bLogin. When it is pressed, a Logout button is d… Read more Android Alarm Not Cancelling

I am currently facing difficulty trying to group the switches inside recylerView. I have attached … Read more Grouping Switches Inside Recyclerview

hi i have an alarm here and i want a way to cancel it AFTER a period of time like a day for exampl… Read more How I Can Cancel An Alarm After A Period Of Time? | Android

Following is my xml code: Solution 1: A combination of android:numColumns="auto_fit" and… Read more Which Stretchmode To Use In Gridview On Android

I want to implement viewpager. In my view pager i need to show the images that comes from the Rest … Read more Implementing Viewpager For Displaying The Images That Comes From Server