Index Android

I know this question has been posted plenty of times, but I still unable to solve even i have tried… Read more Cannot Find Symbol Method Getsupportactionbar()

I'm trying to render some particle effects in Android using OpenGL. Each particle will be a bil… Read more Drawing Many Textured Particles Quickly In Opengl Es 1.1

i am trying to send text message in private dialog, everything works fine until i create private di… Read more Quickblox Attempt To Invoke Virtual Method Sendmessage On Null Object Reference

I want to create a progress dialog which inflates another XML file. So I tried the following code p… Read more Create Progress Dialog With Another Layout

There are some horizontal black lines between my list items.How can i erase them? There are not par… Read more Black Lines Between Listitems,how To Erase Them?

I'm developing an accessibility service in xamarin.android. all is fine, but I want the broadca… Read more C# Android: Get Broadcast Receiver On A Service?

Solution 1: Create a class which extends PreferenceCategory. public class CustomPreferenceCategory… Read more How To Change Title Text-color In Preference Category

On my stm32wb55, I am using the 32bit-timer 'tim2' for reading the time from 32bit-register… Read more Get 64bit Timestamps From A 32bit Timer

I am working on an Android app with a listView and am in the process of optimizing it. It uses a c… Read more Why Does Wrap_content Fire Bindview More Than Once

I have few grid items. Depending on the flag, I want to disable some grid items For example: Grid … Read more How To Disable Grid Item When Activity Is Loaded

It looks like a bug in 5 Android(API 21). I need a textview on button, textview should placed above… Read more Textview On(above) Button, Doesn't Work In Android 5(api 21)

I use a material icon (ic_play_arrow_black_24dp), imported it with the vector studio. Now I want t… Read more Android Mirror Vector Drawable

At the time of multiple data with the help of that I am plotting the polyline with lat and long val… Read more How To Get The Specific Data In Click Of Polyline?

I am receiving this exception in LogCat every time I press the Back button in my app: Activity has… Read more Licensechecker Checkaccess Leaks Serviceconnection

I tried this: Query firebaseSearchQuery = myRef.orderByChild('from').startAt(searchText).e… Read more It Is Possible To Have A Contains Search Query In Firebase?

I have the following LiveData variables in my ViewModel (simplified example): I'm trying to us… Read more Observing Mediatorlivedata Issue

in my app, i have large images, i display it in an image view by hard code the size as 60 X 60 dp. … Read more How To Reduce Large Image Size To Thumbnail Size In Android

I just have a TextView in a ScrollView which can contain different text. The size of the text is al… Read more Textview Size And Scrolling Issue (android)

When I try to put my weather widget on the homescreen I want to give the user an option of choosing… Read more How To Apply Changes To Widget When Placing It On The Homescreen In Onenabled?

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 tried to follow the tutorial: Push notifications to Xamarin.Android (the iOS part works already) … Read more How To Implement Push Notification For Xamarin Android

im trying to send a file in android through sockets. i want to add the filename with the bytestream… Read more Android Add Filename To Bytestream

Here's my code. I'm getting the error The constructor ArrayAdapter (MainFragment, int, Stri… Read more Getting A Constructor Error With Arrayadapter In A Listfragment On Android

I have recently extended from an ImageView to create a CircularImageView class which makes the imag… Read more Custom Imageview Class Not Working With Picasso Image Downloading Library

I'm saving an object saveObject(myKey, object); static public void saveObject(String key, Obje… Read more Initializing An Application Object And Calling A Method On It While Application Is Closed Results In Null Reference Error

I am trying to align two TextView one is inside HorizontalScrollView, and both are children of Line… Read more Getbaseline Of Textview Returns -1

One of my main AsyncTasks seems to be crashing occasionally (the progress bar freezes and the proce… Read more Asynctask Crashes Sometimes

I have taken the demo analog watch face, and tried getting the system indicators to appear at the b… Read more System Indicators Do Not Respect Gravity.bottom

I'm getting the following error on all app builds since this morning: FAILURE: Build failed wit… Read more Illegalaccesserror: Tried To Access Method Com.google.common.io.files.filetreetraverser()

picture This view is not constrained, it only has design time positions, so it will jump to (0,0) u… Read more Why Android Studio Show Error Of "missing Constraints In Constraintlayout"?

I have tried this Multiple pages at the same time on a ViewPager, I couldn't customize it same… Read more How Is Playstore App Displaying Multiples Pages On View Pager

I create a ListView in my widget and getting the result from a web service. I don't have any pr… Read more Items On Listview In Widget Doesn't Display [android]

How do you make a radiobutton where you change the drawable with android:button and have text on to… Read more Radiobutton With Text On Top

I am trying to use navigationeditor with bottom navigation view, but it seems that bottomnavigation… Read more Bottomnavigationview Does Not Exists

some audio file url not playing in mediaplayer here my code mediaPlayer = new MediaPlayer(); … Read more Mediaplayer Not Playing Live Stream For Some Audio File

I actually use this Calendar calendar = Calendar.getInstance(); final String currentDate = DateFo… Read more Java Android Calendar/dateformat This Format Xxxxxxxx

I have a WebView in which I load a page with a custom link (like app://action). I registered the ur… Read more How To Intercept Url Loads In Webview (android)?

I need help with this situation: I have activity, what starts IntentService. Service do some job i… Read more Stop Intentservice From Activity

I have a custom view (1066 x 738), and I am passing a bitmap image (720x343). I want to scale the b… Read more Android Resize Bitmap Keeping Aspect Ratio

I'm only a beginner so please forgive me for asking possibly a stupid question I don't und… Read more Only The Original Thread That Created A View Hierarchy Can Touch Its Views. On Android

I am learning how to develop apps. I couldn't find any R directory inside build>generated. I… Read more R.java File Is Missing/not Generated In Android Studio

I'm attempting to get Google OAuth working with Firebase and React Native and can't seem to… Read more Unable To Get Google Oauth Authentication Working With React Native And Firebase

I puphished a free version of my application and i'm going to publish a paid version with more … Read more How I Can Offer A Licensing Android Application

I have an Android program that starts off by loading some of the user's media. Occasionally the… Read more Initialize Mediascanner At Beginning Of Android Program

I am using Android studio 3.3 and trying to use Dagger2 in my project. However, the annotation proc… Read more Enable Annotation Processing For Existing Projects Android Studio 3.3

I want to add the coverflow object in this class and I don't find any way to solve it. I am new… Read more How To Call Setcontentview Method From A Fragment Class?

I have an *.mp4 file which is duration of 2 min. Now it has audio track starting from 30 seconds up… Read more Videoview Does Not Play Audio In Video Properly

Intent captureImageIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(cap… Read more Did Android 5.0 Change The Result Of Action_image_capture Intent?

I've read through many questions and answers on Stackoverflow, and many of which just emphasize… Read more Alarm Pending Alarm Doesn't Cancel

To Subscribe to a topic in an android client we should call: FirebaseMessaging.getInstance().subscr… Read more Android Firebase Cloud Messaging(fcm): Will Subscribetotopic Do Automatic Retries?

I am working on a app with action bar for navigation. Now I am trying to add a Spinner to the Actio… Read more Spinner In Action Bar With Only Icon But Not The Selected Option

I am making an app and I am using Android Room Persistence Library to handle my database layer. Roo… Read more Remove Room Database On App Uninstall

I'm trying to execute the CTS but i can't. So i just want to know if CTS check for installe… Read more Does Android Cts Test Installed Apps In Device?

I have developed one android application for the devices with exact screen size of 480x800. Now i h… Read more How To Publish Android App Into Market For Particular Screen Resolution?

I want to make a Pro Key app for my application. I have read very interesting answers in this web (… Read more Creating A Pro Key

I am a new to Kotlin. I have two classes, one adapter and one fragment. When I want to call the ada… Read more I Am Getting Cannot Create Instance Of Abstract Class In Kotlin Warning?

I wanted to do some thing like this as shown in image below,Is there any widget to do this or we ne… Read more How To Add A Showcaseview That Pops Up Only For The First Time To Show How To Use Our App?

How to give geoserver url for Worldwind in Android? In desktop version I give http://localhost:809… Read more How To Give Wms Url For Geoserver In Worldwind Android?

Can someone suggest how to implement progress dialog inside a Button for example , when I click on … Read more Progressbar(dialog) Inside A Button Android

I am learning Android and I am following some guides for Retrofit2 with RxJava and Dagger2. Now I w… Read more How To Provide Context With Dagger2

My question is: How do I create an Android stand-alone test project for an Android library? I'v… Read more Stand-alone Test Project For A Library Project On Android

I execute this code to push notifications to mobile device using FCM library public string PushFCMN… Read more Fcm (firebase Cloud Messaging) Send To Multiple Devices

I am using Facebook Login Button to integrate Facebook Login to my app. When i press Facebook Logi… Read more How Can I Find My Current Login Status - Facebook Api Android

Implemented Azure B2C login. Suddenly app getting this error. unable to find where the issue is. ca… Read more Authentication Failed: Com.microsoft.identity.client.exception.msalclientexception: Missing Required Tokens Of Type: {0}

I have many activities that do the same thing overall. Is it possible to have them use the same lay… Read more Multiple Activities Single Layout

I'm developing an application on a hardware device that has a built-in hardware keyboard that d… Read more How To Stop The Android Soft Keyboard From Ever Coming Up In My Entire Application

So I'm trying to write a Java function that gathers CPU time for processes, and compares them t… Read more What Is "cpu Time" (using Android's Ps -x)?