Newest Android Info

I'm trying to know if a given marker is inside a circle radius. In javascript, i can do somethi… Read more Check If Marker Is Inside Circle Radius

Bear with me, I'm new! I want to use vectors in my android app, and I want my app to be backwa… Read more Vectordrawable Backwards Compatibility And Installing Unofficial Support Libraries

After updating AS now emulator quits every time I start it. Below is the screenshot I managed to ca… Read more Android Emulator Gives Error "resetting For Cold Boot: Emulation Engine Failed" And Exits

I'm building a custom keyboard by modifying the android softkeyboard sample from the SDK. I wan… Read more Change Android Softkeyboard Sample Designs, Button And Background Images

I've added input validation to a set of edit texts in a dialog message using the setError metho… Read more How To Validate Edit Text Input In Android?

I am using the AlertDialog.Builder in Android to quickly prompt the user for text. The dialog show… Read more Default Focus And Keyboard To Edittext In Android Alertdialog

I have searched related issues but can't find it. I create an InfoWindowMarker which shows Pict… Read more Android - Ebadf (bad File Number) Onclickinfomarker

I am communicating with a BLE device that sends me lots of data via one characteristic. The same Ch… Read more How Could I Achieve Maximum Thread Safety With A Read/write Ble Gatt Characteristic?

I'm using a custom ArrayAdapter to set the adapter on an AutocompleteTextView (AddressAdapter e… Read more Illegalstateexception: The Content Of The Adapter Has Changed But Listview Did Not Receive A Notification

I am making a media player ,who can run in background. i have to send a string uri in this service.… Read more How To Pass A Value In Services?

I have a little irritating problem. How can I count files in directory in Zip? I want to avoid use … Read more Count Files In Zip's Directory - Java, Android

I'm trying to include category fields into my coustom ListView. It works fine until I start scr… Read more Nullpointerexception When Scrolling Fast

I have a series of buttons on a main menu. Instead of the standard side by side, or one on top of t… Read more Android Align Image Buttons On A Curve?

I am playing with bitmap on Android and I am facing an issue when selecting an area on the bitmap u… Read more Select An Area On Bitmap With 4 Points Using Matrix.setpolytopoly

When I send HashMap with size more than 20 in android 4.1, I get crash with this log: 10-02 13:13:0… Read more When I Send Hashmap With Size More Than 20 In Android 4.1, I Get Crash

Edit: Figured it out, check my posted answer if you're having similar issues. I know there are… Read more Firebase Database Error - Expected A Map While Deserializing, But Got A Class Java.util.arraylist

I have a JSON response from Facebook with the following structure: { 'data': [ { … Read more Deserialize Json Facebook Feed Using Gson

I am sending a image from android phone to server which is a servlet I am using the HttpClient and … Read more Sending A Image To Servlet In Java How To Get The Image In Servlet

I'm using an intent chooser to invite friends : Intent intent = new Intent(Intent.ACTION_SEND)… Read more How To Know Which Application The User Chose When Using An Intent Chooser?

I'm trying to display Google Map's map. I followed this tutorial. I Fixed some problems and… Read more Android Google Api "failed To Load Map"

I have two application, App A and App B, now I want to start an activity in App B from App A, the l… Read more Not Working Corss-application Activities With Taskaffinity In Android 11

I just started a new gluon mobile multi view project with FXML and tried to run it before changing … Read more Build Failure For Javafx Android App Using The Gluon Mobile Plugin

Recently I have updated OS to Android 9(Pie) and found that Whenever I try to install APK from andr… Read more Android Pie - 9 (api 28) : Installing Apk .... Not Successfully Installing

im beginer of android. i design a navigation drawer like this: as you see all items in menu are on… Read more Right To Left Menu Items Android In Navigationview

I buit an webview app with Android Studio and in my website i have a link like tel:0752118 when i p… Read more Error Net::err_unknown_url_scheme Tel:

I am trying to run and debug my application on the device DATAWIND by UBISLATE. How can I find the… Read more Usb Vendor Id For Datawind By Ubislate

I have the following JSON data - [ { 'Name': 'Litware, Inc. (sample)', … Read more Parsing Object Containing Date Using Gson - Unparseable Date

I have a problem with my custom spinner and Spinner Adapter. It crashes after I launch it.I wanted … Read more Custom Spinner Adapter Not Working

let's say I have a 3d car model displayed using GLSurfaceView in Android. This model consists o… Read more How To Make Each Component Of A 3d Opengl Object Touchable In Android?

im using this code to access a folder: String path = Environment.getExternalStorageDirectory().getA… Read more Android Access Folder Using Environment.getexternalstoragedirectory On Device With Only Internal Memory Would Return?

I am using Espresso to test a list view that appears when I am searching for an item (like an autoc… Read more Android.support.test.espresso.performexception: Error Performing 'load Adapter Data' On View

I have created a custom ArrayList which is working as it should barring an issue with the onClick. … Read more Custom Arrayadapter Onclick Position & Row Highlight

This is what my logcat shows as a response { Response: responseCode: 403, graphObject: null, … Read more Facebook Login By Sdk But Post Issue

I have created a class which extends Gallery. There is no onCreate() method in super Class, and I&#… Read more Start Intent Without Oncreate {}

I am writing a program in which want to download images from online url and want to show in Stagger… Read more Lazy Loading Images From Json Not Downloaded In Sd Card

I am developing an application for Froyo as minimum version and Gingerbread as the target version. … Read more Unable To Instantiate Activity Componentinfo

Currently, my android compileSdkVersion is set to 24 and in my dependencies, I have included compil… Read more Android Error While Compiling Com.android.support:support-v4:24.0.0

I can not find any solution for this problem. Here it is. I have two activities: Main Activity and … Read more Acitivity Two Starts Before Main Activity

These are created using Android Studio similar to How to modify dummy content in android master/det… Read more Failed To Call A Dynamic Method In A Static Context?

Class c = Class.forName('co.uk.MyApp.dir.TargetClass'); Method main = c.getDeclaredMethod(… Read more Proguard Causing Nosuchmethodexception

i have written a program which has two buttons , one is for gallery which when clicked displays my … Read more Share Images From Gallery In Android

Im trying to create an application that enable user to create event, then invite participant. So wh… Read more How To Update Listview After Onresume From Other Activity?

Hi i am having Listview where each item is having different layout.and i want to perform drag and d… Read more Drag And Drop For Listview Of Views

Here is my process and problem: In this application you click a Menu button From this Menu you pre… Read more Terminating An Async Task After Activity Is Lost

I've done a lot of research to figure out why it's causing the problem, but I still can not… Read more Firebase Showing Success But Not Sending Cloud Messaging (android - Php)

My application only works if it's on the campus network in order to access campus data. When ru… Read more How Do I Program Android To Look For A Particular Network?

Here is my code: public class CalendarReminderReceiver extends BroadcastReceiver{ @Override public… Read more When Calendar Has Fired Receiver For Reminder Alerts In Android, How Can I Get The Event Id?

This app is supposed to parse some JSON data (hard coded for now) from the Google Books API, and pa… Read more Android: Json Parse: Null Object Reference When Attempting To Parse Json Into A Listview

I use the following function to perform offline OCR using Tesseract OCR's Android fork Tess-Two… Read more Tess-two (tesseract Ocr In Android) Shows Very Inaccurate Results

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

MifareUltralight mifareUltralight = MifareUltralight.get(tag); byte[] toggleCounterCommand = ne… Read more Enable/disable Counter For Ntag213

this is my build gradle (app) file: apply plugin: 'com.android.application' apply plugin:… Read more Not Able To Update Android Studio 3.1: Conflicting Configuration : 'armeabi-v7a,x86' During Sync Project

I am trying to play a video in Android video view. but when i run the code it opens a media player … Read more Could't Open File On Client Side

Got the following stack trace when trying to start a WireMockServer in my robotium android test. Mi… Read more Nosuchmethoderror When Using Wiremock In An Android Integration Test

I am not entirely sure why I am getting a NullPointerException. If anybody could help me out that w… Read more Why Am I Getting A Null Pointer Exception On My Android Program Line 73?

As the title says, I have 3 Circle. Each one have different radius. I know the radius of each circ… Read more Find Intersecting Point Of Three Circles Programmatically

I want to do the following. There are two fragments first and second. Necessary make the transition… Read more Switch Between Two Fragments

at first I want to notice that english isn't my native language, whatever I hope we won't h… Read more Cursor Getint Return Negative Value

I'm trying to create an app that will allow me to adjust the hue, saturation, brightness, contr… Read more Android Image Sharpening, Saturation, Hue, Brightness, And Contrast

When we call parseJavaAndroid('2018-04-27T22:31:07.962-05:00') from JVM it gives ParseExcep… Read more Is Simpledateformat In Java And Android Different?

I have a SurfaceView that holds a Camera Preview. I have set the camera focus mode to: Camera.Para… Read more How Can I Monitor The Current Focallength Of Android Camera

I'm trying to make an push notification on my android app by following this tutorial http://www… Read more Sending Push Notification On Multiple Devices

I have an app running on Android that creates an alarm that is fired every 24 hours. This alarm is … Read more Android - Alarm Lost After App Update

I have a listview which is inflated by custom array adapter and onclick takes it to another activit… Read more Remove Row From Another Activity

I have created a custom layout for authentication, but the layout is not shown and Email login scre… Read more Firebaseui Custom Layout Doesn't Show

I have set tab layout with view pager, As follows : sectionsPagerAdapter = new SectionsPagerAdapte… Read more Get All Tab ( Tabs) Labels In A List From Tabs Layout Android

I've upgraded my app to feature a Room database. When the user upgrades to my new app version, … Read more How To Import Data Into A Room Database Upon Creation?