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How do I add user role authentication in firebase android app? From what I see, firebase only has e… Read more How To Separate User Roles In Firebase?

I just know this is simple and in about 30 minutes time, I'll hate myself... I have a splashscr… Read more Positioning A View With Top Expressed As A Percentage Of Display Height

I had to format and start over yesterday, and I'm trying to get my project up and running again… Read more Could Not Find Class Oauth.signpost.commonshttp.commonshttpoauthconsumer

I want to change z order of some views during animation On Androids above 4.1.2 it works just fine,… Read more View Bring To Front Doesnt Work

I have an Activity which hosts a Fragment. The Activity layout file: Solution 1: You should move s… Read more Nullpointerexception When Findfragmentbyid

This is my menu.xml Solution 1: You need to use android.support.v7.widget.SearchView < style na… Read more How Can I Change The Icon Color Of Searchview In Actionbar?

I want to add a new item (Cheese) to an sqlite table but only in case it does not exist. I have two… Read more Android Sqlite Insert Record If Not Exists

I have the following piece of code in my meteor app if (Meteor.isClient) { Meteor.startup(functio… Read more Javascript / Meteor Android Return Objects To Templates

My App is running fine for all the android version but I have noticed that in Android 8.1.0 (Oreo) … Read more Activity Rotating Itself And Back To Normal In Android 8.1

I am wondering if we can access the network through HttpURLConnection from Android Wear? I tried … Read more Does Android Wear Support Httpurlconnection - Getting Eofexception

NOTICE: I found other questions and answers about the same issue, but the answers are for older ver… Read more Use Android Studio With Existing Android Sdk Tools

friends, I'm starting to develop in AppLaud applications with PhoneGap + jQuery Mobile. Applaud… Read more Applaud + Jquery Mobile 1.3.1 + Jquery 1.10.1 + Phonegap 1.9.0 (why Not Work?)

I'm developing a mobile APP and I need to forward the incoming calls to different numbers based… Read more Dynamic Android Call Forwarding

So I'm struggling with this issue for about three hours now. I have this user class public cla… Read more Datasnapshot Has The Object But Getvalue() Will Return Null

I'm trying to get assets of my app from Service and i get nullpointexception. I found few artic… Read more Android Getassets() Method Throws Nullpointerexception

Hello friends I am using the following code in my my project. PERMISSIONS: Solution 1: This is the… Read more Delete Copy Of An Image In Sdcard

I tried to create a sqlite database from a csv file. I did it as it is said in this page : using yo… Read more Sqlite Database In Persian Language

I am in the process of trying to get an email sent using BroadcastReceiver, the code is working cor… Read more Using Intentservice Instead Of Asynctask For Broadcast Receiver?

I want to display one Activity Android, also when I lock my device. Every Time, if I lock my tablet… Read more How Can I Display The Activity When Device Is Locked?

In my app, I'm displaying a Toolbar with the home button visible. In some screens this works as… Read more Home Button Not Shown When Using The Design Support Library

How do I increase the width of the dropdown list within a spinner? My button as you can see in the … Read more How Do I Increase The Width Of The Dropdown List Within A Spinner?

How to auto boot a rooted android phone when it is dead and connected to the charger? I know many … Read more How To Auto Boot A Rooted Android Device On Charging [code Req]

The task is to combine data from 2 different tables with similar columns, sorted by one column . S… Read more How To Sort Mergecursor?

getInstance() shows an error after following the doc correctly. but i need to know what version to … Read more I Get An Error On Getinstance() Method Even Though I Followed The Osmdroid Documentation Correctly

I'm developing a travel app. On Google map API V2 feature, I want each InfoWindow have an diffe… Read more Show Dynamically To Infowindow Googlemap V2

hi i am not able to getting call to method onActivityResult after below code. private void ImageCho… Read more Not Getting Able To Call Onactivityresult Method

I saw many threads related to this, before posting my question. But none worked for me. I have a Re… Read more Disabling All Child Views Inside The Layout

With the old Apache stuff deprecated in API 22, I am finally getting around to updating my network … Read more Passing Parameters With Httpurlconnection

I have Android app which play sound and when I want to log off from the app as when press on mobile… Read more Error The Application Stopped When Press Mobile Logout Button

I developed one simple app, like subtraction, addition. In this app I use three EditTexts, one for … Read more How To Apply The Textchange Event On Edittext

I am experimenting with the new Android 4.4 translucent navigation bars and would like to set the n… Read more Reliably Get Height Of Status Bar To Solve Kitkat Translucent Navigation Issue

I made a video capture app with Camera2 API by following this guide, Is there a provision to chang… Read more Set Brightness/contrast In Video Capture Using Android Camera2

I am using Retrofit for network calls. I am facing weird issue with signed APK. Retrofit request, @… Read more Null Response In Signed Apk - Proper Response In Debug Apk

I'm trying to run an android app but it's throwing these three lines in red. [2012-07-08 20… Read more Failed To Install Myapp.apk On Device 'emulator-5554'

I am building a custom camera with auto focus, and was merely wondering if there is a way to invoke… Read more Looking For Camera Auto-focus Indicator Example

I got the following warning: Custom view com/example/view/adapter/SomeAdapter is missing constru… Read more Custom View Is Missing Constructor Used By Tools For Adapter

Is there a way to detect if the device I'm currently running on has a hardware keyboard install… Read more How To Detect Hardware Keyboard Presence?

Is it possible to define a RadioGroup in a PreferenceActivity? I could only find the ListView when … Read more Proper Radiogroup In Preferenceactivity

I am developing a app in which I want the progress dialog to be displayed when the app is started (… Read more Displaying Progress Dialog At The Start Of A Gps Application

I have regexp for check if some text containing word (with ignoring boundary) String regexp = '… Read more Matching A Word With Pound (#) Symbol In A Regex

I'm using Intel XDK to create a mobile app. I need my application to receive push notifications… Read more Mobile App Using Intel Xdk And Cordova Plugin For Firebase Notifications

This happens when the app loads from Splash screen to Main page. It happens only on the device not … Read more Android - Grow Heap (frag Case) - Byte Allocation.. Not Loading Any Bitmaps

How can we use Web services in Android Applications? Solution 1: See my question here: Unresolve… Read more Web Service Use In Android

I am getting the error as INTERNALwhen calling a Firebase Cloud Function from my app. Server code: … Read more Firebase Cloud Function Returns Internal Error

I am trying to refactor my fragment-heavy code with safer async tasks as I had noticed some occasio… Read more Correctly Handling Fragment Interactions From An Async-task

I'm trying do do a infinite scrolling background with a still image in the forefront, similar t… Read more Implementing Infinite Scrolling Background With Forefront Image In Android

I'm trying develop a facial recognition system. But the issue is it can be by-passed by a photo… Read more Google Vision Api: Differentiate Real Face And A Photo

okay guys, i have layout like this Solution 1: Enable your GridView Property as android:nestedScro… Read more Can Not Scroll And Click Item On Gridview Inside Scrollview

I have a service that will monitor location changes daily. What I know so far that to start a servi… Read more How Can I Ensure A Service Is Started At 9am And Stopped 9pm Every Day?

I got this error after an update of Android Gradle plugin and Android Studio. I have checked this q… Read more I Am Getting Error: Configuration 'compile' Is Obsolete And Has Been Replaced With 'implementation'. It Will Be Removed At The End Of 2018

I will give you two pieces of code. One code updates the UI for the child thread. Yes, you heard me… Read more Is It A Bug That Calling Methods That Update Android Ui From Another Thread Works?

The App works fine on the 2.2.1 and 2.2 but is causing the following error on 4.0.3 android.os.Netw… Read more Can Java.util.zip.gzipinputstream.close Cause Android.os.networkonmainthreadexception

I want to implement something like a product list in the receipt: Beer ...........................… Read more Add Dots To Textview Like In The Receipt