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I'm making an app that shows the days of the week coming from FireBase, the problem is that I h… Read more Sort A Firebaserecycleradapter

I'm using a custom listview and I'm getting the next error. Why?? In the Log setence I rece… Read more Why Am I Getting An Error When I Populating A Custom Listview?

Does anyone have ideas on how to achieve a blank indent on the first line of an EditText such that … Read more Need Edittext With Readonly Indent

I am trying to achieve the following scenario. An activity containing a view pager having a navigat… Read more Navigation Drawer Is Not Doing Anything On Click Of The Item

I have a marker in my Google Maps map that looks like this: When the user is driving, I want to ro… Read more Rotate Marker Based On Driving Direction

Android Studio 3.6 I want to use ViewPager2 with Fragments (swipe elements) app/build.gradle: imple… Read more Can't Use Androidx.fragment.app.fragmentmanager In Viewpager2

I am developing an android app in which I need to download an image from its URL, create a bitmap o… Read more Create Custom Marker Icons On Runtime Using Android Xml

The problem is a bit weird and complex - sometimes (it is not deterministic or I do not know the ca… Read more Fragment Is Not Showing

When I run an activity in my Android app with instantiating dbs classes as follows: private final … Read more Android Sqlite Exception. Unable To Instantiate Activity

Im having some troubles trying to get the info stored in my database and showing it in a ListView. … Read more Android. Sqlite Exception: No Such Column _id

Whenever I create a new project (I use the default options, only change the name and the domain) an… Read more Error On First Build After Creating A Project: Xml Document Structures Must Start And End Within The Same Entity

This is probably very easy. I just can't seem to get it done. How do I add a button as a menu i… Read more How Do I Add A Button As A Menu Item?

I Have developed an APP using apache commons-io-2.4.jar for network data operations now I want to d… Read more Commons-io-2.4.jar Is Showing As Native Platform With 0 Supported Device

I have a node backend, which returns the id, email and JWT token of an user after login. Id and ema… Read more Android Volley Read And Store Http Header

I have traveled all over the internet looking for a way to do something that I thought would be ver… Read more Calculate Screen Size In Android

I want to save some values before i closed the app. But i don't know if i must create a new fil… Read more Save Values Before Close The App?

I have app which has actionbar containing 1) up button which opens side bar menu for navigation ju… Read more Actionbar Like Evernote - Up Button And Tabs In One Row On Top With Menu Actions At Bottom

I have been attempting to use an android.preference.DialogPreference inflated from XML, but the doc… Read more Creating A Dialogpreference From Xml

I've spent the last two days trying to find a workaround for this. I need to pre-config my app … Read more Android Referral Removed In Analytics V3?

I found 2 built-in NumberPickers: (source: techbooster.org) By default, it's the first one, … Read more How To Customize The Numberpicker