Android Devweb

I am trying to set a value to a ListPreference and always get the error message: The method findPre… Read more Findpreference Undefined Type

How can I silence the android phone in java? A code sample is VERY helpful. Solution 1: You can… Read more Silence Android Phone In Java

In Android (targeting APIs 14-16) I have a MainActivity and a NextActivity. There is no difficulty … Read more Android: Using GetIntent() Only Within OnCreate?

I'm using Android's AAC Navigation Component and have implemented conditional navigation fo… Read more Android Navigation Component: Java.lang.IllegalStateException: Unknown Destination During Restore

Very simple question, hoping for a very simple answer. I've been looking at a lot of people… Read more What Does This Line Mean? LOCAL_EXPORT_C_INCLUDES

I currently have a status bar notification that goes off when an mp3 is downloaded from a url. It l… Read more Android- Status Bar Notification With Progress Bar

Please read all before deleting or voting down, thanks :) I have an app that uses: 1-ActionBarSherl… Read more Can't Build Signed Application, Only Unsigned Works, Failed To Convert To Dalvik Format

I had some problem before which I solved. Thanks a lot to everyone who replied to the queries. I am… Read more Image Uploading To Server In Android

I have pictures in my sqlite prepopulated database, i'm using Simplecursortreeadapter to pass d… Read more Trouble With Viewbinder Simplecursortreeadapter -unable To Convert String To Blob

I am learning Android, and I have what I think is a weird problem. in /res/values/strings.xml I hav… Read more Can't Resolve Android Resource Strings

I have read an image file into ByteArray, but how can I write it back. I mean save ByteArray to ima… Read more Android: Write PNG ByteArray To File

I'm trying to use a BroadcastReceiver to detect if wifi is connected and simply display a toast… Read more BroadcastReceiver Is Not Working (detect If Wifi Is Connected)

I am having some relativeLayout, inside which there are multiple textview and imagebuttons, so in o… Read more Android: Setting Colors For Relativelayout Inside OnTouchListener

In my app there are three layout folder. 1)layout(for 480x800 resolution with **hdpi**) 2)layout-l… Read more Layout Folder Issue In Android

I am unable to generate Signed APK using minifyEnabled true and shrinkResources true App Level : bu… Read more Generate Signed APK: Errors While Building APK Android Studio

I'm trying to develop ORM for database synchronisation and decided to give Java reflection a go… Read more Java Custom Annotation And Dynamic Loading

I am trying to create a map in a Fragment but keep getting this error: java.lang.NullPointerExcepti… Read more Creating Google Maps V2 In A Fragment Using Navigation Drawer

I want to make my background Activity a little bit smaller while opening the Navigation Drawer, Sim… Read more How To Make Background Activity Smaller While Opening The Navigation Drawer?

I have a use case where i am receiving some data in android code(native). I want to insert this dat… Read more Realm React-Native: Access Same Realm From JS(react Native Code) And Android(java)

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 want to run my hello world app on a device but when I run this app I catch errors in syncing . I … Read more Starting Flutter With Android Studio Problems

I ve developed Android Wear App also SDK is 4.4AW. After finished that applitacion I tested on new… Read more Android Wear 5.0 Can't Resolve Host (Http , AsyncClient ETC. )

I have my layout setup as follows: Solution 1: try this < RelativeLayout xmlns:android = … Read more SwipeRefreshLayout + Another View

I am using Android Studio 1.2.2 and tried to generate APK with proguard setting. But I can't do… Read more Can't Generate Signed APK From Android Studio "Execution Failed For Task ':packageRelease'"

I am developing an android application in which i want to get users current location when applicati… Read more Need Current Location Of User In Android , Not Last Known Location

I'm new to android and I am creating a MAC spoofing app. I have created an IntentService to spo… Read more Stop A Service When Application Is In Background

As explained in image, flow is something like this. So whenever user click on logo button Activity … Read more Go Back To Previous Screen Without Creating New Instance

I was working with CameraX and had hard time converting captured ImageProxy to Bitmap. After search… Read more Convert CameraX Captured ImageProxy To Bitmap

How do you correctly close an activity when the user declines to update Google play services? I am … Read more Handling Cancellation Of MakeGooglePlayServicesAvailable

I m trying to get Google indoor maps to work inside my app. When I look at a building in Google map… Read more Showing Place Names On Google Indoor Map

I cant figure out why i cant set text to my textView tv. getting: E/AndroidRuntime(686): android.vi… Read more Cannot Touch View From Another Thread, How To Make It Possible?

how to open Facebook page link in Facebook App if installed , and if the app is not installed open … Read more Android Open Facebook Page Link In Facebook App If Installed ,

I have been trying to obtain a public map api key for my Android app. However the public key that I… Read more Obtaining Android Public Map API Key

I've just upgraded our project to use Roboguice 3 and all of a sudden all the injected objects … Read more Injected Objects Became Null After Upgrading To Roboguice 3

I'm using retrofit library for solving my tasks connected with requests to server. I have got p… Read more Adding Authorization Header Interface Android Retrofit