Android Tech Blog

What is the Scenario I want to send multiple ArrayList (usally 5) from android to the server and wa… Read more Sending Arraylist From Android To Php Script Using Json

I use android studio 3.5, and the only way I've found through searching to add a library is via… Read more Adding The Design Support Library

I have an animation like this img = (ImageView) findViewById(R.id.animView); anim_up = AnimationUti… Read more Android Animation In Asynctask

Background: I'm trying to setup a VPN server on android phone. For, this I am trying to use an… Read more Android: Nat Table: “fix Me! Impliment Getnetbyaddr() Bionic/libc/bionic/stubs.c:444” What Does It Mean And How To Fix It

private void turnGPSOn(){ String provider = Settings.Secure.getString(getContentResolver(), Setting… Read more How To Ask User To Enable Gps At The Launch Of Application?

I started Android development and realized that Android is totally built on Linux, but I'm prog… Read more Does Using Linux Os Matter While Developing Android Apps?

I want to create a custom OptionsMenu in my application. The default OptionsMenu display only three… Read more Custom Options Menu In Android

In my application requirement is select the image from gallery and then crop the selected image and… Read more How To Crop The Image In Android Marshmallow By Using Default Crop Intent?

I'm new to this, so maybe it's trivial to everybody, but I just can't figure out, why t… Read more Android/java - Pause Thread

I was trying to build an Ionic2 app with Android platform on my Win 7 (32 bt) system. I ran the io… Read more Ionic2 - Android Build Failed

I saw 2 questions about this here in stackoverflow but none of them was clear enough and with good … Read more Filter My Own Application From "complete Action Using" Dialog (being Shown By Startactivity Method)

I want to sign in to my app with Facebook, but I get next message to my Logcat: Failed to find prov… Read more Failed To Find Provider Info For Com.facebook.katana.provider.platformprovider

Possible Duplicate: How to build my HelloWorld Android application with Necessitas (qt port)? Thi… Read more How Do I Fix Android Packaging Error For Necessitas (qt)?

I accidentally created a Closed testing track instead of Internal Testing track on Google Play Cons… Read more How To Delete Closed Testing Track Build In Google Play Console?

The above screenshot contain the Post method and Response from the server.. here i am trying to upl… Read more Retrofit2: Upload An Image With Some Form Data-android

Hey guys I'm developing a quiz where I have 50 questions stored which are accessed using json a… Read more How To Limit The Display Of Questions In The Quiz Using Json Array In Android?

I like to know how to properly integrate the Room Library within an Android Application. Some artic… Read more Implementing The Room Database (android)

I have a drawable object which contains a app icon and it is stored it in runtime process.when I te… Read more Generate Same Size Image In Drawable Object

This is the description given for the setId() method. void android.view.View.setId(int id) publi… Read more Confusion With Setid() Method In Android

I'm new to both using json and developing for android, however I'm looking to learn how to … Read more Get Json Information? (noob)

There are lots of examples of using arm neon intrinsics for android, with the ndk even having an ex… Read more How To Use Arm_acle C Language Extensions In Android

Almost all the activities in my application need to interact with a web server to get data and then… Read more If An Activity Takes Long Time To Load, It Asks For Force Close, How To Solve This?

I've been reading up on the Android dalvik, and I was curious as to how one would go about stre… Read more Stress Testing Android Dalvik

I am using MVVMCross's wrapper around the Xamarin Android AutoCompleteTextView. I use the Parti… Read more Partialtextchanged Stops Firing On Mvxautocompletetextview After Item Selection

When I try to use the onClickListener method for a button, variable outside of any onCreate or onPa… Read more Why Does Onclicklistener Not Work Outside Of Oncreate Method?

I have a Problem. I start from my own Application the Build-In Photoapplication with a Photo-Intent… Read more Pictures Wont Save On Samsung Nexus

Hello everyone and thanks for your help! I want to build a Android Webview App, it uses HTML + CSS … Read more Android Webview - Uncaught Referenceerror In Local Javascript Execution

Everyone I'm using NFC plugin 'nfc_in_flutter' in my flutter app but I'm facing … Read more Flutter Nfc: How To Prevent/stop "new Tag Scanned" Default Activity In Flutter Android Build?

I'm working on a project to transfer data between a Bluetooth device (TI CC2650) and android. T… Read more Slow Reading Speed Of Gatt Characteristics Ble

I am working with react native, and would like to switch adb to wifi for easier debugging. I connec… Read more Adb -s 192.168.1.6:5555 ..... Error: More Than One Device/emulator

I am building an app which trying to execute some commands such as 'top' and others. i am w… Read more Running Adb Commands Within App Gives Permission Denied

Is it possible to assign all the values from checked items in a single variable ? If radio button h… Read more Assigning All Check Items Into A Variable

I'm having some issues trying to use exchange webservices for java. I'm getting following N… Read more Nosuchmethoderror On Ews-java-api

Is there any way to unsubscribe from all topics at once? I'm using Firebase Messaging to recei… Read more Unsubscribe From All Topics At Once From Firebase Messaging

I have a need (unless you can think of a better way) of passing multiple objects to a custom list a… Read more Android Multiple Objects In Simpleadapter

I have created a simple Custom dialog class and I want to display it after clicking on a row in Rec… Read more Call Custom Dialog In Adapter Class

I try to make a phone call from inside a service. The code I use is: Intent intent = new Intent(Int… Read more Android: Make Phone Call From Service

I'm having some trouble with Google Maps. I need to display user's location on the map and … Read more Updating User's Location

I have created a menu for my actionmode bar with icons but not all menu are showing with icon in ac… Read more All Icons Of Actionmode Bar Are Not Showing In Android?

I'm developing a chatting application where we have deployed the eJabberd on server and using s… Read more How To Retrieve Chat History With Android Smack Client

Hello guys I'm doing an simple login system in android to mysql database online. This is what I… Read more Android Login To Mysql Database

I have an app which loads the data from sqlite db, does some calculations with it and presents it u… Read more How To Make A Splash Screen And Run Listview Processes At Background?

I have Created a database in Sqllite Android Application and I tried to add two tables in my Databa… Read more How To Create A Two Table In Single Database In Android Application?

I want to show the 3-dot overflow menu key (next to the RecentApp virtual key) when building my app… Read more Android - Want To Show 3-dots Menu On Ics

Having trouble with my application when attempting to use the class below, see LogCat and .Java cla… Read more Logcat Errors Stopping Application From Running - Code Added

I use library socialauth to authorize login to social network. A few day it work normally after i r… Read more Socialauth-android Couldn't Find The Url

Whenever I swipe down to refresh, I get a NullPointerException but it's not in my code, rather … Read more Swiperefreshlayout With Emptyview Nullpointerexception

With the Android SeekBar, you can normally drag the thumb to the left or to the right and the yello… Read more Android Seekbar Flipped Horizontally

I'm trying to build enforcing, but I had 7 violations. How can I fix? libsepol.report_failure: … Read more Build Aosp Custom Rom

Hi i would like to set the first item of my GridView with a default value, and populate the rest of… Read more How To Set The First Item In Gridview With Default Value And Populate The Rest Of The Items Based On Json Result

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:

Problem here is to draw this kind of shape in onDraw method. I've tried using Path and CornerPa… Read more Drawing Shape Programmatically With Part Corners Rounded Only

i am working on google maps. the app sucesssfully trace user location but when i search for place i… Read more Not Getting Searched Place In Maps

I have a problem with a list view and a custom cursor adapter and I just can't seem to figure o… Read more Android Strange Behavior With Listview And Custom Cursor Adapter

I'm setting up a RecyclerView that uses a ListAdapter to calculate animations on changes. The R… Read more Items In Recyclerview + Listadapter Won't Redraw On Update

I have a table containing multiple rows. Each row is selectable by clicking once on the row. Doubl… Read more Detect If Browser/device Supports Double Click Events

I am developing the camera module for an android application. In main application when user clicks … Read more Camera Preview On Android - Strange Lines On 1.5 Version Of Sdk

Why the softkeyboard is showing only on the tablet is a mystery ! Here is the code that I have used… Read more Softkeyboard Not Showing In Alertdialog For Phone Only

I have a problem, that when i have taken an image from camera, image not displaying in imageview. I… Read more Image Captured From Camera Not Displaying In Imageview Android

Today I noticed that all of my webpages crash the stock browser on my HTC. After some debugging I f… Read more Text-rendering: Optimizelegibility Crashes Android Stock Browser

Getting the above error builder.setOnCancelListener(new DialogInterface.OnCancelListener() { … Read more Java.lang.illegalargumentexception: Unknown Url File At Android.content.contentresolver.delete

I'm creating my first android app (or attempting to anyway) and i have a question i can't s… Read more Individual Preferences For Each Item In A Listview?

I am new to openCV. I am already able to count green and yellow pixels of an image with a mask. I w… Read more What Is The Range Of Hsv Values For Brown Color In Opencv?

Hello guys I would like to ask a question related to custom radio button. I just designed the radio… Read more Android Radio Button Animation

I have several general question about ApplicationInfo and PackageInfo classes. Here they are: Can … Read more Difference Between Applicationinfo And Packageinfo?

I am using the navigation-drawer template in eclipse to do a simple Android application. I have so… Read more "activity Not Found" In Android

I'm trying to fetch data from the internet by using HttpGet and HttpClient. However, when I run… Read more Android App Stopped When Try To Fetch Data From Internet

I've been trying to define the default alarm sound but with no success! I can sucessfully chang… Read more Set Default Alarm Sound Programatically Android

I have a ViewPager and a HorizontalScrollView. I would to move HorizontalScrollView in the same pos… Read more How To Synchronize Viewpager With Horizontalscrollview To Keep Them Moving Together

i have currency code (e.g. USD,INR,etc...). I want to get symbols of only one letter of those codes… Read more Get Currency Symbol Of Only One Character (e.g $,₹, Etc) (locale Doesn't Matter) Android Kotlin

I was trying my hand with recyclerview and floating action button for an app. The problem I encount… Read more Not Able To Add Empty View Below Recyclerview

It seems to be very easy, but don't know why I can't use Assets.open method without getting… Read more Xamarin Android Assets.open Throws Filenotfound Exception