Android Tech Blog

I'm trying to read a File from txt, but it's throwing a FileNotFoundException I already put… Read more Where Do I Have To Put My Txt File In Android Studio?

+I have a time tracking app that uses joda DateTime to persist Start/End time with ORM-lite. ORM-li… Read more Joda Datetime Datetimezone

When I'm trying to create android application in intellij idea I get the following The project … Read more Intellij Idea - Create Android App Failed

I was working on Wifi project, there is a module that enable user to join wifi programatically. In … Read more Wificonfiguration Enable Network In Lollipop

I've been working on an Android Application, and one of the major issues i've been trying t… Read more How Do I Create A Listview Like The Youtube App?

My Setup A Service running in its own process, CentralService An activity that calls startActivit… Read more Android: Startactivityforresult Not Calling Onactivityresult

I want to change the alpha of toolbar base on scroll, like below: At first, the toolbar is transp… Read more How To Get Percentage Of Scroll In Nestedscrollview Any Time (smoothly)?

My debug APK is working fine but release APK is not working after building it from the command flut… Read more Flutter Release Apk Is Not Working But Debug Apk Is Working

I have implemented Google Drive backup in my app. I upload the backup in the App Folder. But after … Read more Android: Uploaded File In App Folder Not Found After App Reinstall

Suppose I have the URL for large animated gif and I wanted to make a youtube like activity that dis… Read more Android: How Do A Display A Large Animated Gif Given A Url?

Possible Duplicate: How can I monitor the network connection status in Android? I need to continu… Read more Efficient Approach To Continuously Check Whether Internet Connection Is Available In Android

I have built python3 with the android-ndk toolchain (llvm prebuilt) and I'm trying to link agai… Read more Link External Shared Library Android Ndk

package com.example.androidapp; import java.net.InetSocketAddress; import java.util.Collection; … Read more Throwing Exception Although Right Ip Used

I have this in xml. So, t Solution 1: getText() does not return the value inside android:hint .… Read more Invalid Double. Number Format Exception In Android

I am trying to develop a simple app that consist of multiple scrollable views, but the navigation b… Read more Ibm Worklight - Unable To Navigate Between Views

I develop an application in english and for a client, i must to translate some text in hungarian. … Read more Translate My App To Hungarian

In my application i need to create a great amount of contacts. The code I currenly use: Arr… Read more Whats The Fastest Way To Create Large Numbers Of Contacts?

I am creating an NFC application. I am a noob at Android this is my 2nd application. I was wonderin… Read more How To Create An Ndef Message That Erases A Nfc Tag

What toolchain used by default when compile through Android.mk ? And how change the toolchain ? Sol… Read more Android.mk - What Toolchain Used By Default?

I have been windows developer since the beginning, now the current trends dictate that I focus on n… Read more Getting Started With Android Development

i'm trying to add a second link to the menu. the first one has worked fine. the second is calle… Read more Trying To Add A Second Link To App Menu Android

As mentioned in my previous question I had some problem with showing Fragments inside a ViewPager a… Read more Pager Inside A Fragment

I can't get the adb to run. From the dos line when I type adb I get 'error: write failure d… Read more Android Adb Won't Start

Why the following listing shows only the second TextView (red)? Solution 1: From https://developer… Read more Understanding Android:layout_weight

I am trying to update a list view, when I select on an item in spinner, the code works but no outpu… Read more Android - Updating List View On Spinner Selection

I am doing an Opengl appln in which i have to rotate the camera, if the android device is rotated/t… Read more How To Calculate Rotation Angle Using Android Sensors?

I miss MINUTES, HOURS, DAYS, which exist in documentaion since API level 1 (I use 7th or 2.1 versio… Read more Why Aren't Java.util.concurrent.timeunit Types Greater Than Seconds Available In Android?

I have an ImageView which has an SVG as source example: android:src='@drawable/bold_svg'. N… Read more How To Set And Get Tint Color On Svg Programmaticaly In Android?

i'm sorry if there is a question like this i just wanna know, i'm trying to read file .txt … Read more My App Error On Jelly Bean Simulator

I have been using Intellij IDEA w/git integration for Android dev for sometime. I have recently upg… Read more "add To Vcs" Disabled In Android Studio

Below code is working fine on pre-Marshmallow devices but not in Marshmallow. These are the permiss… Read more No Such File Or Directory Only In Android 6.0

how can I attach a JSONObject as a json File to a eMail Intent in Android? My code for this is at t… Read more Attach Json File To Email Intent In Android

I have set of icons that I need to display in a RecyclerView arranged in a grid, and make that grid… Read more Recycler View Arrange Items In A Grid That Scrolls Horizontally

I am using three tabs and these tabs having list view, on these tabs i am adding new list items in … Read more How To Refresh A Fragment In Android

I need to Update Android Studio, to the 0.9.9 version, but when I press 'Download' (On the … Read more How To Update Android Studio Automatically?

I am trying to wrap my head around the idea of scaling images which is all new to me. I finally und… Read more Am I Supposed To Make Images Larger For Tablets, Or Same Size As Handset?

I created a dynamic view that contains FrameLayout, and it contains ImageViews. Now, when I touch t… Read more How To Get The Particular Sub View Id From The View In Android?

i've been using jetpack datastore for a while, but then i got a problem. I want to clear data i… Read more How To Clear Jetpack Datastore Data On Specific Condition

I have a ListView in a PopupWindow. The PopupWindow is initialized like this window.setContentV… Read more Problems With Listview Inside A Popupwindow

I am new to Phonegap and JqueryMobile. I need to check the internet connection on device. After see… Read more Phonegap Check Internet Connection On Device Vs Mobile Browser

This code doesn't work will screen locked. what should I do if I want volume key work while scr… Read more Use Volume Key While Screen Locked

I created a widget, which was working quite fine, and then I changed targetSDK from 23 to 26, due t… Read more What Is The Best Way To Update Android Widget On Screen_on. Is It Supported In Android Oreo (api 26)

I have an Activity that calls a Broadcast Receiver. The Broadcast Receiver waits and listens to GPS… Read more How Can I Send Result Data From Broadcast Receiver To Activity

I'm using the MediaScannerConnection example code from the API Demos The snippet I'm using … Read more Mediascannerconnection Produces Android.app.serviceconnectionleaked

I have tried several codes on using database. i am trying to use an existing database which i copy … Read more How To Check If The Database Connection Is Successful Or Not In Android?

I'm working with a multiple view project with FXML, generated by the Gluon plugin for IntelliJ.… Read more Gluon Mobile App Navigationdrawer Back Button Issue

I want to create a search bar like Gboard inside keyboard (Android IME) as shown in picture. Gboard… Read more Gboard Like Search Bar In Android Ime

I am changing my whole layout for this activity from a TableLayout to RelativeLayout for various re… Read more Relativelayout Inside Of Scrollview - Android

Just now I have developed an application and now I am ready to upload it to Android market, but whe… Read more Android Market - Error While Uploading Apk File

I have just started programming, and I am making an android version of the swedish law book. I have… Read more Unfortunately, *name Of App* Has Stopped

I have created a custom view name StepView . Here is the code for StepView. public class StepView e… Read more Android Nullpointerexception In Custom View Access

I am developing the app which has apk size 28 MB. What should I do so that I take less time. If I … Read more Why My Gradle Building Taking Too Much Time?

Hello im making an generic app that is configurable by xmls and files on res. Im trying to make dif… Read more How To Rebuild Android App In Release Mode With Another Package Name By Command Line Interface?

I have been successfully using the following construct to start an AlarmManager in some of my apps … Read more Alarmmanager Not Set Or Not Firing On Marshmallow After Certain Time

I am currently working on an android project and I have an activity that is started using the start… Read more Getting Arraylist From Onactivityresult Function Saved Inside Intent

I need to implement a floating action button in android eclipse which on clicking will navigate to … Read more Floating Action Button In Android Eclipse Which On Clicking Will Navigate To Another Activity

I am trying to inflate an EditText into the action bar using the following code public boolean onCr… Read more Edit Text Won't Inflate In The Action Bar

when I am calling exit() method in onDestroy() method of AndroidApplication, the pause() and dispos… Read more Pause And Dispose() Not Getting Called In Applicationlistener In Libgdx

The ibeacon beaconlayout for kontakt is m:2-3=0215,i:4-19,i:20-21,i:22-23,p:24-24,d:25-25 I am usin… Read more How To Get Battery Level Of Kontakt Ibeacons

I have written code to setFocus to ALert Dialog negative button by using requestFocus(). But the bu… Read more How To Set Focus To Android Alert Dialog Negative Button?

I have implemented Twitter in my application , i am facing problem in Callback. Twitter API's h… Read more Problem In Callback In Twitter In Android

So I am currently trying to store user details into a database, however the program does not mentio… Read more Android Application Using Firebase Database Keeps Crashing When Launching?

Acualy i created a navigation Drawer activity and this activiy works perfectly but i want to add th… Read more Add Navigation Drawer With Tabs In Fragment

I am working on a developing a utility class for storing data in SharedPreferences. Till now, I was… Read more Store A Collection Of Objects In Sharedpreferences

I am trying to calculate the size of the installed application. I found an answer here I have test… Read more How To Get The Size Of Installed Application?

I want to measure ambient temperature on android device. but my device doesn t include thermometer … Read more How To Measure Ambient Temperature In Android

i am using the android's Bluetoothgatt sample application. the device is connected but the blue… Read more Ble Device Bluetoothdevice.getname() Returns Null