Enable LinkedIn two factor authentication (2FA) with FreeOTP authenticator app

LinkedIn allows a user to enable two factor authentication (2FA) with an authenticator app. However, it displays a secret key and does not display a QR code for scanning by the FreeOTP app. To correctly use the FreeOTP app, an entry for LinkedIn has to be added manually in FreeOTP as follows:- Enter the user … Continue reading Enable LinkedIn two factor authentication (2FA) with FreeOTP authenticator app →

Samsung Phones and Hiya Smart Call blocking

Finally, Hiya works properly with Samsung phone. In past, this feature was called Samsung Smart Call. Due to settings problem, it kept the phone ringing even if callers were identified as spam. To make it work, the Samsung phone app has to be made the default caller ID app and in it's settings, clear storage … Continue reading Samsung Phones and Hiya Smart Call blocking →

How to backup Android apps source code from Android Studio or command line

Developers use Android Studio to create applications for Android devices. However, if a source code management system like github is not used, then the source code or code of these apps under development has to be backed up. To do this, there are two ways, one from Android Studio and the other from the command … Continue reading How to backup Android apps source code from Android Studio or command line →

Experience with Motorola G5S Plus (Sanders) (XT-1084) ROMs and Generic System Image custom ROMs Project Treble

Whatever you do with your device, it’s all at your own risk. The DeviceThe legacy Motorola G5S Plus phone (sanders) is of 2017 and has a lot of juice in it to support Android OS versions up to Android 12. However, sucess is not guaranteed. Since this device is over 5 years old now, Motorola … Continue reading Experience with Motorola G5S Plus (Sanders) (XT-1084) ROMs and Generic System Image custom ROMs Project Treble →

How to fix Module was compiled with an incompatible version of Kotlin error in Android

Module was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.7.1, expected version is 1.1.16 To fix above error in Android Studio rebuild the project from the menu using Build -> Rebuild Project.

How to improve speed of Android Studio on a legacy computer

Android Studio is one of the best IDEs for Android apps development, but with legacy computers, it is very slow. To run it on a Dell Vostro 3546, here's what I had to do. Upgrade hardware Minimum RAM required is 8 gb. The laptop came with 4 gb DDR3 1600 Mhz RAM which was slow, … Continue reading How to improve speed of Android Studio on a legacy computer →

How to use addTextChangedListener to change values of other TextViews

At times, the value of one TextView is to be replicated into others as a user types the text. Below illustrates how that can be done. In class MainActivity, variable has been declared for the class as below: TextInputEditText[] array_yourinterest_rate = new TextInputEditText[12]; Within the onCreate method of MainActivity, addTextChangedListener was added to change the … Continue reading How to use addTextChangedListener to change values of other TextViews →

How to include other layout xml files in a layout file in Android

Sometimes some layout files can contain too many views making it difficult to manage the layout file later. To overcome this, Android has an <include> tag that allows the inclusion of other layout files into the main layout file (in below illustration, the activity_main.xml file). <include android:id="@+id/b_layout" layout="@layout/activity_main_part_b" /> The above include statement will add … Continue reading How to include other layout xml files in a layout file in Android →

How to resolve Dependency ‘androidx.appcompat:appcompat:1.4.1’ requires ‘compileSdkVersion’ to be set to 31 or higher.Compilation target for module ‘:app’ is ‘android-30’

I had the below problem when building code for an older version of Android on Android Studio. Dependency 'androidx.appcompat:appcompat:1.4.1' requires 'compileSdkVersion' to be set to 31 or higher.Compilation target for module ':app' is 'android-30' I was able to solve it by changing the version of appcompat in the dependencies What I had: implementation 'androidx.appcompat:appcompat:1.4.0' I … Continue reading How to resolve Dependency ‘androidx.appcompat:appcompat:1.4.1’ requires ‘compileSdkVersion’ to be set to 31 or higher.Compilation target for module ‘:app’ is ‘android-30’ →