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

Replace FindViewByID with ViewBinding in Java on Android

In the gradle.build file for the module, add following code and Sync: buildFeatures { viewBinding true } Above automatically generates binding objects for every layout when the plugin is synced. For activity_main.xml, it will generate ActivityMainBinding class. In MainActivity.java, use inflate method on ActivityMainBinding in onCreate method as shown below: ActivityMainBinding bindMain; bindMain = ActivityMainBinding.inflate(getLayoutInflater()); … Continue reading Replace FindViewByID with ViewBinding in Java on Android

Great resources for coders or developers

All things developers and development articles can be found at https://dev.to. Best site for coders and developers https://www.freecodecamp.org. Here's a great article on one resume that was exceptional https://cloudirregular.substack.com/p/the-greatest-resume-ive-ever-seen?s=r. Learn to code for free with Google's Grasshopper app https://grasshopper.app. Get it from the Google Play Store.

How to fix message in Android Studio 4.2 to remove jcenter() and migrate to mavenCentral()

Android Studio 4.2 displays below message.Please remove usages of jcenter() Maven repository from your build scripts and migrate your build to other Maven repositories. This repository is deprecated and it will be shut down in the future. To fix it, open the gradle file at the project level, search and and replace jcenter() with mavenCentral(). … Continue reading How to fix message in Android Studio 4.2 to remove jcenter() and migrate to mavenCentral()

Email: [Firebase] Client access to your Cloud Firestore database expiring in X day(s)

The easiest way to overcome this expiry is to change the date in the rules after logging into the account:match /{document=**} {// from previous date 2020, 11, 11 to new date 2021, 12, 11allow read, write: if request.time < timestamp.date(2021, 12, 11);} However, do note that it is important to drop access using this method … Continue reading Email: [Firebase] Client access to your Cloud Firestore database expiring in X day(s)

How to assign value to text view directly in Android Kotlin

In Android Studio, when referencing layout (GUI) elements, the normal flow is to use code as below: var tv = findViewById(R.id.tv_name) tv = myString But, in Kotlin, Prior Android version 10, it was easy to assign values to layout elements without using find_view_by_id by simply using: tv_name.text = myString However, this has stopped working and … Continue reading How to assign value to text view directly in Android Kotlin

Android Studio experience on Linux distributions

Finally tried out Android Studio 4.0.1 on multiple Linux distributions. However, below is my experience on how it went. Mileage varies. Linux Mint 20 with Android Studio without a swap file of 8 GB would hang or freeze very frequently. Technically, not a freeze but it got too slow to be able to do anything … Continue reading Android Studio experience on Linux distributions

How to run India income tax Java utilities on Linux Mint 20 or Ubuntu 20.04 LTS or Fedora 32

From Ubuntu 20.04 LTS or LinuxMint 20, the Java 8 SDK or Java 8 Runtime Environment is in the repository, but the openjfx libraries are not of version 8 but of version 11. To overcome error, you can use the Zulu Java runtime for version 8 with JavaFX. Also, these steps can work on Fedora … Continue reading How to run India income tax Java utilities on Linux Mint 20 or Ubuntu 20.04 LTS or Fedora 32