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()

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 install kvm on Fedora Linux

To install KVM on Fedora, open a terminal window and enter:$ sudo dnf -y install bridge-utils libvirt virt-install qemu-kvm <enter> Next, install virtual machine management tools:$ sudo dnf -y install virt-top libguestfs-tools <enter> Start the daemon:$ sudo systemctl start libvirtd <enter>$ sudo systemctl enable libvirtd <enter> This is a required step to use Android Studio's … Continue reading How to install kvm on Fedora Linux

How to fix Android Studio error message – Emulator: createOrGetGlobalVkEmulation: Warning: Vulkan 1.0 APIs missing from instance

Android Studio upon being freshly installed displayed the below error message in the event window: Emulator: createOrGetGlobalVkEmulation: Warning: Vulkan 1.0 APIs missing from instance This error is due to the Vulkan APIs that are not needed if the computer has no graphics card. To overcome this error, open a terminal window and do the following: … Continue reading How to fix Android Studio error message – Emulator: createOrGetGlobalVkEmulation: Warning: Vulkan 1.0 APIs missing from instance

How to enable Android Studio AVD to use only lesser number of CPUs than available on the computer

To use only 2 cores of the CPU of the computer, do the following action after opening a terminal window in Linux, where Device10.avd is the Android 10 AVD created: $ vi ~/.android/avd/Device10.avd/config.ini <enter> Change the values in red for the below parameters in the file to those in blue as below.hw.cpu.ncore=4 hw.cpu.ncore=2 Save the … Continue reading How to enable Android Studio AVD to use only lesser number of CPUs than available on the computer

How to fix the ADB Binary found adb is obsolete and has serious performance problems with Android Emulator error in Android Studio for Linux

The default Android SDK installed with Android Studio already has the adb application installed and it is the latest. The error ADB Binary found at /home/user/ adb is obsolete and has serious performance problems with Android Emulator appears only if from Android Studio, menu option, Tools -> SDK Manager -> SDK Tools, the Android SDK … Continue reading How to fix the ADB Binary found adb is obsolete and has serious performance problems with Android Emulator error in Android Studio for Linux

One more way to speed Android Studio in Linux

At times, Android Studio just slows down while indexing files on the Linux file system. To overcome this problem, some files like Thumbs.db or thumbs.db can be prevented from being taken up for indexing. To do so, start Android Studio and select the File->Settings -> File Types. Then at the end of the list of … Continue reading One more way to speed Android Studio in Linux

How to speed Android Studio in Linux by changed VM Options

After installing Android Studio 4.1 on Linux, one of the biggest issue was speed of Android Studio at startup. To improve speed vmoptions64 or vmoptions needs to contain the setof lines in blue below. You can change the file using a text editor as follows by opening a terminal window: $ mousepad ~/.AndroidStudio4.0/config/studio64.vmoptions <enter> or … Continue reading How to speed Android Studio in Linux by changed VM Options

How to change GPU mode for Android 10 Google Play API Pixel 3 AVD in Android Studio for Linux

If you install the AVD with Google Play Store, you cannot modify the GPU from Automatic or Hardware to any other value. It appears greyed in the AVD settings. Some of us do not have graphics cards on our systems and therefore, this setting has to be changed in order to enable Android Studio AVDs … Continue reading How to change GPU mode for Android 10 Google Play API Pixel 3 AVD in Android Studio for Linux