Java | Free Online Tutorials

Android: how to fix error: android.os.NetworkOnMainThreadException at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork

phptuts December 9, 2020

Example error: This exception is thrown when application attempts to perform a networking operation in the main thread. Use below code in your onViewCreated to…

Android: List of files of saved to the internal storage

phptuts December 9, 2020

Example get all files call recorder 3gpp Result:

Android error: Could not find tools.jar. Please check that contains a valid JDK installation

phptuts December 7, 2020

Example error: Solution: add line org.gradle.java.home=E:\\SETUP\\System\\jdk-15 to file gradle.properties

Android error: Failed to notify project evaluation listener. > org.gradle.api.internal.TaskInputsInternal.property

phptuts December 7, 2020

Example error: Step 2: edit File: wrapper/gradle-wrapper.properties

Android: Failed to notify project evaluation listener > javax/xml/bind/annotation/XmlSchema

phptuts December 7, 2020

Example error: Solution: Change Java version: Example change environment variable JAVA_HOME Old value: E:\SETUP\System\jdk-15 New value: C:\Program Files\Java\jre1.8.0_231 Restart your machine. Done!

React Native: how to fix error: SDK location not found. Define location with an ANDROID_SDK_ROOT environment

phptuts December 5, 2020

Sample error: Solution: Create file local.properties Done!

React Native on Windows: how to fix error: Could not initialize class org.codehaus.groovy.reflection.ReflectionCache

phptuts December 5, 2020

Sample error: Solution: Edit file gradle\wrapper\gradle-wrapper.properties Change line 3 to Done!

How to install Java on CentOS

phptuts February 10, 2018

Install Java Runtime Environment 1.8.0 Step 1: download https://www.java.com/en/download/manual.jsp For CentOS 32bits, use Linux RPM For CentOS 64bits, use Linux x64 RPM Result: Step 2:…

Cordova lesson 1: Installing the Cordova CLI

phptuts December 31, 2017

The Cordova command-line tool is distributed as an npm package. To install the cordova command-line tool, follow these steps: 1. Download and install Node.js. On…