Translate this page

robot theme

How to Create Assets Folder in Android Studio

In android development, some important files such as images,sounds etc can be placed inside a special folder named assets.┬áin this tutorial, let’s create one. Select packages in…

robot theme

Set Custom Font for TextView Android App Java

This tutorial will help you to learn to set a custom font or your favourite ttf font for a TextView in android java Create a TextView in…

robot theme

How to Fix cannot resolve symbol ‘context’ in Java Android

This is a common error when you  use context as a variable but you haven’t initialized and declared it for example, take a look at this screenshot….

robot theme

How to Hide Toolbar ActionBar Android Java

To hide the toolbar or ActionBar in Java, use the below code getSupportActionBar().hide(); To show the toolbar or ActionBar, use this getSupportActionBar().show(); Remember to use appropriate themes,…

logo-free-to-use

How to Change Android Package Name Id Android Studio

Changing package name of an android app is explained here, it is not hard, however, you may face error in the google-services.json file, but it is an…

logo-free-to-use

How to Stop,Close or Finish an Activity on Android Java Programmatically

To close,stop or finish an activity, use this java code // close this activity finish(); For example: Intent i = new Intent(ThisActivity.this, NextActivity.class); startActivity(i); // close this…

logo-free-to-use

How to Clear Cache On Android WebView

Clear cache in Android webview This simple java code can be used to clear cache on android WebView Mywebview.clearCache(true); true or false here is boolean. Usually it…

logo-free-to-use

How to Change Android App Version to New Version Android Studio

Changing version name and version code is important when you updating your android app, Example version: 1.0.1, 1.2.2 etc. Each time when you updating an android app…

chip icon

Simplest FM Transmitter Electronic Circuit DIY

Simple DIY Fm Transmitter Electronic Circuit This is a simplest FM transmitter circuit i built so far, for educational purposes. many “simple transmitters” (Most transmitters on internet…

chip icon

12V DC Dual Power Supply Circuit Diagram

Regulated Dual DC 12V DIY Electronic Circuit Diagram This circuit can be used to create your own Dual power supply What Exactly is a Dual Power Supply?…