Raj
Suvariya

Making ActionBar beautiful by showing Count on ActionBar Icon

Step 1: Creating drawable with layer-list First of all, we will understand what are layer-list and how it works? Basically layer-list provides us a way to create a drawable icon using more than one items (drawable, bitmap etc.) and adding them in each layer of layer-list stack.

How to use Native Modules in React Native + Android - Hybrid Apps

Step 1 : Create the module In your Android Studio, create a new Java file SharedPrefereneModule.java at your convenient path and extend it with ReactContextBaseJavaModule . There is a one abstract method getName() of this super class which you need to override. This method returns name of the module by which you can access it from React Native.

DiffUtils : Improving performance of RecyclerView - Mindorks

Difference between listview and recyclerview Well, recyclerview is a just improved version of Listview. In ListView, if you don't create viewholder class then it creates views for all the rows, which is not good for the performance of the app as it takes more time as well as more memory.

Different Ways to Prevent Method Overriding in Java

Inheritance is a substantial rule of any Object-Oriented Programming (OOP) language but still, there are ways to prevent method overriding in child classes which are as follows: Methods: Using a static method, Using private access modifier, Using default access modifier, Using the final keyword method

Find element with maximum weight in given price range for Q queries

Given an array arr[] of size N where each element denotes a pair in the form (price, weight) denoting the price and weight of each item. Given Q queries of the form [X, Y] denoting the price range. The task is to find the element with the highest weight within a given price range for each query.