PCSalt

Modern RecyclerView — ListAdapter, DiffUtil & ViewBinding in Kotlin

Wed, 01 Apr 2026 00:00:00 GMT

Build efficient RecyclerView lists with ListAdapter, DiffUtil.ItemCallback, and ViewBinding in Kotlin — with click handling, ViewModel integration, and common pitfalls.

Multi-Module Spring Boot Project with Gradle Version Catalog

Wed, 01 Apr 2026 00:00:00 GMT

Structure a multi-module Spring Boot project with Gradle — shared dependencies via version catalogs (libs.versions.toml), module boundaries, and build optimization.

Automating Immich Version Updates with GitHub Actions

Sat, 28 Mar 2026 00:00:00 GMT

A GitHub Actions workflow to update Immich versions with validation, auto-commit, and chained deployment — no SSH required.

From Manual Chaos to Automated Deployments: My Home Server CI/CD with GitHub Actions

Fri, 27 Mar 2026 00:00:00 GMT

How I replaced SSH-and-pray deployments with GitHub Actions — path-based triggers, reusable workflows, and selective service deployment for a multi-service home server.

Automating Android Repo Maintenance with Reusable GitHub Actions

Mon, 16 Mar 2026 00:00:00 GMT

How I modernized 8 Android repos in one session — reusable CI workflows, batch build system updates, and a pattern for maintaining multiple projects at scale.

Rate Limiting & Circuit Breakers with Resilience4j

Sun, 15 Mar 2026 00:00:00 GMT

Add resilience to Spring Boot 4 services with Resilience4j — circuit breakers, retries, rate limiters, bulkheads, and how to configure them for production.

SharedPreferences in Android — The Complete Guide

Sat, 14 Mar 2026 00:00:00 GMT

Everything you need to know about SharedPreferences in Android — when to use it, how to save, read, remove, and list all stored values. All examples in Kotlin.

AlertDialog in Android — The Complete Guide

Tue, 10 Mar 2026 00:00:00 GMT

Everything you need to know about AlertDialog in Android — basic usage, selection dialogs, custom layouts, and button customization. All in Kotlin.

Spring Boot Actuator & OpenTelemetry — Production Monitoring

Sun, 01 Mar 2026 00:00:00 GMT

Set up Spring Boot Actuator for health checks and metrics, integrate OpenTelemetry for distributed tracing, and export to Prometheus and Grafana.

Spring Boot + Kafka — Producer, Consumer & Dead Letter Topics

Sun, 15 Feb 2026 00:00:00 GMT

Integrate Apache Kafka with Spring Boot 4 — producer configuration, consumer groups, error handling, dead letter topics, and JSON serialization.

CSRF, XSS & SQL Injection — Practical Prevention in Spring Boot

Sun, 01 Feb 2026 00:00:00 GMT

Understand CSRF, XSS, and SQL injection attacks — what they are, how they exploit web applications, and how to prevent each one in Spring Boot with practical examples.

Testing Spring Boot — Unit, Integration & Testcontainers

Sun, 01 Feb 2026 00:00:00 GMT

A practical guide to testing Spring Boot 4 applications — unit tests, MockMvc, @DataJpaTest, Testcontainers for PostgreSQL, and @ServiceConnection.

Spring Security — Role-Based Access Control (RBAC)

Tue, 20 Jan 2026 00:00:00 GMT

Implement role-based access control in Spring Boot 4 — roles vs authorities, @PreAuthorize, method-level security, hierarchical roles, and database-backed permissions.

Java 25 — String Templates & Flexible Constructor Bodies

Thu, 15 Jan 2026 00:00:00 GMT

Java 25 finalizes string templates with the STR processor and flexible constructor bodies — two features that simplify everyday Java code.

Spring Security — JWT Authentication from Scratch

Thu, 15 Jan 2026 00:00:00 GMT

Implement JWT authentication in Spring Boot 4 with Spring Security 7 — login endpoint, token generation, validation, refresh tokens, and protected routes.

Java 25 — Primitive Types in Patterns & instanceof

Thu, 01 Jan 2026 00:00:00 GMT

Java 25 finalizes primitive type patterns — use int, long, double, and boolean in instanceof checks and switch expressions. Practical examples and migration tips.

API Versioning — URL, Header & Content Negotiation Strategies

Thu, 01 Jan 2026 00:00:00 GMT

Compare API versioning strategies — URL path, custom header, and content negotiation. Includes Spring Boot 4 built-in versioning support and decision framework.

Spring Data JPA with PostgreSQL — Repository Pattern Done Right

Thu, 01 Jan 2026 00:00:00 GMT

Set up Spring Data JPA with PostgreSQL in Spring Boot 4 — entities, repositories, custom queries, pagination, and database migrations with Flyway.

Java 21 — Scoped Values — The ThreadLocal Replacement

Mon, 15 Dec 2025 00:00:00 GMT

Understand Java's Scoped Values — why they replace ThreadLocal, how they work with virtual threads, and practical patterns for request-scoped data.

REST API Design in Spring Boot 4 — Validation, Error Handling & DTOs

Mon, 15 Dec 2025 00:00:00 GMT

Design production-ready REST APIs in Spring Boot 4 — request validation with Bean Validation, structured error responses, DTO patterns, and API best practices.

Java 21 — Structured Concurrency

Mon, 01 Dec 2025 00:00:00 GMT

Understand Java's Structured Concurrency API — StructuredTaskScope, ShutdownOnFailure, ShutdownOnSuccess, and how it prevents thread leaks in concurrent code.

Spring Boot 4 Starter — Project Setup, Structure & First API

Mon, 01 Dec 2025 00:00:00 GMT

Set up a Spring Boot 4 project from scratch — project structure, REST controller, configuration, profiles, and your first working API endpoint.

Migrating from XML Views to Compose — Gradual Adoption Strategy

Sat, 15 Nov 2025 00:00:00 GMT

Migrate from XML Views to Jetpack Compose incrementally — ComposeView in Fragments, AndroidView for legacy widgets, navigation interop, and a practical migration roadmap.

Java 21 — Sequenced Collections — Finally, a First/Last API

Sat, 15 Nov 2025 00:00:00 GMT

Java 21's Sequenced Collections add getFirst(), getLast(), and reversed() to List, Set, and Map — the API Java has been missing for 25 years.

Secure CI/CD — Signing APKs, Protecting Secrets in GitHub Actions

Sat, 15 Nov 2025 00:00:00 GMT

Secure your Android CI/CD pipeline — APK signing in GitHub Actions, keystore management, secret protection, artifact verification, and supply chain security.

Compose + Retrofit + Coroutines — Full API Integration

Sat, 01 Nov 2025 00:00:00 GMT

Build a complete API integration in Jetpack Compose — Retrofit setup, coroutine-based calls, ViewModel state management, error handling, loading states, and pull-to-refresh.

Java 21 — Record Patterns & Sealed Classes in Practice

Sat, 01 Nov 2025 00:00:00 GMT

Use Java 21's record patterns and sealed classes together — destructuring records in switch, nested patterns, and building type-safe domain models.

API Rate Limiting & Abuse Prevention

Sat, 01 Nov 2025 00:00:00 GMT

Implement API rate limiting — token bucket, sliding window, per-user and per-IP limits, Spring Boot implementation with Bucket4j, and abuse prevention strategies.

Migrating from Java 17 to 21 — What Breaks, What Improves

Mon, 20 Oct 2025 00:00:00 GMT

A practical migration guide from Java 17 to 21 — breaking changes, deprecated removals, new features to adopt, and step-by-step upgrade process.

Custom Layouts & Modifiers in Compose

Wed, 15 Oct 2025 00:00:00 GMT

Build custom layouts and modifiers in Jetpack Compose — Layout composable, custom modifiers, intrinsic measurements, and when you need to go beyond Column and Row.

Java 21 — Pattern Matching for switch (Exhaustive & Guarded)

Wed, 15 Oct 2025 00:00:00 GMT

Master Java 21's pattern matching for switch — type patterns, guarded patterns, null handling, exhaustiveness, and practical examples for cleaner code.

CORS Explained — Why Your API Rejects Frontend Requests

Wed, 15 Oct 2025 00:00:00 GMT

Understand CORS from the ground up — what it is, why browsers enforce it, preflight requests, how to configure it in Spring Boot, and common debugging tips.

Side Effects in Compose — LaunchedEffect, DisposableEffect & More

Wed, 01 Oct 2025 00:00:00 GMT

Master side effects in Jetpack Compose — LaunchedEffect, DisposableEffect, SideEffect, rememberCoroutineScope, and when to use each.

Java 21 — Virtual Threads Explained with Real Examples

Wed, 01 Oct 2025 00:00:00 GMT

Understand Java virtual threads — how they work, when to use them, migration from thread pools, and real-world performance comparisons with platform threads.

Designing for Failure — Retry, Timeout, Bulkhead & Fallback Patterns

Wed, 01 Oct 2025 00:00:00 GMT

Build resilient systems with failure patterns — retries with backoff, timeouts, circuit breakers, bulkheads, and fallbacks. Practical examples with Resilience4j.

Secrets Management — Environment Variables, Vault & Sealed Secrets

Wed, 01 Oct 2025 00:00:00 GMT

How to manage secrets in production — environment variables, HashiCorp Vault, Kubernetes Sealed Secrets, and patterns for keeping credentials out of code.

Java 25 — What's New in the Next LTS

Sat, 20 Sep 2025 00:00:00 GMT

A practical overview of Java 25 LTS — the features that matter, what's finalized from preview, and what you need to know before upgrading from Java 21.

Forms in Compose — TextField, Validation & Keyboard Actions

Mon, 15 Sep 2025 00:00:00 GMT

Build production-ready forms in Jetpack Compose — TextField styling, input validation, error states, keyboard actions, and form submission patterns.

Caching Strategies — Redis, In-Memory & HTTP Cache Headers

Mon, 15 Sep 2025 00:00:00 GMT

A practical guide to caching — when to cache, where to cache, cache invalidation strategies, Redis patterns, HTTP cache headers, and avoiding stale data.

Securing Android Apps — Certificate Pinning, ProGuard & Network Security Config

Mon, 15 Sep 2025 00:00:00 GMT

Harden your Android app — network security configuration, certificate pinning, ProGuard/R8 obfuscation, encrypted storage, and preventing reverse engineering.

Theming in Compose — Material3, Dynamic Color & Dark Mode

Mon, 01 Sep 2025 00:00:00 GMT

Set up a complete theme system in Jetpack Compose — Material3 color schemes, typography, dynamic color, dark mode, and custom theme extensions.

Domain-Driven Design (DDD) — Bounded Contexts in Practice

Mon, 01 Sep 2025 00:00:00 GMT

A practical guide to Domain-Driven Design — bounded contexts, aggregates, value objects, and how to apply DDD without drowning in abstraction.

API Security Checklist — OWASP Top 10 for Backend Developers

Mon, 01 Sep 2025 00:00:00 GMT

A practical API security checklist covering authentication, authorization, input validation, rate limiting, and the OWASP API Security Top 10 risks.

Lists in Compose — LazyColumn, LazyGrid & Performance Tips

Fri, 15 Aug 2025 00:00:00 GMT

Build efficient lists in Jetpack Compose — LazyColumn, LazyRow, LazyGrid, item keys, content types, and performance optimization for smooth scrolling.

MVVM vs MVI in Android — Which One and When

Fri, 15 Aug 2025 00:00:00 GMT

A practical comparison of MVVM and MVI architecture patterns in Android — how each works, when to use which, and how to avoid common pitfalls in both.

Kotlin 2.x — What Changed and How to Migrate

Fri, 15 Aug 2025 00:00:00 GMT

Everything you need to know about migrating to Kotlin 2.x — the K2 compiler, breaking changes, new features, Compose compiler integration, and step-by-step migration guide.

JWT Deep Dive — Structure, Signing, Validation & Common Mistakes

Fri, 15 Aug 2025 00:00:00 GMT

Understand JSON Web Tokens from the inside — header, payload, signatures, HMAC vs RSA, token validation, refresh strategies, and the mistakes that lead to security breaches.

Navigation in Compose — Type-Safe Routes with Navigation 2.8+

Fri, 01 Aug 2025 00:00:00 GMT

Build type-safe navigation in Jetpack Compose using Kotlin Serialization and Navigation 2.8+ — no more string-based routes, argument parsing, or runtime crashes.

Saga Pattern — Managing Distributed Transactions

Fri, 01 Aug 2025 00:00:00 GMT

How to implement the Saga pattern for distributed transactions in microservices — choreography vs orchestration, compensation, and practical implementation with Kafka.

Kotlin Testing with Kotest & MockK — Beyond JUnit

Fri, 01 Aug 2025 00:00:00 GMT

Level up your Kotlin testing — Kotest for expressive test styles and assertions, MockK for idiomatic mocking. A practical guide with real-world examples.

OAuth 2.0 & OpenID Connect — How Authentication Actually Works

Fri, 01 Aug 2025 00:00:00 GMT

Understand OAuth 2.0 and OpenID Connect from the ground up — flows, tokens, scopes, and how to implement Google/GitHub login in your app without the confusion.

State Management in Compose — remember, mutableStateOf & ViewModel

Tue, 15 Jul 2025 00:00:00 GMT

Master state management in Jetpack Compose — remember, mutableStateOf, rememberSaveable, state hoisting, and connecting to ViewModel for production apps.

Database Per Service — Patterns for Data Isolation in Microservices

Tue, 15 Jul 2025 00:00:00 GMT

How to implement database-per-service in microservices — data ownership, cross-service queries, eventual consistency, and practical patterns for data isolation.

Kotlin Value Classes & Inline Functions — Zero-Cost Abstractions

Tue, 15 Jul 2025 00:00:00 GMT

Learn how Kotlin value classes and inline functions give you type safety and abstraction without runtime overhead — wrapping primitives, type-safe IDs, and performance patterns.

Jetpack Compose — Your First Screen (Text, Button, Column, Row)

Tue, 01 Jul 2025 00:00:00 GMT

Build your first Jetpack Compose screen from scratch — Text, Button, Column, Row, modifiers, and previews. Everything you need to start building UI in Compose.

Microservices vs Monolith — A Practical Decision Framework

Tue, 01 Jul 2025 00:00:00 GMT

A no-hype comparison of microservices and monoliths — when each architecture makes sense, the real tradeoffs, and how to decide for your project.

Kotlin + Arrow — Functional Error Handling (Either, Raise)

Tue, 01 Jul 2025 00:00:00 GMT

Learn functional error handling in Kotlin with Arrow — Either, Raise, typed errors, and how to replace try-catch with composable error handling.

CQRS with Spring Boot, Kafka & MongoDB — Part 5: Putting It All Together

Sun, 29 Jun 2025 00:00:00 GMT

Docker Compose setup, end-to-end flow walkthrough, integration tests with Testcontainers, and a production readiness checklist for the complete CQRS system.

CQRS with Spring Boot, Kafka & MongoDB — Part 4: The Hard Parts

Sun, 22 Jun 2025 00:00:00 GMT

Eventual consistency, idempotent consumers, schema evolution, the outbox problem — the real-world challenges that make CQRS hard and how to handle them.

CQRS with Spring Boot, Kafka & MongoDB — Part 3: Query Side — Reads at Scale

Sun, 15 Jun 2025 00:00:00 GMT

Building the query service — consuming Kafka events, building read-optimized projections, and serving fast queries from MongoDB.

Event-Driven Architecture — When and Why (Not Just Kafka)

Sun, 15 Jun 2025 00:00:00 GMT

Understand event-driven architecture beyond the buzzwords — events vs commands, messaging patterns, when to use it, and when synchronous calls are better.

Kotlin Context Receivers & Scope Functions Deep Dive

Sun, 15 Jun 2025 00:00:00 GMT

Master Kotlin's scope functions (let, run, with, apply, also) and understand context receivers — when to use each, common patterns, and real-world examples.

CQRS with Spring Boot, Kafka & MongoDB — Part 2: Command Side — Writes Done Right

Sun, 08 Jun 2025 00:00:00 GMT

Building the command service — accepting orders, validating business rules, persisting to MongoDB, and publishing domain events to Kafka.

Clean Architecture for Android — Without Over-Engineering

Sun, 01 Jun 2025 00:00:00 GMT

A practical guide to Clean Architecture in Android — when to use it, how to structure layers, and how to avoid the over-abstraction trap that kills productivity.

CQRS with Spring Boot, Kafka & MongoDB — Part 1: What is CQRS and why you need it

Sun, 01 Jun 2025 00:00:00 GMT

Understanding Command Query Responsibility Segregation, when it makes sense, and how Spring Boot, Kafka, and MongoDB fit together in a CQRS architecture.

Kotlin + Ktor — Building a REST API Without Spring

Sun, 01 Jun 2025 00:00:00 GMT

Build a REST API with Ktor 3 and Kotlin — routing, serialization, authentication, database access, and testing. A lightweight alternative to Spring Boot.

Kotlin Multiplatform — Share Code Between Android & Backend

Thu, 15 May 2025 00:00:00 GMT

A practical guide to Kotlin Multiplatform (KMP) — share business logic, models, and validation between your Android app and Spring Boot backend without duplicating code.

Kotlin DSL — Build Your Own Type-Safe Builder

Thu, 01 May 2025 00:00:00 GMT

Learn how to create type-safe DSLs in Kotlin using lambdas with receivers, extension functions, and builder patterns. Build a real HTML DSL and a config DSL from scratch.

Kotlin Sealed Classes & When Expressions — Modeling State

Tue, 15 Apr 2025 00:00:00 GMT

Learn how Kotlin sealed classes and when expressions work together to model state, handle API responses, and eliminate impossible states in your code.

Kotlin Flows — Cold Flows, Hot Flows & StateFlow Explained

Tue, 01 Apr 2025 00:00:00 GMT

Understand Kotlin Flow from the ground up — cold vs hot flows, Flow builders, operators, StateFlow, SharedFlow, and when to use each in Android and backend projects.

5 Kotlin Extension Functions You'll Use in Every Android Project

Sat, 15 Mar 2025 00:00:00 GMT

Practical Kotlin extension functions for Android — view visibility, toasts, keyboard handling, dp conversion, and intent helpers. Copy, paste, use.

Kotlin Coroutines — Part 3: Real-World Patterns

Sat, 01 Mar 2025 00:00:00 GMT

Flows, StateFlow, coroutines in Android and Spring Boot, Retrofit, Room, and testing — practical patterns you'll use every day.

Kotlin Coroutines — Part 2: Structured Concurrency

Sat, 08 Feb 2025 00:00:00 GMT

How structured concurrency keeps your coroutines under control — scopes, cancellation, exception handling, and the parent-child relationship that prevents orphan coroutines.

Kotlin Coroutines — Part 1: The Basics

Sat, 01 Feb 2025 00:00:00 GMT

A practical introduction to Kotlin coroutines — why they exist, how to launch them, suspend functions, dispatchers, and concurrent execution patterns.

JSON Parsing in Kotlin — Parsing with Kotlin Serialization

Wed, 15 Jan 2025 00:00:00 GMT

Parse a complex JSON response using Kotlin Serialization — the Kotlin-native, compile-time safe approach with no reflection.

CI/CD for Android with GitHub Actions

Mon, 05 Aug 2024 00:00:00 GMT

Set up automated builds, tests, signing, and Play Store deployment for your Android project using GitHub Actions.

XML Parsing in Kotlin — XmlPullParser and Retrofit

Thu, 01 Aug 2024 00:00:00 GMT

Parse XML in Kotlin using Android's built-in XmlPullParser and Retrofit with SimpleXML converter. Manual vs automatic — when to use what.

JSON Parsing in Kotlin — Which Library Should You Use?

Fri, 19 Jul 2024 00:00:00 GMT

A side-by-side comparison of org.json, Gson, Moshi, Kotlin Serialization, and Jackson for JSON parsing in Kotlin.

JSON Parsing in Java — Which Library Should You Use?

Wed, 17 Jul 2024 00:00:00 GMT

A side-by-side comparison of org.json, Gson, Moshi, and Jackson for JSON parsing in Java — with recommendations for Android, backend, and new projects.

JSON Parsing in Kotlin — Parsing with Jackson

Mon, 15 Jul 2024 00:00:00 GMT

Parse a complex JSON response using Jackson with the Kotlin module — the server-side powerhouse that's also the default in Spring Boot.

JSON Parsing in Java — Parsing with Jackson

Sat, 13 Jul 2024 00:00:00 GMT

Parse a real-world JSON response using Jackson in Java 21. ObjectMapper, annotations, and the JavaTimeModule for dates.

JSON Parsing in Kotlin — Parsing with Moshi

Thu, 11 Jul 2024 00:00:00 GMT

Parse a complex JSON response using Moshi with Kotlin data classes, codegen, and proper null safety. The recommended JSON library for modern Android.

JSON Parsing in Java — Parsing with Moshi

Tue, 09 Jul 2024 00:00:00 GMT

Parse a real-world JSON response using Moshi in Java 21. Clean annotations, custom adapters, and built-in null safety.

JSON Parsing in Kotlin — Parsing with Gson

Sun, 07 Jul 2024 00:00:00 GMT

Parse a complex JSON response using Gson with Kotlin data classes. Automatic mapping, @SerializedName, nullable types, and a custom TypeAdapter for Instant.

JSON Parsing in Java — Parsing with Gson

Fri, 05 Jul 2024 00:00:00 GMT

Parse a real-world JSON response using Gson in Java 21. Automatic mapping, annotations, and custom adapters — the easy way.

JSON Parsing in Kotlin — Manual Parsing with org.json

Wed, 03 Jul 2024 00:00:00 GMT

Parse a complex, real-world JSON response manually using org.json in Kotlin. Extension functions help, but the verbosity is still real.

JSON Parsing in Java — Manual Parsing with org.json

Mon, 01 Jul 2024 00:00:00 GMT

Parse a complex, real-world JSON response manually using org.json in Java 21. Every getString, every null check, every nested loop — the hard way.

Display Item Selected from AutoCompleteTextView in Chip

Sun, 23 May 2021 00:00:00 GMT

In this blog we are going to display a list of planets in an AutoCompleteTextView. The list of planets will...

Add Border to Just One Side of View

Thu, 22 Apr 2021 00:00:00 GMT

At some point there is a need to display a layout with border(s). And sometimes the border is required in...

BottomSheetDialogFragment — Disable Cancel on Touch Outside and Drag

Tue, 20 Apr 2021 00:00:00 GMT

Disable Cancel on Touch Outside & on Back press In order to create a BottomSheetDialogFragment which should not dismiss on...

Rearrange positive and negative numbers in an array — Java

Mon, 09 Nov 2020 00:00:00 GMT

Partition an array so all negative numbers appear on the left and positive numbers on the right, in-place with only one extra variable.

Convert JSON to comma-separated key=value pairs — Java

Tue, 03 Nov 2020 00:00:00 GMT

Recursively flatten a nested JSON object into a compact comma-separated key=value string in Java.

Add Badge Count to Navigation Drawer Hamburger Icon

Sat, 09 May 2020 00:00:00 GMT

NavigationDrawer provides easy access to menu functions. Sometimes the menu items have some actionable content available. To notify user that...

Migrate to Android Room with Date Column

Fri, 01 May 2020 00:00:00 GMT

Migrating our apps to Android Room from conventional SQLite Database was flawless except when we encountered issue with Date column...

Generate App Name with Version Code and Flavour Name

Sun, 19 Apr 2020 00:00:00 GMT

After a build is shared to a team or group of people, sometimes a question arises that what was the...

Detecting obstacle with IR (Infrared) Sensor Raspberry Pi 3

Mon, 06 Mar 2017 00:00:00 GMT

Concept: IR (Infrared) Sensor IR (Infrared) Sensor works by emitting infrared signal/radiation and receiving of the signal when the signal...

“Check if a string has balanced brackets — Java”

Sun, 11 Sep 2016 00:00:00 GMT

“Use a stack to check if a string has balanced opening and closing brackets. Handles parentheses, square brackets, and curly braces.”

== vs equals() in Java — What's the difference?

Sun, 11 Sep 2016 00:00:00 GMT

Understanding the difference between the == operator and equals() method in Java, and why using the wrong one leads to subtle bugs.

Product Flavors in Android

Sun, 29 May 2016 00:00:00 GMT

Environment plays a vital role in the application development. As per the requirements, we have to create few environments, viz....

Set Margins in DP Programmatically

Sat, 17 Oct 2015 00:00:00 GMT

Sometimes at runtime, it is required to set margin to a view. But, the problem is getting different size for...

EditText with Single Line, Line Wrapping and Done Action in Android

Mon, 05 Oct 2015 00:00:00 GMT

Regular formula for making an EditText- Single Line : no new line allowed,- Line Wrapping : Single line wrapped...

Find and Delete Duplicate Files — Kotlin CLI Tool

Tue, 12 Aug 2014 00:00:00 GMT

A command-line utility in Kotlin that scans directories for duplicate files using MD5 hashing and lets you review and delete them safely.

Copy to Clipboard Programmatically

Mon, 02 Dec 2013 00:00:00 GMT

Copy text to clipboard and paste from clipboard programmatically in Android using ClipboardManager and ClipData.

Create List Using ListView

Sat, 09 Mar 2013 00:00:00 GMT

Update: Instead of using ListView now you should start using RecyclerView. If you are unfamiliar with RecyclerView then you can...

String Concatenation in Java — concat() vs + vs StringBuilder

Fri, 15 Feb 2013 00:00:00 GMT

Understanding the real differences between concat(), the + operator, and StringBuilder in Java — what actually matters and what doesn't.

Add EditText Programmatically

Sat, 26 Jan 2013 00:00:00 GMT

Sometimes it is the requirement of the program to add EditText programmatically. The following code can be used to add...