I am Jimmy Leonardo Mobile & Web Developer

Must Have Libraries

There are many third-party libraries for Android but several of them are “must have” libraries that are extremely popular and are often used in almost any Android project. Each has different purposes but all of them make life as a developer much more pleasant. The major libraries are listed below in a few categories.

Android: Sending Email using Intents

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Many things on Android are as easy as starting an Activity using the right Intent. Sending an email to a specific recipient is one of those things.
Sadly, there is much bad advice out there on how to send emails using Intents. Because I write an open source email app I have a pretty good understanding of what goes on behind the scenes. That’s why I believe I know better than all those other people :)

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Splash screen the right way

I believe that Google isn’t contradicting itself; the old advice and the new stand together. (That said, it’s still not a good idea to use a splash screen that wastes a user’s time. Please don’t do that.)
However, Android apps do take some amount of time to start up, especially on a cold start. There is a delay there that you may not be able to avoid. Instead of leaving a blank screen during this time, why not show the user something nice? This is the approach Google is advocating. Don’t waste the user’s time, but don’t show them a blank, unconfigured section of the app the first time they launch it, either.
If you look at recent updates to Google apps, you’ll see appropriate uses of the splash screen. Take a look at the YouTube app, for example.

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ABC Flash Cards

ABC Flash Cards

ABC Flash Cards is great for teaching children Alphabet and Numbers with fun and easy way. ABC Flash Cards will teach your kids with a lot of animal characters, interactive screen, with background sound, with voice for each Alphabet and Numbers. Every letter of Alphabet and Numbers show different colors and different animals.

ABC Flash Cards Application to increase vocabulary, concentration and cognition skills for children.

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IP Info

IP Info

My IP Information is a simple application to help you to check your current IP address, Region or Country your IP, Organization your IP, and will show your IP location on map.

My IP Information is create with a very simple and clean user interface design so users can use this application very easily.

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Otocare Android

Otocare is mobile application launched by Astra Insurance. This application has been available for download via Google Play for Android platform and Apple’s App Store for iPhone iOS. Otocare aimed for the public user and customers Garda Oto. Simply by downloading Otocare, users can get a lot of information and services from Astra Insurance in one application.

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Ongkir Resi

Ongkir Resi is an application that helps you to find the Local shipping cost (Indonesian courier like JNE, POS Indonesia, TIKI, PCP, ESL, dan RPX), Worldwide shipping cost (EMS), and help you track your package (JNE).

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Quote Generator

Looking for simple quote or meme generator? Tired with others application that are difficult to use?
Quote Generator is the best and easiest way to create and share your quotes or meme with the world. Quote Generator ready with some customizing options such as background colors, text colors, text size, and fonts, or you can choose your photo from sdcard to be used as background, so you can share your own quotes or meme to other friends.

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Android Studio Shortcut for Mac OS X

Android Studio have many keyboard shortcuts that helps developers to develop android application. Let me show you some of the shortcuts for android studio for Mac user.

Android Studio Command Type Mac OS X Shortcuts
Reformat code OPTION + CMD + L
Show selected API documentation F1 / FUNCTION + F1
Generate Source Code CMD + N
Jump to source CMD + DOWN ARROW KEY
Search by symbol name OPTION + CMD + O
Build CMD + F9
Build and Run CTRL + R
Toggle Project Sidebar Visibility CMD + 1
Open Class CMD + O
Open File ( including resources) CMD + SHIFT + O
Recent Files Opened CMD + E
Recently edited files CMD + SHIFT + E
Previous Next/Previous Error F2 / FUNCTION F2
Last Edited Location CMD + SHIFT + BACKSPACE
Last Location CMD + [ and CMD + ]
Go to Declaration CMD + B
Go to Super CMD + Y
Next Word Navigation ALT + LEFT/RIGHT ARROW KEY
Find CMD + F
Find in Path SHIFT + CMD + F
Refactor Class, Method CTRL + T