Capture specific UI element from the screen at anytime with Corona

Introduction:
In my last blog ( Capture whole screen at any time with Corona ) I have explained you that how easily we can take screenshot of the screen of our app using corona. So today I am going to explain you that how can corona can be useful to take a picture of specific display object.

Description:
As we already know that the ‘display’ API can be used to capture any screen, in similar way display library has funcion called ‘capture’ used to take the picture of a pointed UI element.

So let’s have a screen where we will have few UI elements and then we will capture one of the display object present on screen.

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Capture whole screen at any time with Corona

Introduction:
Think of a scenario where you are in certain position of a game level where you need to save the screenshot of that instance and probably you can share them later to your social network. So don’t worry more. Using Corona with few simple steps you can implement this feature to you application

Description:
Corona provides several API which makes your life easy while developing your application. ‘Display’ is the one of the API which generally called to populate UI element on the screen but it also have some function which can be called to capture the screen.
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Displaying Single and Multiline Message label using Corona SDK

Introduction: On every other application we need to use label in order to display custom message to the screen. I am going to demonstrate in this blog how can we add a single line and also multi line label to a screen using corona SDK.

Description: Corona SDK actually provides a framework using which we can make cross-platform mobile application like app for IOS and Android. Its provides several API libraries. One of those API is ‘display’ which have a function called newtext() using which we can display a label to any screen.

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Page Navigation using Director Class with Corona SDK

Introduction:
In every application we have different pages to hold different components and we need to navigate from one to another. With the Corona SDK, we have different ways for page navigation like navigation using director class, storyboard and so on. So here we will discuss about the page navigation using ‘director.lua’ class.

Description:
Suppose we have two windows, window1 and window2 and every application prepared with Corona have a landing page or we can say it as a start page for the application named as ‘main.lua’. If someone renames this file then app will not run. In order to use director class we need to put the director.lua file to root directory of the project with main.lua file.

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