Hello everyone In today’s tutorial I will show you how to filter a ListView based on an input from the EditText. This is really simple we just need to call getFilter().filter(search_string) on the adapter to filter the values from the ListViews. Just take a look at this example. Here is the layout file main.xml Here… Read More »
Here are some of the string functions that are most commonly used in Corona SDK. In this example you can find all the common string functions with a wroking example for each. This example contains functions to 1. Check the first character in a string 2. Check the last character in a string. 3. Changing… Read More »
Here are the different ways to trim a string in Corona SDK. Please check the console for the output. Download the source code from here
This is a sample tutorial for creating custom tabs that look like android tabs may be beautiful than that with buttons and styles. Here is the sample code for that. This is the layout for the tabs The main.xml file that includes the tab layout. Note : Please include the resources as needed. Please leave… Read More »
Sliding-Drawer in a nice and useful widget in android. Please check one of my previous posts to do this in another way. How to show a sliding window from below in Android? Check this new One using Navigation Drawer About Sliding drawer SlidingDrawer hides content out of the screen and allows the user to drag… Read More »
math.modf is used to get the integral and fractional part of a given number in corona. Return the integral and fractional parts of the given number.
Here is a simple function to change the opacity of a view in android. Opacity is called alpha in android. so setAlpha(int) will do the job. The integer value may range from 0-255.
Here is the sample code to get the number of taps on a view in Corona SDK. here button is a displayObject like an image or a UI Button and event.numTaps gives the number of Taps on that view.
This is really simple in Corona, just use textObject:setTextColor( 255,255,255 )
In the previous post I told you about corona SDK and Today I will show you how to get started with Corona SDK. 1. First Go to http://www.anscamobile.com/corona/ and download the SDK for trial. 2. If you are a MAC user then download the dmg or if you are windows user then download the exe… Read More »
Today I will talk about building games for android and iPhone. There are a lot of SDK’s available for building games over the internet and I am here to talk about the CORONA SDK. Corona SDK is a software development kit created by Walter Luh, co-founder of Ansca Mobile. It allows software programmers to build… Read More »
Here are the simple steps to sign an android apk and publish it to the android market if you have an android developer account. Follow these steps exactly 1. Right click your project in eclipse and Click Android tools – > export unsigned apk. Give it a name and save it in a directory. 2.… Read More »
In the previous post I have showed how to create gradient buttons in android using XML. This is how we do this in java code. This is another method of applying gradiant. Please leave your valuable comments.
You can create any type of views in android and you can provide any color you want as background. It can be a single color or any number of colors as you wish. Here is a simple example. First create an xml inside the res/drawable folder and name it blue_button.xml and copy this code into… Read More »
This is a simple example showing how to create a shadow for a textView in android.
In android we can simply start a browser or start the browser with a supplied search query. Remember that we start the browser using an intent and we can put extra parameters in an intent. Here in the browser intent we can supply the search query as a “SearchManager.QUERY” and giving the value.
Here is a simple method to listen to software keyboard done button in android while editing in an EditText.
This is a simple example showing how to load a webpage and show a progressBar while the page is loading in android. For that you have to set a chrome client for the webview which implements “onProgressChanged” Here is the layout file. Here is the java file
In android the default transition between activities is to slide from left to right. But with custom animations we can change that. First create a folder inside the res/drawable folder called “anim”. Then create a file named “fade.xml” and copy this code into it. create another file named “hold.xml” in the same place hold.xml. activity_animation.xml… Read More »
The first part is explained in this Tutorial, that is taking the screenshot of the application (View). The second part is storing it in the SDCARD. This is possible by compressing the image bitmap to bytes and then store. Finally dont forgot to put the following permission in the manifest file.
In android with shapes we can create beautiful layouts. Lets look at an example. Create an xml named “gradient.xml” in your drawable folder and copy this code into it. Now the main layout file main.xml The main java file. Done. You can now run the application.
Here is a simple code to get the current time in android in your own format. The output will look like this.
Hello all….. In today’s tutorial I will show you how to create a custom listview in android. For that we need 3java files. One holding the ListView itself another a Model object that holds the data for the listview and the third one for the Adapter which extends the ArrayAdapter class for holding the model.… Read More »
Here is a sample code to get the version of your application in android. Try changing the version in the AndroidManifest file and check the result in the console. Note : “pack.coderzheaven” should be replaced by your application package name.
This example will test whether a service is running in android if you know it’s package name. Run this sample of code to check this.