In the last few posts I have showed some examples of how to work with Google maps. In this post I will show you how to add a marker in our desired position in the map. Adding something on top of a map is called overlay. Here we will create a class to add an… Read More »
In the previous post I showed you how to start with google Maps and changing the views and changing the zooming of maps. Today I will show how to show our desired location in the Map. For that we need the latitude and longitude of the location we want to show the location on the… Read More »
Hello all……… In the previous post I showed you how to start with Google maps in android. In this post I will show you how to show zooming controls and changing the view of the map. Actually this is really simple. Add these lines to the previous code to add the zooming controls. Now how… Read More »
Hello everyone, in this tutorial I will show you how to start with Google Maps in android. Follow these steps while connecting to Google Maps in android. Create a project with “Google APIs” as the Base SDK. First, if you are testing the application on the Android emulator, locate the SDK debug certificate located in… Read More »
Hello all, Today I will show you a demo on how to use Asynchronous task in android. You should use this if you are doing a task that takes longer time to complete. This class doesnot block the UI thread so the “Application Not Responding” dialog will not appear when you are doing a big… Read More »
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 »
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 »
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.
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.
This is a simple example showing how will you disable any input on your current application screen in android. This is done by showing a transparent overlay dialog on the screen. This is how it is done. The layout for the above java file- main.xml