Hi all.. In today’s post I will show you how to add actionbar tabs dynamically, remove one by one , hide and unhide them, removing all tabs at once etc. This simple java code does that. First create a project and in the MainActivity, paste this. You may be getting many errors, we will be… Read More »
Here we are accessing a mysql database and get the table values and show it in the Android side as tables. These are some tutorials that I have posted on connection with php and getting tablevalues. 1. Android phpmySQL connection redone. 2. Simplest Lazy Loading ListView Example in Android with data populated from a MySQL… Read More »
Hello all… You may have seen many implementations of Lazy Loading ListView. Today I will show you my method to create Lazy Loading ListViews. I dont know whether it can be any more simple than this. In this I am using AsyncTask to download each image. So we will start. Here we have 6 classes.… Read More »
We will go straight to the code. This is the layout containing the EditText and the Button.
This sample application does that. First create an xml for your notification. custom_notification.xml Now the java code.
OK At first we will create the XML that contains a TextView. marqueetext.xml Now the java code Note : The XMl alone will not create the marquee. For that the most important thing is to do this in java code. Now run the project and see the result.
Hello everyone… Here I am explaining two methods on how to create a blinking textview in Android. One with the help of Animation class and other with a Logic. Now let’s see that.. Place a textview with an id of “tv” in your layout and attempt this. Download the complete android source code from below.… Read More »
Hello all…… I have written a lost of posts on Listviews. You can see that by just searching Listviews in my site. Today I will show you how to create a slide out animation while we delete a row from a ListView. So this is the xml that contains the ListView. Let it be in… Read More »
Here is a complete example of How to read and write files to SDCARD and application SandBox in Android. First create a new project and inside the mainActivity paste this code. Now create another class named MyFile.java and copy this code into it. Now the layout for the xml file. Note you should give this… Read More »
In android for each time picker Dialog we can associate with a dialog. So with this dialog and a global variable we can have any number of Dialog listeners. Here is the sample java code. This is the layout file – main.xml MyAndroidAppActivity .java Please leave your valuable comments on this post.
With Android 3.0 Google eliminated the need of hardware menu button which is replaced by Action Bars. Here is a quick example on how to use ActionBars. First create a new project and name it ActionBarExample. Now create a folder named “menu” in res folder and create a new XML file inside it named “action_bar_menu.xml”.… Read More »
This is a simple example to how to stream an audio in android. Here is the java code for that. This is the xml that contains the button. When you run this program you will see a button and on clicking on that button you will see a dialog with message “Buffering…..”. Once the buffering… Read More »
Here is a simple example showing how to load an image stores in assets folder in android? Done.
Serializing a class file provides a fast and efficeint way to store information produced by your application! What is serialization? Serialization is essentually taking a screenshot of a class file and its contents. For example, lets say you have the following class: Now we will save this data to a file in the SDCARD. Make… Read More »
Here is a simple Application on how to use flashlight in android. Now the layout file main.xml. AndroiManifest.xml file contents. Make sure to add the permissions. Download the android java source code from here. please leave your valuable comments on this post.
We may have applications in which we may have to make repeated calls to a webservice. At that time services may be useful. This is such an example in which we will be creating a Service in android to create a repeated call to a webservice in a time delay of some seconds or milliseconds.… Read More »
This is a simple example showing A sliding Gallery in android. This example shows a sliding gallery with a paging Control and a changing page text which also indicate the page change. Create a new project named “SlidingGallery” and copy this code into “SlidingGalleryDemo.java“. My Activity name is “SlidingGalleryDemo.java” here. Now create a new class… Read More »
We all know how to add a new contact to our android devices without programming right. OK that’s a normal man’s use. But what from a programmer’s view. This is the sample java code that helps you to add contact programatically. After running this programs please switch to contacts application on your device to see… Read More »
Hello everyone.. I have already shown how to create a simple widget and add it to the home screen in my previous posts. If you have missed these posts please check it here. How to create a widget in android? In the next post I showed you how to listen to a widget delete action… Read More »
I have already covered a tutorial on how to start with widgets and how to create a simple widget here.. http://www.coderzheaven.com/2012/06/07/create-widget-android/ Today I will show you how to get notified when a widget is deleted. if you have already gone through my previous post, then there is only a small change in the “MyWidget.java” file.… Read More »
Hello everyone… In this post I will show you how to listen to hardware button in an android smartphone. This post especially shows how to listen to the home button in android. But my advice is never override the home button in your app. Home button is to move the currently running process to background.… Read More »
This is a simple post showing how to use accelerometer in android. This java code prints the values of x,y and z axis in the console. Leave your comments on this post. Find Coderzheaven on facebook, twitter , google Plus and MySpace for more updates.
Hello all… In my previous posts I have shown two methods to create custom progressbar in android. Check out these tutorials to find out how? 1. How to build a custom progressBar in android- Part 2? 2. Custom progressbar in android with text – part 3 Today in this post I will show you a… Read More »
Hello all…… I have posted two posts on how to customize a progressbar in android. 1. Custom Indeterminate progressBar for android? 2. How to build a custom progressBar in android- Part 2? Here is another one with update text on top of the progressbar. Here is how we start. After creating a fresh project create… Read More »
Hello all……. Today I am going to show you how to create a custom progressbar in android. Previously in another posts I have already shown how to build a custom indeterminate progressbar in android. And in this post I will show you how to customize the horizontal progressbar. OK Now we will start. First create… Read More »