Tag Archives: Java File

Uploading Image to Server – Android Eclipse Version.

Hi all, In today’s tutorial I will show you how to send an image to server using POST method in ANDROID. If you are working in Android studio, then checkout the article here. Uploading an image to server is a basic requirement in many of our application. Sending data to server which is using a PHP Script is… Read More »

Handling Multiple Instances of a Widget in Android and Identifying each instance with it’s own ID.

Hey everyone…….Hope all are well….. This post is about Android Widgets. This is going to be one of the bigger posts in Coderzheaven. This posts helps you to handle multiple instances of a Widget. Many of our problem is to identify different instances of the same widget. But there is a solution to this problem. Please check out… Read More »

How to crop an Image in Android?

This is a sample program that launches the camera and crop the captured image. Check this link to another crop image example. http://www.coderzheaven.com/2011/03/15/crop-an-image-in-android/ This is the layout xml. activity_main.xml Now this is the Main Java File that implements the crop functionality. Here we are using the “com.android.camera.action.CROP” Intent to crop the Image passing the captured Image URI to… Read More »

How to load a spinner with values from SQlite Database in android?

Here is a simple example showing how to load a database values in a spinner in android. OK we will start. This is the layout for the spinner row. spinner_row.xml This is the layout for the interface. activity_main.xml Now this is the MainActivity.java file that uses the spinner and the database. Join the Forum discussion on this post… Read More »

How to create a Slide from Left animation while deleting a row from a ListView in Android?

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 the main.xml main.xml… Read More »

How to make a http call repeatedly from a service in android?

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. OK We will… Read More »

How to get Notified when a widget is deleted?

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. we have to… Read More »

How to create CustomProgressBar in android – Part 3?

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 third method. Here… Read More »

Custom progressbar in android with text – part 3

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 a new java… Read More »

How to build a custom progressBar in android- Part 2?

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 a fresh project… Read More »

How to change the hint text color in android?

Hello all.. This simple example will show you how to change the hint text color in android Here is the java code to simply do this. here is a sample project to view the difference. This is the contents of the main java file. The main.xml file Here I am setting a read color to the second edittext… Read More »

Switch Images in ANDROID.

Hi all …….. Ofter we have trouble with loading continous images in ANDROID from our application directory. The reason is that all resources have a unique resource ID which we need to get to load these resources. The following example shows how to get these unique identifier from the “path” of the resource. For example Here I have… Read More »

Uploading audio, video or image files from Android to server

Hello everyone, Check out the popular posts from Coderzheaven.com Uploading and Downloading of files – Popular and Useful posts from CoderzHeaven In one of the previous posts I have shown one method to upload an image in android. Here is another method to upload a media file like images,audio or video in android. Here is the main java… Read More »

Show Alert in cocos2D Android.

Here is a simple example showing alert in android cocos2D. For this I am using an example from my previous android cocos2D tutorial.. So please read that tutorial before reading this because the I am using the classes and files from it. I am only changing the Gamelayer.java file to show an Alert Dialog when the sprite move… Read More »

Changing the style or theme of default alertDialog in Android.

Hello everyone, Here is a simple example showing how to change the theme of default AlertDialog in android. Check this post before for understanding how to use styles. http://www.coderzheaven.com/2012/04/17/inherit-styles-extend-styles-android/ To start first create a fresh project named AlertTest. In the AlertTestDemo.java file copy this code Now create a file named “styles.xml” inside the res/values folder and copy this… Read More »

Saving TextFile to SDCARD in android?

Hello android lovers, In today’s tutorial I will show you how to 1. Create a text file and save a textfile in your SDCARD in your preferred path. 2. Read the contents from the same file and show it in a TextView. For writing a file we use the FileWriter class and for reading the textfile we use… Read More »

Single Selection ListView in android

Hello all….. In today’s post I will show you how to create a single selection list in android. Here is the main.xml Now this line in the java file creates the single choice. setListAdapter(new ArrayAdapter(this, android.R.layout.simple_list_item_single_choice, android.R.id.text1, names)); Now this is the full java code

Image transition animation in Android

Hello all… I have shown a lot of examples of animations in android. Today I will show you how to show an image transition animation between two images. For that you have to create an xml named “expand_collapse.xml” inside the res/drawable folder. The contents of “expand_collapse.xml” are Now in the main.xml place an imageView to show the transition… Read More »

How to create a custom layout for your camera in Android?

Hello everyone, Today’s example shows how to create a custom layout for your camera preview, that is if you want a custom layout while your camera is opening. This example helps you to achieve this. First create a fresh project and name it CameraCustomLayout and copy this code to CameraCustomLayout.java file. After that create an xml file named… Read More »

Parsing an XML from Online in Android

In the previous example I showed how to parse an xml that is stored in a file in res/xml folder. In this post I will show you how to parse an xml that is stored in a server in an xml file. Here I am using an xml that is stored in here Here is the java code… Read More »

How to show a sliding window from below in Android?

Hello everyone, I have already showed you how to use a SlidingViewer to create a slidingWindow. Today I will show another way to create such a window with the help of animation. 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… Read More »

How to change the default transition between activities?

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 Now the main… Read More »

How to create a custom ListView in android?

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. First the Model.java… Read More »