This article shows how you can do simple image scaling in Android. Here I have a simple class that Scales the image. The Utility class Layout The layout which shows the image for scaling. Set the above xml as layout for the Activity. Activity Please leave your comments at the end of the post.
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 »
This sample application does that. First create an xml for your notification. custom_notification.xml Now the java code.
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 »
Hi all In this tutorial I will show you how to get an image from your phone gallery and show it in an imageview. Here we use intents to open up the image gallery and get the image URI. Set the image type as “image” to get only the images. on onActivityResult if the result… Read More »
We can create any type of alert in android. Today I will show a simple example showing how to create a custom alert in android. i.e you can provide any layout to your alert dialog. Now we will start. First create an xml for your alert dialog. Here I am creating an xml that contains… Read More »
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… 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.
A series of frames is drawn one after the other at regular intervals. For this create a xml which contains ImageView for showing the animation The main java file is Next the main part, an xml which holds each image and duration in which each image shows. The xml should be placed inside drawable folder… Read More »
In this post, we will have a list whose rows are made up of image, Here we just supply data to the adapter and helping the adapter to create a View objects for each row The output will be For this first create a xml file to hold the listview The next objective is to… Read More »
With the following code you can load images in your drawable folder dynamically by giving the filename as a String. For that you have to use getResources().getIdentifier which has parameters as the “path”,”drawable” and the “package name”. This returns a unique resource ID which can be used to set the image for a ImageView using… Read More »