Tag Archives: Public Void

How to get information about all the applications installed in your ANDROID Emulator or Phone? / How to use getPackageManager() in ANDROID ?

By | April 3, 2011
11 Comments

Hi all, In this tutorial I will show you how to get the information about all the applications installed in your ANDROID phone. What you have to do is create a ANDROID project inside the package pack.GetAllInstalledApplications amd name the java file “GetAllInstalledApplicationsExample.java” and copy the following code into it. Here the “getPackageManager().getInstalledPackages(0);” gets information… Read More »

Using Gestures in ANDROID,A Simple example.

By | March 29, 2011
1 Comment

This is a really simple example illustrating gestures in ANDROID. You Know that everything you do with your hand inside the phone is a gesture like SingleTap, doubleTap etc. Here is a quick illustration of this. For this the activity must implement OnGestureListener. The GestureDetector detects the gestures. Let’s look at the example. The layout… Read More »

How to open browser in an ANDROID application? How to open a URL from an ANDROID application?

By | March 28, 2011
3 Comments

Hi all,In this tutorial I will show you how to open browser from an ANDROID application. This is done through intents. You know that intents are used to invoke other activities. So we here invoke the browser activity. The following code will open the default browser in your ANDROID phone. This is the manifest file… Read More »

How to create OptionsMenu in ANDROID?, a simple example……

By | March 16, 2011
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This is a simple example of creating options Menu in ANDROID. This menu can be seen by clicking on the “Menu Button” in ANDROID. Check out this example. The main.xml for the above code is

Context menu in android

By | March 16, 2011
1 Comment

What is context menu? Where it is used? How it is used? I will cover all these questions… Context Menu A context menu is conceptually similar to the menu displayed when the user performs a “right-click” on a PC. You should use a context menu to provide the user access to actions that pertain to… Read More »

Crop an Image in ANDROID.

By | March 15, 2011
17 Comments

Cropping an image in ANDROID programmatically has always been a problem for ANDROID developers. So Here I am putting a sample code to demonstrate this. For cropping an image in ANDROID we need a source bitmap which is our image itself, the other one is the target bitmap which we have to set the size… Read More »

How to create a scrolling ListView in android?

By | March 12, 2011
2 Comments

ListView is like a tableView in iPhone or iOS . In this example i will show you how to add a String Array in to the ListView and also make the listView Scrollable. First the xml file . Here the line android:scrollbars=”vertical” will make the scrolling vertically Now the java file The screen will be… Read More »

Using GridView in ANDROID….

By | March 9, 2011
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GridViews are those in which you can arrange elements in a two dimensional grid. It is what you see in the gallery where images are arranged. Here images are arranged in a two dimensional grid. Copy the below code and save it as “MyGridView.java” Now create another file named “Images.java” and copy the below code… Read More »

Working with SQLite Database in ANDROID.

By | February 14, 2011
7 Comments

Below is a straight forward example of how to deal with SQLite database in ANDROID. Go ahead and copy and paste the following code to your java file. The example has one database and performs functions like insert delete and listing of values in a textView. In the XML file set up a TableLayout with… Read More »

Dynamically Load images in ANDROID? OR Load image in ANDROID using a string path.

By | February 11, 2011
4 Comments

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 »

Custom Toasts in ANDROID.

By | October 5, 2010
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First, just show an image inside a toast: This method just displays a text toast: And this method displays a Toast that contains both an image and text:

Play Video using VideoView in ANDROID.

By | September 19, 2010
15 Comments

Playing a video file is simple in android. This post will help you. Put your video in res/raw folder. If no raw folder present then create a new folder inside res. The main. xml file. Please leave your comments if this post was useful.