We do SQLite operations in Android by extending the SQLiteOpenHelper Class. I will create an Employee table with three fields id name company. I have a model class same as the database table Employee. Employee.java Lets see How we can do the CRUD (Create, Read, Update and Delete) Operations. CREATE We create a class that… Read More »
Hello all we all know what are content providers right? Those who are unaware of content providers please visit this link http://developer.android.com/guide/topics/providers/content-providers.html In a breif content Providers are Content providers manage access to a structured set of data. They encapsulate the data, and provide mechanisms for defining data security. Content providers are the standard interface… Read More »
At first we will create a class called “Rotate3dAnimation” which is responsible for the 3D Animation. The Rotate3dAnimation.java looks like this. The Matrix class holds a 3×3 matrix for transforming coordinates. Matrix does not have a constructor, so it must be explicitly initialized using either reset() – to construct an identity matrix, or one of… Read More »
Hello all This is a simple post that shows How to pass an Object from One Activity to another in Android. I am going to pass the following object from One Activity to another. MyObject{ String name; String website; } This is the class that defines the Object. This is the first activity that sends… Read More »
This simple example shows how to pass an ArrayList from one activity to another in Android. This is the first activity on which we are sending the arrayList. MainActivity Now this is the Second activity in which we are receiving the passed arrayList. SecondActivity Please check the Logcat for the Output. Source code You can… 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. Demo Watch Video Tutorial Steps : Ask storage permission from the user if the… Read More »
Many of our application reqiures sending data from one intent to another. This is done by putting data into one intent using putExtras() and getting it in the other intent using the getExtras() which matches the string value. However you can pass string, boolean, integer etc between intents. For passing data between intents you need… Read More »
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… Read More »
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?… 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 »
Hi all.. Most of our visitors had problem with one of our previous post on Android-php connection. So here I am posting another simple example to connect with a php file. Here I am simply putting an echo in the php file which ehoes back the data from the android side. Here are the things… Read More »
Hi all……. In today’s exampl e I will show you how to deal with global variables in ANDROID. You know global variables are those variables that you can access across any variables. It’s value becomes changed when you change it in any of the classes in your project. These types of variables act as like… Read More »
Hi all……. In today’s exampl e I will show you how to deal with global variables in ANDROID. You know global variables are those variables that you can access across any variables. It’s value becomes changed when you change it in any of the classes in your project. These types of variables act as like… Read More »