What is ButterKnife? Its a kind of view injection in Activities or Fragments using Annotations. Butterknife can be used to 1. Bind Views 2. Bind Clicks 3. Can be used with resources like strings, colors, Dimens, Drawables etc. Below are the annotations available AnnotationDescription @BindView Binds view object. TextView, Button, Spinner or any view object… Read More »
Material Design has changed the way users interact with the apps. Reveal is a new animation introduced in Android L that animates the view’s clipping boundaries. Reveal animations provide users visual continuity when you show or hide a group of UI elements. This animation is often times used in conjunction with a floating action button.… Read More »
Snackbar is a UI element used for user feedback, just like a Toast except they provide action to interact with. Snackbar will be displayed at the bottom of the screen and can be swiped off in order to dismiss them. Floating Button sits on the top of your layout and provides a way for a… Read More »
Hello all… In today’s post I will show you how to store an image in an SQLite database and retrieve it. First I will just create a Database Helper Class for adding and reading from the Database. Our Database contains only one table “Images” with two columns “id” and “image”. Note : If you want… Read More »
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… Read More »
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.
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 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 »
In the last few posts I have showed some examples of how to work with Google maps. In this post I will show you how to add a marker in our desired position in the map. Adding something on top of a map is called overlay. Here we will create a class to add an… Read More »
This is a simple example showing how to load a webpage and show a progressBar while the page is loading in android. For that you have to set a chrome client for the webview which implements “onProgressChanged” Here is the layout file. Here is the java file
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 »
Hi all……. All of you may be familiar with TextViews in ANDROID. But how many of you know that we have have html as text in a textView. This post is a simple example to show this. Create a fresh project and copy this code to the main java file. The main.xml The AndroidManifest.xml file
This is a simple example that shows how many bytes are free in your SDCard. Inorder to run this example, you have to create an SDCard and start the emulator with the SDCard. Now create a fresh project and name it “FreeSpaceActivity.java” and copy the following code to it. The main.xml file AndroidManifest file Please… Read More »
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 »
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
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 »