In mobile application development each and every small information cannot be stored in a database, as complex database queries can limit the processing power of the processor affecting the battery life. Android provides a simple mechanism called “Shared Preferences” using which small and vital information like user preferences and others can be stored . Android data storage …
How to create AlertDialog box in Android?
This tutorial explains you how to create a simple AlertDialog box and how to deal with those dialogs. Dialog is a small window which takes a small part in your screen. It is majorly used to react to user driven events. Dialogs are always part of your activity. It gets the focus unless the user closes …
How to create a Toast message in Android?
A Toast in android is a transient notification that needs no user interaction. It disappears after a certain time period. It notifies user that something has happened.The current activity remains visible even when the toast message pops up. You can always make a toast to display messages of your choice. Android toast can display, simple …
How to switch from one activity to another in Android?
This tutorial explains you about how to Navigate from one activity to another in Android. I Presume you have enough basic knowledge about how to create a sample application in android and How to add a new Activity to an already created sample app. Let us now discuss how we can make two activities talk to each other. Step 1: Create …
How to transfer data between Activities in Android?
In Mobile app development you will come across many situations wherein you will have to send data from one activity to another. It is one of the most challenging part in the mobile application development. This tutorial describes how you can transfer data between activities in Android application. In this sample app I will be …
How to create a Layout xml file in Android?
As we have discussed in one of our previous posts Layouts in android layouts are the containers that hold the components of UI that you want to display in your application. When you compile your application,each xml layout file is compiled into a View resource. This tutorial describes how you can add a layout file to a newly …
How to create a new activity in Android?
In order to develop a mobile application which has many windows we need to create an activity for each window which extends activity class. When you create a simple helloworld application the first activity will be automatically created. You might be thinking how to add a new activity to your already developed helloworld application. In This …
How to Debug an Android application with LogCat?
This tutorial explains you how to debug a simple helloworld application with LogCat. In my previous post i have explained you about how to create a helloworld application. Let us now discuss how to debug that application with LogCat. Unlike Java, Android doesn’t display its runtime exceptions in its console. It displays it using its LogCat. …