Found 2041 Articles for Mobile Development

Introduction Many times in android applications we come across a scenario where we have to play a notification sound to be played in the user's mobile device even when the device is in silent mode. In this article we will take a look at How to play a sound even when an Android phone is in silent mode. Implementation We will be creating a simple application in which we will be displaying a simple text view for displaying the heading of our application. After that we will be creating a button which we will be using to play the notification ... Read More

Introduction Android phones are designed with a wide range of features and capabilities, including a Power button that allows users to turn the device on and off. While the basic function of the Power button is to turn the device on and off, Android developers can actually use the button to trigger custom functions. This can be done by “hooking” a function to the Power button, which will allow the function to be triggered anytime the Power button is pressed. In this article we will take a look on How to hook a function into Power Button in an Android ... Read More

Introduction Handling a TransactionTooLargeException in Android is a common issue that most developers have encountered. The exception usually occurs when an app is trying to send or receive a large chunk of data, which exceeds the maximum size limit of the Android operating system. If the size of the data exceeds 1MB, the TransactionTooLargeException will be thrown and the app will crash. In this article, we will discuss how to handle the TransactionTooLargeException in Android. We will discuss some of the best practices that developers should follow to prevent the exception from occurring, as well as how to handle the ... Read More

Introduction There are many softwares present in the market which are used for developing mobile applications such as VS Code, Intellij IDE, Android Studio and many more. Android Studio is an official integrated development environment (IDE) designed to help developers create and develop apps for the Android platform. It is a powerful tool that allows developers to create and manage projects, build apps quickly and efficiently, and debug code. Android Studio provides so many features for developing android applications such as debugging of the applications, checking our memory leaks, monitoring app performance and many more. Along with this Android studio ... Read More

Introduction Android platform uses a virtual machine which is known as Dalvik VM which is used to execute the android application code. Dalvik VM executes the code in a format called DEX (Dalvik Executable). DEX files are the compiled version of Android application code written in Java. DEX files are a form of bytecode and can be decompiled into the corresponding Java source code.When we build a project in android studio to generate the APK. The compiler will firstly convert the code to dex and then this generated dex is then converted to the APK. This APK can be installed ... Read More

Introduction Many times in android applications we use to display so many different types of activities. These activities are used in android applications for performing the different tasks. When we are navigating from one activity to another activity, the previous activity from which we have navigated remains in the stack, which will take system memory and may degrade the performance of the application. To prevent this we have to clear the activity history stack of an android application. In this article we will take a look on How to clear the back stack in Android. Implementation We will be creating ... Read More

What is Alert Dialog in Android? Alert dialogs in android are used to display alerts within android applications. We can display alert dialog within our application to display any warning message to the user. Inside the alert dialog we can provide two options to the users whether to select as yes or no in the dialog. In this article we will take a look on How to change the theme for default Alert Dialog in Android. Implementation We will be creating a simple application in which we will be displaying a simple text view for displaying the heading of our ... Read More

What is the Progress Bar in Android? Progress Bar is a widget in android which is used to indicate the loading screen within an android application. It is generally displayed when the data is being loaded within an android application from a server. In this article we will take a look on How to change progress bar color in Android. Implementation We will be creating a simple application in which we will be simply displaying a text view for displaying the heading of our application and we will be displaying a progress bar. We will be changing the color of ... Read More

Introduction Many times in android applications a keyboard has popped when the user clicks on any text input field. In some cases we have to restrict users to enter the data into the text input field via a menu. In that case we have to hide the keyboard for that text input field explicitly. In this article we will take a look on How to capture show/hide events for the virtual keyboard within our Android application. Implementation We will be creating a simple application in which we will be displaying a simple text view in which we will be displaying ... Read More

Introduction Many times while building an android application we use open source libraries which are present on github to add certain functionalities within our application. These libraries can be added in our project by simply specifying the dependency and then we can the functionalities of that library within our application. In this article we will take a look on How to add a Library Project to an Android Project. Implementation In this article we will be creating a simple Android Project and inside this project we will be creating a Library Project and using that Library Project within our main ... Read More