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Creating and Using Menus and Introducing the Android Menu System
Menus offer a way to expose application functions without sacrificing valuable screen space. Each Activity can specify its own Activity menu that’s displayed when the device’s menu button is pressed. .. Read more
3 months ago
34 Views
Handling User Interaction Events and Creating a Compass View Example and Using Custom Controls and how to draw a marker
Handling User Interaction Events To make your new widget interactive, it will need to respond to user events like key presses, screen touches, and button clicks. Android exposes several virtual event.. Read more
3 months ago
47 Views
Creating Custom Widgets and Controls and a New Visual Interface with the new paint brushes
Creating completely new Views gives you the power to fundamentally shape the way your applica-tions look and feel. By creating your own controls, you can create User Interfaces that are uniquely suite.. Read more
3 months ago
46 Views
The way you can Structure Compound Controls in android Studio
Compound controls are atomic, reusable widgets that contain multiple child controls laid out and wired together. When you create a compound control, you define the layout, appearance, and interaction.. Read more
3 months ago
43 Views
How you can Customizing Your To-Do List in android development Studio
The To-Do List example from Chapter 2 uses TextViews (within a List View) to display each item. You can customize the appearance of the list by creating a new extension of the Text View, overriding th.. Read more
3 months ago
58 Views
Introduction on how to create android Layouts
**Introducing Layouts** Layout Managers (more generally, “layouts”) are extensions of the ViewGroup class designed to control the position of child controls on a screen. Layouts can be nested, lettin.. Read more
3 months ago
40 Views
A Closer Look at Android Activities
To create user-interface screens for your applications, you extend the Activity class, using Views to provide user interaction. Each Activity represents a screen (similar to the concept of a Form in .. Read more
3 months ago
79 Views
Fundamental Android UI Design
Creating User Interfaces It’s vital to create compelling and intuitive User Interfaces for your applications. Ensuring that they are as stylish and easy to use as they are functional should be a prim.. Read more
3 months ago
50 Views
Understanding Android Applications Activity Lifetimes
Within an Activity’s full lifetime, between creation and destruction, it will go through one or more iterations of the active and visible lifetimes. Each transition will trigger the method handlers de.. Read more
3 months ago
62 Views
Creating Resources for Different Languages and Hardware and Runtime Confi guration Changesin android
One of the most powerful reasons to externalize your resources is Android’s dynamic resource selec-tion mechanism. Using the structure described below, you can create different resource values for sp.. Read more
4 months ago
78 Views
Referring to Styles in the Current Theme and how To-Do List Resources
Themes are an excellent way to ensure consistency for your application’s UI. Rather than fully define each style, Android provides a shortcut to let you use styles from the currently applied theme. T.. Read more
4 months ago
65 Views
How to create Using Resources in Code, Using System Resources, Referencing Resources in Resources in android Studio
Using Resources --------------- As well as the resources you create, Android supplies several system resources that you can use in your applications. The resources can be used directly from your appl.. Read more
4 months ago
81 Views
Creating Resources Simple Value, strings, Colours, Dimensions, Styles and Themes, Drawables, Layouts, Animations
Application resources are stored under the res/ folder of your project hierarchy. In this folder, each of the available resource types can have a subfolder containing its resources. If you start a pr.. Read more
4 months ago
80 Views
The Android Application Life Cycle and Understanding Application Priority and Process States
Unlike most traditional environments, Android applications have no control over their own life cycles. Instead, application components must listen for changes in the application state and react accord.. Read more
4 months ago
65 Views
Introducing the Application Manifest
Each Android project includes a manifest file, AndroidManifest.xml, stored in the root of the proj-ect hierarchy. The manifest lets you define the structure and metadata of your application and its co.. Read more
4 months ago
69 Views
Introducing the Android Application Manifest
Each Android project includes a manifest file, AndroidManifest.xml, stored in the root of the proj-ect hierarchy. The manifest lets you define the structure and metadata of your application and its co.. Read more
4 months ago
62 Views
What Makes an Android Application?
Android applications consist of loosely coupled components, bound using a project manifest that describes each component and how they interact. There are six components that provide the building bloc.. Read more
4 months ago
68 Views
Creating Applications and Activities
Before you start writing Android applications, it’s important to understand how they’re con-structed and have an understanding of the Android application life cycle. In this chapter, you’ll be introdu.. Read more
4 months ago
78 Views
Android Development Tools with the Emulator
The Android SDK includes several tools and utilities to help you create, test, and debug your projects. A detailed examination of each developer tool is outside the scope of this book, but it’s worth .. Read more
4 months ago
70 Views
Developing Secure Applications and Ensuring a Seamless User Experience
Android applications have direct hardware access, can be distributed independently, and are built on an open source platform featuring open communication, so it’s not particularly surprising that secu.. Read more
4 months ago
64 Views