Chapter 3 – Android App Manifest

Chapter 3 – Android App Manifest

Every application must have an AndroidManifest.xml file (with precisely that name) in its root directory. The manifest file provides essential information about your app to the Android system, which the system must have before it can run any of the app’s code....
Chapter 2.8 – More Resource Types

Chapter 2.8 – More Resource Types

This page defines more types of resources you can externalize, including: Bool XML resource that carries a boolean value. Color XML resource that carries a color value (a hexadecimal color). Dimension XML resource that carries a dimension value (with a unit of...
Chapter 2.7 – Style Resource

Chapter 2.7 – Style Resource

A style resource defines the format and look for a UI. A style can be applied to an individual View (from within a layout file) or to an entire Activity or application (from within the manifest file). For more information about creating and applying styles, please...
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Chapter 2.6 – String Resources

Chapter 2.6 – String Resources

A string resource provides text strings for your application with optional text styling and formatting. There are three types of resources that can provide your application with strings: String XML resource that provides a single string. String Array XML resource that...
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Chapter 2.5 – Menu Resource

Chapter 2.5 – Menu Resource

A menu resource defines an application menu (Options Menu, Context Menu, or submenu) that can be inflated with MenuInflater. For a guide to using menus, see the Menus developer guide. FILE LOCATION: res/menu/filename.xml The filename will be used as the resource ID....
Chapter 2.4 – Layout Resource

Chapter 2.4 – Layout Resource

A layout resource defines the architecture for the UI in an Activity or a component of a UI. FILE LOCATION: res/layout/filename.xml The filename will be used as the resource ID. COMPILED RESOURCE DATATYPE: Resource pointer to a View (or subclass) resource. RESOURCE...
Chapter 2.3 – Drawable Resources

Chapter 2.3 – Drawable Resources

A drawable resource is a general concept for a graphic that can be drawn to the screen and which you can retrieve with APIs such as getDrawable(int) or apply to another XML resource with attributes such as android:drawable and android:icon. There are several different...
Chapter 2.2 – Color State List Resource

Chapter 2.2 – Color State List Resource

A ColorStateList is an object you can define in XML that you can apply as a color, but will actually change colors, depending on the state of the View object to which it is applied. For example, a Button widget can exist in one of several different states (pressed,...
Chapter 2.1 – Animation Resources

Chapter 2.1 – Animation Resources

An animation resource can define one of two types of animations: Property Animation Creates an animation by modifying an object’s property values over a set period of time with an Animator. View Animation There are two types of animations that you can do with...
Android Buttons

Android Buttons

Android buttons consists of text or an icon (or both text and an icon) that communicates what action occurs when the user touches it. Depending on whether you want a button with text, an icon, or both, you can create the button in your layout in three ways: With text,...
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