Now update your Activity code as follows, using appropriate names for your project: public class ImageChangingActivity extends Activity In the code above we created a LinearLayout and added an ImageView to display an image and a button which will rotate the images in the imageView.Īdd some images to the resource folder depending on the screen sizes you are planning to support as shown below: Then open the layout file and add the ImageView and a button as shown below: You can find the code for this section on GitHub.Ĭreate a basic Android project with an Activity that sets the main view from a layout file and does nothing else. Let’s start by creating a program that will use an ImageView to display some images and a button which when clicked will change the image in the ImageView. Reuse resource and code across source sets.To render images Android provides us with the ImageView class. ![]() We can create multiple APKs from our app, with different features using the same project and modules.Configure, customize, and extend the build process.We can use build features for the following purpose: This build system runs independently from the command line and integrated tool from the Android Studio menu. It uses more Android-specific capabilities provided by the Android plugin for Gradle. Gradle build used as the foundation of the build system in Android Studio. The below table provides the list of shortcuts for the most common windows. We can use keyboard shortcuts to open tool windows. We can also use keyboard shortcuts to access most of the IDE features. We are willing to organize the main window to give ourselves more screen space by moving or hiding toolbars and tool windows. The status bar displays the status of our project and IDE itself, as well as any messages or warnings.The tool windows provide us access specific tasks like search, project management, version control, and more.The tool window bar runs around the outside the IDE window and contains buttons that allow as to expand and collapse individual tool windows.While viewing a layout file, the editor displays the Layout Editor. On the basis of the current file type, the editor can change. The editor window is a space where we can create and modify our code.It gives a compact view of structure visible in the Project window. The navigation bar helps in navigating our project and open files for editing.The toolbar provides us a wide range of actions, which includes running apps and launching Android tools.The Android Studio main window contains the several logical areas which are shown in the below figure: We will see the actual file structure of the project by selecting the Project from the Project dropdown. res: It contains all non-code resources, UI strings, XML layouts, and bitmap images.java: It contains the source code of Java files, including the JUnit test code.manifests: It contains the AndroidManifest.xml file.And the app module contains the following folders: These build files are visible to the top-level under Gradle Scripts. This view is formed by modules to provide quick access to our project's key source files. These include different types of modules-īy default, Android Studio displays our project files in the Android project view, as shown in the above image. The Android Studio project contains one or more modules with resource files and source code files. It makes it easy to integrate Google Cloud Messaging and App Engine. ![]()
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