Android studio 2.0: default project structure
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The document outlines the default project structure in Android Studio 2.0, detailing the organization of modules, Gradle scripts, and the components necessary for an Android application to function. It emphasizes the significance of the AndroidManifest.xml file and describes where to place source code, resources, and configurations. Additionally, it covers the role of Gradle for building projects and optimizing code with ProGuard.
Android studio 2.0: default project structure
- 1. Android Studio 2.0: default project structure Created by: Vyara Georgieva
- 2. Android Studio 2.0: default project structure See the mind map visualization
- 3. Android Studio 2.0: default project structure app (module) Gradle scripts (module) Gradle is the official build system for Android Studio. Its configuration is set in the files contained here. The application The application’s specification is defined here
- 4. app (module) manifests java res Stores the app’s manifest file The externalized app’s resources are stored in the different subdirectories of the project’s res directory The app’s source code is placed here
- 5. manifests AndroidManifest.xml The application The AndroidManifest.xml file must be in the root directory of the application. The information presented here is essential. It's a must, in order the app's code to run. Required elements: <manifest> <application> The application Required attributes: xmlns:android -> defines the Android namespace. It must always be set to: "http://schemas.a ndroid.com/apk/re s/android" package -> the unique package name for the application. One the app published, the package name cannot be changed. Theapplication The app's components are defined here. By default, some attributes (icon, label, theme) are set to default values <activity> The application Each of the app's activities must be described in the manifest via a separate <activity> element. Otherwise they would not be run.
- 6. java main project directory androidTest test The application The source code for the whole application is contained here. The content of this module is to be built into .apk file and installed on a device. MainActivity ApplicationTest ExampleUnitTest Testing modulesThe applicationJUnit tests inserted here
- 7. resdrawable layout mipmap values Here are stored resources "that can be drawn" (.jpg, .png, . 9.png, .gif) or XML files that can be compiled into a drawable resource subtype) Stores drawable files for different launcher icon densities. The launcher icon reference in the AndroidManifest.xml should be altered as well: android:icon="@mipmap/ ic_launcher" The XML files from here are compiled into screen layouts. Different layouts could be provided for different densities External resources for the application’s elements
- 8. valuescolors.xml dimens.xml strings.xml styles.xml A set list of colors provided. The color is specified with an RGB value and optional alpha channel. <color name="red"> #ff0000</color> Defines different customization based on the physical device density of the screen The text strings for the application are stored here. <string name="app_name ">Test</string> Here we specify the format and the look for the user interface (UI). The styles can be differently applied to: 1) Views 2) Activities 3) The application itself dimens.xml dimens.xml (w820dp)
- 9. Gradle scripts (module) build.gradle (project) build.gradle (module) settings.gradle gradle. properties proguard-rules.pro local. properties This is the top-level build file. The version for the G radle plugin for android is specified here. classpath 'com .android.tools. build:gradle:2.0.0' Each m odule has a separate build.gradle file with pre-defined values/settings ProGuard is a free Java class file that shrinks, optimizes, obfuscates, and preverifies. It detects and removes unused classes, fields, methods, and attributes. It optimizes bytecode and removes unused instructions. Specifies the directory where the SDK is located Includes the modules the application consists of
- 10. Android Studio 2.0: default project structure Vyara Georgieva [email protected]