Download Android Studio Essentials by Belen Cruz Zapata PDF

By Belen Cruz Zapata

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Both are also available in the toolbar. Select your project from the project view and navigate to the Settings menu in File. The left-hand-side panel of the Settings dialog displays a section named Project Settings [MyApplication]. Some important options are as follows: • Code Style: This configures the default code style scheme. • Compiler: This configures the Android DX compiler used when building our application. • File Encodings: This changes the file's encoding. The default encoding is UTF-8.

Initially, this main layout contains just a text view with a Hello world! message. To switch between the graphical and the text editor, click on the Design and Text tabs at the bottom of the screen, as shown in this screenshot: Toolbar contains some options that can be used to change the layout style and preview. The Toolbar options, which are shown in the following screenshot, are explained throughout the chapter: [ 42 ] Chapter 5 Components Tree displays the components placed in the layout as a hierarchy.

Xml. Android divides into the actual screen sizes small, normal, large, and xlarge: • Small: Screens classified in this category are at least 426 dp x 320 dp • Normal: Screens classified in this category are at least 470 dp x 320 dp • Large: Screens classified in this category are at least 640 dp x 480 dp • Xlarge: Screens classified in this category are at least 960 dp x 720 dp A dp is a density-independent pixel, equivalent to one physical pixel on a 160 dpi screen. 9 percent). To display multiple device configurations at the same time, click on the Configuration to render this layout with inside the IDE option in the toolbar and select the Preview All Screen Sizes option, or click on the Preview Representative Sample option to open only the most important screen sizes, as shown in the following screenshot.

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