Conventions

In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning. Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "In the previous examples, we used app:srcCompat as opposed to android:src. "

A block of code is set as follows:

public class ExampleUnitTest 
    { 
      @Test 
        public void addition_isCorrect() throws Exception { 
               assertEquals(4, 2 + 2); 
   } 
} 

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

buildTypes { 
release { 
         . . .  
         } 
    } 
    productFlavors { 
        flavorDimensions "partial", "full" 

Any command-line input or output is written as follows:

gradlew clean 

New terms and important words are shown in bold. Words that you see on the screen, for example, in menus or dialog boxes, appear in the text like this: "Besides MakeBuild and Analyze, the Build menu has other useful entries, for example, the Clean Project item, which removes build artifacts from the build directory "

Warnings or important notes appear like this.

Tips and tricks appear like this.