创建项目Secret Message

strings.xml

<resources>
    <string name="app_name">Secret Message</string>
    <string name="welcome_text">Welcome to the Secret Message app!
        Use this app to encrypt a secret message.
        Click on the Start button to begin.</string>
    <string name="start">Start</string>
    <string name="message_hint">Please enter your secret message</string>
    <string name="next">Next</string>
    <string name="encrypt_text">Here is your encrypted message:</string>
    <!-- TODO: Remove or change this placeholder text -->
    <string name="hello_blank_fragment">Hello blank fragment</string>
</resources>

为项目添加名为WelcomeFragment的片段

IDEA菜单栏“New” -> “Fragment” -> “Fragment(Blank)”