如何在 Android Studio 代码编辑器中设置最大行长? [英] How to set max line length in Android Studio code editor?

问题描述

如何为 Android Studio 的代码编辑器设置最大长度，或者设置自动换行?

在我的 Android Studio 中，无论我在一行中输入多长时间的语句，它都不会自动转到下一行，而是会出现一个水平滚动条.

当我使用 Ctrl+Alt+L (

打开保存的 xml 文件.

查找 标签(或创建)

手动添加 WRAP_LONG_LINES 设置:

...<选项名称=WRAP_LONG_LINES"值=真"/></codeStyleSettings>

保存编辑并导回方案.

给你！

How can I set a maximum length for Android Studio's code editor, or may be set a word wrap?

In my Android Studio, no matter how long a statement I type on a single line, it never automatically goes to the next line, but rather a horizontal scroll bar appears.

When I autoformat using the Ctrl+Alt+L (reference), nothing happens.

My SO or Google search found a lot of material on this for Eclipse, but not for Android Studio.

解决方案

If you need not a soft wrap,
but actually, brake one long line onto several lines you need:

Go to Preferences(mac) or Settings(windows) -> Editor -> Code style -> Java/Kotlin -> Wrapping and braces (tab) -> Check "Ensure that right margin is not exceeded"

Now try to reformat your code:
press OPTION (ALT) + CMD + L on your Mac (or CTRL + ALT + L on PC)

Edit 13.02.19

As noted in comments this option seems not available in settings for Kotlin. However, there is a workaround to manually add it.
Here is what it takes to make it work:

1. Export the settings scheme.

2. Open saved xml file.

3. Find <codeStyleSettings language="kotlin"> tag (or create)

4. Add the WRAP_LONG_LINES setting manually:

   <codeStyleSettings language="kotlin">
      ...
      <option name="WRAP_LONG_LINES" value="true" />
   </codeStyleSettings>
   

5. Save edits and and import back the scheme.

6. Here you go!

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