Testing various ways to put line breaks in Android XML resources

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/text"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:text="Hello World!"
    android:textSize="48sp"
    tools:context=".MainActivity" />

MainActivity.kt

private const val TAG = "MainActivity"

class MainActivity : AppCompatActivity(R.layout.activity_main) {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        getString(R.string.str10).let {
            Log.i(TAG, "str '${it.replace("\n", "\\n")}', raw '$it'")
            findViewById<TextView>(R.id.text).apply {
                text = it
                paintFlags = paintFlags or Paint.UNDERLINE_TEXT_FLAG
            }
        }
    }
}

strings.xml

<resources>

<!-- produces 'A B C' -->
<string name="str1">
A
B
C
</string>

<!-- produces 'A B C' -->
<string name="str2" formatted="true">
A
B
C
</string>

<!-- produces 'A B C' -->
<string name="str3" formatted="false">
A
B
C
</string>

<!-- produces 'A B C' -->
<string name="str4"><![CDATA[
A
B
C
]]></string>

<!-- produces 'A B C' -->
<string name="str5" formatted="true"><![CDATA[
A
B
C
]]></string>

<!-- produces 'A B C' -->
<string name="str6" formatted="false"><![CDATA[
A
B
C
]]></string>

<!-- produces 'A\n B\n C' -->
<string name="str7">
A\n
B\n
C
</string>

<!-- produces 'A \nB \nC' -->
<string name="str8">
A
\nB
\nC
</string>

<!-- produces 'A\n\nB\n\nC\n' -->
<string name="str9">
A\n\
B\n\
C\n\
</string>

<!-- produces 'A\nB\nC' -->
<string name="str10">
A\
B\
C\
</string>

<!-- produces 'A\nB\nC' -->
<string name="str11">
"A
B
C"
</string>

</resources>