With this android library you are able to display DIFF in a TextView.
'com.github.alorma:diff-textview:1.1.0'
<dependency>
<groupId>com.github.alorma</groupId>
<artifactId>diff-textview</artifactId>
<version>1.1.0</version>
</dependency>
<dependency org="com.github.alorma" name="diff-textview" rev="1.1.0"/>
"com.github.alorma", "diff-textview", "1.1.0"