What Text Selection Control is this?

I want to implement the same nature type of control on text selection on a Activity with various text fields. Any ideas of implementing the behavior shown in Picture

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What is select text?

In Word, you can select all text in a document (Ctrl+A), or select specific text or items in a table by using the mouse or keyboard. You can also select text or items that are in different places.

What are the various methods for selecting the text in a document give steps to select a paragraph?

Line of text: For selecting a line of text, place your cursor at the start of the line and then press “Shift + down arrow”. Paragraph: For selecting a whole paragraph, place your cursor at the start of the paragraph and then press “Ctrl + Shift + down arrow”.

Refer this from the Android 2.3 Documentation:

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