About textAlignment

The left wants to set it to display text in EditText, but it looks like this property is not,

Who to talk about this property is the document to see what to do ... did not understand.<-! Main posts under Banner (D4) -><-! Posts under the main text (D5) ->
Reply:
Is used to set the text alignment.
Feeling should set this property to the parent EditText View.
Reply:
I tried it useless. EditText or use android: gravity = "top | left" did not rely on the upper left corner.
android: Advantage textAlignment may be valid for all View, but seemingly compatible in order to better display text from right to left, such as Hebrew, Arabic, Persian.
Android 4.2 native support for right-to-left text alignment format
Reply:
Should be is upstairs that android: gravity = "top | left", the landlord try