Android phone development control TextView text centered

There are 2 ways to set the TextView text to center:

1: Settings in xml file: Android:gravity="center"

2: Set in the program: ();

Set the control to center:

android:layout_gravity="center" is to center the textview control in the entire layout, and you can also call android:gravity="center" in its parent layout.

The parent layout of the control it is also required in the program, for example:

 layoutParams= 
  new (.WRAP_CONTENT, .WRAP_CONTENT); 
(RelativeLayout.CENTER_IN_PARENT); 
(layoutParams); 

In fact, it is easy to understand. The appearance of "layout" is the operation of the control on the entire layout.

Note: Set vertical centering, you can set it in XML

Android:gravity="center_vertical"