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• How to display a text vertically or rotate a TextView in layout XML file?

• Down: (90)

• Top: (-90)

• Inject Textview1:

android:rotation="90"
AND...
android:rotation="-90"

OR...

• onCreate add source directly:

textview1.setRotation((float)(90));
AND...
textview1.setRotation((float)(-90));

OR...

textview1.setRotation(90);
AND...
textview1.setRotation(-90);