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I am changing the image matrix (zooming and dragging) and calling imageview.setImageMatrix(matrix) but the image won’t change.
I didn’t forget to set:
android:scaleType=”matrix”
in the xml file.
I checked the Log and the touch events are intercepted correctly + the matrix itself is calculated correctly.
but still… no effect on the image on screen….
Did anyone encounter this strange behavior?
This post might help you Why does ImageView.setImageMatrix() not work?
and remember (from doc) Matrix does not have a constructor, so it must be explicitly initialized using either reset() – to construct an identity matrix, or one of the set..() functions (e.g. setTranslate, setRotate, etc.).