How to rotate the image with two fingers and zoom in/out with pinch gesture in android?

Question

Please provide any useful tutorial to handle image with multi-touch user interface

to handle image rotation zoom in/out.

I have already find out something but not so satisfactory.

score 1 · Accepted Answer · answered Jun 01 '11 at 14:12

1

I found this tutorial very useful, it does ZOOM & TRANSLATION but not ROTATE How to use MulltiTouch in Android I suspect you would have to calculate the ACTION_POINTER rotation when it moves & apply the same rotation to the transformation matrix.

answered Jun 01 '11 at 14:12

daveD

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i had performed zoom in/out but for rotating image http://stackoverflow.com/questions/5894736/rotate-zoom-drag-image-in-android-imageview but this is of no use....i didn't get how to calculate ACTION_POINTER could you please elaborate a bit :) – ManjotSingh Jun 02 '11 at 09:54

score 1 · Answer 2 · answered Jun 01 '11 at 14:13

1

This guy has a 6 article blog about how to implement some form of pinch zoom in Android.

answered Jun 01 '11 at 14:13

nicholas.hauschild

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How to rotate the image with two fingers and zoom in/out with pinch gesture in android?

2 Answers2