How to pinch zoom an edittext in android?

Question

Please suggest a way to zoom all the contents of the edittext when a pinch gesture is detected. Want to zoom like typical text editor apps like KingSoft and quickoffice.

Answer 1

It's going to be nasty, but you can subclass EditText.

In your subclass, override onTouch and pass its values to a ScaleGestureDetector. Store the detected scale as a member variable.

Override onDraw, and call canvas.scale() with your scale value prior to calling through to super.onDraw.

This is likely to wreak havoc with the caret and edit controls.