Android onTouch or onClick

 The decision to use either onTouch or onClick in an Android application depends on the specific requirements of the application and the behavior that the developer is trying to achieve.

onClick is called when the user taps a view, and is similar to a button press in a traditional desktop interface. onClick provides simple click detection, but it doesn't allow for more complex gestures like swipes and pinches.

onTouch, on the other hand, provides more detailed information about the touch event and can detect complex gestures like swipes and pinches. onTouch gives you a MotionEvent which contains information about the touch event, including the position of the touch, the time of the touch, and the action that occurred.

If you need to detect simple click events, then onClick is sufficient. However, if you need to detect more complex gestures, like swipes and pinches, then onTouchis a better choice.

Also, you can use both onTouch and onClick together if necessary. For example, you can use onTouch to detect swipes and onClick to detect simple clicks.